Page 1 I I I F u n c t i o n a l S p e c i f i c a t i o n s...
Page 3 Control Axes III - 1...
Page 4: Table Of Contents
MITSUBISHI CNC III Functional Specifications 1.1 Control Axes The NC axis, spindle, PLC axis and auxiliary axis are generically called the control axis. The NC axis is an axis that can be manually operated, or automatically operated with the machining program.
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M700V Series Specifications Manual 1 Control Axes 1.1.3 Max. Number of Auxiliary Axes (MR-J2-CT) M720VW M730VW M750VW M720VS M730VS M750VS M system L system Auxiliary axis: This can be connected to the channel (SV2) for J2-CT. 1.1.4 Max. Number of PLC Indexing Axes...
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MITSUBISHI CNC III Functional Specifications 1.2 Control Part System 1.2.1 Standard Number of Part Systems M720VW M730VW M750VW M720VS M730VS M750VS M system L system 1.2.2 Max. Number of Part Systems M720VW M730VW M750VW M720VS M730VS M750VS M system ○ 2 ○...
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M700V Series Specifications Manual 1 Control Axes 1.3 Control Axes and Operation Modes 1.3.1 Tape (RS-232C Input) Mode M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○...
Page 8 MITSUBISHI CNC III Functional Specifications 1.3.5 Front IC Card Mode M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ The machining program stored in PCMCIA card can be operated by installing a PCMCIA card on the front of control unit.
Page 9 Input Command III - 7...
Page 10 MITSUBISHI CNC III Functional Specifications 2.1 Data Increment 2.1.1 Least Command Increment The data increment handled in the controller includes the input setting increment and command increment. Each type is set with parameters. (1) The input setting increment indicates the increment handled in the internal processing of the controller.
Page 11 M700V Series Specifications Manual 2 Input Command 2.1.1.3 Least Command Increment 0.01 μm (10nm) (Input Setting Increment 10nm) M720VW M730VW M750VW M720VS M730VS M750VS M system ― △ △ ― △ △ L system ― △ △ ― △ △...
Page 12 MITSUBISHI CNC III Functional Specifications 2.2 Unit System 2.2.1 Inch/Metric Changeover M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ The unit systems of the data handled in the controller include the metric unit system and inch unit system. The unit (inch/mm) for the setting and display, as well as for the handle/incremental feed can be switched with either the parameters or machining program (G20/G21 command).
Page 13 M700V Series Specifications Manual 2 Input Command 2.3 Program Format 2.3.1 Program Format This is G code (program) format. The G-code of lathe system is selected by parameter. This manual explains the G function with G-code list 3 as standard.
Page 14 MITSUBISHI CNC III Functional Specifications 2.4 Command Value 2.4.1 Decimal Point Input I, II M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ There are two types of the decimal point input commands and they can be selected by parameter. (1) Decimal point input type I When axis coordinates and other data are issued in machining program commands, the assignment of the program data can be simplified by using a decimal point.
Page 15 M700V Series Specifications Manual 2 Input Command 2.4.2 Absolute/Incremental Command M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ (1) M system When axis coordinate data is issued in a machining program command, either the incremental...
Page 16 MITSUBISHI CNC III Functional Specifications (2) L system When axis coordinate data is issued in a machining program command, either the incremental command method that commands a relative distance from the current position or the absolute command method that moves to a designated position in a predetermined coordinate system can be selected.
Page 17 M700V Series Specifications Manual 2 Input Command 2.4.3 Diameter/Radius Designation M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ For axis command value, the radius designation or diameter designation can be changed over with parameters.
Page 18 MITSUBISHI CNC III Functional Specifications III - 16...
Page 19 Positioning/Interpolation III - 17...
Page 20 MITSUBISHI CNC III Functional Specifications 3.1 Positioning 3.1.1 Positioning M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function carries out high-speed positioning following the movement command given in a program. G00 Xx1 Yy1 Zz1 ;(Also possible for additional axes A, B, C, U, V, W simultaneously) Xx1, Yy1, Zz1 :Position data...
Page 21 M700V Series Specifications Manual 3 Positioning/Interpolation 3.1.2 Unidirectional Positioning M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― The G60 command always moves the tool to the final position in a direction determined with parameters.
Page 22 MITSUBISHI CNC III Functional Specifications (Example) G60 G91 X100. Y100. ; Y100. The rapid traverse rate for each axis is the value set with parameters as the G00 speed. The vector speed to the interim point is the value produced by combining the distance and respective speeds.
Page 23 M700V Series Specifications Manual 3 Positioning/Interpolation 3.2 Linear/Circular Interpolation 3.2.1 Linear Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Linear interpolation is a function that moves a tool linearly by the movement command value supplied in the program at the cutting feed rate designated by the F code.
Page 24 MITSUBISHI CNC III Functional Specifications 3.2.2 Circular Interpolation (Center/Radius Designation) M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ (1) Circular interpolation with I, J, K commands This function moves a tool along a circular arc on the plane selected by the plane selection G code with movement command supplied in the program.
Page 25 M700V Series Specifications Manual 3 Positioning/Interpolation (2) R-specified circular interpolation Besides the designation of the arc center coordinates using the above-mentioned I, J and K commands, arc commands can also be issued by designating the arc radius directly. G02(G03) Xx1 Yy1 Rr1 Ff1 ; (Also possible for additional axes A, B, C, U, V, W )
Page 26 MITSUBISHI CNC III Functional Specifications 3.2.3 Helical Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ With this function, any two of three axes intersecting orthogonally are made to perform circular interpolation while the third axis performs linear interpolation in synchronization with the arc rotation.
Page 27 M700V Series Specifications Manual 3 Positioning/Interpolation (Example) G91 G17 G02 X0. Y200. Z100. I-100. J100. F120 ; J100 I-100 (a) Command program path (b) XY plane projection path in command program (S) Start point (E) End point (Note 1) Helical shapes are machined by assigning linear commands for one axis which is not a circular interpolation axis using an orthogonal coordinate system.
Page 28 MITSUBISHI CNC III Functional Specifications 3.2.4 Spiral/Conical Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― This function interpolates arcs where the start point and endpoint are not on the circumference of the same circle into spiral shapes.
Page 29 M700V Series Specifications Manual 3 Positioning/Interpolation (Example) G91 G17 G01 X60. F500 ; Y140. ; G2.1 X60. Y0 I100. P1 F300 ; 140. G01 X-120 ; G17 G01 X60. F500; Y140.; X60. G2.1 X120. Y140. I100. P1 F300 ; I 100.
Page 30 MITSUBISHI CNC III Functional Specifications (b) Conical interpolation When an axis other than the ones for the spiral interpolation plane has been designated at the same time, the other axis will also be interpolated in synchronization with the spiral interpolation. G17 G91 G02.1 X100.
Page 31 M700V Series Specifications Manual 3 Positioning/Interpolation 3.2.5 Cylindrical Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function transfers the shape that is on the cylinder's side surface (shape yielded by the cylindrical...
Page 32 MITSUBISHI CNC III Functional Specifications 3.2.6 Polar Coordinate Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function converts the commands programmed by the orthogonal coordinate axes into linear axis movements (tool movements) and rotary axis movements (workpiece rotation) to control the contours.
Page 33 M700V Series Specifications Manual 3 Positioning/Interpolation 3.2.7 Milling Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ When a lathe with linear axes (X, Z axes) and rotary axis (C axis) serving as the control axes is to perform...
Page 34 MITSUBISHI CNC III Functional Specifications 3.2.8 Hypothetical Axis Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― Take one of the axes of the helical interpolation or spiral interpolation, including a linear axis, as a hypothetical axis (axis with no actual movement) and perform pulse distribution.
Page 35 M700V Series Specifications Manual 3 Positioning/Interpolation 3.3 Curve Interpolation 3.3.2 Exponential Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ With this function, the rotary axis movement is changed into exponential functions vis-a-vis the linear axis movements.
Page 36 MITSUBISHI CNC III Functional Specifications [Relationship between linear and rotary axes] - 1 ) X=B e (a) (rotary axis) (b) (linear axis) (c) {B, C = constants} 3.3.3 Spline Interpolation (1st Part System Only) M720VW M730VW M750VW M720VS M730VS M750VS M system △...
Page 37 M700V Series Specifications Manual 3 Positioning/Interpolation 3.3.4 NURBS Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system ― △ △ ― △ △ L system ― ― ― ― ― ― This function realizes NURBS curve machining by commanding NURBS curve parameters (number of stages, weight, knot, control point).
Page 38 MITSUBISHI CNC III Functional Specifications 3.3.5 3-Dimensional Circular Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system ― △ △ ― △ △ L system ― ― ― ― ― ― To issue a circular command over a three-dimensional space, an arbitrary point (intermediate point) must be designated on the arc in addition to the start point (current position) and end point.
Page 39 Feed III - 37...
Page 40 MITSUBISHI CNC III Functional Specifications 4.1 Feed Rate 4.1.1 Rapid Traverse Rate (m/min) M720VW M730VW M750VW M720VS M730VS M750VS M system 1000 1000 1000 1000 1000 1000 L system 1000 1000 1000 1000 1000 1000 [M system] The rapid traverse rate can be set independently for each axis by the parameter. The rapid traverse rate is effective for G00, G27, G28, G29, G30 and G60 commands.
Page 41 M700V Series Specifications Manual 4 Feed 4.1.2 Cutting Feed Rate (m/min) M720VW M730VW M750VW M720VS M730VS M750VS M system 1000 1000 1000 1000 1000 1000 L system 1000 1000 1000 1000 1000 1000 [M system] This function specifies the feed rate of the cutting commands, and a feed amount per spindle rotation or feed amount per minute is commanded.
Page 42 MITSUBISHI CNC III Functional Specifications 4.1.3 Manual Feed Rate (m/min) M720VW M730VW M750VW M720VS M730VS M750VS M system 1000 1000 1000 1000 1000 1000 L system 1000 1000 1000 1000 1000 1000 The manual feed rates are designated as the feed rate in the jog mode or incremental feed mode for manual operation and the feed rate during dry run ON for automatic operation.
Page 43 M700V Series Specifications Manual 4 Feed 4.2 Feed Rate Input Methods 4.2.1 Feed per Minute (Asynchronous Feed) M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ [M system] By issuing the G94 command, the commands from that block are issued directly by the numerical value following F as the feed rate per minute (mm/min, inch/min).
Page 44 MITSUBISHI CNC III Functional Specifications [L system] By issuing the G94 command, the commands from that block are issued directly by the numerical value following F as the feed rate per minute (mm/min, inch/min). Metric input Input B(0.001mm) C(0.0001mm) D(0.00001mm) E(0.000001mm) Setting unit Command...
Page 45 M700V Series Specifications Manual 4 Feed 4.2.2 Feed per Revolution (Synchronous Feed) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ○ ○ ○ ○ ○ ○ By issuing the G95 command, the commands from that block are issued directly by the numerical value following F as the feed rate per spindle revolution (mm/revolution or inch/revolution).
Page 46 MITSUBISHI CNC III Functional Specifications [L system] Metric input Input B(0.001mm) C(0.0001mm) D(0.00001mm) E(0.000001mm) Setting unit Command Feed per revolution Feed per revolution Feed per revolution Feed per revolution Mode Command F(mm/rev) F(mm/rev) F(mm/rev) F(mm/rev) Address Minimum 1(=0.0001) 1(=0.00001) 1(=0.000001) 1(=0.0000001) command (1.=1.00)
Page 47 M700V Series Specifications Manual 4 Feed 4.2.3 Inverse Time Feed M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― During inside cutting when machining curved shapes with tool radius compensation applied, the machining speed on the cutting surface becomes faster than the tool center feedrate.
Page 48 MITSUBISHI CNC III Functional Specifications 4.2.4 F 1-digit Feed M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The feed rate registered by parameter can be assigned by designating a single digit following address F. There are six F codes: F0 and F1 to F5.
Page 49 M700V Series Specifications Manual 4 Feed 4.2.5 Manual Speed Command M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ In the memory or MDI mode, validate the manual speed command and select either handle feed or jog (manual) feed so that the automatic operation is carried out at the feedrate.
Page 50 MITSUBISHI CNC III Functional Specifications 4.3 Override 4.3.1 Rapid Traverse Override M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ (1) Type 1 (code method) Four levels of override (1%, 25%, 50% and 100%) can be applied to manual or automatic rapid traverse using the external input signal supplied.
Page 51 M700V Series Specifications Manual 4 Feed 4.3.4 Override Cancel M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ By turning on the override cancel external signal, the override is automatically set to 100% for the cutting feed during an automatic operation mode (tape, memory and MDI).
Page 52 MITSUBISHI CNC III Functional Specifications 4.4 Acceleration/Deceleration 4.4.1 Automatic Acceleration/Deceleration after Interpolation M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Acceleration/deceleration is applied to all commands automatically. The acceleration/deceleration patterns are linear acceleration/deceleration, soft acceleration/deceleration, exponent function acceleration/ deceleration, exponent function acceleration/linear deceleration and any of which can be selected by using a parameter.
Page 53 M700V Series Specifications Manual 4 Feed Acceleration / Deceleration during Continuing Blocks (1) Continuous G1 blocks The tool does not decelerate between blocks. T s c T s c T s c T s c (2) Continuous G1-G0 blocks T s r...
Page 54 MITSUBISHI CNC III Functional Specifications 4.4.2 Rapid Traverse Constant Inclination Acceleration/Deceleration M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function performs acceleration and deceleration at a constant inclination during linear acceleration/ deceleration in the rapid traverse mode.
Page 55 M700V Series Specifications Manual 4 Feed (2) When the interpolation distance is shorter than the acceleration and deceleration distance Next block rapid : Rapid traverse rate Ts : Acceleration/deceleration time constant Td : Command deceleration check time θ : Acceleration/deceleration inclination...
Page 56 MITSUBISHI CNC III Functional Specifications (3) 2-axis simultaneous interpolation (When linear interpolation is used, Tsx < Tsz, and Lx ≠ Lz) When 2-axis simultaneous interpolation (linear interpolations) is performed during rapid traverse constant inclination acceleration and deceleration, the acceleration (deceleration) time is the longest value of the acceleration (deceleration) times determined for each axis by the rapid traverse rate of commands executed simultaneously, the rapid traverse acceleration and deceleration time constant, and the interpolation distance, respectively.
