Optimum Optidrill B 24H Betriebsanleitung Seite 135

Malfunction
Spindle bearing overheating
Rattle the spindle if the
workpiece surface is rough.
Malfunctions
Version 2.2.6 - 2020-07-21
Cause/
possible effects
• Bearing worn down
• Bearing pretension is too high
• Working at high drilling speed over a
longer period of time.
• Excessive slack in bearing.
• Spindle moves up and down
• Adjustment strip loose
• Clamping chuck is loose
• Tool is blunt.
• Workpiece is loose
Translation of the original instructions
Solution
• Replace
• Increase bearing clearance for fixed
bearing (taper roller bearing)
• Reduce drill speed and feed rate
• Reduce bearing clearance or replace
bearing
• Readjust bearing clearance (fixed
bearing)?
• Adjust strip to the correct slack using
the adjusting screw
• Check, re-tighten
• Sharpen or renew the tool.
• Clamp the workpiece firmly.
B24H | B24HV | B28H | B28HV GB
135