LNS GT 326-E Instruction Manual
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LNS GT 326-E Instruction Manual

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Instruction Manual
GT 326-E
Touch Screen Remote
LNS America
4621 East Tech Drive
Cincinnati, Ohio 45245
ENG
9.XA1.02.US

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Summary of Contents for LNS GT 326-E

  • Page 1 Instruction Manual GT 326-E Touch Screen Remote LNS America 4621 East Tech Drive 9.XA1.02.US Cincinnati, Ohio 45245...

  • Page 2: Table Of Contents

    SYMBOLS PLC I/O 4-10 DIAGRAMS 4-11 INTERFACE 4-15 SAFETY SWITCHES 4-19 5 PNEUMATICS GENERAL DESCRIPTION F.R.L. AIR FILTERING UNIT SOLENOID VALVE MANIFOLD MAINTENANCE PNEUMATIC DIAGRAMS 6 HYDRAULICS GENERAL DESCRIPTION LAYOUT OF THE ELEMENTS DESCRIPTION of THE COMPONENTS MAINTENANCE GT 326-E...
  • Page 3 ERROR MESSAGE DESCRIPTION AND TROUBLE SHOOTING GUIDE SERVO AMPLIFIER ERROR MESSAGES 9-16 FACTORS AFFECTING PERFORMANCE 9-31 MAINTENANCE 9-33 10 APPENDICES APPENDIX A: PROGRAMMING EXAMPLE 10-1 APPENDIX B: ODERING FORM 10-2 APPENDIX C: ADDRESS LNS 10-3 APPENDIX D: PART PRINTS GT 326-E...

  • Page 4: Basic Notions

    This sign indicates that safety measures must be taken to avoid possible electrical shocks or mishaps. The notes stress interesting points or comments, and provide useful advice for optimal system operation. This sign serves to point out the portion mentioned on the description. GT 326-E...

  • Page 5: Rights

    The operating life of consumables such as channel, rotating joint, finger chuck, pusher, roller and bushing of front rest and other accessories depends on the working conditions (such as rotating speed and temperature). Therefore these consumables are excluded in the warranty. Design and specifications are subject to change without prior notice. GT 326-E...

  • Page 6: Safety Instructions

    If it is necessary to move the bar feeder after it has been originally installed, do not reinstall it before first contacting our representative.  We disclaim all responsibility for possible accidents or property damage when safety device is removed. GT 326-E...
  • Page 7 1 - 4 Chapter 1 BASIC NOTIONS GT 326-E...

  • Page 8: Technical Data

    RPM capability of the system. GT 326-E is available for loading bar stock diameter from 3 to 20 mm Channel (26 mm with bar prep.).

  • Page 9: Bar Diameter Measurement

    = b ×1.154 a = b ×1.41 Pusher collet size = a Channel size Pusher collet size Inch/metric Conversion To convert to millimeters: multiply inches × 25.4 To convert to inches: multiply millimeters X 0.0394 GT 326-E...

  • Page 10: Floor Plan

    Chapter 2 TECHNICAL DATA 2 - 3 2.4 FLOOR PLAN GT 326-E...
  • Page 11 Chapter 2 TECHNICAL DATA 2 - 4 GT 326-E...

  • Page 12: Layout Of The Elements

    AC Servo motor Pusher (not visible) Vise( Material clamping device) Remnant detection sensor Guiding channel Magazine rack Bar measuring device (not visible) Front rest Hydraulic pump Hydraulic tank Remote control (HMI) Front stand Rear stand Remnant tray Electrical cabinet GT 326-E...
  • Page 13 Chapter 2 TECHNICAL DATA 2 - 6 GT 326-E...

  • Page 14: Setting Into Operation

    A pusher and guiding channel set may be mounted in the bar feeder. Depending on the purchase order, other sets may be delivered in a separate box. The electrical interface diagram is placed inside the electrical cabinet. Documentation, tools, pusher collets, lathe connecting parts, front tube/telescopic tube, and other accessories are packed separately. GT 326-E...
  • Page 15 For installing the bar feeder, it’s advisable to contact us or one of our branch offices or one of your local LNS representatives. We cannot be held responsible for any malfunction or any damage to the bar feeder or the lathe due an incorrect installation in which we did not take part <...

  • Page 16: Positioning Of The Bar Feeder

    Chuck / collet Loading flag  Front tube length check The front tube (if provided) should be able to cover the space between the bar feeder and the spindle. This will prevent the bar to be exposed. Joint pipe Spindle GT 326-E...
  • Page 17 10mm LONGER than the telescopic tube minimum retracted length (collapsed). Note 1: Depending on the configuration of the machine, the telescopic tube stroke and other mechanical interface components may influence the final position of the bar feeder behind the lathe. GT 326-E...
  • Page 18 Chapter 3 SETTING INTO OPERATION 3 - 5 GT 326-E can be equipped with a 2 position retraction kit for operation in GB (Guide Bush) and NGB (Non-Guide Bush) mode. The barfeed is shipped in the NGB mode (forward) position in order to secure the stands with the shipping bolts.

