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BAYKAL APH Series User Manual

Hydraulic press brake
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BAYKAL
USER'S MANUAL
HYDRAULIC PRESS BRAKE
No part of this User's Manual may be reproduced or transmitted by any without Prior permission of Baykal
Makine Sanayi ve Ticaret A.Ş.
EDITION NO
:
APH
DATE OF ISSUE :
July-2005
MODEL APH
SECTION
PAGE
:
:
1

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Hanif
February 17, 2025

Food switch push the blead come down but not going up auto

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1 comments:
Mr. Anderson
February 17, 2025

The foot switch on the BAYKAL APH Series may not be allowing the blade to go up automatically because the beam is set to stop at the "Upper Limit" instead of the "Upper Dead Point (UDP)." According to the manual, after each bending cycle, the beam can be adjusted to stop at the Upper Limit rather than the UDP to save time. If the foot switch is pressed after bending, the beam will only go to the Upper Dead Point if configured accordingly.

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Otabek
April 10, 2025

Листогиб на 120 тонн не гнет листы толщиной 4 мм. В чем причина?

0
1 comments:
Mr. Anderson
April 10, 2025

The BAYKAL APH Series 120-ton press brake may not be bending 4 mm thick sheets because the material specification is harder than St.42. Even if the correct vee is selected, harder materials require a wider vee to be formed properly.

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Summary of Contents for BAYKAL APH Series

  • Page 1 BAYKAL USER’S MANUAL HYDRAULIC PRESS BRAKE MODEL APH No part of this User‘s Manual may be reproduced or transmitted by any without Prior permission of Baykal Makine Sanayi ve Ticaret A.Ş. EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 2 BAYKAL MACHINE TYPE DESCRIPTION APH XXXXX-xx SUPPLY STANDARD CONTROLLER HYDRAULIC BLOCK ACCESSORIES VOLTAGE C – CE 1 – 220 1 -- ELGO 8822 1 – FISSLER AKAS S – STAND. 2 – 230 2 – SICK LIGHT GUARD 3 – 240 3 –...
  • Page 3 BAYKAL ! ATTENTION PUMP ROTATION MUST BE IN ARROW DIRECTION, OTHERWISE THE PUMP WILL BE DAMAGED ″ ″ CHECK THE MOTOR ROTATION BY PUSHING THE GREEN START, AND IMMEDIATELY AFTER, THE (RED) STOP BUTTONS ON THE ELECTRICAL PANEL. THE MOTOR MUST BE ROTATING IN THE ″...
  • Page 4 BAYKAL INFORMATION AND WARNING LABELS DESIGNATION PLATE Manufacturer BAYKAL Mak. San. Tic. A.Ş. Bursa / TÜRKİYE Machine Hydraulic Press Brake Type Model Serial No Capacity Bending length Main voltage V/Hz/Ph Motor Power System Pressure Min stroke Max stroke Machine weight...
  • Page 5 BAYKAL C O N T E N T S: GENERAL MACHINE INFORMATION 1.1. Registered trademark 1.2. Machine type 1.3. Serial number 1.4. Year of manufacturer 1.5. Address of the manufacturer 1.6. Address of the authorized dealer IMPORTANT INFORMATION 2.1. Safety features of your Press Brake 2.2.
  • Page 6 BAYKAL TROUBLESHOOTING BENDING CHART FOLDING FACILITIES PRINCIPLES OF PRESS BRAKE BENDING TECHNOLOGY APPENDIX SPARE PARTS LIST HYDRAULIC CIRCUIT DIAGRAM ELECTRIC CIRCUIT DIAGRAM ADDITIONAL MANUALS ELGO P8822 Operating Manuel AKAS Laser guard User Manuel Wila Centrally Adjustable Crowning System (CVB/D)(Optional) EDITION NO...
  • Page 7 : BAYKAL 1.2. Machine type : APH 1.3. Serial number 1.4. Year of manufacture 1.5. Address of manufacturer: BAYKAL MAKİNE SAN. TİC. A.Ş. Organize Sanayi Bölgesi Yeşil Cad. No:24 BURSA - TURKEY 1.6. Address of the authorized dealer: EDITION NO...