Page 57 M700V Series Specifications Manual 4 Feed 4.4.3 Rapid Traverse Constant Inclination Multi-step Acceleration/Deceleration (1st Part System Only) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― This function carries out the acceleration/deceleration according to the torque characteristic of the motor in the rapid traverse mode during automatic operation.
Page 58 MITSUBISHI CNC III Functional Specifications In the rapid traverse constant inclination acceleration/deceleration method, the acceleration has been treated constantly because this torque characteristic is not considered. So, it is necessary to use a minimum acceleration within the used speed range. Therefore, the margin of acceleration must be had in a low-speed range.
Page 59 M700V Series Specifications Manual 4 Feed 4.5 Thread Cutting 4.5.1 Thread Cutting (Lead/Thread Number Designation) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ○ ○ ○ ○ ○ ○ Thread cutting with designated lead can be performed. Designate the number of threads per inch with the E address to cut inch threads.
Page 60 MITSUBISHI CNC III Functional Specifications Thread cutting inch input Input B (0.0001inch) C (0.00001inch) setting unit Command F (inch/rev) E (inch/rev) E (ridges/inch) F (inch/rev) E (inch/rev) E (ridges/inch) address Least 1(=1.0000) 1(=1.00000) 1(=1.000) 1(=1.00000) 1(=1.000000) 1(=1.0000) Command (1.=1.0000) (1.=1.00000) (1.=1.000) (1.=1.00000) (1.=1.000000)
Page 61 M700V Series Specifications Manual 4 Feed Thread cutting inch input Input B (0.0001inch) C (0.00001inch) setting unit Command F (inch/rev) E (inch/rev) E (ridges/inch) F (inch/rev) E (inch/rev) E (ridges/inch) address Least 1(=1.00000) 1(=1.000000) 1(=1.000) 1(=1.000000) 1(=1.0000000) 1(=1.0000) Command (1.=1.00000) (1.=1.000000)
Page 62 MITSUBISHI CNC III Functional Specifications 4.5.2 Variable Lead Thread Cutting M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ By commanding the lead increment/decrement amount per thread rotation, variable lead thread cutting can be done.
Page 63 M700V Series Specifications Manual 4 Feed 4.5.3 Synchronous Tapping 4.5.3.1 Synchronous Tapping Cycle M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function performs tapping through the synchronized control of the digital spindle and servo axis. This eliminates the need for floating taps and enables tapping to be conducted at a highly precise tap depth.
Page 64 MITSUBISHI CNC III Functional Specifications tapping axis of the synchronous tapping in-position check. Hole bottom Point R → Feed rate Time T → G0 feed start to G1 deceleration In-position finish point R→ G1 deceleration start during for G0 feed from start during tapping cutting point R tapping retract...
Page 65 M700V Series Specifications Manual 4 Feed ① G0 Xx1 Yy1 ,Ii1 ② G0 Zr1 ③ G1 Zq1 Ff1 ④ M4 ⑤ G1 Z-m Ff1 ⑥ M3 ⑦ G1 Z(q1+m) Ff1 ⑧ M4 ⑨ G1 Z-m Ff1 ⑩ M3 ⑪ G1 Z(q1+m) Ff1...
Page 66 MITSUBISHI CNC III Functional Specifications 4.5.3.3 Deep-hole Tapping Cycle M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― In the deep-hole tapping, the load applied to the tool can be reduced by designating the depth of cut per pass and cutting the workpiece to the hole bottom for a multiple number of passes.
Page 67 M700V Series Specifications Manual 4 Feed ① G0 Xx1 Yy1 ② G0 Zr1 ③ G9 G1 Zq1 Ff1 ④ M4 (Spindle reverse rotation) ⑤ G9 G1 Z-q1 Ff1 ⑥ G4 Pp1 ⑦ M3 (Spindle forward R point rotation) ⑧ G1 Z(q1-c) Ff1 ⑨...
Page 68 MITSUBISHI CNC III Functional Specifications 4.5.4 Chamfering M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ Chamfering can be validated during the thread cutting cycle by using external signals. The chamfer amount and angle are designated with parameters.
Page 69 M700V Series Specifications Manual 4 Feed 4.5.6 Circular Thread Cutting M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ Circular thread in which the lead is in longitudinal direction can be cut.
Page 70 MITSUBISHI CNC III Functional Specifications 4.5.8 High-speed Synchronous Tapping (OMR-DD) M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The servo axis directly detects and compensates of the spindle's delay in tracking by using the communication between drive unit over the high-speed optical servo network.
Page 71 M700V Series Specifications Manual 4 Feed 4.6 Manual Feed 4.6.1 Manual Rapid Traverse M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When the manual rapid traverse mode is selected, the tool can be moved at the rapid traverse rate for each axis separately.
Page 72 MITSUBISHI CNC III Functional Specifications 4.6.2 Jog Feed M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When the jog feed mode is selected, the tool can be moved in the axis direction (+ or -) in which the machine is to be moved at the per-minute feed.
Page 73 M700V Series Specifications Manual 4 Feed 4.6.3 Incremental Feed M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When the incremental feed mode is selected, the tool can be operated by an amount equivalent to the designated amount (incremental value) in the axis direction each time the jog switch is pressed.
Page 74 MITSUBISHI CNC III Functional Specifications 4.6.5 Manual Feed Rate B M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ "Manual feedrate B" is a function that sets an arbitrary axis feedrate from the user PLC separately from the "manual feedrate".
Page 75 M700V Series Specifications Manual 4 Feed 4.6.6 Manual Feed Rate B Surface Speed Control M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― When using the manual feed rate B function and machining by moving the orthogonal axis while rotating the rotary table, the tool nose and workpiece's relative speed will drop as the tool nears the rotation center if the table rotation speed remains under the set conditions.
Page 76 MITSUBISHI CNC III Functional Specifications 4.7 Dwell 4.7.1 Dwell (Time-based Designation) M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The G04 command temporarily stops the machine movement and sets the machine standby status for the time designated in the program.
Page 77 Program Memory/Editing III - 75...
Page 78 MITSUBISHI CNC III Functional Specifications 5.1 Memory Capacity Machining programs are stored in the NC memory, DS, and external memory device (front IC card, HD disk, etc.). When using devices such as HD, FD, DS and memory card, mass-editing, which is carried out on those devices, is possible.
Page 79 M700V Series Specifications Manual 5 Program Memory/Editing 5.1.1.7 1000kB [2560 m] (1000 Programs) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ 5.1.1.8 2000kB [5120 m] (1000 Programs)
Page 80 MITSUBISHI CNC III Functional Specifications 5.2 Editing 5.2.1 Program Editing M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The following editing functions are possible. (1) Program erasing Machining programs can be erased individually or totally.
Page 81 M700V Series Specifications Manual 5 Program Memory/Editing 5.2.2 Background Editing M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function enables one machining program to be created or editing while another program is being run.
Page 82 MITSUBISHI CNC III Functional Specifications 5.2.3 Buffer Correction M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ During automatic operation (including memory, tape, HD, IC card or DS operation) or MDI operation, this function initiates single block stop and enables the next command to be corrected or changed.
Page 83 Operation and Display III - 81...
Page 84 MITSUBISHI CNC III Functional Specifications 6.1 Structure of Operation/Display Panel The setting and display unit is configured of the setting section and keyboard section. Refer to "General Specifications" for details. 6.1.1 Color Display (8.4-type LCD TFT) M720VW M730VW M750VW M720VS M730VS M750VS M system...
Page 85 M700V Series Specifications Manual 6 Operation and Display 6.2 Operation Methods and Functions 6.2.1 Operation Input M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ In addition to the method of directly inputting numeric data, a method to input the operation results using four rules operators and function symbols can be used for specific data settings.
Page 86 MITSUBISHI CNC III Functional Specifications 6.2.6 Menu List M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The menu list function displays the menu configuration of each screen as a list making it possible to directly select the menu for other screens.
Page 87 M700V Series Specifications Manual 6 Operation and Display 6.2.12 Alarm Guidance M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ Guidance is displayed for the alarm currently issued.
Page 88 MITSUBISHI CNC III Functional Specifications 6.2.17 PC-NC Network Automatic Connection M720VW M730VW M750VW M720VS M730VS M750VS ○ ○ ○ ― ― ― M system L system ○ ○ ○ ― ― ― This function supports to restore the connection when the network connection cannot be created between the display unit and the control unit.
Page 89 M700V Series Specifications Manual 6 Operation and Display 6.3 Display Methods and Contents 6.3.1 Status Display M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The status of the program now being executed is indicated.
Page 90 MITSUBISHI CNC III Functional Specifications 6.3.4 Preparation Screen Display M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Tool/workpiece related settings, user parameter settings, MDI editing, counter setting, manual numeric command issuing and pallet program registration (option) can be carried out on the Preparation screen.
Page 91 M700V Series Specifications Manual 6 Operation and Display 6.3.8 Additional Language 6.3.8.1 Japanese M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ 6.3.8.2 English M720VW M730VW M750VW...
Page 92 MITSUBISHI CNC III Functional Specifications 6.3.8.8 Korean M720VW M730VW M750VW M720VS M730VS M750VS △ / □ △ / □ △ / □ △ / □ △ / □ △ / □ M system △ / □ △ / □ △ / □ △...
Page 93 Input/Output Functions and Devices III - 91...
Page 94 MITSUBISHI CNC III Functional Specifications 7.1 Input/Output Data Certain kinds of data handled by the NC system can be input and output between the NC system's memory and external devices. 7.1.1 Machining Program Input / Output (Including User Macros and Fixed Cycle Macros) M720VW M730VW M750VW...
Page 95 M700V Series Specifications Manual 7 Input/Output Functions and Devices 7.2 Input/Output I/F 7.2.1 RS-232C I/F M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ There are 2 ports (port 1/2) available with the RS-232C interface for both display unit and control unit.
Page 96 MITSUBISHI CNC III Functional Specifications 7.2.2 IC Card I/F 7.2.2.1 I/F for CF Card in Control Unit [Up to 2GByte] M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ― ― ― L system ○ ○ ○ ― ―...
Page 97 M700V Series Specifications Manual 7 Input/Output Functions and Devices 7.3 Computer Link 7.3.1 Computer Link B M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ Computer link B is a function that passes the data between host computer (hereafter abbreviated to "HOST") and CNC.
Page 98 MITSUBISHI CNC III Functional Specifications 7.4 Others 7.4.1 Handy Terminal Connection M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ ― ― ― L system △ △ △ ― ― ― Machine operations, such as setup operations, are possible at hand by using a handy terminal. (1) Machine operation using manual pulse generator, jog and inching (2) Displaying CNC status such as machine position (3) Displaying PLC messages...
Page 99 Spindle, Tool and Miscellaneous Functions III - 97...
Page 100 MITSUBISHI CNC III Functional Specifications 8.1 Spindle Functions (S) 8.1.1 Spindle Control Functions The spindle rotation speed is determined in consideration of the override and gear ratio for the S command commanded in automatic operation or with manual numerical commands, and the spindle is rotated. The following diagram shows an outline of the spindle control.
Page 101 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions 8.1.1.1 Spindle Digital I/F M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This interface is used to connect the digital spindle (AC spindle motor and spindle driver).
Page 102 MITSUBISHI CNC III Functional Specifications 8.1.1.5 Encoder Input I/F M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ Encoder pulse input used to be fixed to 1024 pulse input on the conventional analogue interface. With this function, arbitrary pulse can be input by parameters set in R register.
Page 103 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions Two kinds of encoders can be switched over and connected. Encoder switch-over is possible, using PLC device. Encoder changeover pulse input (a) ENC interface (b) Input pulse (c) R register...
Page 104 MITSUBISHI CNC III Functional Specifications 8.1.3 Constant Surface Speed Control M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ With radial direction cutting, this function enables the spindle speed to be changed in accordance with changes in the radial direction coordinates and the workpiece to be cut with the cutting point always kept at a constant speed (constant surface speed).
Page 105 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions G97 S1000 S2000 G96 S200 S100 1000r/min S2000r/min S100m/min S200m/min (a) Part system 1 (b) Part system 2 (d) Spindle control rights (e) Spindle speed (f) Part system 2 program (g) Part system 1 program 8.1.4 Spindle Override...
Page 106 MITSUBISHI CNC III Functional Specifications 8.1.5 Multiple-spindle Control Multiple-spindle control is a function that controls all the spindles except for the first spindle for a machine tool equipped with second, third and fourth spindles (sub-spindles) in addition to the first spindle (main spindle).
Page 107 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions 8.1.5.1 Multiple-spindle Control I M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ (1) Spindle selection command Using the spindle selection command (such as G43.1 [G group 20]), this function makes it possible...
Page 108 MITSUBISHI CNC III Functional Specifications 8.1.6 Spindle Orientation M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function stops the spindle rotation at a certain position. When Z-phase has not yet been passed, pass Z-phase twice (excluding reciprocations within one rotation), and then position to the orientation position.
Page 109 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions (d) Proximity switch orientation Proximity switch orientation enables the spindle positioning by providing the proximity switch position installed on the spindle side as the spindle position zero point. When the spindle motor and the spindle are connected with V-belt, the spindle position zero point calculated from the spindle motor position varies due to belt slipping, etc.
Page 110 MITSUBISHI CNC III Functional Specifications 8.1.8 Spindle Synchronization In a machine with two or more spindles, this function controls the rotation speed and phase of one selected spindle (synchronized spindle) in synchronization with the rotation of the other selected spindle (basic spindle).
Page 111 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions 8.1.9 Tool Spindle Synchronization I (Polygon) 8.1.9.1 Tool Spindle Synchronization IA (Spindle-Spindle Polygon) M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △...
Page 112 MITSUBISHI CNC III Functional Specifications 8.1.9.2 Tool Spindle Synchronization IB (Spindle-Spindle Polygon) M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ With a machine equipped with two or more spindles under serial connection control, this function enables spindle-spindle polygon machining (IB) by controlling the rotary tool spindle rotation in synchronization with the workpiece spindle rotation.
Page 113 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions 8.1.9.3 Tool Spindle Synchronization IC (Spindle-NC Axis Polygon) M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △...
Page 114 MITSUBISHI CNC III Functional Specifications 8.1.10 Tool Spindle Synchronization II (Hobbing) M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ This function is to cut the gear with hob (hob cutter). A spur gear can be machined by synchronizing and rotating the hob axis and the workpiece axis in a constant ratio.