  • Page 19: Mounting

    9. Anchor the bar feeder to the floor using anchoring bolts (G) and according to instructions in the manual (3.3.3.) 10. Prior to securing the bar feeder to the floor it is recommended to check again the bar feeder alignment. The bar feeder alignment is critical for good performance. GT 326-E...
  • Page 20 (Please refer to 3.3.2 for bar feeder leveling) Using an alignment tool (LNS or others) proceed to the alignment of the bar feeder so that the nylon string is perfectly centered at the back of the lathe spindle and the front of the bar feeder.

  • Page 21: Connections

    For the pneumatic connection, please see Chapter 5, Pneumatics.  For the hydraulics, please see Chapter 6, Hydraulics.  For the mechanical connection, please see Chapter 7, General description.  For the parameter setting, please see Chapter 8, Operation. GT 326-E...

  • Page 22: Electrics

    Pusher home position Guiding channel opened switch C11110400 Guiding channel closed switch Clamping vise switch SQ10 Retraction safety switch (Option) 4.484 SQ10a Retraction safety-2 switch (Option) SQ11 4.894 Main cover safety switch XT135050000 Hydraulic pump motor B14120203 Servo motor GT 326-E...

  • Page 23: Electrical Components

    24V DC power B18210030 supply breaker and POWER SUPPLY B25120020 supply PLC circuit breaker B24110150 B11000065 CE Relay Hydraulic pump B24110200 B19110510 (M1) circuit breaker B24110200 CE Relay (DCS 4.932 version) Electromagnetic Multi voltage 4.932 Transformer B55000051 contactor transformer GT 326-E...
  • Page 24 Control circuit terminal (L1, L2) Used to connect to 100-230 VAC power supply Main circuit terminal (R, S, T) Used to connect 200-230 VAC power supply Heatsink To secure servo drive and for heat dissipation Ground connection Display GT 326-E...
  • Page 25 4A, the breaker trips and lever B flips down. The power supply to the PLC and 24V DC power supply is immediately interrupted. After the problem is fixed, reset the breaker by flipping lever B up. Lever B GT 326-E...
  • Page 26 Output signals indication LED. Indicate the status of outputs Y0 to Y27. PLC status indication LED. Communication port. b) Analog module The analog signals serves to control the torque and speed of the servo motor. Designation Description Torque control output contacts Speed control output contacts Power indication LED GT 326-E...
  • Page 27 The power supply converts AC 220 V to 24V DC for the low voltage circuit. Designation Description 220V AC input terminals 24V DC output terminals 4.2.7 PCB (Printed Circuit Board) Includes various components such as interface relays, terminals, plugs, etc. GT 326-E...
  • Page 28 Connect to PLC input contacts X20, X21 TB28 +24, +24, +24, M, S11, S12 Connect to K8 safety relay TB29 K1, K2, K3, K4, K5, EM1 Short circuit TB30 M, +24, 1 Connect to SP1 air pressure switch GT 326-E...
  • Page 29 The incoming power must be connected to the primary terminal block. Use the contacts corresponding to the supplied power (346V AC to 440V AC, see drawing below). The outgoing power is always connected to the 220V AC terminals of the secondary terminal Block. Secondary terminal block Primary terminal block GT 326-E...

  • Page 30: Symbols

    Electromagnetic switch KM1 / K1 Pressure switch SP1, SP2 SQ1, SQ2, SQ3 SQ4, Proximity switch Relay KS, K7, R1 ~ R5 Remote control buttons S1 ~ S7 Servo motor YV1, YV2A, YV2B, Solenoid valve YV3, YV5, YV6, YV11 GT 326-E...

  • Page 31: Plc I/O

    Chapter 4 ELECTRICS 4 - 10 4.4 PLC I/O V1 Torque V2 Speed Circuit diagram: XA1.25.A001C GT 326-E...

  • Page 32: Diagrams

    Chapter 4 ELECTRICS 4 - 11 4.5 DIAGRAMS 4.5.1 AC circuit Circuit diagram: XA1.25.A001C GT 326-E...
  • Page 33 Chapter 4 ELECTRICS 4 - 12 4.5.2 Emergency stop circuit Circuit diagram: XA1.25.A001C GT 326-E...
  • Page 34 Chapter 4 ELECTRICS 4 - 13 Circuit diagram: XA1.25.A001C GT 326-E...
  • Page 35 Chapter 4 ELECTRICS 4 - 14 Circuit diagram: XA1.25.A001C GT 326-E...

  • Page 36: Interface

    The universal interface consist most signals which might be transmitted between the lathe and bar feeder. The later the user can change the wiring according to the lathe requirement or contact us for technical advisement. GT 326-E...
  • Page 37 Chapter 4 ELECTRICS 4 - 16 GT 326-E...
  • Page 38 The signal logic will be handled according to INTERFACE11 setup. g) Lathe door signal A7 (PLC input X37) Door closed signal is used to control the speed of bar feeder in manual mode when lathe door is closed/open. GT 326-E...
  • Page 39 Generally the spindle rotates at slow speed when the new bar stock is passing through. For lathes not able to rotate the spindle with the chuck open this signal can be used as an external command to turn the spindle. Refer to service parameter INTERFACE43 for more information. GT 326-E...

  • Page 40: Safety Switches

    SQ10 SQ10a Fig. B working position before starting the lathe in production. Alarm Please refer to 4.4 and 4.5 for wire connection in the switch. SQ10 SQ10a Fig. C GT 326-E...
  • Page 41 Chapter 4 ELECTRICS 4 - 20 GT 326-E...