  • Page 8: Important Information

    BAYKAL 2. IMPORTANT INFORMATION 2.1. Safety features of your press brake The electrical and hydraulic circuits of your press brake are designed to allow operation with maximum safety. The following precautions are available on the machine for enhanced safety. Emergency stop buttons (engaging type) are available on the control unit, on the •...
  • Page 9 BAYKAL Rear side of the machine Figure 2.1.2 Fisler AKAS Laser guard (See Figure 2.1.3) mounted on the beam in front of the machine protects operator from accidental contact with tooling when the • beam is in action. If anything access area between two devices (transmitter and receiver) before the top beam reaches the muting point, the beam will stop and retract automatically.
  • Page 10 BAYKAL 2.2. Important safety information & instructions The machine must NOT be operated before reading this User’s Manual. Operate the machine only if it is in a perfect condition and in accordance with the work regulations of your factory and operating instructions of this manual.
  • Page 11 BAYKAL Check the machine daily for recognizable external damages and defects. Operate the machine only if all protective devices and guardings are mounted and effective. Take notice of the warning labels on the machine and do not remove them. In case of malfunction immediately shut down and secure the machine.
  • Page 12 /or any replacement of the original safety and protective devices by unoriginal ones. 11. The machine is to be serviced and/or be repaired only by the authorized personnel of BAYKAL or its appointed representatives. EDITION NO SECTION...
  • Page 13 BAYKAL 2.3. Noise measurement The sound pressure level of the press brake at operator’s working position is under 70 Db (A). 2.4. Stop time control The stopping time of this press brake is 80 ms and the corresponding minimum safety distance from the two-hand control is 130 mm.
  • Page 14 BAYKAL 3. OVERALL DRAWING AND DIMENSIONS Figure 3.1 EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 15 BAYKAL 4. LIFTING & TRANSPORTATION The following points should be taken into account : The lifting points are illustrated in Figure 4.1.The dimensions and the weight of • the machine are given in section 6.1.1.of this manual. Make sure that the lifting rope or chain is of sufficient capacity for the lifting •...
  • Page 16 BAYKAL 5. UNPACKING & INSTALLATION The press brake is packed inside a nylon cover, and is bolted on wooden crates. Prior to installation, dispose nylon and wooden crate separately and safely in accordance with environmental regulations. After unpacking, check the machine visually against any damage during transport.
  • Page 17 BAYKAL Figure 5.1 EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...