Page 115 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions 8.1.11 Spindle Speed Clamp M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function is to limit the spindle rotation speed to the ranges between the maximum rotation speed and the minimum rotation speed.
Page 116 MITSUBISHI CNC III Functional Specifications 8.2 Tool Functions (T) 8.2.1 Tool Functions (T Command) M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The command is issued with an 8-digit number following address T (T0 - T99999999). The tool function is used to command the tool No.
Page 117 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions 8.3 Miscellaneous Functions (M) 8.3.1 Miscellaneous Functions M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Miscellaneous function, or M function, is used to command auxiliary functions for NC, such as rotating the spindle forward/backward or stopping it, as well as turning the cooling oil ON/OFF.
Page 118 MITSUBISHI CNC III Functional Specifications 8.3.3 M Code Independent Output M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When the M00, M01, M02 or M30 command is assigned during an automatic operation (tape, memory, MDI) or by a manual numerical command, the signal of this function is output.
Page 119 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions 8.3.4 Miscellaneous Function Finish M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ These signals inform the CNC system that a miscellaneous function (M), spindle function (S), tool function (T) or 2nd miscellaneous function (A, B, C) has been assigned and that the PLC which has received it has completed the required operation.
Page 120 MITSUBISHI CNC III Functional Specifications 8.3.5 M Code Output during Axis Traveling M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ This function controls the timing at which miscellaneous functions are output, and it outputs a miscellaneous function when axis reaches at the designated position movement.
Page 121 M700V Series Specifications Manual 8 Spindle, Tool and Miscellaneous Functions 8.4 2nd Miscellaneous Functions (B) 8.4.1 2nd Miscellaneous Functions M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○...
Page 122 MITSUBISHI CNC III Functional Specifications III - 120...
Page 123 Tool Compensation III - 121...
Page 124 MITSUBISHI CNC III Functional Specifications 9.1 Tool Length/Tool Position 9.1.1 Tool Length Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ These commands make it possible to control the axis movement by compensating the position of the end point of the movement command by a compensation amount set on the tool compensation screen.
Page 125 M700V Series Specifications Manual 9 Tool Compensation (2) L system (a) Shape compensation Tool length is compensated in reference to the programmed base position. The programmed base position is usually the center of the tool rest or the nose position of the base tool.
Page 126 MITSUBISHI CNC III Functional Specifications (c) Command format Tool compensation is performed by a T command. It is specified in eight digits following address T. Tool compensation is divided into two types: tool length compensation and tool nose wear compensation. The Nos. of such two types of compensations are specified by a parameter. Also a parameter is used to specify whether the compensation Nos.
Page 127 M700V Series Specifications Manual 9 Tool Compensation 9.1.2 Tool Position Offset M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ― ― ― ― ― ― This function uses commands to control the movement by changing the positions of the end points of the movement commands to positions which have been extended or reduced by an amount equivalent to the tool compensation amount.
Page 128 MITSUBISHI CNC III Functional Specifications 9.2 Tool Radius 9.2.1 Tool Radius Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ― ― ― ― ― ― These commands function to provide tool radius compensation. Through a combination with the G command and D address assignment, they compensate for the actual tool center path either inside or outside the programmed path by an amount equivalent to the tool radius.
Page 129 M700V Series Specifications Manual 9 Tool Compensation The tool radius compensation command controls the compensation from that block in which G41 or G42 is commanded. In the tool radius compensation mode, the program is read up to five blocks ahead including blocks with no movement, and interference check using tool radius is conducted up to three blocks ahead in any of those blocks with movement.
Page 130 MITSUBISHI CNC III Functional Specifications The compensation vector can be changed in following two ways. G38 Xx1 Yy1 ; : Vector designation for tool radius compensation Xx1,Yy1 : Movement amount The tool radius compensation vector amount and direction are retained. G38 Xx1 Yy1 Ii1 Jj1 Dd1 ;...
Page 131 M700V Series Specifications Manual 9 Tool Compensation 9.2.2 3-dimensional Tool Radius Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― This command serves the function of compensating for the spherical radius of ball end mills. It compensates for the actual tool center path to be either more outside or inside the programmed path by an amount equivalent to the tool radius amount in accordance with the 3-dimensional vectors.
Page 132 MITSUBISHI CNC III Functional Specifications 9.2.3 Tool Nose Radius Compensation (G40/41/42) M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ Corresponding to the tool No., the tool nose is assumed to be a half circle of radius R, and compensation is made so that the half circle touches the programmed path.
Page 133 M700V Series Specifications Manual 9 Tool Compensation 9.2.4 Automatic Decision of Nose Radius Compensation Direction (G46/40) M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ The nose radius compensation direction is automatically determined from the tool nose point and the specified movement vector.
Page 134 MITSUBISHI CNC III Functional Specifications 9.3 Tool Compensation Amount 9.3.1 Number of Tool Compensation Sets The number of tool compensation sets is as follows. <M system> Independent for part systems Common for part systems or 1-part Function name and multi-part system system specification specification Number of tool compensation sets (40 sets)
Page 135 M700V Series Specifications Manual 9 Tool Compensation 9.3.1.5 400 Sets M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― 9.3.1.6 999 Sets M720VW M730VW M750VW M720VS M730VS...
Page 136 MITSUBISHI CNC III Functional Specifications 9.3.2 Compensation Memory 9.3.2.1 Tool Shape/Wear Compensation Amount M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function registers the tool shape compensation and wear compensation amounts. Compensation may encompass two or more axes.
Page 137 M700V Series Specifications Manual 9 Tool Compensation (b) Type 2: 1-axis compensation amounts/with wear compensation [M system] As with type 1, type 2 is for the compensation amounts used by rotary tools. With type 2, four kinds of compensation amount data are registered in one compensation No.: the tool length compensation amount, tool length wear compensation amount, tool radius compensation amount, and tool radius wear compensation amount.
Page 138 MITSUBISHI CNC III Functional Specifications (c) Type 3: 2-axis compensation amounts [L system] Type 3 is for the compensation amounts used by non-rotary tools. As the compensation amounts, the tool length along the X, Y and Z axes and the wear amount along each of these axes, the nose radius and nose radius wear amount, tool tip point P and tool width can be registered.
Page 139 Coordinate System III - 137...
Page 140 MITSUBISHI CNC III Functional Specifications 10.1 Coordinate System Type and Setting The coordinate system handled by the NC is shown below. The points that can be commanded with the movement command are points on the local coordinate system or machine coordinate system. 0 - 54 0 - 55 Local coordinate system zero point...
Page 141 M700V Series Specifications Manual 10 Coordinate System 10.1.1 Machine Coordinate System M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The machine coordinate system is used to express the prescribed positions (such as the tool change...
Page 142 MITSUBISHI CNC III Functional Specifications 10.1.2 Coordinate System Setting M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Among the workpiece coordinate systems with the G92, the program coordinate system (the programmed zero point) can be changed.
Page 143 M700V Series Specifications Manual 10 Coordinate System When the coordinate system setting is commanded by G92, all the workpiece coordinate systems from G54 through G59 referenced to the machine coordinate system undergo a shift. y’ x’ (a) Coordinate system created by automatic coordinate system setting...
Page 144 MITSUBISHI CNC III Functional Specifications 10.1.4 Workpiece Coordinate System Selection 10.1.4.1 Workpiece Coordinate System Selection (6 Sets) M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When a multiple number of workpieces with the same shape are to be machined, these commands enable the same shape to be machined by executing a single machining program in the coordinate system of each workpiece.
Page 145 M700V Series Specifications Manual 10 Coordinate System Settings can be performed in one of the following three ways: (a) Setting using the setting and display unit (b) Setting using commands assigned from the machining program (c) Setting from the user PLC G90 G56 G00 X0 Y0 ;...
Page 146 MITSUBISHI CNC III Functional Specifications 10.1.4.2 Extended Workpiece Coordinate System Selection (48 Sets) G54.1P1 to P48 M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ When a multiple number of workpieces with the same shape are to be machined, these commands enable the same shape to be machined by executing a single machining program in the coordinate system of each workpiece.
Page 147 M700V Series Specifications Manual 10 Coordinate System 10.1.5 External Workpiece Coordinate Offset M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ External workpiece coordinate offset that serves as the reference for all the workpiece coordinate systems is available outside the workpiece coordinates.
Page 148 MITSUBISHI CNC III Functional Specifications 10.1.6 Workpiece Coordinate System Preset (G92.1) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function presets the workpiece coordinate system, which has been shifted by the programmed command or the manual operation, as the workpiece coordinate system which has been offset by the programmed command (G92.1) from the machine zero point by an amount equivalent to the workpiece coordinate offset amount.
Page 149 M700V Series Specifications Manual 10 Coordinate System 10.1.7 Local Coordinate System M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function is for assigning a coordinate system on the workpiece coordinate system now being selected.
Page 150 MITSUBISHI CNC III Functional Specifications 10.1.8 Coordinate System for Rotary Axis M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The axis designated as the rotary axis with the parameters is controlled with the rotary axis' coordinate system.
Page 151 M700V Series Specifications Manual 10 Coordinate System 10.1.9 Plane Selection M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ G17, G18, and G19 are for specifying the planes for the arc, tool radius compensation, coordinate rotation and other such commands.
Page 152 MITSUBISHI CNC III Functional Specifications 10.1.10 Origin Set/Origin Cancel M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ (1) Origin set Origin set is a function that shifts the coordinate system so that the current position is the zero point on the workpiece coordinate system containing the workpiece coordinate system's offset value.
Page 153 M700V Series Specifications Manual 10 Coordinate System (2) Origin cancel Origin cancel is a function that manually cancels all deviated amounts, and shifts to the designated zero point with the workpiece offset. The relative position counter and machine position counter are set to "0" with this operation. In other words, this is the same "G92 G53 X0 ;".
Page 154 MITSUBISHI CNC III Functional Specifications 10.2 Return 10.2.1 Manual Reference Position Return M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function enables the tool to be returned manually to the position (reference position) which is characteristic to the machine.
Page 155 M700V Series Specifications Manual 10 Coordinate System 10.2.2 Automatic 1st Reference Position Return M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The machine can be returned to the first reference position by assigning the G28 command during automatic operation.
Page 156 MITSUBISHI CNC III Functional Specifications The G29 programming format is given below. G29 Xx1 Yy1 Zz1 ; : Return command Xx1,Yy1,Zz1 : Return control axes (coordinate of assigned position) The tool is first moved by rapid traverse for each axis to the interim position which is passed through with G28 or G30, and is then positioned by rapid traverse at the position assigned by the program.
Page 157 M700V Series Specifications Manual 10 Coordinate System 10.2.3 2nd, 3rd, 4th Reference Position Return M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ As with automatic 1st reference position return, commanding G30Pn during automatic operation enables the tool to be returned to the set points (2nd, 3rd or 4th reference positions) characteristic to the machine.
Page 158 MITSUBISHI CNC III Functional Specifications (Note 1) The second reference position return is performed if the P address is omitted. (Note 2) The number of axes for which reference position return can be performed simultaneously depends on the number of simultaneously controlled axes. (Note 3) If, at the time of the reference position return, the tool radius compensation or nose R compensation has not been canceled, it will be temporarily canceled during the movement up to the interim point.
Page 159 M700V Series Specifications Manual 10 Coordinate System 10.2.5 Absolute Position Detection M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ The absolute position detection function holds the relation of the actual machine position and the machine coordinates in the controller with a battery even when the power is turned OFF.
Page 160 MITSUBISHI CNC III Functional Specifications 10.2.6 Tool Change Position Return M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ By specifying the tool change position in a parameter and also assigning a tool change position return command in a machining program, the tool can be changed at the most appropriate position.
Page 161 Operation Support Functions III - 159...
Page 162 MITSUBISHI CNC III Functional Specifications 11.1 Program Control 11.1.1 Optional Block Skip M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When "/" (slant code) is programmed at the head of a block, and the optional block skip input signal from the external source is turned ON for automatic operation, the block with the "/"...
Page 163 M700V Series Specifications Manual 11 Operation Support Functions 11.1.3 Single Block M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The commands for automatic operation can be executed one block at a time (block stop) by turning ON the single block input signal.
Page 164 MITSUBISHI CNC III Functional Specifications 11.2 Program Test 11.2.1 Dry Run M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ F code feed commands for automatic operation can be switched to the manual feed rate data of the machine operation board by turning ON the dry run input signal.
Page 165 M700V Series Specifications Manual 11 Operation Support Functions 11.2.3 Miscellaneous Function Lock M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The M, S, T and B (2nd miscellaneous function) output signals are not output to the machine or PLC when the miscellaneous function lock signal of external input is turned ON.
Page 166 MITSUBISHI CNC III Functional Specifications 11.2.4.2 3D Solid Program Check M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― This function draws the workpiece shape and tool movement in the cutting process as a solid image without executing automatic operation.
Page 167 M700V Series Specifications Manual 11 Operation Support Functions 11.2.4.3 Graphic Check Rotary Axis Drawing M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ When the rotary axis (C axis) is designated with the parameter in program check (2D), the path is drawn depending on the rotary axis.
Page 168 MITSUBISHI CNC III Functional Specifications 11.2.5 Graphic Trace 11.2.5.1 Graphic Trace M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function draws the machine tool's machine position. The movement path following the actual automatic operation or manual operation, or the tool tip movement path can be drawn, and the machine operation during machining can be monitored.
Page 169 M700V Series Specifications Manual 11 Operation Support Functions 11.2.5.2 Graphic Trace Rotary Axis Drawing M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ When the rotary axis (C axis) is designated with the parameter in program trace, the path is drawn depending on the rotary axis.
Page 170 MITSUBISHI CNC III Functional Specifications 11.3 Program Search/Start/Stop 11.3.1 Program Search M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The program No. of the program to be operated automatically can be designated and called. Upon completion of search, the head of the program searched is displayed.
Page 171 M700V Series Specifications Manual 11 Operation Support Functions 11.3.3 Verification Stop M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function enables the single block stop status to be established at any block without having to set the SINGLE BLOCK switch to ON.