  • Page 42: Pneumatics

    RtoLF: XA1.27.A002B RtoLF: XT032020210 Air filtering system LtoRF: XT032020220 C12113000 Material clamping device cylinder XA1.07.A007 Front rest XA1.07.P502B Air blast ring (In front rest) C12120900 Measurement device cylinder C12112400 Channel Open/Close cylinder C11121400 Air pressure switch (in electrical cabinet) GT 326-E...

  • Page 43: Air Filtering Unit

    5.2.1 Layout of the elements Designation Part number Description C13120300 Air inlet Pressure regulator Pressure gauge Condensate collector C11120100 Lubricator Oil cup Oil refilling plug Regulated air outlet C13110500 8mm / G1/4 push-in fitting GT 326-E...
  • Page 44 Unlocking the adjusting knob by pulling it upward. To increase the pressure, turn the knob clockwise. To decrease the pressure, turn it counter clockwise. The operational pressure should be kept at 5-6kgf/cm When the setting is finished, lock the knob by pressing it downward. GT 326-E...

  • Page 45: Solenoid Valve Manifold

    C14120200 Air outlet / silencers C11121400 Pressure switch (PE converter) YV11 Second front rest (optional) Air blast C11110100 Material clamping device (vice) Front rest Bar measuring device/ Material loading YV2A Guiding channel opening C11110200 YV2B Guiding channel closing GT 326-E...
  • Page 46 2. Set the lower pressure limit with screw B. This setup will define when the pressure switch senses an abnormal pressure drop and generate a low pressure alarm. Factory setup is: 3 kg/cm (3 bar). GT 326-E...

  • Page 47: Maintenance

    In manual mode press on the remote control. Connect the air inlet hose and turn air source back on. Oil refill plug Oil dribbling nozzle Increase oil Decrease oil dripping dripping Keep the oil level around this position GT 326-E...

  • Page 48: Pneumatic Diagrams

    Chapter 5 PNEUMATICS 5 - 7 5.5 PNEUMATIC DIAGRAMS GT 326-E...
  • Page 49 Chapter 5 PNEUMATICS 5 - 8 GT 326-E...

  • Page 50: Hydraulics

    3. To absorb the vibration created during high rpm machining. 6.2 LAYOUT OF THE ELEMENTS C, E Designation Part number Description X135010000XX Remnant tray Guiding channels Hydraulic tank C17120400 Oil level indicator C14110300 Drain plug (underneath the oil tank) XT135050000 Hydraulic pump motor GT 326-E...
  • Page 51 The remnants might be lying between the material clamping device space and interfere with the next bar stock insertion or loading. The tray may be too heavy to empty. Remnants accumulation should remain below the cutout in the remnant tray. The opening of remnant tray GT 326-E...
  • Page 52 Slowly pour the oil into the oil tank directly as shown. The oil level should be kept around H mark on the level indicator when the hydraulic pump is not running. Pour the oil here Oil level indicator Viscosity index (CST@ 40°C / 104°F) ISO VG 68 61.2 ~ 74.8 ISO VG 100 90.0 ~ 110 (recommended) GT 326-E...

  • Page 53: Maintenance

    Clean the drain plug. Apply the seal on the plug and screw the drain plug back in. Refill the tank with new oil and according to chapter 6.3.4 until the level indicates oil level at H. Confirm there is no leaks from the drain plug. Install the remnant tray back. GT 326-E...

  • Page 54: General Description

    7 GENERAL DESCRIPTION 7.1 LOADING SYSTEM GT 326-E loading system is composed of a bar magazine, loading fingers and the loading cylinder. This system stores the bars and loads the bars into the guiding channels. Once adjusted the bar diameter selection fingers will consistently load the bars one by one into the guiding channels.
  • Page 55 Place a few bars of the desired diameter on the inclined surface (C), resting on the adjustable end stops (F). Lower the upper limiters (B) to obtain a clearance of around 1mm with the bars positioned on the inclined surface. Tighten the locking handles (A). GT 326-E...

  • Page 56: Pusher And Bar Guiding Channels

    The bar guiding channels are filled with oil using the hydrodynamic principle to support the bar in rotation. For optimum performance the appropriate guiding channel diameter must selected. 7.2.1 Layout of the elements Designation Description Pusher guiding channel Safety joint pipe for fixed headstock lathe (option) Telescopic tube for sliding headstock lathe (Swiss type) GT 326-E...
  • Page 57 23, 27 2.5M XA1.31.A002B.xx XA1.31.A106B.xx 3.2M XA1.31.A016A.xx XA1.31.A102B.xx 12’ (3.7M) XA1.31.A018A.xx XA1.31.A104B.xx XA1.31.A020A.xx XA1.31.A108A.xx Channel dimension When mounting the channel the high side must be placed towards the bar feeder front side. LtoRF Bar Feeder RtoLF Bar Feeder GT 326-E...

