L979 Zo Determination In Slot (At Random Angles) - Siemens SINUMERIK 840 User Manual

5 Measuring Cycles for Milling Machines and Machining Centres

5.3.7 L979 ZO determination in slot (at random angles)

5.3.7 L979 ZO determination in slot (at random angles)
The following parameters must be defined prior to call:
Parameters Description
R10 = 0 No automatic ZO entry
= 1...4 Automatic ZO entry in ZO G54...G57
= 5 Automatic ZO entry in ZO G58
R13 = 0...359.5 Compensation angle position for monodirectional probe (see Section 2.5)
R13 = 0/-360 Positioning direction of spindle with multidirectional probe and
MDC 7004.0=1
R20 Centre point abscissa (in relation to workpiece zero point)
R21 Centre point ordinate (in relation to workpiece zero point)
R22 Probe type/probe number
R23 = 31 ZO determination in slot
R24 = 0...359.5 Start angle (from the abscissa (horizontal axis))
R25 Variable measuring speed in mm/min
R25 = 0 Standard cycle value
R27 = 1...R Number of measurements at same location (typically 1..3)
max
R28 = 1...R Multiplication factor for measurement path "2a"
max
R32 Set value slot width
R36 Safe area (centre point coordinate)
See Section 10.2 for result display parameters.
Example: ZO determination in slot with measuring cycle L979
(Data as in Fig. 5.24)
%MPF 9797
N5 G54 T200
N10 G00 X150 Y175
N15 Z40 D99
N20 R10=1 R20=150
R23=31 R24=70
R28=1 R32=100
N25 L979
N30 G00 Z160
:
Machining centre program
:
:
N... M30
5–62
R21=130 R22=1
R25=0 R27=1
R36=1
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Siemens AG 1990 All Rights Reserved
T number probe; select ZO
Position probe in X and
Y axes near P1
Position Z axis level with P1
Define parameters for measuring cycle
Cycle call for ZO determination in X/Y
Withdraw Z axis
6FC5197- AB70
SINUMERIK 840/850/880 (BN)
08.96