Page 172 MITSUBISHI CNC III Functional Specifications 11.3.4 Program Restart M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ When a machining program is to be resumed after it has been suspended midway due to tool damage or for some other reason, this function searches the program and the block to be resumed and enables machining to be resumed from the block.
Page 173 M700V Series Specifications Manual 11 Operation Support Functions 11.3.6 NC Reset M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function enables the controller to be reset.
Page 174 MITSUBISHI CNC III Functional Specifications 11.3.8 Search & Start M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ If the search & start signal is input in a status where the memory mode is selected, the designated machining program is searched and executed from its head.
Page 175 M700V Series Specifications Manual 11 Operation Support Functions 11.4 Interrupt Operation 11.4.1 Manual Interruption M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ L system Manual interrupt is a function that enables manual operations to be performed during automatic operation.
Page 176 MITSUBISHI CNC III Functional Specifications 11.4.2 Automatic Operation Handle Interruption M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The handle command can interrupt and be superimposed onto a command without suspending automatic operation and the machine can be moved by rotating the manual pulse generator during automatic operation.
Page 177 M700V Series Specifications Manual 11 Operation Support Functions 11.4.3 Manual Absolute Switch M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The program absolute positions are updated by an amount equivalent to the distance by which the tool is moved by hand when the manual absolute switch signal is turned ON.
Page 178 MITSUBISHI CNC III Functional Specifications (a) Feed hold stop (b) Programmed path (absolute command) (c) Manual interrupt (Program absolute position is not updated even if axis moves) (d) Path after manual interrupt (e) Path is shifted by an amount equivalent to manual interrupt value (Zero point moves) (f) With manual absolute signal OFF The manual absolute ON state will be entered when the power is turned ON.
Page 179 M700V Series Specifications Manual 11 Operation Support Functions 11.4.5 Tapping Retract M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ If tapping is interrupted by a reset or emergency stop signal that is input during tapping and the tap is left engaged inside the workpiece, the tap tool engaged inside the workpiece can be rotated in the reverse direction so that it will be disengaged by inputting the tap retract signal.
Page 180 MITSUBISHI CNC III Functional Specifications 11.4.6 Manual Numerical Value Command M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ On the screen of the setting and display unit, the M, S and T (and B when 2nd miscellaneous function is valid) commands can be executed by setting numerical values and pressing [INPUT].
Page 181 M700V Series Specifications Manual 11 Operation Support Functions 11.4.7 Arbitrary Reverse Run M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― This function allows a program to run the executed blocks backward (hereinafter called "reverse run") after the block stop in the automatic operation.
Page 182 MITSUBISHI CNC III Functional Specifications 11.4.8 MDI Interruption M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function enables MDI programs to be executed during automatic operation in the single block stop status.
Page 183 M700V Series Specifications Manual 11 Operation Support Functions 11.4.9 Simultaneous Operation of Manual and Automatic Modes M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function enables manual operations to be performed during automatic operation by selecting an automatic operation mode (tape, MDI or memory) and manual mode (handle, step, jog or manual reference position return) simultaneously.
Page 184 MITSUBISHI CNC III Functional Specifications 11.4.10 Simultaneous Operation of JOG and Handle Modes M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When executing the jog feed and handle feed, both these feeds are available without changing the mode each time by inputting the jog mode signal and simultaneous operation of jog and handle modes signal to the control unit.
Page 185 M700V Series Specifications Manual 11 Operation Support Functions 11.4.12 Tool Escape and Return M720VW M730VW M750VW M720VS M730VS M750VS M system ― △ △ ― △ △ L system ― ― ― ― ― ― Even if the machining program's operation is halted and the tool is escaped to change the tool or check the workpiece, etc., the tool can be returned to the halted point (machining halted point) and machining...
Page 186 MITSUBISHI CNC III Functional Specifications 11.4.13 Skip Retract M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― This function is used to return to the opposite advance direction when the skip signal is input during G31 command.
Page 187 Program Support Functions III - 185...
Page 188 MITSUBISHI CNC III Functional Specifications 12.1 Machining Method Support Functions 12.1.1 Program 12.1.1.1 Subprogram Control M720VW M730VW M750VW M720VS M730VS M750VS ○ 8layers ○ 8layers ○ 8layers ○ 8layers ○ 8layers ○ 8layers M system L system ○ 8layers ○ 8layers ○...
Page 189 M700V Series Specifications Manual 12 Program Support Functions A subprogram branch destination or repetition of a subprogram can be specified. Specifying a subprogram branch destination Specifying repetition of a subprogram P 1 0 0 0 P 1 0 0 0 P 1 0 0 0 N 1 ;...
Page 190 MITSUBISHI CNC III Functional Specifications 12.1.1.2 Figure Rotation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― If the same pattern is used repeatedly on a concentric circle, one of the rotating machining patterns can be registered as a subprogram.
Page 191 M700V Series Specifications Manual 12 Program Support Functions (1) The first subprogram called out with subprogram call is executed at a 0° rotation angle. The path is created as commanded. (2) If the number of repetitions is set to two or more, the rotation angle is obtained from the called subprogram's start point, end point and rotation center coordinate.
Page 192 MITSUBISHI CNC III Functional Specifications 12.1.1.3 Scaling M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― The shape commanded by the program can be extended or reduced to the desired size by applying a scale factor to the movement axis command position.
Page 193 M700V Series Specifications Manual 12 Program Support Functions 12.1.1.4 Axis Name Switch M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ The axis name switch function switches the name of command axis and control axis.
Page 194 MITSUBISHI CNC III Functional Specifications 12.1.2 Macro Program 12.1.2.1 User Macro M720VW M730VW M750VW M720VS M730VS M750VS △ 4layers △ 4layers △ 4layers △ 4layers △ 4layers △ 4layers M system △ 4layers △ 4layers △ 4layers △ 4layers △ 4layers △...
Page 195 M700V Series Specifications Manual 12 Program Support Functions The following macro command functions are available. #1=<Expression> ; Arithmetic Various arithmetic operations can be conducted between variables by the above. commands "<Expression>" is a combination of constants, variables, functions and operators.
Page 196 MITSUBISHI CNC III Functional Specifications 12.1.2.2 Machine Tool Builder Macro M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function enables macro programs exclusively designed for use by the machine builders to be registered in addition to the regular user macro programs.
Page 197 M700V Series Specifications Manual 12 Program Support Functions 12.1.2.3 Macro Interruption M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ By inputting a user macro interrupt signal from the PLC, the program being currently executed is interrupted and other programs can be called instead.
Page 198 MITSUBISHI CNC III Functional Specifications 12.1.2.4 Variable Command Programming can be given flexible and general-purpose capabilities by designating variables instead of directly assigning numbers for addresses in programs and by supplying the values of those variables as required when running the programs. Arithmetic operations (adding, subtracting, multiplying and dividing) can also be conducted for the variables.
Page 199 M700V Series Specifications Manual 12 Program Support Functions Variable expressions Variable : #Numerical value #100 (Numerical value: 1,2,3, ..) : # [Expression] #100 Expression : Numerical value : Variable : Expression Operator Expression #100 + #101 : - (minus) Expression...
Page 200 MITSUBISHI CNC III Functional Specifications 12.1.2.4.8 (100+100 × Number of Part Systems) Sets M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ 12.1.2.4.9 (200+100 × Number of Part Systems) Sets M720VW M730VW M750VW...
Page 201 M700V Series Specifications Manual 12 Program Support Functions 12.1.3 Fixed Cycle List of fixed cycles M system L system Remarks Type of fixed cycle Gcode Gcode Gcode Gcode Gcode Gcode Gcode list 1 list 2 list 3 list 4 list 5...
Page 202 MITSUBISHI CNC III Functional Specifications 12.1.3.1 Fixed Cycle for Drilling M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ (1) M system: G70 to G89, G88, G99 These functions enable drilling, tapping and other hole machining cycles to be assigned in a simple 1- block program.
Page 203 M700V Series Specifications Manual 12 Program Support Functions Perfect circle cutting cycle Reverse tapping cycle Fine boring cycle Step cycle Initial G98 mode G98 mode point Initial Initial G98 mode Initial point point point R point R point R point...
Page 204 MITSUBISHI CNC III Functional Specifications (2) L system: G83 to G89, G80 These functions enable drilling, tapping and other hole machining cycles to be assigned in a simple 1- block program. Retract Gcode Drilling axis Drilling work start Motion at hole bottom motion Cancel Cutting feed...
Page 205 M700V Series Specifications Manual 12 Program Support Functions The drilling cycle motions generally are classified into the following seven. Motion 1 Motion 2 Initial point Motion 3 Motion 7 R point Motion 4 Motion 6 Motion 5 Motion 1:Rapid positioning up to the initial point of X (Z) and C axes.
Page 206 MITSUBISHI CNC III Functional Specifications Deep-hole drilling cycle (G83, G87) G83/G87 Deep-hole drilling cycle (G83: Z-axis direction, G87: X-axis direction) When Q command is given When Q command is not given Z point / Initial point X point R point G99 mode G98 mode Initial point...
Page 207 M700V Series Specifications Manual 12 Program Support Functions 12.1.3.2 Fixed Cycle for Drilling (Type II) M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ In the longitudinal hole drilling fixed cycle, the X axis is designated as the hole drilling axis. However, in the longitudinal hole drilling fixed cycle (type II), the Y axis can be designated as the hole drilling axis with the longitudinal hole drilling axis selection function.
Page 208 MITSUBISHI CNC III Functional Specifications 12.1.3.3 Special Fixed Cycle M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― These functions enable drilling, tapping and other hole machining cycles to be assigned in a simple 1-block program.
Page 209 M700V Series Specifications Manual 12 Program Support Functions X1=200mm (Example) With 0.001mm least command increment 20° N001 G91 ; N002 G81 Z-10.000 R5.000 L0 F200 ; N003 G90 G34 X200.000 Y100.000 I100.000 J20.000 I =100mm Y1=100mm K6 ; N004 G80 ;………………(G81 cancel) N005 G90 G0 X500.000 Y100.000 ;...
Page 210 MITSUBISHI CNC III Functional Specifications (3) Arc (G36) The tool starts at the point forming angle θ with the X axis on the circumference of a circle with radius "r" whose center is the coordinates designated by X and Y, and it drills "n" number of holes aligned at angle interval △...
Page 211 M700V Series Specifications Manual 12 Program Support Functions (4) Grid (G37.1) With the starting point at on the position designated by X and Y, this function enables the tool to drill the holes on the lattice with "nx" number of holes at parallel intervals of △ x to the X axis. Drilling proceeds in the X-axis direction.
Page 212 MITSUBISHI CNC III Functional Specifications 12.1.3.4 Fixed Cycle for Turning Machining M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ The shape normally programmed in several blocks for rough cutting, etc., in the turning machining can be commanded in one block.
Page 213 M700V Series Specifications Manual 12 Program Support Functions (1) Longitudinal cutting cycle (G77) (a) Straight cutting Straight cutting in the longitudinal direction can be performed consecutively by the following block: G77 X/U_ Z/W_ F_ ; 4 (R) 1 (R) 3 (F)
Page 214 MITSUBISHI CNC III Functional Specifications Thread cutting cycle (G78) (a) Straight thread cutting Straight thread cutting can be performed by the following block: G78 X/U_ Z/W_ F/E_ ; 4 (R) 3 (R) 1 (R) 2 (a) (a) F or E code designation (R) Rapid traverse feed (b) Taper thread cutting Taper thread cutting can be performed by the following block:...
Page 215 M700V Series Specifications Manual 12 Program Support Functions Chamfering θ α α:Thread cutting-up amount Assuming that thread lead is L, the thread cutting-up amount can be set in a given parameter in 0.1L steps in the range of 0 to 12.7L.
Page 216 MITSUBISHI CNC III Functional Specifications (3) Face cutting cycle (G79) (a) Straight cutting Straight cutting in the end face direction can be performed consecutively by the following block: G79 X/U_ Z/W_ F_ ; 1(R) 2(F) 4(R) 3(F) (R) Rapid traverse feed (F) Cutting feed (b) Taper cutting Taper cutting in the end face direction can be performed consecutively by the following block:...
Page 217 M700V Series Specifications Manual 12 Program Support Functions 12.1.3.5 Compound Type Fixed Cycle for Turning Machining M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ The shape normally programmed in several blocks for rough cutting, etc., in the turning machining can be commanded in one block.
Page 218 MITSUBISHI CNC III Functional Specifications (1) Longitudinal rough cutting cycle (G71) The finish shape program is called, and straight rough cutting is performed while intermediate path is being calculated automatically. The machining program is commanded as follows. G71 Ud Re ; G71 Aa Pp Qq Uu Ww Ff Ss Tt ;...
Page 219 M700V Series Specifications Manual 12 Program Support Functions (2) Face rough cutting cycle (G72) The finish shape program is called, and rough cutting is performed in the end face direction while intermediate path is being calculated automatically. The machining program is commanded as follows G72 Wd Re ;...
Page 220 MITSUBISHI CNC III Functional Specifications Molding material in rough cutting cycle (G73) The finish shape program is called. Intermediate path is automatically calculated and rough cutting is performed conforming to the finish shape. The machining program is commanded as follows. G73 Ui Wk Rd ;...
Page 221 M700V Series Specifications Manual 12 Program Support Functions Finish cycle (G70) After rough cutting is performed by using G71 to G73, finish cutting can be performed by using the G70 command. The machining program is commanded as follows. G70 Aa Pp Qq ;...
Page 222 MITSUBISHI CNC III Functional Specifications (5) Face cutting-off cycle (G74) When the slotting end point coordinates, cut depth, cutting tool shift amount, and cutting tool relief amount at the cut bottom are commanded, automatic slotting is performed in the end face direction of a given bar by G74 fixed cycle.
Page 223 M700V Series Specifications Manual 12 Program Support Functions (6) Longitudinal cutting-off cycle (G75) When the slotting end point coordinates, cut depth, cutting tool shift amount, and cutting tool relief amount at the cut bottom are commanded, automatic slotting is performed in the longitudinal direction of a given bar by G75 fixed cycle.
Page 224 MITSUBISHI CNC III Functional Specifications (7) Compound type thread cutting cycle (G76) When the thread cutting start and end points are commanded, cut at any desired angle can be made by automatic cutting so that the cut section area (cutting torque) per time becomes constant in the G76 fixed cycle.