  • Page 58: Pusher Guiding Channel And Pusher Support

    The bar is released by the vise and the bar is ready to advance into the lathe for automatic production after being measured by the bar measuring device in the bar feeder. 7.3.1 Layout of the elements Designation Description Flag Loading flag Long pusher Pusher hook Rotating sleeve Collet Pusher guiding channel GT 326-E...
  • Page 59 Pusher set Pusher size Standard Extended xx (mm) LtoRF bar feeder RtoLF bar feeder LtoRF bar feeder RtoLF bar feeder 07, 10 12, 16, XA1.15.A011A.xx XA1.15.A012A.xx XA1.15.A009A.xx XA1.15.A010A.xx 18, 20, 22, 26 RtoLF Bar Feeder LtoRF Bar Feeder GT 326-E...
  • Page 60 015.031.013/155 XTP202610/RFA XTP752620/RFA 26/20 028.031.234 * Depending on the bar feeder bar length capacity additional (or less) quantity of guiding channels segments will make a complete set. The above chart shows are for a 12’ bar length capacity. GT 326-E...
  • Page 61 XA1.31.P005B.27 XTP202610/RFA XA1.15.A010A.26 26/20 028.031.234 * Depending on the bar feeder bar length capacity additional (or less) quantity of guiding channels segments will make a complete set. The above chart shows are for a 12’ bar length capacity. GT 326-E...

  • Page 62: Diameter Changeover

    Press to open the guiding channel. Press Emergency Stop button to disable all functions and movements of the bar feeder. Take out pusher, loading flag and remove pusher hooks. Release hooks GT 326-E...
  • Page 63 Release the Emergency Stop button and press to exit the emergency stop. Press to close the guiding channels and press to move pusher back to its home position. Adjust front rest to the new bar diameter Partial diameter changeover is complete GT 326-E...

  • Page 64: Chain

    Check tension once every 6 months. 1. Slightly loosen the four screws “A”.(A half to one turn) 3. Secure by locking the four screws “A” (see step one) 2. Turn the screw “B” clockwise using wrench to retighten the chain. GT 326-E...

  • Page 65: Vise (Self-Centering)

    Wearing protective gloves is recommended. The clamping blades must be replaced when worn out. Proceed as follows: 1. Unscrew the screws (A) and remove the worn blades (B). 2. Install the new blades and secure with screws. GT 326-E...

  • Page 66: Bar Measuring Device

    TOP CUT distance is not dictated by the bar stock length. Once the bar feeder position is fixed (via parameter), the TOP CUT position is only related to the distance from the bar feeder to the face of the lathe chuck. Bar measuring flag GT 326-E...

  • Page 67: Headstock Synchronization Device

    This mode applies to Swiss type lathes only. Synchronization device* (rear mounting) *The location of the synchronization device will depend on the type of lathe. It can be installed either in the front or in the rear of the bar feeder. GT 326-E...

  • Page 68: Front Rest

    Quickly and accurately change to the bar diameter by simply making a manual adjustment. 7.9.1 Layout of the elements Designation Description Anti-vibration V-block Adjusting knob Adjustment instructions GT 326-E...
  • Page 69 Hex bar: O block Square bar: O block  O block ΦA) Block Part No. Diameter( Optimum bar range mm XA1.07.P061A.08 5~6.5 XA1.07.P061A.09 6~7.5 XA1.07.P061A.10 7~8.5 XA1.07.P061A.11 8~9.5 XA1.07.P061A.12 9~10.5 XA1.07.P061A.13 10~11.5 XA1.07.P061A.14 11~12.5 XA1.07.P061A.15 12~13.5 XA1.07.P061A.16 13~14.5 GT 326-E...
  • Page 70 7. Turn the knob clockwise until you feel some resistance. Final adjustment is made by turning two full turns clockwise of the adjusting lever. The bar should feed freely through the V-blocks. 8. Press to open the front rest. GT 326-E...
  • Page 71 Manually pull out the V-blocks and install another set of V-blocks or round blocks for hexagonal or square bars. Reinstall the side plate making sure that the shaft (C) is secured in the slots of the side disks (cams). Secure with screws A and B. Release Emergency Stop button. GT 326-E...

  • Page 72: Air Blast Ring

    A flow regulator is included to optimize the air flow. Flow regulator Air blast ring* ＊Note: Should the air blast ring be removed for any reason please reinstall it in the proper direction. The larger diameter should face the inside of the front rest. GT 326-E...

  • Page 73: Lathe Connecting Parts

    It consists of a telescoping tube that extends in sections to maintain a continuous connection between the GT 326-E and the machine sliding headstock. This feature allows the headstock to move forward to make parts without the danger of exposed bar stock.

  • Page 74: Retraction System (Option)

    The safety switch SQ10 will engage. (Refer to chapter 4.7) After completing the maintenance operations bring the bar feeder back in the forward working position, secure with lock screw (B) and tighten the side screws (A) (max. 75 Nm). GT 326-E...

  • Page 75: Two Position System

    Note: The CNC should be prepared to receive a signal from the bar feeder confirming Guide Bushing mode (bar feeder adjusted back) or Non-Guide Bushing mode (bar feeder in the most forward position). ＊ Please contact our office for additional information. GT 326-E...

  • Page 76: Bar Preparation

    For safety and performance reasons the bar end must be chamfered at a 60 degree angle. Please contact our office for further details. GT 326-E...

  • Page 77: Spindle Reduction Tubes

    For inserting and removing the spindle reductions, move the bar feed system using the retraction device (Chapter 7/ Point 8) or slide the spindle liner through the bar feeder if design permits. Spindle reduction tubes are available upon request. GT 326-E...