  • Page 18: Standard Equipment

    BAYKAL 6. OPERATING AND MAINTENANCE INSTRUCTIONS 6.1. Technical Data 6.1.1. Specification: Bending length Bending capacity -St.42 Bending force tons Length Width Height Weight Approach speed mm / sec Bending speed mm / sec 10. Return speed mm / sec 11. Total Stroke...
  • Page 19 BAYKAL 6.1.3. List of parts subject to rapid wear: No Part name Size specification Qty. Bottom tool Top tool Piston seal Rod seal Scraper O-ring ( cylinder ) 6.1.4. List of bearings and special parts: No Part name Part no. / description Qty.
  • Page 20 BAYKAL 6.2. Description of press brake applications Your press brake is designed and constructed for press bending of flat metal materials up to mm. length through use of hydraulic pressure power of maximum tons which is adjustable. At maximum tonnage, the material thickness that can be formed is mm.
  • Page 21 BAYKAL 6.3. Prohibited uses of the press brake The press brake should not be used in the following circumstances: If there is ANYTHING OTHER THAN THE WORKPIECE, inserted, extended, put or placed in the working area between top and bottom bending tools.
  • Page 22 BAYKAL 6.4. Incorrect uses of the press brake During normal operation of the press brake, the following incorrect uses must be avoided. The likely consequences of such incorrect uses are also explained below : Top tool not centered on the bottom tool ″ V ″...
  • Page 23 BAYKAL 6.5. Using the press brake 6.5.1. Requirements for the initial test and examination • Check the machine visually against any transport damage. • Clean the oil tank. • Fill the oil tank up to the level indicator with one of the oil types recommended in the Lubrication Diagram.
  • Page 24 BAYKAL 6.5.2. Electrical connections All electrical connections, however simple, must be carried out by qualified electricians. Machine must be placed as close as possible to an electricity supply point. In cases where this is not possible, it is recommended to bring an auxiliary supply duct alongside the machine.
  • Page 25 BAYKAL A. Pedal Connections (e ) ( d ) ( C ) ( f ) ( g ) Figure 6.5.2.1 Mark Label Designation Description (Electr.Diag) 10S5 Left pedal When left pedal is pressed, Beam goes downwards 10S5A Right pedal When left pedal is pressed, Beam goes upwards...
  • Page 26 BAYKAL B. Front Connections ( j) Figure 6.5.2.2 Mark Label Designation Description EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 27 BAYKAL (Electr.Diag) Upper dead point of Y axis. After Bending 11S1 process is completed, if you press right foot pedal, beam goes upper dead point. After each bending cycle in order to save time the 11S4 Upper limit beam goes to Upper limit instead of UDP (It can be adjusted).
  • Page 28 BAYKAL C. Back side connections ( a) ( b) ( c) ( e) Figure 6.5.2.3 ( d) Mark Label Designation Description (Electr.Diag) EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 29 BAYKAL Reducer motor and This motor rotates Reducer axis to adjust bending angle. connection Main motor (Pump) Main motor or pump supplies hydraulic pressure for hydraulic circuit. and connection Back door safety switch. When this door is 13S2 Safety Switch opened, main pump of the machine will stops.
  • Page 30 BAYKAL negative direction Limit position of X axis movement in the X+ Limit switch positive direction Motor It provides X axis movement X axis encoder connection. Encoder supplies Encoder feedback of the axis position E. Valve Connections (f*) ( g ) ( a ) Figure 6.5.2.5...
  • Page 31 BAYKAL Mark Label Designation Description (Electr.Diag) Pressure safety valve Additional safety for directional valves It controls downward movement of Y axis Y11A Directional valve Y11B Directional valve It controls upward movement of Y axis Safety valve of directional valves Safety valve...
  • Page 32 BAYKAL F. Control Panel: ( g ) Figure 6.5.2.6 Mark Label Designation Description (Electr.Diag) Backgauge backward When this button is pressed, the backgauge moves backward Backgauge forward When this button is pressed, the backgauge moves forward When this button is pressed, the reducer goes...
