ACU-RITE MILLPWR 3 Axes - Manual (Page 235)

TROUBLESHOOTING GUIDE
MILLPWR ®
Operation Manual 9-10
Poor finish (cont’d) Lower the quill full travel
with a sturdy tool inserted
into the spindle. Set up a
dial indicator to check
movement of the spindle;
then move the tool side-to-
side. Total movement
should be within the
machine tool manufactur-
er's specifications between
the spindle and the spindle
bearings; and between the
quill and the bore. You may
have to replace the spindle
bearings. Worn spindle bearings
Symptom
Recommended
Corrective Action
Probable Cause
System is out of tune. Perform the auto tuning pro-
cedures for both the X- and
Y-axes.
If auto tuning your system
does not correct the problem,
contact your ACU-RITE dis-
tributor.