  • Page 78: Operation

    Error message e01 will be shown on the HMI display. To cancel the alarm, release the button by rotating it clockwise. Pressing the Manual key will then reset the Emergency stop alarm condition. GT 326-E...
  • Page 79 MANUAL mode. Open Guiding Channel This key offers three functions : 1. When the pusher is at home position and the bar feeder is in MANUAL mode, pressing this key twill automatically GT 326-E...
  • Page 80 1. If the channel is opened by pressing when the long pusher is at a position exceeding “1ST FEED LOADING FLAG POSITION + 150mm” and the chuck of the lathe open the guiding channel will close when pressing GT 326-E...
  • Page 81 8 - 4 8.1.2 Text display area Working stage Operating mode Unit Current position Parameters Barfeed setting status R- The rest length of bar P- Available machining pieces S- Speed (RPM) T- Torque (%) 1234- Bar end times (cycle) GT 326-E...

  • Page 82: Powering Up/Down And Emergency Stop

    Do not move or change the pusher position by hand when bar feeder is powered OFF. In case the pusher was accidently moved before powering down move the pusher back to its home position. Turn the bar feeder OFF and power back GT 326-E...
  • Page 83 The alarm AL01 is displayed on HMI screen When the emergency/dangerous situation is cleared, release the emergency stop button and press the manual key on remote control to restart the bar feeder. Emergency stop button on the remote control RESET INTERRUPTION GT 326-E...

  • Page 84: Automatic/Manual Sequence

    Open the chuck of the lathe. Move the bar stopper of the lathe to the desired part length. Manually advance the bar until it touches the bar stopper in the lathe. Then close the chuck of the lathe and retract the bar stopper. GT 326-E...
  • Page 85 Switch the bar feeder to manual mode first. Switch the lathe to manual mode and open the chuck of lathe last. Never open the chuck of the lathe when the lathe is in manual mode and the bar feeder is in AUTOMATIC mode. GT 326-E...

  • Page 86: Operation Parameters

    The operation parameters are parameters that can be changed while the bar feeder is in AUTOMATIC mode. To obtain optimum performance, the operator is strongly recommended to read this chapter before making any changes to the parameters. 8.4.1 Accessing After selecting the operation parameters, the following screen will be displayed GT 326-E...
  • Page 87 Pusher torque rate To compensate the pusher friction (For sliding headstock machine) Against the cut-off tool (For sliding headstock machine) LANGUAGE Language Subject to actual use Unit of measure Subject to actual use Functions Dry run Front rest setup GT 326-E...
  • Page 88 The diameter of the guiding elements is always proposed for change after the pusher changeover cycle. NUMBER OF CLAMPING DEVICE OPENINGS Number of lathe clamping openings during the machining of one part. Used to prevent undesired part feed out during clamping opening. GT 326-E...
  • Page 89 TURRET PARKED IN POSITION Turret moves forward for a part length and waits till barstock touches it. TURRET MOVES TO POSITION Turret moves backward to touch the front tip of barstock and follows it to the part length position. GT 326-E...
  • Page 90 It will not change unless the bar feeder is moved.  During automatic cycle, the bar measuring device flag is activated while the new bar is loading. TOP CUT REFERENCE (read only) The position measured automatically from bar measuring device (SQ1) for TOP CUT value reference. GT 326-E...
  • Page 91 EXTERNAL STABILIZER (second anti-vibration) Define the pusher position where the external stabilizer opens. HYDRAULIC PUMP OFF HYDRAULIC PUMP OF AT PUSHER POSITION When the pusher reaches this position, the oil bath is not necessary anymore, and the hydraulic pump is deactivated. GT 326-E...
  • Page 92 The torque applied during machining operations. AGAINST THE CUT-OFF TOOL (For sliding headstock machine) This setup defines the torque applied when the bar stock pushes against the tool. Language LANGUAGE Allows the user to choose the barfeed HMI language. GT 326-E...
  • Page 93 Interface output signal (R4) will automatically turn on and interface signals from the lathe will be ignored. Press “STOP” to exit. FRONT REST SETUP When the bar feeder is in manual mode, use keys to control the front rest. Press “STOP” to exit. GT 326-E...