  • Page 33 BAYKAL G. Electrical Cabinet Left side Front side Figure 6.5.2.7 Mark Label Designation Description (Electr.Diag) Switches on and off the machine Main Switch It displays current working time of the Hour meter machine. This Light is “ON” if the Mode Selector is on the Position 2 and 3.
  • Page 34 BAYKAL (e) (f) Inside the electrical cabinet EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 35 BAYKAL Mark Label Designation Description (Electr.Diag) It provides required DC power Power Supply Connection points X2 terminal It provides to work the machine safely. Pilz Safety PLC They are interface between valves and Control relays control unit It protects Main motor against overflow...
  • Page 36 BAYKAL 6.5.3. Operating the machine: 6.5.3.1. Start-up: The machine must be first started-up and be put into service by authorized and qualified personnel. 1. Check the emergency stop buttons. If they are engaged, release them. (Pull and release) 2. Switch on the main switch (See Figure 6.5.3.1) Figure 6.5.3.1...
  • Page 37 BAYKAL 4. Press the start button on the control panel or on the electrical panel cover (See Figure 6.5.3.3). Figure 6.5.3.3 Figure 6.5.3.4 If you start up the machine at first time after the machine is delivered, you should check the pump rotation. Check the motor rotation by pushing motor start button on the control panel or on the cabinet cover (Figure 6.5.3.3), and...
  • Page 38 BAYKAL again, this controlled down-travel of the beam will continue. To have the beam move up again at controlled speed, the Right foot or Up button should be pressed continuously. Releasing this foot pedal, the beam travel will stop. The ″ stepping ″ mode is used for tooling adjustments.
  • Page 39 BAYKAL 6.5.3.2 Operating modes of the machine Set bending angle and bending width using digital controller. How to make these settings are explained below. Actual Position Displays Demand Position Displays NR Display Figure 6.5.3.7 Function Actual Position Displays Shows current X and Y axes value.
  • Page 40 BAYKAL Resets the program to beginning Selects Registers P8822 digital controller has 3 working modes. 1- Manual mode 2- Single mode 3- Program mode These modes are explained in details below. 1. Manual Mode This mode is used for adjustment process. You can determine angle values according to the tool you are using and also move the backgauge for adjustment applications.
  • Page 41 BAYKAL Figure 6.5.3.10 2. Single Mode When controller is in single mode, you can bend sheet metals by entering bending width value (X value) and bending angle value (Y value). If you want o make another bent, you should enter new X and Y values. To select single mode;...
  • Page 42 BAYKAL 4. Enter the bending angle (See Figure 6.5.3.14) in Y axis window (Y value) using numerical keys. Figure 6.5.3.13 Figure 6.5.3.14 5. Press start key on the controller. (See Figure 6.5.3.15) Thus the back gauge will move to its final position and the motor with reducer behind the top beam will adjust the angle value.
  • Page 43 BAYKAL 3. Program mode When you select the program mode in the controller, you can bend sheet metals according to the program you write before. To work with program, first you should select program mode; 1. Press Prog key on the controller (See Figure 6.5.3.16). The small led (Prog.
  • Page 44 BAYKAL Figure 6.5.3.18 Figure 6.5.3.19 4. Enter any program number (up to 99) (See Figure 6.5.3.20) for example 1 using numerical keys and press E key (See Figure 6.5.3.21). Figure 6.5.3.20 Figure 6.5.3.21 5. You will see zero on NR window (now program line number) and X,Y demand value windows (See Figure 6.5.3.22).
  • Page 45 BAYKAL Figure 6.5.3.22 Figure 6.5.3.23 6. Press NR key on the controller (See Figure 6.5.3.23) to select program line. After pressing NR key, NR window will show 01. Now you can edit your program. 7. Enter the bending width (See Figure 6.5.3.24) in X axis window (X value) using numerical keys.
  • Page 46 BAYKAL Figure 6.5.3.24 Figure 6.5.3.25 9. Enter the bending angle (See Figure 6.5.3.26) in Y axis window (Y value) using numerical keys. 10. Press Cursor key again (See Figure 6.5.3.27) to go to the second line in the program. NR window will show 02. Now you are in the second line in your program.
