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XYZ Machine Tools Ltd
TRAK
2
OP
Installation, Maintenance, Service & Part List Manual
4.6.4
Electronic Handwheel Moves Machine in Wrong Direction
The Electronic Handwheel moves the machine in the wrong direction on all 3 axis. When you move the
EHW in a CW fashion on the machine, each axis should move in a positive direction.
Possible Cause
Check This
The EHW has been replaced and
wired wrong
Make sure the A and A' wires and B and B' wires are fastened to the
proper terminals on the EHW. The wires are labeled as well as the
terminals on the actual EHW device.
4.7
Machine Tool Problems
4.7.1
X, Y or Z-Axis Noisy
While jogging or cutting on a particular axis, the axis makes unusual noises.
Possible Cause
Check This
The way covers are not properly
aligned on the Y or Z axis
Move the axis that the noise is coming from until the way cover is
collapsed completely, slacken the SHCS that secure the way cover
to the spindle bracket, allow the cover to centre itself and then
retighten.
Examine way cover for damage.
Inadequate or no Lubrication to
the Ballscrew and linear guides
Make sure the ballscrew and linear guides are getting proper
lubrication. If not, check to make sure that the lube pump is
functioning properly. Also check for any pinched or blocked oil lines.
Machine Tool and Setup problem
Check for any looseness in the setup (Tool, Tool holder, Part, Vise,
or Fixture). See Machine Tool & Setup Section 5.1
A crash has damaged the angular
contact bearings of the drive train.
Remove the bearings and check for damage, any damage felt by
rotating the bearings in your hand may be very subtle.
Mechanical Drive Train
Misaligned ballscrew, or top and lower bearing failure.
Z-axis motor failure
Replace Z-axis motor
See Motor Diagnostics Section 5.5
Z axis brake malfunctioning
The Z axis brake may be rattling or it is turned on when it should
not be.
4.7.2
Spindle Stalls or Turns-Off During Machining
During machining, the spindle turns off or loses power.
Possible Cause
Check This
Machine Tool and Setup problem
Check the type of material being cut, type and size of cutting tool,
RPM, and Feed rate. Also check the condition of the cutter to verify
that the cutter is sharp. See Machine Tool & Setup Section 5.1
Cut more than the machine is
capable
Check width and depth of cut
Spindle run command not
reaching AC Drive
See diagnostic section 5.6.2 for how to check this signal.
Spindle Drive parameters are not
correct
Contact Customer Service for assistance.
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