  • Page 94: Service Parameters

    8.5 SERVICE PARAMETERS Service parameters must only be modified by trained technicians or personnel authorized by LNS representative. Incorrect setup might cause safety hazards and/or unexpected malfunction or damage on either bar feeder or lathe. Accessing these parameters is password protected.
  • Page 95 Subject to actual use OPTIONS Headstock synchronization No/ Yes Subject to actual use device Keep closed/ External stabilizer operation Keep closed With chuck open/close Top cut positioning With turret/ Without turret Without turret Bar insertion check No/ Yes GT 326-E...
  • Page 96 Defines the output type of Aux. R5 ON at Aux. EOB position EOB signal Clamping device closed to start Auto mode start depends on AUTO Chuck signal Pushing depends on Auto signal Auto signal connected to A2 from the lathe GT 326-E...
  • Page 97 Alarm signal logic setup A2 is… A2 signal definition Bar feeder is not in position Retraction safety logic setup Subject to actual use signal Time for chuck jaws of the lathe 74 & 75 Time for clamping to physically fully close GT 326-E...
  • Page 98 5mm. PUSHER TYPE Allow to choose pusher with collet or pusher with cone. LOADING CYCLE ENABLE WHILE CLAMPING DEVICE Defines at End of Bar the loading cycle will initiate when receiving the chuck signal open or close. GT 326-E...
  • Page 99 ON/OFF for 3 cycles without receiving the Auto signal from the lathe. FRONT REST CLOSE AT Defines the front rest action during a bar change process. POSITION POSITION Defines the retraction distance of the pusher for spindle inching during loading of profiled bars. GT 326-E...
  • Page 100 Defines the feed rate of the pusher movement during these three situations. FEED RATE Defines the feed rate of the pusher movement during these three situations. TORQUE RATE Allow to choose torque setting with Asia or Western style. GT 326-E...
  • Page 101 00- Clamping signal (A1) logic setup 1 Clamping signal on HMI (A1) lit, the lathe chuck is closed. 2 Clamping signal on HMI (A1) lit, the lathe chuck is open. GT 326-E...
  • Page 102 Defines when the new bar change cycle is initiated by A3 signal. Bar change cycle initiates when receiving A3 signal after the End of Bar signal arises. Bar change cycle initiates at any time when A3 signal is received. ＊Refer to the timing chart <1> on 8.6.2.1 GT 326-E...
  • Page 103 10- AUTO signal (A2) setup When the lathe is switched to automatic mode, AUTO signal A2 turns ON. This parameter defines the type of A2 signal. A2 signal is a latched signal. A2 signal is a pulsed signal. GT 326-E...
  • Page 104 Defines the condition of R2 signal at End of Bar. R2 signal will be OFF during End of Bar condition. R2 signal will be ON during End of Bar condition. ＊Refer to the timing chart <3> on 8.6.2.1 GT 326-E...
  • Page 105 R3 signal turns OFF when A3 signal is activated and the pusher retracts back to home position. R3 signal turns OFF when the last machining is finished and the lathe chuck opens. ＊Refer to the timing chart <4> on 8.6.2.1 GT 326-E...
  • Page 106 Defines if the chuck of the lathe must be closed at Auto Start of the bar feeder. Safety setup. The chuck of the lathe must be closed before switching to automatic mode. The chuck condition of the lathe does not matter to switch the bar feeder to automatic mode. GT 326-E...
  • Page 107 R3 signal turns ON when the pusher reaches the End of Bar position during chuck opened. R3 signal turns ON when the last part is machined with chuck closed after the End of Bar. ＊Refer to the timing chart <4> on 8.6.2.1 GT 326-E...
  • Page 108 Used for Auxiliary End of Bar signal. Used for spindle Inching signal Used for Magazine Empty 44 Lathe door signal logic setup Lathe door signal lit, the door is open. Lathe door signal lit, the door is closed. GT 326-E...
  • Page 109 47 Alarm signal (R1) logic setup Defines the situation when R1 is ON 1. No alarm 2. Alarm 49 A2 Signal definition 1. A2 signal lit, the lathe is in automatic mode. 2. A2 signals lit, the lathe is abnormal. GT 326-E...
  • Page 110 TEST INTERFACE MODE This mode is selected for test purpose only. It allows testing the interface signals (Input/Output) of the PLC RUN OFF LNS factory test only. It’s only used for special test. GT 326-E...
  • Page 111 Chapter 8 OPERATION 8 - 34 8.5.2.1 Timing chart reference <1> Start loading signal A3 GT 326-E...
  • Page 112 Chapter 8 OPERATION 8 - 35 <2> Push signal A4 GT 326-E...
  • Page 113 Chapter 8 OPERATION 8 - 36 <3> Start signal R2 INTERFACE13 INTERFACE14 INTERFACE15 INTERFACE16 GT 326-E...
  • Page 114 Chapter 8 OPERATION 8 - 37 <4> End of Bar signal R3 INTERFACE17 INTERFACE18 INTERFACE19 INTERFACE20 INTERFACE31 INTERFACE32 INTERFACE33 GT 326-E...
  • Page 115 Chapter 8 OPERATION 8 - 38 GT 326-E...

  • Page 116: Troubleshooting Guide

    The remnant is too long or barstock is between the lathe and the bar feeder. Troubleshooting Manually remove the remnant. Description Lathe chuck is closed, press is invalid. Troubleshooting 1. Open lathe chuck. 2. Check INTERFACE00 setup related to lathe chuck signal. GT 326-E...
  • Page 117 2. Check if “INTERFACE00” setup corresponds to chuck signal. Description The bar measuring device (front stopper) is not ready when AUTO + START is pressed this message will be displayed. Troubleshooting Press channel open to clear this message. GT 326-E...
  • Page 118 <Note> Only applied when “INTERFACE24: Automatic signal connected to (A2)” is set 1. Troubleshooting 1. Switch lathe to AUTO mode. 2. If A2 signal is not used, please change the INTERFACE24 setup. Check if the “Interface45: AUTO signal” setup is correct. GT 326-E...