  • Page 47 BAYKAL 12. At the end of your program, press E key (See Figure 6.5.3.28). You will see zero on NR window (now program line number) and X,Y demand value windows (See Figure 6.5.3.29). Figure 6.5.3.28 Figure 6.5.3.29 4. Editing a program 1.
  • Page 48 BAYKAL 2. By pressing NR key sequentially, select the program line you want to change (See Figure 6.5.3.31). Figure 6.5.3.32 Figure 6.5.3.33 3. Press cursor key to select axis value you want to change. If you want to change X axis value do not need to press cursor key.
  • Page 49 BAYKAL 5. Working with programs 1. If you write programs before (up to 99), first you select the program you want to run (execute). Press Prog. Key (See Figure 6.5.3.36) and then press R key (See Figure 6.5.3.37) 2. Write 40 by using numerical keys in NR window.
  • Page 50 BAYKAL 5. Press NR key to select the beginning line you start to execute (See Figure 6.5.3.40). 6. Press Start key on the controller (See Figure 6.5.3.38). The controller will sets the backgauge and angle. Figure 6.5.3.40 Figure 6.5.3.41 6.5.3.3 Bending 1.
  • Page 51 BAYKAL NOTE: If you release foot pedal, the beam retract automatically to the top point. 2. Place the sheet metal (or plate) between two tools (See Figure 6.5.3.43.a) and be sure that the far end of the sheet touches the backgauge finger.
  • Page 52 BAYKAL Figure 6.5.3.44 After the mute point, some safety devices will be NOT ACTIVE except emergency stop buttons, back door safety switch and side doors safety switches. 3. Release the left foot pedal and press it again (see Figure 6.5.3.45) Figure 6.5.3.45...
  • Page 53 BAYKAL Figure 6.5.3.46 Warning: Your hands can be jammed between the top tool and the sheet. Prior to despatch the machine has been tested according toits capacity ; adjustments for parallelism have been made; and the bottom tool has been centered with respect to the top tool.
  • Page 54 BAYKAL 6.5.4. Centering the bottom tool Make sure that mode selector switch on electrical cabinet cover is in position 1 (mode 1) during the following procedures. Top tool is fixed on the top beam by means of holders and bolts. It can be reversed if necessary.
  • Page 55 BAYKAL Roughly centered b. ROTATE Figure 6.5.4.2 4. Use pushbuttons reducer up (see Figure 6.5.4.3.a) and reducer down (see Figure 6.5.4.3.b) on the control panel to coin the top tool in the vee to be used. (When using the above pushbuttons it is possible to work with side fences open, in which case the beam will be inactive).
  • Page 56 BAYKAL 5. Use hand wheels to align the bottom tool as much as needed for exact centering (see Figure 6.5.4.4 and Figure 6.5.4.5) HAND WHEELS Figure 6.5.4.4 Figure 6.5.4.5 As soon the punch is in contact with the ″V″ release pushbutton IMPORTANT: reducer down.
  • Page 57 BAYKAL 6.5.5. Top beam parallelism adjustment If, for any reason, the factory-set parallelism is lost, the following actions should be taken: • Turn the mode selector switch on the electrical cabinet cover to position 1 (Inching mode) 1. Pull back the bush of the splined shaft (see fig a) and remove it. The spring in the shaft-the piston screw connection point allows the shaft bush move back (see Figure 6.5.5.1).
  • Page 58 BAYKAL 3. Continue with this alignment until you can verify that both sides of the top beam have the same level. 4. When parallelism is achieved, put the bush of splined shaft back into its original position. The piston on the left hand side can travel safely within a range of 2mm. To avoid beam deflection and any damage to the machine, this limit should not be exceeded.
  • Page 59 BAYKAL 6.5.6. Backgauge parallelism adjustment If, for any reason, the factory-set parallelism is lost, the following actions should be taken: Two types of parallelism adjustment should be made; 1. Backgauge profile parallelism. 2. Guiding profile parallelism. 1. Backgauge profile parallelism: Backgauge profile parallelism should be adjusted in the Y direction (See Figure ).
  • Page 60 BAYKAL 2. Guiding profile parallelism: Guiding profile parallelism should be adjusted in the X and Y direction (See Figure 6.5.6.2). The bolts B (See fig) along the backgauge profile are used to adjust parallelism in Y direction and the bolts A are used in X direction. Guiding profile must be parallel to the bottom tool so that bending process can be achieved in right dimensions.