Page 225 M700V Series Specifications Manual 12 Program Support Functions Configuration of one cycle In one cycle, 1, 2, 5, and 6 move at rapid traverse feed and 3 and 4 move at cutting feed designated in F command. When Ri is negative a°...
Page 226 MITSUBISHI CNC III Functional Specifications 12.1.3.6 Compound Type Fixed Cycle for Turning Machining (Type II) M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ Pocket shapes can be machined in the longitudinal rough cutting cycle (G71) and face rough cutting cycle (G72).
Page 227 M700V Series Specifications Manual 12 Program Support Functions 12.1.3.7 Small-diameter Deep-hole Drilling Cycle M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― In deep hole drilling, cutting and retract are repeated and the workpiece is machined multiple times. In addition, when PLC signals are input during cutting, the cutting for the time concerned is skipped.
Page 228 MITSUBISHI CNC III Functional Specifications 12.1.4 Mirror Image 12.1.4.1 Mirror Image by Parameter Setting M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ A parameter is used to designate the axis for which the mirror image function is to be executed before the machining program is run.
Page 229 M700V Series Specifications Manual 12 Program Support Functions 12.1.4.3 Mirror Image by G Code M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ― ― ― ― ― ― Using a program for the left or right side of a shape, this function can machine the other side of the shape when a left/right symmetrical shape is to be cut.
Page 230 MITSUBISHI CNC III Functional Specifications 12.1.4.4 Mirror Image for Facing Tool Posts M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ With machines in which the base tool post and facing tool post are integrated, this function enables the programs prepared for cutting at the base side to be executed by the tools on the facing side.
Page 231 M700V Series Specifications Manual 12 Program Support Functions 12.1.4.5 T Code Mirror Image for Facing Tool Posts M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ If, when tools that correspond to tool Nos. 1 to 64 are selected (T commands), these are tool Nos. for which the facing tool post mirror image function has already been designated with a parameter, the status equivalent to G68 (facing tool post mirror image ON) is established.
Page 232 MITSUBISHI CNC III Functional Specifications (2) L system G68.1 Xx1 Yy1 Rr1 ; Coordinate rotation ON G69.1 ; Coordinate rotation cancel G68.1 :Call instruction Xx1,Zz1 :Rotation center coordinates :Angle of rotation (Example) X’ Z’ (a) Actual machining shape (b) (Programmed coordinate) III - 230...
Page 233 M700V Series Specifications Manual 12 Program Support Functions 12.1.5.2 Coordinate Rotation by Parameter M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― If a deviation occurs between the workpiece alignment line and machine coordinate system's coordinate axis when the workpiece is mounted, the machine can be controlled to rotate the machining program coordinates according to the workpiece alignment line deviation.
Page 234 MITSUBISHI CNC III Functional Specifications 12.1.5.3 3-dimensional Coordinate Conversion M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― With the 3-dimensional coordinate conversion function, a new coordinate system can be defined by rotating and moving in parallel the zero point in respect to the X, Y and Z axes of the currently set workpiece coordinate system.
Page 235 M700V Series Specifications Manual 12 Program Support Functions 12.1.6 Dimension Input 12.1.6.1 Corner Chamfering/Corner R M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function executes corner processing by automatically inserting a straight line or an arc by the commanded amount between two consecutive movement blocks (G01/G02/G03).
Page 236 MITSUBISHI CNC III Functional Specifications (2) Corner chamfering / corner R II (L system) When ",C" or ",R" is commanded in a program between linear-circular, corner chamfering or corner R can be inserted between blocks. When the parameters are set, "I_", "K_", "C_" can be used to command chamfering instead of ",C", and "R_"...
Page 237 M700V Series Specifications Manual 12 Program Support Functions (d) Corner R II (Linear - circular) Example: G01 X_Z_ ,Rr1 ; G02 X_Z_ Ii1 Kk1 ; Corner R start point Hypothetical corner intersection Corner R end point (e) Corner R II (Circular - linear) Example: G03 X_Z_ Ii1 Kk1 ,Rr1 ;...
Page 238 MITSUBISHI CNC III Functional Specifications (3) Specification of corner chamfering / corner R speed E An E address can be used to specify the speed for corner chamfering or corner R. This enables a corner to be cut to a correct shape. (Example) G01 X_Z_ ,Cc1 Ff1 Ee1 ;...
Page 239 M700V Series Specifications Manual 12 Program Support Functions (4) Corner chamfering / corner R (I, K designation) With this command format, by means of parameter settings, corners are chamfered using the "I", "K" or "C" address without a comma, and corners are rounded using the "R" address.
Page 240 MITSUBISHI CNC III Functional Specifications (b) Corner R (I, K designation) Corners are rounded using the "R_" address with no comma. Corners can be rounded to any angle. Signs, if they are provided for the corner R commands, are ignored. Command format N100 Xx1/Uu1 Zz1/Ww1 Rr1 ;...
Page 241 M700V Series Specifications Manual 12 Program Support Functions 12.1.6.2 Linear Angle Command M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ The end point coordinates are automatically calculated by assigning one element (one component of the selected plane) of the end point coordinates and the linear angle.
Page 242 MITSUBISHI CNC III Functional Specifications 12.1.6.3 Geometric Command M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ○ ○ ○ ○ ○ ○ When it is difficult to find the intersection point of two straight lines with a continuous linear interpolation command, this point can be calculated automatically by programming the command for the angle of the straight lines.
Page 243 M700V Series Specifications Manual 12 Program Support Functions (1) Automatic calculation of two-arc contact When two continuous circular arcs contact with each other and it is difficult to find the contact, the contact is automatically calculated by specifying the center coordinates position or radius of the first circular arc and the end point (absolute position) and center position or radius of the second circular arc.
Page 244 MITSUBISHI CNC III Functional Specifications (3) Automatic calculation of arc-linear intersection When it is difficult to find the intersections of a given circular arc and line, the intersections are automatically calculated by programming the following blocks. Example G18 G03 Ii1 Kk1 Hh1 Ff1 ; G01 Xxc Zzc Aa1 Ff1 ;...
Page 245 M700V Series Specifications Manual 12 Program Support Functions (5) Automatic calculation of arc-linear contact When it is difficult to find the contact of a given circular arc and line, the contact is automatically calculated by programming the following blocks. Example...
Page 246 MITSUBISHI CNC III Functional Specifications 12.1.6.4 Polar Coordinate Command M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― With this function, the end point position is commanded with the radius and angle. Command format G16 ;...
Page 247 M700V Series Specifications Manual 12 Program Support Functions 12.1.7 Axis Control 12.1.7.1 Chopping 12.1.7.1.1 Chopping M720VW M730VW M750VW M720VS M730VS M750VS △ △ △ △ △ △ M system L system △ △ △ △ △ △ This function continuously raises and lowers the chopping axis independently of the program operation when workpiece contours are to be cut.
Page 248 MITSUBISHI CNC III Functional Specifications The chopping operation is initiated by setting the upper dead point position, lower dead point position and number of cycles (number of up/ down movements per minute) and pressing the chopping start switch. (a) Base position (b) Upper dead point (c) Lower dead point (d) Start...
Page 249 M700V Series Specifications Manual 12 Program Support Functions 12.1.7.2 Normal Line Control M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― This function controls the swiveling of the C axis (rotary axis) so that the tool is always pointing in the normal line direction for the X and Y axes movement commands during program operation.
Page 250 MITSUBISHI CNC III Functional Specifications 12.1.7.3 Circular Cutting M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― In circular cutting, a system of cutting steps are performed: first, the tool departs from the center of the circle, and by cutting along the inside circumference of the circle, it draws a complete circle, then it returns to the center of the circle.
Page 251 M700V Series Specifications Manual 12 Program Support Functions 12.1.8 Multi-part System Control 12.1.8.1 Timing Synchronization between Part Systems M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○...
Page 252 MITSUBISHI CNC III Functional Specifications 12.1.8.2 Start Point Designation Timing Synchronization M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The timing synchronization can be placed in the middle of the block by designating the start point. (1) Start point designation timing synchronization Type 1 (G115) Command format !Ll G115 Xx1 Zz1 Cc1 ;...
Page 253 M700V Series Specifications Manual 12 Program Support Functions (2) Start point designation timing synchronization Type 2 (G116) Command format !Ll G116 Xx1 Zz1 Cc1 ; : Timing synchronization command G116 : G command Xx1, Zz1, Cc1 : Other start point (designate own part system's coordinate position) The own part system starts first when timing synchronization is executed.
Page 254 MITSUBISHI CNC III Functional Specifications 12.1.8.3 Mixed Control (Cross Axis Control) M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ This function enables any axis to be replaced by another axis between part systems. This makes it possible to perform operations which are not possible with regular axis configurations: for instance, tools which are provided only on part system 1 can be used for machining on part system 2.
Page 255 M700V Series Specifications Manual 12 Program Support Functions 12.1.8.4 Control Axis Superimposition M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ This function enables to superimpose on and control an axis in a part system with an axis in another part system.
Page 256 MITSUBISHI CNC III Functional Specifications 12.1.8.5 Control Axis Synchronization across Part Systems M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ Synchronization control enables an arbitrary control axis in the other part system to move in synchronization with the movement command assigned to an arbitrary control axis.
Page 257 M700V Series Specifications Manual 12 Program Support Functions 12.1.8.6 Balance Cut M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ When workpiece that is relatively long and thin is machined on a lathe, deflection may result, making it impossible for the workpiece to be machined with any accuracy.
Page 258 MITSUBISHI CNC III Functional Specifications 12.1.8.7 Common Memory for Part Systems M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ For a machine with multiple part systems, the common variables and tool compensation memory which exist for each part system can be made common for all part systems by setting the parameters.
Page 259 M700V Series Specifications Manual 12 Program Support Functions 12.1.8.8 2-part System Synchronous Thread Cutting M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ The 2-part system synchronous thread cutting allows 1st part system and 2nd part system to perform thread cutting simultaneously for the same spindle.
Page 260 MITSUBISHI CNC III Functional Specifications (2) 2-part System Synchronous Thread Cutting Cycle II (G76.2) G76.2 assumes the same thread cutting, and deeply cuts in with the cutting amount using 1st part system and 2nd part system alternately. (e) (e) (e) a°...
Page 261 M700V Series Specifications Manual 12 Program Support Functions 12.1.8.9 Multi-part System Program Management M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Separate programs, used in each part system, can be managed under a common name in the multi-part system.
Page 262 MITSUBISHI CNC III Functional Specifications <Multi-part system program management VALID> M D I . . . 100.PRG 100.PRG 100.PRG 200.PRG 200.PRG 200.PRG 300.PRG 300.PRG 300.PRG . . . (a) Program management for each part system (b) Machining programs (c) Programs are managed for each part system separately. (d) Each part system can have its own program Nos.
Page 263 M700V Series Specifications Manual 12 Program Support Functions 12.1.9 Data Input by Program 12.1.9.1 Parameter Input by Program M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △...
Page 264 MITSUBISHI CNC III Functional Specifications 12.1.9.2 Compensation Data Input by Program M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ The value of the workpiece coordinate systems selected can be set or changed by program commands. The tool offset amounts, which have been set from the setting and display unit, can be input by program commands.
Page 265 M700V Series Specifications Manual 12 Program Support Functions (2) Tool compensation input The tool compensation amounts, which have been set from the setting and display unit, can be input by program commands. The command format differs between the [M system] and the [L system].
Page 266 MITSUBISHI CNC III Functional Specifications 12.1.10 Machining Modal 12.1.10.1 Tapping Mode M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When tapping mode commands are issued, the NC system is set to the following internal control modes required for tapping.
Page 267 M700V Series Specifications Manual 12 Program Support Functions 12.2 Machining Accuracy Support Functions 12.2.1 Automatic Corner Override M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ To prevent machining surface distortion due to the increase in the cutting load during cutting of corners, this function automatically applies an override on the cutting feed rate so that the cutting amount is not increased for a set time at the corner.
Page 268 MITSUBISHI CNC III Functional Specifications θ ③ ② ① (a) workpiece (b) Machining allowance (c) Tool (d) Programmed path (finished shape) (e) Workpiece surface shape (f) Tool center path θ : Max. angle at inside corner Ci : Deceleration range (IN) Operation (a) When automatic corner override is not to be applied : When the tool moves in the order of (1) ->...
Page 269 M700V Series Specifications Manual 12 Program Support Functions 12.2.2 Deceleration Check The deceleration check function leads the machine to decelerate and stop at the join between one block and another before executing the next block. This is effective to alleviate the machine shock and prevent the corner rounding when the feed rate of the control axis changes suddenly.
Page 270 MITSUBISHI CNC III Functional Specifications (3) Deceleration check system Deceleration check is a system that executes the next block only after the command deceleration check is executed as shown below, and it has been confirmed that the position error amount, including the servo system, is less than the in-position check width (designated with parameter or with ",I"...
Page 271 M700V Series Specifications Manual 12 Program Support Functions 12.2.2.3 Error Detection M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ To prevent rounding of a corner during cutting feed, the operation can be changed by turning an external signal switch ON so that the axis decelerates and stops once at the end of the block and then the next block is executed.
Page 272 MITSUBISHI CNC III Functional Specifications 12.3 High-speed and High-accuracy Functions [kBPM:k Block per Minute] 12.3.1 High-speed Machining Mode I (G05P1) Max.[kBPM] M720VW M730VW M750VW M720VS M730VS M750VS △ 16.8 △ 16.8 △ 16.8 △ 16.8 △ 16.8 △ 16.8 M system L system ―...
Page 273 M700V Series Specifications Manual 12 Program Support Functions (1) During the high-speed machining mode I, the blocks are pre-read. If the length of the block is sufficiently short in respect to the command speed, and enough to be completed with one interpolation calculation, several blocks may be combined and converted into a block length that can be completed with one interpolation.
Page 274 MITSUBISHI CNC III Functional Specifications 12.3.2 High-speed Machining Mode II (G05 P2) Max.[kBPM] M720VW M730VW M750VW M720VS M730VS M750VS M system △ 67.5 △ 168 △ 168 △ 67.5 △ 168 △ 168 L system ― ― ― ― ― ―...
Page 275 M700V Series Specifications Manual 12 Program Support Functions (1) During the high-speed machining mode II, the blocks are pre-read. If the length of the block is sufficiently short in respect to the command speed, and enough to be completed with one interpolation calculation, several blocks may be combined and converted into a block length that can be completed with one interpolation.
