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TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TMC Mills with ProtoTRAK RMX CNC Safety, Installation, Maintenance, Service & Parts List
Possible Cause
Check This
Backlash problem
Unusual high backlash values are causing slight variations
in your part dimensions. Values for backlash should be less
than 0.0005”.
3.1.3.2
The Dimensional Errors Are Random or Accumulate in Size Over the
Part Program Run
Possible Cause
Check This
X and Y-axis Drive Trains are loose
Check Repeatability using the Repeatability and Positional
Accuracy procedure. Step by step, carefully inspect the
Drive Train for any looseness. It may be necessary to
disassemble and then reassemble the Drive Train
3.2
Motion Related Problems
3.2.1
Run Away Axis
The axis makes an unwanted move at rapid speed in one direction and faults out. This is usually caused
by an encoder signal being interrupted or following error building up on that axis. Following error is when
the control sends a signal to the motor and the motor does not respond as it should. Once the error
builds up to a certain point this will lead to a following error fault.
Do the following Service Codes:
•
Code 33
Software Identification. This is needed if you call SWI Customer Service
Possible Cause
Check This
Poor cable connection
Check the cable connections at the motor, computer
module and servo amp
Bad Servo Amp
Check the status of LED lights on servo amp when problem
occurs.
Bad Motor Encoder
Contact TRAK to arrange service.
Computer module
See section 5.1.2 to replace computer module.
3.2.2
Axis Will Not Jog with Electronic Handwheel
The system powers up but will not respond to the jog command using the electronic handwheel.
Do the following Service Codes and procedures:
•
Code 33
Software Identification. This is needed if you call SWI Customer Service
•
Code 132
Each revolution of the EHW should display 100 counts on the screen
Possible Cause
Check This
Software may be in an indeterminate
state
Press the MODE button and reenter the same screen and
see if EHW works.
E-Stop is pressed in
Check E-Stop. Make sure the servo ON button has been
pressed to energize the servo system.
EHW has failed
Verify the wiring of the EHW and replace as necessary. If
only 1 axis will not jog, then it is not the EHW.
Poor cable or wiring connections
See Electrical Sections 2.8.
Servo Drive failure
See Section 5.1.9
Motor failure
Contact TRAK for service.
Computer module failed
See section 5.1.2 to replace computer module.