  • Page 61 BAYKAL 6.5.7. Changing Bending Tools In hydraulic press brakes, two different mechanic clamping (For the top tool) and (tree for the bottom tool) systems are used. These systems and tool changing are explained below. Type 1. a. Changing the top tool: The top tool is fixed in its place as seen in Figure 6.5.7.1 below.
  • Page 62 BAYKAL 3. Pull out the top tool manually by the left side of the machine. Stock it using appropriate lifting equipment. NOTE : You should loosen the all bolts along the beam so that you can pull out the top tool.
  • Page 63 BAYKAL BOTTOM TOOL WEDGE Figure 6.5.7.3 Pull out the wedge (See Figure 6.5.7.3) from any side. Pull out the tool to any side, and stock it by appropriate lifting equipment. Put on the new tool on die holder by means of lifting equipment.
  • Page 64 BAYKAL In order to change the die holder; After removing the bottom tool, 1. Loosen up the hand screws in both sides of the machine. 2. Change the die holder with a new one. 3. Tighten up the hand screws.
  • Page 65 BAYKAL 1. Drop top beam on low pressure such that mere is a clearance of approximately (1 mm) between top and bottom tools. 2. After stopping the main motor and switching off the main switch, let the top tool sit on the bottom tool "vee" slowly by releasing the latch in the direction (See Figure 6.5.7.4)
  • Page 66 BAYKAL FIXING BOLTS BOTTOM Figure 6.5.7.6 2. Pull out the bottom tool (See Figure 6.5.7.5) from any side. 3. Put on the new tool on the bed by means of lifting equipment (If you use sectional type of tools, by hand). Place the new bottom tool from any side.
  • Page 67 BAYKAL HAND SCREWS BOTTOM TOOL Figure 6.5.7.7 6.5.8. Wedge Adjustment After long periods of usage it is natural that the top and bottom tools will be subject to some material deformation. Such deformations will make it difficult to obtain identical angles over the full bending length. If deformation is excessive,...
  • Page 68 BAYKAL Wedges are adjusted as follows: 1. Identify the section on the top tool where bending angle shows a difference. 2. Slightly loosen the cover plate(s) fixing bolts (See Figure 6.5.8.2.a and b) with approximate amount of y = 0.5 mm.
  • Page 69 BAYKAL * Wedge Adjustment (Work Table) Figure 6.5.8.3 EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 70 BAYKAL Figure 6.5.8.4 1. Identity the location the work table where the bending angle is different. 2. Pull forward the conical wedges (B) by means of (A) bolts to the extent of deformation. The deformed section of work table is thus pushed up.
  • Page 71 BAYKAL 6.5.9. Manually Adjustable Crowning System (Optional) When the hydraulic cylinders of the press brake are mounted at either end, the centre is not supported. This leads to the curvature which a crowning table can even out. A press brake deflects slightly during bending (concave sagging). This...
  • Page 72 BAYKAL These methods of crowning are, however, very labor-intensive, not very flexible, difficult to repeat, and result in a significant loss of production time. These problems can be eliminated by the manually operated anti-deflection device developed by Wila. The Wila crowning devices (See Figure 6.5.9.2) compensate the deflection of the press brake quickly and accurately.
  • Page 73 BAYKAL For detailed and technical information about Wila manually adjustable crowning system, please see related manual in ADDITIONAL MANUALS. 6.5.10. Check- list of the finished product Prior to despatch, your press brake has been checked with respect to the following safety and operational functions, and verified O.K. :...
  • Page 74 BAYKAL 6.5.11. Instructions for the press brake supervisor after machine set up - All machine adjustment as specified in section 6 must be executed before the machine is delivered to its operator. - Check that the User’s Manual of the machine is by the machine and make sure that it is kept by the machine all the time.
  • Page 75 BAYKAL 6.6. Maintenance & Inspection General maintenance and cleaning of the press brake requires careful attention. Therefore the machine must be shut-off before starting any maintenance work. 6.6.1. Type and frequency of inspections Inspection Period Responsibility • Lubrication Operator See: Lubrication Diagram •...