Page 276 MITSUBISHI CNC III Functional Specifications 12.3.3 High-speed High-accuracy Control 1 (G05.1Q1) Max.[kBPM] (1st Part System Only) M720VW M730VW M750VW M720VS M730VS M750VS M system △ 16.8 △ 33.7 △ 33.7 △ 16.8 △ 33.7 △ 33.7 L system ― ― ―...
Page 277 M700V Series Specifications Manual 12 Program Support Functions 12.3.4 High-speed High-accuracy Control 2 (G5P10000) Max.[kBPM] (Limited to 1-part System Config- uration) M720VW M730VW M750VW M720VS M730VS M750VS △ 67.5 △ 168 △ 168 △ 67.5 △ 168 △ 168 M system L system ―...
Page 278 MITSUBISHI CNC III Functional Specifications Additional functions when high-speed high-accuracy control 2 mode is ON (1) Fairing If the protruding path (zigzagging path) is shorter than the parameter setting values in the machining program generated with a CAM, etc., this function can be used to eliminate the protruding paths smaller than the setting value so that the front and back paths are smoothly connected.
Page 279 M700V Series Specifications Manual 12 Program Support Functions (3) High-speed mode corner deceleration Conventionally during high-accuracy control, if the angle is large between the adjacent blocks in the machining program, this function automatically decelerates so that the acceleration generated when passing through the corner is within the tolerable value.
Page 280 MITSUBISHI CNC III Functional Specifications 12.3.5 High-accuracy Control 1 (G61.1/G08) (1st Part System Only) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― With this function, the error caused by the accuracy in control system during machining is to be improved. In order to achieve a high-accuracy control mode, turn initial high accuracy control ON with either parameter method or G code command method.
Page 281 M700V Series Specifications Manual 12 Program Support Functions The high-accuracy control is commanded with ; There are two types of command formats which can be changed with the parameters. G61.1 Ff1 ; G61.1 : High-accuracy control mode ON : Feedrate command High-accuracy control mode is validated from the block containing the G61.1 command.
Page 282 MITSUBISHI CNC III Functional Specifications (3) Arc speed clamp During circular interpolation, even when moving at a constant speed, acceleration is generated as the advance direction constantly changes. When the arc radius is large enough compared to the commanded speed, control is carried out at the commanded speed. However, when the arc radius is relatively small, the speed is clamped so that the generated acceleration does not exceed the tolerable acceleration/deceleration speed before interpolation calculated with the parameters.
Page 283 M700V Series Specifications Manual 12 Program Support Functions (5) Feed forward control A stable servo control with an extremely small servo error can be achieved using the feed forward control characteristic to this CNC system. (a) Command during acceleration/deceleration before interpolation...
Page 284 MITSUBISHI CNC III Functional Specifications 12.3.6 High-accuracy Spline Interpolation1 (G61.2)(1st Part System Only) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― This function automatically generates spline curves that smoothly pass through rows of dots designated by a fine-segment machining program, and performs interpolation for the paths along the curves.
Page 285 M700V Series Specifications Manual 12 Program Support Functions 12.3.8 SSS Control (1st Part System Only) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― With normal high-accuracy control, because the angle between two blocks is compared with the corner...
Page 286 MITSUBISHI CNC III Functional Specifications [Features of SSS control] (1) This is valid for machining a mold with a smooth shape using a fine segment program. (2) This speed control is not easily affected by the error found in the path. (3) Even if corner deceleration is not required, the speed is clamped if the predicted acceleration is high.
Page 287 M700V Series Specifications Manual 12 Program Support Functions 12.4 Programming Support Functions 12.4.1 Playback M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ △ △ △ △ △ △ L system This function enables creation of a program while proceeding with sample machining by manual (handle or job) feed or mechanical handle feed.
Page 288 MITSUBISHI CNC III Functional Specifications III - 286...
Page 289 Machine Accuracy Compensation III - 287...
Page 290 MITSUBISHI CNC III Functional Specifications 13.1 Static Accuracy Compensation 13.1.1 Backlash Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function compensates for the error (backlash) produced when the direction of the machine system is reversed.
Page 291 M700V Series Specifications Manual 13 Machine Accuracy Compensation 13.1.2 Memory-type Pitch Error Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ The machine accuracy can be improved by compensating for the errors in the screw pitch intervals among the mechanical errors (production errors, wear, etc.) of the feed screws.
Page 292 MITSUBISHI CNC III Functional Specifications 13.1.3 Memory-type Relative Position Error Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ Machine accuracy can be improved by compensating a relative error between machine axes, such as a production error or time aging.
Page 293 M700V Series Specifications Manual 13 Machine Accuracy Compensation 13.1.4 External Machine Coordinate System Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ The coordinate system can be shifted by inputting a compensation amount from the PLC. This compensation amount will not appear on the counter (all counters including machine position).
Page 294 MITSUBISHI CNC III Functional Specifications 13.1.6 Ball Screw Thermal Expansion Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This compensates the axis feed error caused by the ball screw thermal expansion, etc. using the values set in the R register's thermal displacement compensation parameter.
Page 295 M700V Series Specifications Manual 13 Machine Accuracy Compensation (1) Conditions under which thermal displacement compensation is valid When function option is valid. When axis No. and parameter (offset, maxcmp) is set in R register. When pitch error compensation parameter is set correctly.
Page 296 MITSUBISHI CNC III Functional Specifications 13.1.7 Machine Rotation Center Error Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system ― △ △ ― △ △ L system ― ― ― ― ― ― In the machine having a rotary axis, there may be a case where the actual rotation center deviates from the programmed rotation center.
Page 297 M700V Series Specifications Manual 13 Machine Accuracy Compensation Tool rotation center error ( α 0, β 0) Δ β Δ α (a) Programmed rotation center (b) Actual rotation center Δα Error in X-axis direction Δβ Error in Y-axis direction III - 295...
Page 298 MITSUBISHI CNC III Functional Specifications 13.1.8 Position-dependent Gradually Increasing-type Backlash Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ Usually, minute bumps are generated when the machine movement direction is reversed. (Lost motion) However, due to various mechanical system factors, there may be cases where the bumps do not change in steps but gradually change after the direction reversal.
Page 299 M700V Series Specifications Manual 13 Machine Accuracy Compensation <When the bump amount does not change according to speed> F500 F1000 F2000 F5000 (a) Shapes at rising edge of bumps do not change even when the speed changes. → Bumps depend...
Page 300 MITSUBISHI CNC III Functional Specifications 13.2 Dynamic Accuracy Compensation 13.2.1 Smooth High-gain (SHG) Control M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This is a high-response and stable position control method using the servo system. This SHG control achieves an approximately three-fold position loop gain equally compared to the conventional control method.
Page 301 M700V Series Specifications Manual 13 Machine Accuracy Compensation (2) The shape error is approx. 1/9 of the conventional control. 22.5 1. 0 ( μ m) (a) Feed rate 3000mm/min. (b) Radius 50mm (c) Conventional control (d) SHG control (e) SHG control + FF (Feed forward) (f) SHG control + FF (g) Roundness error (μm)
Page 302 MITSUBISHI CNC III Functional Specifications 13.2.2 Dual Feedback M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ If the motor and machine coupling or machine system's rigidity is low (ex. large machine, etc.) when using a closed loop system, the response during acceleration/deceleration will vibrate and cause overshooting.
Page 303 M700V Series Specifications Manual 13 Machine Accuracy Compensation 13.2.3 Lost Motion Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function compensates the error in the protrusion shape caused by lost motion at the arc quadrant changeover section during circular cutting.
Page 304 MITSUBISHI CNC III Functional Specifications 13.2.6 OMR-FF M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ The OMR (Optimal Machine Response) control estimates the causes (moment of inertia, clone friction, viscosity coefficient, etc.) of the path error (error in actual tool path in respect to the path commanded with the program) by making a model of the control target.
Page 305 M700V Series Specifications Manual 13 Machine Accuracy Compensation J . s (d) Set parameters: (e) (1) Scale model time constant (f) (2) Machine system resonance frequency ωp, anti-resonance frequency ωz, attenuation rate ζ, inertia J (g) Machine system (h) F/B controller...
Page 306 MITSUBISHI CNC III Functional Specifications 13.2.7 Distance-coded Reference Position Detection M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This is the function where the scale with absolute address reference mark is used to establish the reference point in the relative position detection system.
Page 307 Automation Support Functions III - 305...
Page 308 MITSUBISHI CNC III Functional Specifications 14.1 Measurement 14.1.1 Skip 14.1.1.1 Skip M720VW M730VW M750VW M720VS M730VS M750VS △ △ △ △ △ △ M system L system △ △ △ △ △ △ When the external skip signal is input during linear interpolation with the G31 command, the machine feed is stopped immediately, the remaining distance is discarded and the commands in the next block are executed.
Page 309 M700V Series Specifications Manual 14 Automation Support Functions Command by G31 command basis for acceleration/deceleration command (R0/R1). When R0 command is issued or R command is omitted, automatic acceleration/deceleration is not performed but step acceleration/deceleration is performed after interpolation in G31 block.
Page 310 MITSUBISHI CNC III Functional Specifications 14.1.1.2 Multiple-step Skip M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function realizes skipping by designating a combination of skip signals for each skip command. (1) G31.n method This function carries out skipping by designating a combination of skip signals for each skip command (G31.1, G31.2, G31.3).
Page 311 M700V Series Specifications Manual 14 Automation Support Functions 14.1.1.4 PLC Skip M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function enables skip operations to be performed by signals which are input from the user PLC.
Page 312 MITSUBISHI CNC III Functional Specifications 14.1.1.5 Speed Change Skip M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function is used to change the feed rate or to stop the movement by inputting the skip signal during the linear interpolation.
Page 313 M700V Series Specifications Manual 14 Automation Support Functions 14.1.2 Automatic Tool Length Measurement M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function moves the tool in the direction of the tool measurement position by assigning a distance between the measurement start position to the measurement position.
Page 314 MITSUBISHI CNC III Functional Specifications At this time, the tool length compensation amount has a minus ("-") value. Example of program G28 Z0 ; T01 ; M06 T02 ; G43 G00 Z0 H01 ; G37 Z-300. R10. D2. F10 ; In this case, the distance (H01 = Za1 - z0) from the tool T01 tip to the top of the measurement sensor is calculated as the...
Page 315 M700V Series Specifications Manual 14 Automation Support Functions (2) Automatic tool length measurement (L series) This function moves the tool in the direction of the tool measurement position by commanding a distance between the measurement start position to the measurement position, it stops the tool as soon as it contacts the sensor and calculates the difference between the coordinate position when the tool has stopped and commanded coordinate position.
Page 316 MITSUBISHI CNC III Functional Specifications 14.1.3 Manual Tool Length Measurement 1 M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ Simple measurement of the tool length is done without a sensor. (1) Manual tool length measurement I [M system] When the tool is at the reference position, this function enables the distance from the tool tip to the measurement position (top of workpiece) to be measured and registered as the tool length...
Page 317 M700V Series Specifications Manual 14 Automation Support Functions (2) Manual tool length measurement I [L system] This is the function to calculate the tool length compensation amount automatically by moving the tool to the measurement point with manual feed. There are two types of measurement methods in manual tool length measurement I: the basic point method and the measurement value input method.
Page 318 MITSUBISHI CNC III Functional Specifications 14.1.4 Manual Tool Length Measurement 2 M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ (1) Manual tool length measurement II [M system] When the tool is positioned at the reference position, this function enables the distance from the reference position to the tool tip to be measured and registered as the tool length compensation amount.
Page 319 M700V Series Specifications Manual 14 Automation Support Functions (2) Manual tool length measurement II [L system] A device in which a touch sensor is built is used. Simply by causing the tool nose to touch the touch sensor in manual feed, the tool compensation amount can be calculated and stored in tool compensation amount memory.
Page 320 MITSUBISHI CNC III Functional Specifications 14.1.5 Workpiece Coordinate Offset Measurement M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ The external workpiece coordinate offset data for the Z axis can be set by cutting the workpiece face by means of manual operations and inputting the workpiece measurement signal.
Page 321 M700V Series Specifications Manual 14 Automation Support Functions 14.1.6 Workpiece Position Measurement M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― The workpiece position measurement function is used to measure each axis' coordinate point by installing a sensor on the spindle and the sensor contacting the workpiece with the manual feed or handle feed.
Page 322 MITSUBISHI CNC III Functional Specifications (2) Hole center workpiece offset measurement The measurement position coordinates of two axes (X, Y) are measured at three points, and the hole center is calculated. The calculated result is set in the specified workpiece coordinate offset. The workpiece position measurement coordinates are calculated from the skip machine position of the X and Y axes.
Page 323 M700V Series Specifications Manual 14 Automation Support Functions (3) Width center workpiece offset measurement The two points among the measurement position coordinate of the X axis, Y axis or Z axis are measured, and each axis' groove center is calculated. The calculated result is set in the specified workpiece coordinate offset.
Page 324 MITSUBISHI CNC III Functional Specifications 14.2 Tool Life Management 14.2.1 Tool Life Management 14.2.1.1 Tool Life Management I M720VW M730VW M750VW M720VS M730VS M750VS △ △ △ △ △ △ M system L system △ △ △ △ △ △ (1) M system For the user PLC designated tool, that tool's usage time (0 to 4000 hours) or frequency of use (0 to 65000 times) is accumulated, and the tool usage state is monitored.The life of up to 1000 tools...
Page 325 M700V Series Specifications Manual 14 Automation Support Functions 14.2.1.2 Tool Life Management II M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ (1) M system A spare tool change function is added to tool life management I. This function selects a usable tool out of the spare tools of the group determined by the value specified by the user PLC, then outputs data of such usable spare tool.
Page 326 MITSUBISHI CNC III Functional Specifications 14.2.2 Number of Tool Life Management Sets The number of tools that can be managed for their lives are shown below. [M system] Common for part systems or 1-part Independent for systems and Function name system multi-part system Number of tool life management tools...
Page 327 M700V Series Specifications Manual 14 Automation Support Functions 14.2.2.1 80 Sets M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ 14.2.2.2 200 Sets M720VW M730VW M750VW M720VS...