  • Page 119: Error Message Map

    9 TROUBLESHOOTING GUIDE 9 - 4 9.2 ERROR MESSAGE MAP The following flow chart shows a basic sequence of event that includes the alarms that can occur during production operation (bar feeder + lathe). GT 326-E...
  • Page 120 Follow the troubleshooting instructions below to solve the problems and clear the alarms. To clear the alarm after troubleshooting presses STOP. If the alarm message remains active please contact LNS or one of its representatives for further technical assistance. AL01 Emergency Stop Line Is Open!
  • Page 121 This switch is optional so this error message is only available when bar feeder installed this switch. Troubleshooting 1. Check if oil bump can supply oil smoothly. 2. Replace oil pressure switch SP2 if it’s broken. 3. Press “STOP” button on remote control to remove. GT 326-E...
  • Page 122 2. Check if switch SQ3 if defective or misadjusted. 3. Check if the air pressure is too low or if the guiding channel opening cylinder is too slow. 4. Press “STOP” button on HMI to clear the alarm. GT 326-E...
  • Page 123 1. Verify if the pusher is physically at home position and then check if the switch SQ2 is operational. 2. If the pusher is not physically at home position the servo motor encoder may be defective. 3. Press “STOP” button on HMI to clear the alarm. GT 326-E...
  • Page 124 If the PLC input X40 does not activate within 30 sec, receiving the CHUCK signal from the lathe will generate this alarm. Troubleshooting 1. Check if the interface connected to the PLC input X40 is ON. 2. Press “STOP” button on HMI to clear the alarm. GT 326-E...
  • Page 125 7. Check if the timer for controlling the chuck open/close is too short. 8. Check if the measuring device is defective or malfunctioning. 9. Check if “End of Bar” position is setup correctly. 10. Press “STOP” button on HMI to clear the alarm. GT 326-E...
  • Page 126 3. Check if <Too short> setup on “PART FEEDING” is incorrect. 4. Check if “End of Bar” position setup is incorrect. 5. Check if the headstock synchronization system works correctly. 6. Check pusher length. 7. Check if bar stock is disconnected from the pusher GT 326-E...
  • Page 127 3. Check if the clamping device is defective. 4. Check if the air pressure is too low resulting in insufficient clamping force. 5. Check if switch SQ6 is defective of misadjusted. 6. Press “STOP” button on HMI clear the alarm. GT 326-E...
  • Page 128 This only applies when feeding with the turret is used (“TOP CUT” = with turret). Troubleshooting 1. Check if the TOP CUT setup on “TOP CUT” is correct. 2. Check if the bar measuring device is defective of SQ1 switch is misadjusted. GT 326-E...
  • Page 129 5. Press “STOP” button on HMI to clear the alarm. AL36 NC Alarm! Description Barfeed receives the alarm message from lathe during Auto mode. Troubleshooting Please check the following setting and signal. INTERFACE45: A2 signal logic setup. INTERFACE49: A2 signal definition. Interface cable A2 GT 326-E...
  • Page 130 Check if the servo amplifier and motor are malfunctioning. Check if the encoder of servo motor is functional. Check if the LED of encoder input on PLC is flickering. Press “STOP” button on HMI to clear the alarm. GT 326-E...

  • Page 131: Servo Amplifier Error Messages

    EE-PROM write-in and read-out is in error. AL018 Encoder output error The encoder output exceeds the rated output frequency AL019 Serial communication RS232/485 communication is in error. error AL020 Serial communication RS232/485 communication time out. time out AL021 Reserve Reserve GT 326-E...
  • Page 132 AL099 DSP firmware EE-PROM is not reset after the firmware version is upgrade upgraded. This fault can be cleared after setting P2-08 to 30 first, and then setting P2-08 to 28 next and restarting the servo drive. GT 326-E...
  • Page 133 Use voltmeter to check whether the Use correct power supply or Input power error input voltage is within the specified limit. stabilizing power. (Incorrect power input) GT 326-E...
  • Page 134 Check if regenerative switch transistor Please contact your distributor for switch transistor is short-circuited. assistance or contact with Delta. fault Parameter setting Confirm the parameter setting and Correctly reset parameter is in error specifications of regenerative again. resistor. GT 326-E...
  • Page 135 Turn OFF the power supply and restart the servo drive. Potential Cause Checking Method Corrective Actions Use pulse frequency detector to Correctly set the input pulse Pulse command measure input frequency. frequency. frequency is higher than rated input frequency. GT 326-E...
  • Page 136 Execute the drift adjustment executing the drift adjustment exceeded its again. (Set P2-08 to 20 first, and again, please contact your maximum allowable then set P4-10 to 5.) distributor for assistance or value. contact with Delta. GT 326-E...
  • Page 137 Check if there is overload or the Increase motor capacity or The drive has motor current is too high. reduce load. exceeded its rated load during continuous operation. Check the drive input wiring. Ensure all wiring is correct. Short-circuit at drive output. GT 326-E...
  • Page 138 E0001 is applied to the drive, it indicates displayed on LED display. that the data in EE- RPM is damaged or there is no data in EE-PROM. Please contact your distributor for assistance or contact with Delta. GT 326-E...
  • Page 139 Check whether communication cable Not receiving Tighten the communication cable, communication is loose or broken. make sure the communication command for a long cable is not damaged and ensure time. all wiring is correct. GT 326-E...
  • Page 140 Delta. are placed in separate conduits from the cables connected to R, S, T and U, V, W terminals to prevent the interference. 3. Check if the shielded cables are used when performing encoder wiring. GT 326-E...
  • Page 141 3. Check if the shielded cables are 3. Please use shielded cables used when performing encoder for Encoder wiring. wiring. 4. If the error does not clear after all the above actions are done, please contact your distributor for assistance or contact with Delta. GT 326-E...
  • Page 142 3. Please use shielded cables are used when performing for Encoder wiring. encoder wiring. 4. If the error does not clear after all the above actions are done, please contact your distributor for assistance or contact with Delta. GT 326-E...
  • Page 143 P1-57 and P1-58 are both too 58. Please note that the period of time set by small. over-low setting may results in parameter P1-58. malfunction, but over- high setting may let the motor protection function not operate. GT 326-E...
  • Page 144 05) to check if encoder errors encoder output. take corrective actions. occurred. (AL011, AL024, AL025, AL026) Output pulses Correctly set P1-76 and Check if conditions below occur, exceed hardware P1-46: P1-76 < Motor rotation speed, or tolerance. P1-76 > Motor rotation speed, and, GT 326-E...
  • Page 145 Checking Method Corrective Actions Check if EE-PROM is reset after EE-PROM is not Set P2-08 to 30 first, and then the firmware version is upgraded. reset after the 28 next, and restart the servo firmware version is drive. upgraded. GT 326-E...

