7: TROUBLESHOOTING
©Tormach® 2021
Specifications subject to change without notice.
Page 71 UM10753: 8L Operator's Manual (Version 0321B)
For the most recent version, see tormach.com/support
Cause: The spindle tooling isn't properly clamped (Z-axis only).
Probability How-To Steps Need More?
High
Examine the cutter to verify that it's not slipping in the holder, or that the
tool holder isn't pulling out of the spindle collet.
Cause: The motor coupling is loose or cracked.
Probability How-To Steps Need More?
Low
Examine the motor coupling.
You may find it useful to carefully run
the axis with the cover removed. Make
a paint line from the shaft through the
coupling to the screw to examine if
there's any movement over time.
Cause: Controller or PathPilot problem.
Probability How-To Steps Need More?
Low
Restart the controller and send the log file (from the logfiles directory) to
Tormach Technical Support (support@tormach.com).
For information, see "Getting Help"
(page58).
Cause: There's an obstruction or excessive friction (the gibs aren't adjusted properly, or poor lubrication), or there's high load in the
mechanical system.
Probability How-To Steps Need More?
Low
Jog the axis and carefully observe the motion.
If you lose steps, it's normally many
steps. You should be able to hear the
motor. Mechanical issues most often
result in losing a large number of steps
or stalling. Typical mechanical issues
include: an increase in friction due to
lack of oil at the way surfaces or ball
screw and/or improperly adjusted gibs.
They also come from excessive load on
the system due to chips or debris on
the way surfaces or ball screw, a
sticking Z-axis brake or an end-of-travel
bumper wedged against the motor
mount casting. This occurs sometimes
after a limit switch failure and is more
common on the Z-axis.
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