Page 328 MITSUBISHI CNC III Functional Specifications 14.3 Others 14.3.1 Programmable Current Limitation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function allows the current limit value of the NC axis to be changed to a desired value in the program, and is used for the workpiece stopper, etc.
Page 329 M700V Series Specifications Manual 14 Automation Support Functions 14.3.2 Auto Power OFF M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Auto power OFF function notifies that the control unit's power can be turned OFF after shutting the display unit down by entering "automatic power OFF request"...
Page 330 MITSUBISHI CNC III Functional Specifications III - 328...
Page 331 Safety and Maintenance III - 329...
Page 332 MITSUBISHI CNC III Functional Specifications 15.1 Safety Switches 15.1.1 Emergency Stop M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ All operations are stopped by the emergency stop signal input and, at the same time, the drive section is stopped and the movement of the machine is stopped.
Page 333 M700V Series Specifications Manual 15 Safety and Maintenance 15.2 Display for Ensuring Safety 15.2.1 NC Warning M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The warnings which are output by the NC system are listed below. When one of these warnings has occurred, a warning number is output to the PLC and a description of the warning appears on the screen.
Page 334 MITSUBISHI CNC III Functional Specifications 15.2.3 Operation Stop Cause M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The stop cause of automatic operation is displayed on the setting and display unit. 15.2.4 Emergency Stop Cause M720VW M730VW...
Page 335 M700V Series Specifications Manual 15 Safety and Maintenance 15.2.5 Thermal Detection M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When overheating is detected in the control unit, an overheat signal is output at the same time as the alarm is displayed.
Page 336 MITSUBISHI CNC III Functional Specifications 15.2.6 Battery Alarm/Warning M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When it is time for changing batteries, alarm or warning is displayed. When a warning is displayed, immediately backup all the necessary data and change batteries.
Page 337 M700V Series Specifications Manual 15 Safety and Maintenance 15.3 Protection 15.3.1 Stroke End (Over Travel) M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When limit switches and dogs have been attached to the machine and a limit switch has kicked a dog, the movement of the machine is stopped by the signal input from the limit switch.
Page 338 MITSUBISHI CNC III Functional Specifications 15.3.2.1 Stored Stroke Limit I/II M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ (1) Stored Stroke Limit I This is the stroke limit function used by the machine tool builder, and the area outside the set limits is the entrance prohibited area.
Page 339 M700V Series Specifications Manual 15 Safety and Maintenance (2) Stored Stroke Limit II This is the stroke limit function which can be set by the user, and the area outside the set limits is the prohibited area. The maximum and minimum values for each axis can be set by parameters. The function itself is used together with the stored stroke limit I function described in the foregoing section, and the tolerable area of both functions is the movement valid range.
Page 340 MITSUBISHI CNC III Functional Specifications 15.3.2.2 Stored Stroke Limit IB M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ Three areas where tool entry is prohibited can be set using the stored stroke limit I, stored stroke limit II, IIB and stored stroke limit IB functions.
Page 341 M700V Series Specifications Manual 15 Safety and Maintenance 15.3.2.3 Stored Stroke Limit IIB M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ A parameter is used to switch between this function and stored stroke limit II. With stored stroke limit IIB, the range inside the boundaries which have been set serves as the tool entry prohibited area.
Page 342 MITSUBISHI CNC III Functional Specifications 15.3.3 Stroke Check before Travel M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― By commanding, from the program, the boundary for prohibiting machine entry as a coordinate position on the machine coordinate system, entry into the inner side of that boundary can be prohibited.
Page 343 M700V Series Specifications Manual 15 Safety and Maintenance 15.3.4 Chuck/Tailstock Barrier Check M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system ○ ○ ○ ○ ○ ○ By limiting the tool nose point move range, this function prevents the tool from colliding with the chuck or tailstock because of a programming error.
Page 344 MITSUBISHI CNC III Functional Specifications 15.3.5 Interlock M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The machine movement will decelerate and stop as soon as the interlock signal, serving as the external input, is turned ON.
Page 345 M700V Series Specifications Manual 15 Safety and Maintenance 15.3.8 3D Machine Interference Check M720VW M730VW M750VW M720VS M730VS M750VS M system ― ☆ ☆ ― ― ― L system ― ― ― ― ― ― Under development. III - 343...
Page 346 MITSUBISHI CNC III Functional Specifications 15.3.9 Door Interlock 15.3.9.1 Door Interlock I M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ (Outline of function) Under the CE marking scheme of the European safety standards (machine directive), the opening of any protection doors while a machine is actually moving is prohibited.
Page 347 M700V Series Specifications Manual 15 Safety and Maintenance 15.3.9.2 Door Interlock II M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Outline of function Under the CE marking scheme of the European safety standards (machine directive), the opening of any protection doors while a machine is actually moving is prohibited.
Page 348 MITSUBISHI CNC III Functional Specifications Differences from door interlock I (1) The method used to stop the machine during automatic operation is the same as with the axis interlock function. (2) The servo ready finish signal (SE) is not set to OFF. (3) Automatic start is valid during door interlock.
Page 349 M700V Series Specifications Manual 15 Safety and Maintenance 15.3.12 Program Display Lock M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function allows the display of only a target program (label address 9000) to be invalidated for the program display in the monitor screen, etc.
Page 350 MITSUBISHI CNC III Functional Specifications 15.3.13 Safety Observation M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ With the safety observation function, safety access to the working part of the machine without shutting the power is possible, which means that adjustment and preparation can be done during the machine working, and so the period of time until restarting the machine can be shortened.
Page 351 M700V Series Specifications Manual 15 Safety and Maintenance 15.4 Maintenance and Troubleshooting 15.4.1 Operation History M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This is a maintenance function which is useful for tracing down the history and NC operation information and analyzing trouble, etc.
Page 352 MITSUBISHI CNC III Functional Specifications 15.4.3 NC Data Backup M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The NC data back up function backs up the NC parameters, etc., on an HD or IC card. The data can also be restored.
Page 353 With the machine builder network system, using the software for personal computer "MELDAS remote diagnosis tool kit" which Mitsubishi Electric Corporation sells separately to machine builders, NC is connected with the personal computer of the machine builder by the communication circuit, and the diagnosis data file required for the service is transmitted and received.
Page 354 MITSUBISHI CNC III Functional Specifications 15.4.5 Servo Automatic Tuning M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ With this function, the servo parameters can be automatically adjusted by connecting CNC and MS Configurator, which is an application that runs on a regular PC.
Page 355 M700V Series Specifications Manual 15 Safety and Maintenance MS Configurator supports the following servo parameter automatic adjustment function and data measurement function. <Waveform measurement function> Frequency response Measures the frequency response (speed command - speed FB) of speed loop for the measurement designated axis.
Page 356 MITSUBISHI CNC III Functional Specifications 15.4.7 System Setup M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ System setup function enables automatic settings for the NC's initial startup just by inputting the minimally required items.
Page 357 M700V Series Specifications Manual 15 Safety and Maintenance 15.4.11 Application Error Detection M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ― ― ― L system ○ ○ ○ ― ― ― Application error detection function observes applications such as MITSUBISHI standard screen or custom screen.
Page 358 MITSUBISHI CNC III Functional Specifications III - 356...
Page 359 Drive System III - 357...
Page 360 MITSUBISHI CNC III Functional Specifications 16.1 Servo/Spindle Refer to the following manuals for details on the servo and spindle system. DRIVE SYSTEM DATA BOOK (IB-1500273(ENG)) MDS-D/DH Series Specifications Manual (IB-1500875(ENG)) MDS-D-SVJ3/SPJ3 Series Specifications Manual (IB-1500158(ENG)) MDS-DM Series Specifications Manual (IB-1500891(ENG)) 16.1.1 Feed Axis 16.1.1.1 MDS-D-V1/D-V2 (200V) 16.1.1.1.1 Servo motor: HF**-A48 (260kp/rev)
Page 361 M700V Series Specifications Manual 16 Drive System 16.1.1.2 MDS-DH-V1/DH-V2 (400V) 16.1.1.2.1 Servo motor: HF**-A48 (260kp/rev) M720VW M730VW M750VW M720VS M730VS M750VS M system □ □ □ □ □ □ L system □ □ □ □ □ □ 16.1.1.2.2 Servo motor: HF-H**-A51 (1000kp/rev)
Page 362 MITSUBISHI CNC III Functional Specifications 16.1.1.3 MDS-D-SVJ3 (200V) 16.1.1.3.1 Servo motor: HF**-A48 (260kp/rev) M720VW M730VW M750VW M720VS M730VS M750VS M system □ □ □ □ □ □ L system □ □ □ □ □ □ 16.1.1.3.2 Servo motor: HF**-A51 (1000kp/rev) M720VW M730VW M750VW...
Page 363 M700V Series Specifications Manual 16 Drive System 16.1.2 Spindle 16.1.2.1 MDS-D-SP (200V) M720VW M730VW M750VW M720VS M730VS M750VS M system □ □ □ □ □ □ L system □ □ □ □ □ □ 16.1.2.2 MDS-DH-SP (400V) M720VW M730VW M750VW...
Page 364 MITSUBISHI CNC III Functional Specifications 16.1.3 Auxiliary Axis 16.1.3.1 Index/Positioning Servo : MR-J2-CT M720VW M730VW M750VW M720VS M730VS M750VS M system □ □ □ ― ― ― L system □ □ □ ― ― ― 16.1.3.1.1 Servo motor : HC-SF/HC-RF (16 kp/rev) M720VW M730VW M750VW...
Page 365 M700V Series Specifications Manual 16 Drive System 16.1.4 Power Supply 16.1.4.1 Power Supply : MDS-D-CV (200V) M720VW M730VW M750VW M720VS M730VS M750VS M system □ □ □ □ □ □ L system □ □ □ □ □ □ 16.1.4.2 Power Supply : MDS-DH-CV (400V)
Page 366 MITSUBISHI CNC III Functional Specifications III - 364...
Page 367 Machine Support Functions III - 365...
Page 368 MITSUBISHI CNC III Functional Specifications 17.1 PLC 17.1.1 Built-in PLC Processing Mode M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ An exclusive sequence program that controls the various signals between the controller and machine to realize operation applicable to each machine can be created and built in.
Page 369 M700V Series Specifications Manual 17 Machine Support Functions 17.1.2.2 PLC Exclusive Instruction M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ PLC dedicated instruction is provided for certain limited applications, enabling a complex machining process, which is difficult to carry out only by the basic instructions and function instructions.
Page 370 MITSUBISHI CNC III Functional Specifications (2) Rotary body control instruction (ROT) This is an instruction to determine the rotary body's target position or rotation direction, or to function as a ring counter. This is used when calculating the rotation direction or number of index steps of the magazine or turret based on the output data figured from ATC dedicated instruction tool No.
Page 371 M700V Series Specifications Manual 17 Machine Support Functions (1) Devices The table below lists the devices which can be used by the PLC. (PLC4B) Device Device No. Unit Details X0 to X1FFF (8192 points) 1 bit Input signal to PLC: Machine input, etc.
Page 372 MITSUBISHI CNC III Functional Specifications (3) External key input By inputting the key data from the built-in PLC, the same operation as when the operator operates the operation board can be done. (4) Real spindle speed output The real spindle speed is converted by the signals of the encoder installed on the spindle and is output to the PLC.
Page 373 M700V Series Specifications Manual 17 Machine Support Functions 17.1.3 PLC Support Functions 17.1.3.1 Alarm Message Display M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The contents of the alarms which have occurred during sequence (user PLC) processing can be displayed on the setting and display unit.
Page 374 MITSUBISHI CNC III Functional Specifications 17.1.3.3 Memory Switch (PLC Switch) 17.1.3.3.1 PLC Switch 32 Points M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ 32 points of PLC switches can be set on the setting and display unit screen, and the ON/OFF control executed.
Page 375 M700V Series Specifications Manual 17 Machine Support Functions 17.1.3.6 Multi-ladder Program Register and Execution M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Up to 20 sequence programs can be registered. Only one execution type can be set in one program. The following five execution types are available - "Initial"...
Page 376 Refer to the "Hardware Specifications" in the "General Specifications" for details. With the Mitsubishi CNC M700V Series, if an operation panel I/O unit is mounted, up to three channels can be used for the remote type machine contact input, and up to three channels can be used for the handled.
Page 377 ○ On-board refers generically to the PLC related operations carried out with the CNC unit. The Mitsubishi CNC M700V Series on-board realizes functions and operations similar to the MELSEC Series ladder development tool (GX Developer). This improves the user's ladder editing operations, and provides an easy-to-use onboard with powerful ladder monitoring functions.
Page 378 MITSUBISHI CNC III Functional Specifications 17.1.10 Pallet Program Registration M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― Pallet program function allows machining program to be registered for each pallet of the auto pallet changer (hereinafter referred to as APC) and assists in the machining setups.
Page 379 M700V Series Specifications Manual 17 Machine Support Functions 17.2 Machine Construction 17.2.1 Servo OFF M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ When the servo OFF signal (per axis) is input, the corresponding axis is set in the servo OFF state.
Page 380 MITSUBISHI CNC III Functional Specifications 17.2.2 Axis Detachment M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function enables the control axis to be freed from control. Conversely, an axis which has been freed from control can be returned to the control status.
Page 381 M700V Series Specifications Manual 17 Machine Support Functions 17.2.3 Synchronous Control M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ The synchronous control is a control method that both master and slave axes are controlled with the same movement command by designated the movement command for the master axis also to the slave axis.
Page 382 MITSUBISHI CNC III Functional Specifications (1) Synchronous control mode The following two operation methods are available in the synchronous control mode. Synchronous operation This is a method that both master and slave axes are moved simultaneously with the movement command for the master axis. (a) Machining program (b) CNC system (c) Axis motor...
Page 383 M700V Series Specifications Manual 17 Machine Support Functions (b) Independent operation This is a method that either the master or slave axis is moved with the movement command for the master axis. (a) Machining program (b) CNC system (c) Axis motor...
Page 384 MITSUBISHI CNC III Functional Specifications 17.2.4 Inclined Axis Control M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― ― ― ― ― L system △ △ △ △ △ △ Even when the control axes configuring that machine are mounted at an angle other than 90 degrees, this function enables it to be controlled by the same program as that for an orthogonal axis.