  • Page 146: Factors Affecting Performance

    It is, therefore, highly recommended to install reduction liner inside the spindle as indicated in the start-up manual. GT 326-E...
  • Page 147 In general, the difficulty increases with the specific weight of the bar. Steel bars are relatively easy to guide. Because of their great flexibility and specific weight, brass bars are relatively difficult to guide at high speeds. Aluminum bars of aluminum are very easy to guide. GT 326-E...

  • Page 148: Maintenance

    At no time should solvents, such as acetone, or diluents be used for cleaning the bar feed system. At no time should cleaning products come into contact with electrical components. GT 326-E...
  • Page 149 9 TROUBLESHOOTING GUIDE 9 - 34 GT 326-E...

  • Page 150: Appendices

    N… PARTS CATCHER OFF (IF AVAILABLE) N… N… N… X, Z, G, F, T, S, M, ... N… N… N... END OF PROGRAM (LOOP) Important: The above is an example only. Programming may change according to the application. GT 326-E...

  • Page 151: Appendix B: Odering Form

    Chapter 10 APPENDICES 10 - 2 APPENDIX A: ODERING FORM This form should be photocopied, duly filled out, and sent to LNS or to your nearest LNS Representative/Agent Company name: Person in charge: Address: ZIP: City: Country: Phone: Fax: Type of device: Serial number: Qty.

  • Page 152: Appendix C: Address Lns

    Chapter 10 APPENDICES 10 - 3 APPENDIX C: ADDRESS LNS LNS Main Offices: LNS Europe: www.lns-europe.com LNS America: www.lns-america.com LNS Asia: www.lns-asia.com GT 326-E...
  • Page 153 Chapter 10 APPENDICES 10 - 4 GT 326-E...
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  • Page 185 GT 326-E GT 326-E ALPHA 326 A-32...
  • Page 186 GT 326-E GT 326-E ALPHA 326 A-33...
  • Page 187 GT 326-E GT 326-E A-34...
  • Page 188 GT 326-E GT 326-E ALPHA 326 A-35...
  • Page 189 GT 326-E GT 326-E ALPHA 326 A-36...
  • Page 190 GT 326-E GT 326-E ALPHA 326 A-37...
  • Page 191 GT 326-E GT 326-E ALPHA 326 A-38...
  • Page 192 GT 326-E GT 326-E ALPHA 326 A-39...
  • Page 193 GT 326-E GT 326-E ALPHA 326 A-40...
  • Page 194 GT 326-E GT 326-E ALPHA 326 A-41...
  • Page 195 GT 326-E GT 326-E ALPHA 326 A-42...
  • Page 196 GT 326-E GT 326-E ALPHA 326 A-43...
  • Page 197 GT 326-E GT 326-E ALPHA 326 A-44...
  • Page 198 GT 326-E GT 326-E ALPHA 326 A-45...
  • Page 199 GT 326-E GT 326-E ALPHA 326 A-46...
  • Page 200 GT 326-E GT 326-E ALPHA 326 A-47...
  • Page 201 GT 326-E GT 326-E ALPHA 326 A-48...
  • Page 202 GT 326-E GT 326-E ALPHA 326 A-49...
  • Page 203 GT 326-E GT 326-E ALPHA 326 A-50...
  • Page 204 GT 326-E GT 326-E ALPHA 326 A-51...
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  • Page 210 GT 326-E GT 326 ALPHA 326 A-57...
  • Page 211 GT 326-E GT 326 ALPHA 326 A-58...
  • Page 212 GT 326-E GT 326 ALPHA 326 A-59...
  • Page 213 GT 326-E GT 326 ALPHA 326 A-60...
  • Page 214 GT 326-E GT 326 ALPHA 326 A-61...
  • Page 215 GT 326-E GT 326 A-62...
  • Page 216 GT 326-E GT 326 ALPHA 326 A-63...
  • Page 217 GT 326-E A-64...
  • Page 218 Item Part No. Descr. Qty. ST3300700 14*17 D6430200 D6430300 22*24 D6430600 SN350300 C15120100 D6332300 Large Washer_AI 3-4" GT 326-E A-65...

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