Troubleshooting
OPTIMUM
M A S C H I N E N - G E R M A N Y
©
2010
US
Page 54
Mill Drill
BF 30 Vario
Version 1.0.6
Stand 27 / 08 / 2010
7
Troubleshooting
7.1
Troubleshooting the mill drill
Problem
Cause/
possible effects
Solution
Mill drill does not start
•
Start sequence not followed.
•
„Starting the mill drill“ on page
25
•
Have it checked by authorised per-
sonnel.
Tool „burn“.
•
Incorrect speed.
•
The chips have not been removed
from the bore hole.
•
Tool blunt.
•
Operating without cooling agent.
•
Select another speed, feed too
high.
•
Retract tool more often
•
Sharpen and replace tool.
•
Use coolant.
Impossible to insert
holding taper into the
spindle sleeve.
•
Remove any dirt, grease or oil
from the internal conical surface of
the spindle sleeve or the holding
taper.
•
Clean surfaces well.
Keep surfaces free of grease.
Taper cannot be removed
•
Optional MT 3 taper seat shrunk
on Morse cone.
•
Have the machine heat-up at
highest speed for about two minu-
tes and then try again to disas-
semble the taper.
Motor does not start
•
Defective fuse
•
Have it checked by authorised per-
sonnel.
Working spindle rattling on
rough workpiece surface
•
Climb milling machining not pos-
sible under the current operating
conditions.
•
Clamping lever of the movement
axes not tightened.
•
Loose collet chuck, loose drill
chuck, loose draw-in rod
•
Tool blunt.
•
Workpiece is not fixed.
•
Excessive slack in bearing.
•
Working spindle goes up and
down.
•
Perform conventional milling
machining.
•
Tighten clamping lever
•
Check, re-tighten.
•
Sharpen or replace tool
•
Secure the workpiece properly.
•
Readjust bearing slack or replace
bearing.
•
Readjust bearing slack or replace
bearing.
Fine feed of spindle does
not work
•
Fine feed is not correctly activated
•
Clutch of the fine feed does not
engage, is dirty, smeared, worn or
defective
•
„Manual spindle feed with the
fine feed“ on page 30
•
Clean, replace