Page 385 M700V Series Specifications Manual 17 Machine Support Functions 17.2.5 Position Switch M720VW M730VW M750VW M720VS M730VS M750VS M system ○ 24 ○ 24 ○ 24 ○ 24 ○ 24 ○ 24 L system ○ 24 ○ 24 ○ 24 ○ 24 ○...
Page 386 MITSUBISHI CNC III Functional Specifications 17.2.7 Index Table Indexing M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The indexing of the index table can be performed by setting the index axes. Programming is facilitated because, in terms of the index commands, only the indexing angle need to be designated using the address of the programmed axis serving as the index setting axis, and there is no need to designate special M codes for clamping and unclamping the table.
Page 387 M700V Series Specifications Manual 17 Machine Support Functions 17.2.8 Auxiliary Axis Control (J2-CT) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ ― ― ― L system △ △ △ ― ― ― The MR-J2-CT drive unit for positioning and indexing can be connected for auxiliary axis control.
Page 388 MITSUBISHI CNC III Functional Specifications 17.2.9 Tool Length Compensation along the Tool Axis M720VW M730VW M750VW M720VS M730VS M750VS M system ― △ △ ― △ △ L system ― ― ― ― ― ― (1) Changing the tool length compensation in tool axis direction and compensation amount Even if the tool axis direction is not the Z axis direction because the rotary axis is rotated, the tool can be compensated in the tool axis direction.
Page 389 M700V Series Specifications Manual 17 Machine Support Functions 17.2.10 Tool Handle Feed & Interruption M720VW M730VW M750VW M720VS M730VS M750VS M system ― △ △ ― △ △ L system ― ― ― ― ― ― The tool handle feed & interrupt function makes it possible to move the axis with the manual pulse generator in the tool axis direction, tool diameter direction X and tool diameter direction Y within the hypothetical coordinate system over the tool axis.
Page 390 MITSUBISHI CNC III Functional Specifications 17.2.12 Tool Center Point Control M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― △ ― ― △ L system ― ― ― ― ― ― The tool center point control function controls so that the position command in the machining program is at the tool center point on the coordinate system (table coordinate system) which rotates together with the workpiece.
Page 391 M700V Series Specifications Manual 17 Machine Support Functions Z(+) Z(+) X(+) X(+) B(-) X'(+) B(-) Z''(+) X''(+) (a) <Table tilt type> (b) When tool center point control is OFF and tool length compensation along tool axis is ON (c) Controls so that the holder center point is at the workpiece coordinate system's position.
Page 392 MITSUBISHI CNC III Functional Specifications Z(+) Z(+) X(+) Z'(+) X(+) B(-) X'(+) B(-) Z''(+) X''(+) (a) <Compound type> (b) When tool center point control is OFF and tool length compensation along tool axis is ON (c) Controls so that the holder center point is at the workpiece coordinate system's position. (d) When tool center point control is ON (e) Controls so that the tool center point is at the table coordinate system's position.
Page 393 M700V Series Specifications Manual 17 Machine Support Functions 17.2.13 Inclined Surface Machining Command M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system ― ― ― ― ― ― This function is to define the new coordinate system (called the "feature coordinate system") which was created by rotation and reference position translation of the X, Y, Z axes of the original one (before the inclined surface machining command was applied).
Page 394 MITSUBISHI CNC III Functional Specifications This function is compatible with the following types of machine. Type Tool tilt type Table tilt type Compound type Two rotary axes on the tool One rotary axis on each of Two rotary axes on the table side Description side the tool side and table side...
Page 395 M700V Series Specifications Manual 17 Machine Support Functions 17.2.14 Tool Radius Compensation for 5-axis Machining M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― △ ― ― △ L system ― ― ― ― ― ― This function is to compensate the tool radius of the 5-axis machine with two rotary axes, in accordance with the change of the workpiece direction and inclination of the tool due to the movement of the rotary axis.
Page 396 MITSUBISHI CNC III Functional Specifications 17.2.15 Workpiece Installation Error Compensation M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― △ ― ― △ L system ― ― ― ― ― ― This function is for the 5-axis machine. This compensates the error when a workpiece is placed off the workpiece coordinate system to enable machining according to the program.
Page 397 M700V Series Specifications Manual 17 Machine Support Functions 17.2.16 Manual Feed for 5-axis Machining M720VW M730VW M750VW M720VS M730VS M750VS M system ― ― △ ― ― △ L system ― ― ― ― ― ― By selecting the hypothetical coordinate system to be machined, axis can be moved with manual feed (JOG, HANDLE or INCREMENTAL) in the coordinate system with this function.
Page 398 MITSUBISHI CNC III Functional Specifications 17.3 PLC Operation 17.3.1 Arbitrary Feed in Manual Mode M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ This function enables the feed directions and feed rates of the control axes to be controlled using commands from the user PLC.
Page 399 M700V Series Specifications Manual 17 Machine Support Functions Oblique linear interpolation - x' - y' These are set in the R registers. a : Gradient angle x,y : Basic point coordinate ±x' : X' travel range ±y' : Y' travel range...
Page 400 MITSUBISHI CNC III Functional Specifications (2) Circular interpolation By specifying a hypothetical coordinate on the machine coordinate as shown in the figure below, jog/handle feed can be executed on the hypothetical coordinate. - Y' - y' - X' These are set in the R registers. x1, y1 : Basic point coordinate x2, y2 : Arc center coordinate ±x' : X' travel range...
Page 401 M700V Series Specifications Manual 17 Machine Support Functions 17.3.3 PLC Axis Control M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ Over and above the NC control axes, this function enables axes to be controlled independently by commands based on the PLC.
Page 402 MITSUBISHI CNC III Functional Specifications 17.3.5 PLC Axis Indexing M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ This function is used to move the PLC axis to the position (station) registered on the table. The destination (station) can be determined by equally dividing the valid axis stroke or by using an arbitrary coordinate that has been stored in advance.
Page 403 M700V Series Specifications Manual 17 Machine Support Functions (3) Operation functions The following operation modes are available. Send a command from PLC to change the operation mode. The axis is positioned at the station No. designated by the start signal. When the start signal has turned OFF before the positioning is completed, the axis is positioned at the nearest station position.
Page 404 MITSUBISHI CNC III Functional Specifications 17.4 PLC Interface 17.4.1 CNC Control Signal M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ Control commands to the CNC system are assigned from the PLC. Input signals with an A/D conversion function and skip inputs that respond at high speed can also be used.
Page 405 M700V Series Specifications Manual 17 Machine Support Functions 17.4.2 CNC Status Signal M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ The status signals are output from the CNC system. They can be utilized by referencing them from the PLC.
Page 406 MITSUBISHI CNC III Functional Specifications (8) In tapping The "In tapping" signal is output when the command now being executed is in a tapping modal which means that one of the statuses below is entered during automatic operation. (a) G84, G88 (fixed cycle: tapping cycle) (b) G84.1, G88.1 (fixed cycle: reverse tapping cycle) (c) G63 (tapping mode) (9) In thread cutting...
Page 407 M700V Series Specifications Manual 17 Machine Support Functions (15) Movement command finish In the memory or MDI automatic operation, the "Movement command finish" signal is output when the command block in the machining program features a movement command and when that block command has been completed.
Page 408 MITSUBISHI CNC III Functional Specifications (a) <Reading> (b) <Writing> (c) Operation status (d) Axis information (e) Parameters (f) Tool data (g) R register (user area) (h) Read window Read control window Read data window (k) Designate arbitrary position with parameter (R register) Write window (m) Write control window (n) Write data window...
Page 409 M700V Series Specifications Manual 17 Machine Support Functions 17.5 Machine Contact I/O 17.5.1 Additional DI/DO (DI: 32/DO: 32) M720VW M730VW M750VW M720VS M730VS M750VS M system □ □ □ □ □ □ L system □ □ □ □ □ □...
Page 410 MITSUBISHI CNC III Functional Specifications <Connection of M700VW> HN232 Card （Placed on the back of the panel A） When directly supplying the power Only when relaying the power G071 DC24V DCOUT RIOIN F070 DCIN DC24V Operation panel I/O unit SUBP F070 KEYSW G054...
Page 411 M700V Series Specifications Manual 17 Machine Support Functions 17.6 External PLC Link 17.6.3 CC-Link (Master/Slave) M720VW M730VW M750VW M720VS M730VS M750VS □ □ □ □ □ □ (when HN576/ (when HN576/ (when HN576/ M system (when HN746 (when HN746 (when HN746...
Page 412 MITSUBISHI CNC III Functional Specifications Outline drawing CC-Link (a) Master station (NC unit) (b) or (c) Sequencer CPU (d) Master station (e) Remote I/O station (f) Remote device station (g) Local station (h) Local station (NC unit) (i) Partner manufacturer product This station controls the remote station and local station.
Page 413 M700V Series Specifications Manual 17 Machine Support Functions (3) Performance specifications M700V Series is compliant with CC-Link Ver.2.00. <CC-Link Ver.2.00 specification> Item CC-Link master/local unit Remote input/output (RX,RY) 8192 points each Remote register (RWw) 2048 points Max. number of link points per (Master St.
Page 414 MITSUBISHI CNC III Functional Specifications Item CC-Link master/local unit 64 units Note that the following two conditions must be satisfied. Condition 1: - (a+a2+a4+a8)+(b+b2+b4+b8) × 2+(c+c2+c4+c8) × 3+(d+d2+d4+d8) × 4 ≦ 64 - (a × 32+a2 × 32+a4 × 64+a8 × 128)+(b × 64+b2 × 96+b4 × 192+b8 × 384)+(c × 96+c2 × 160+c4 ×...
Page 415 M700V Series Specifications Manual 17 Machine Support Functions (4) Usable functions Of all the CC-Link functions, the following functions can be used with the NC. ( ○ : Available ×: Not available － : Not relevant) MELSEC NC unit Function item Master station Local station Master station Local station Ver.1.00...
Page 416 MITSUBISHI CNC III Functional Specifications … … … … … … … … … … … … … … … … … … … … III - 414...
Page 417 M700V Series Specifications Manual 17 Machine Support Functions (a) Devices (b) X device, etc. (c) Built-in PLC (d) Y device, etc. (e) R register, etc. (f) NC (Master station) (g) Local station (h) Remote device station (i) Remote I/O station...
Page 418 MITSUBISHI CNC III Functional Specifications 17.6.4 PROFIBUS-DP (Master) M720VW M730VW M750VW M720VS M730VS M750VS □ □ □ M system (when HN571 (when HN571 (when HN571 ― ― ― is installed) is installed) is installed) □ □ □ L system (when HN571 (when HN571 (when HN571 ―...
Page 419 M700V Series Specifications Manual 17 Machine Support Functions 17.6.5 DeviceNet (Master) M720VW M730VW M750VW M720VS M730VS M750VS □ □ □ M system ― ― ― (when HN747 (when HN747 (when HN747 is installed) is installed) is installed) □ □ □...
Page 420 MITSUBISHI CNC III Functional Specifications 17.7 Installing S/W for Machine Tools 17.7.1 Customization (NC Designer) M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ Custom release is an optional function and allows the user-original window to display as an HMI screen or another application.
Page 421 M700V Series Specifications Manual 17 Machine Support Functions 17.7.1.1 Customization Data Storage Capacity [MByte] M720VW M730VW M750VW M720VS M730VS M750VS Depending on Depending on Depending on M system hard disk hard disk hard disk space space space Depending on Depending on...
Page 422 MITSUBISHI CNC III Functional Specifications 17.7.4 APLC Release M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ (Note) The separate software is required. APLC (Advanced Programmable Logic Controller) release is a function that allows the user-generated C language module to be called from NC.
Page 423 M700V Series Specifications Manual 17 Machine Support Functions 17.7.5 Custom API Library M720VW M730VW M750VW M720VS M730VS M750VS M system ○ ○ ○ ○ ○ ○ L system ○ ○ ○ ○ ○ ○ (Note) The separate software is required.
Page 424 MITSUBISHI CNC III Functional Specifications 17.8 Others 17.8.1 System Lock M720VW M730VW M750VW M720VS M730VS M750VS M system △ △ △ △ △ △ L system △ △ △ △ △ △ With this function, when release code is not input before the specified deadline, SA (servo ready completed) is forcibly set to OFF.
Page 425 Revision History Date of Manual No. Revision details revision Nov. 2008 IB(NA)1500916-A First edition created. The descriptions of M700VW Series were added to “General Specifications” The following sections were added to“Functional Specifications”. - 1.3.4.1 CF Card in Control Unit - 1.3.6 Hard Disk Mode - 6.1.3 Color display (10.4-type LCD TFT/WindowsXPe) - 6.1.5 Color touch-panel display (10.4-type LCD TFT/WIndowsXPe) - 6.1.7 Color touch-panel display (15-type LCD TFT/WindowsXPe)
Page 426 (Continued from the previous page) - 17.6.5 DeviceNet(Master) - 17.6.6 FL-net - 17.8.3 Automatic Operation Lock Other contents were added/revised/deleted according to specification.
Page 428 Global Service Network AMERICA EUROPE MITSUBISHI ELECTRIC AUTOMATION INC. (AMERICA FA CENTER) MITSUBISHI ELECTRIC EUROPE B.V. (EUROPE FA CENTER) Central Region Service Center GOTHAER STRASSE 10, 40880 RATINGEN, GERMANY 500 CORPORATE WOODS PARKWAY, VERNON HILLS, ILLINOIS 60061, U.S.A. TEL: +49-2102-486-0 / FAX: +49-2102-486-5910...
Page 429 MITSUBISHI ELECTRIC AUTOMATION (CHINA) LTD. (CHINA FA CENTER) Singapore Service Center China (Shanghai) Service Center 307 ALEXANDRA ROAD #05-01/02 MITSUBISHI ELECTRIC BUILDING SINGAPORE 159943 1-3,5-10,18-23/F, NO.1386 HONG QIAO ROAD, CHANG NING QU, TEL: +65-6473-2308 / FAX: +65-6476-7439 SHANGHAI 200336, CHINA...
Page 430 Every effort has been made to keep up with software and hardware revisions in the contents described in this manual. However, please understand that in some unavoidable cases simultaneous revision is not possible. Please contact your Mitsubishi Electric dealer with any questions or comments regarding the use of this product. Duplication Prohibited This manual may not be reproduced in any form, in part or in whole, without written permission from Mitsubishi Electric Corporation.

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