  • Page 76: Hydraulic System

    BAYKAL • Foot-pedal control system Every 6 months Electrician 6.6.2. Hydraulic System: All precautions must be taken to keep the hydraulic system clean at all circumstances. 6.6.3. Changing oil: Oil must be changed after first 200 working hours of use, and then every 1000 working hours.
  • Page 77 BAYKAL Remove the oil tank cap (Filling up point in Figure 6.6.3.1). Open the valve under the oil tank to drain out the old oil completely (Draining off point in Figure 6.6.3.1). Note: Insert a discharge hose to the valve cock to drain out old oil from oil tank to any tank.
  • Page 78 BAYKAL b. Take out the lid (See Figure 6.6.4.3) c. Replace the filter element (See Figure 6.6.4.4) d. Refix lid and bolts FILTER FILTER ELEMENT ELEMENT Figure 6.6.4.3 Figure 6.6.4.4 a. Changing suction filter The suction filter must be changed after first 200 hours of use, and then every 1000 working hours (See Figure 6.6.4.5).
  • Page 79 BAYKAL SUCTION FILTER COVER SCREW Figure 6.6.4.5 Remove the cover on the oil tank after loosing and pulling out the screws. Remove the old filter from its place inside oil tank by turning in CW. Fix the new filter into its place by turning in CCW.
  • Page 80 BAYKAL RETURN FILTERS LIST The filters listed below, which are produced by different companies, can be used. APH/APHS 40-200 TON MANUFACTURER TYPE FILTER ELEMENT MP (Italy) MPF-100 1AG2D MPF-100 1A25HB HYDAC (Germany) RFM ECO/N 165 BD20W 1.1 0165 R 020 BN 3 HC...
  • Page 81 BAYKAL 6.7. Conditions of storage, re-utilization and scrapping 6.7.1. Storage In cases where the machine is not be used for a long period of time, the following precautions must be taken: • Disconnect electrical supply to the machine, and write so on the electric panel as a reminder for future use.
  • Page 82 BAYKAL 6.7.3. Scrapping If the press brake has completed its normal operating life, prior to scrapping all the oil in the tank and cylinders should be drained off, and the machine should be dismantled. EDITION NO SECTION DATE OF ISSUE :...
  • Page 83 BAYKAL 7. LUBRICATION POINTS Figure 7.1 PLACE OF NUMBER OF OIL TYPE EQUIVALENT LUBRICATION LUBRICATION LUBRICATION PREFILLED OIL TYPES PERIOD SPOTS AT FACTORY REDUCER ASSEMBLY MOLLYKOTTE MORRIS K48EP 2-7 Days BR2 PLUS SLIDES KAP GREASE 2 2-7 Days TORSION BAR SEATS...
  • Page 84 BAYKAL (12) (10) (11) (13) (14) Figure 7.2 PLACE OF NUMBER OF OIL TYPE EQUIVALENT LUBRICATION LUBRICATION LUBRICATION PREFILLED OIL TYPES PERIOD SPOTS AT FACTORY TORSION BAR-BEAM KAP GREASE 2 30-60 Days CONNECTION POINTS REDUCER SHAFTS KAP GREASE 2 30-60 Days...

  • Page 85: Troubleshooting

    BAYKAL 8. TROUBLESHOOTING Problem Possible causes Correction a) Beam descends, but no -Leakage in refill valve -Clean valve bending -Pressure relief valve is blocked -Clean valve -Failure in pressure relief valve -Change valve -Failure in directional valve -Change valve -Spool of directional valve is burnt...
  • Page 86 BAYKAL 9. BENDING CHART A bending chart is provided in this file to determine the following with respect to material thickness: • Selecting the correct vee. • Bending force required to bend material of 1 meter length. • Minimum flange that can be bent.
  • Page 87 BAYKAL 10. FOLDING FACILITIES You can see some bending examples according to the different tools below. EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 88 BAYKAL 11. PRINCIPLES OF PRESS BRAKE BENDING TECHNOLOGY Sheet metal bending is effected by using two basic procedures: 1) Air Bending: Widely used because of the relatively small tonnage required, but as regards to angular precision, it is subject to the residual elasticity inherent in the material after bending.
  • Page 89 BAYKAL b) Partial Air Bending: This method of bending is in fact a limited case of air bending, as the forming of the metal sheet is interrupted before it bottoms in the vee. The plate is in contact with the tooling along the lines ABC. This method calls for a larger Vee opening (12 to 15 times) to maintain good bending quality.
  • Page 90 BAYKAL APPENDIX A. SPARE PART LIST EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 91 BAYKAL B. HYDRAULIC CIRCUIT DIAGRAM EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 92 BAYKAL C. ELECTRIC CIRCUIT DIAGRAM EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...
  • Page 93 BAYKAL ADDITIONAL MANUALS EDITION NO SECTION DATE OF ISSUE : July-2005 PAGE...

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