Malfunctions; Damage To The Drilling-Milling Machine - Optimum OPTImill BF 46TC Betriebsanleitung

6

Malfunctions

6.1

Damage to the drilling-milling machine.

Malfunction
The drilling-milling machine
does not start
Tool "burnt".
Impossible to insert grip cone
into the spindle sleeve.
It is not possible to push-out
the taper.
Motor does not start
Working spindle rattling on
rough piece surfaces
Fine feed of the spindle sleeve
does not work
Version 1.1.3 dated 2014-4-8
Cause / possible effects
• Power-on sequence ignored.
• Incorrect speed.
• Chips do not come out of the bore hole
• Tool blunt.
• Operating without cooling agent.
• Remove any dirt, grease or oil from the
internal conical surface of the spindle
sleeve or the grip cone.
• Optional MT4 taper is shrinked on the
Morse taper.
• Defective fuse.
• Climb milling machining not possible
under the current operating conditions.
• Clamping lever of the movement axes
not tightened.
• Loose collet chuck, loose drill chuck,
loose draw-in rod.
• Tool is blunt.
• The workpiece is not fastened.
• Excessive slack in bearing.
• Working spindle goes up and down.
• Fine feed is not correctly activated.
• Coupling of the fine feed does not cam-
in, is soiled, blurred, worn, defective
Original operating instructions
OPTIMUM
M A S C H I N E N - G E R M A N Y
Solution

• "Switching on the drilling-mill-
ing machine" on page 80 and
"Switching on the drilling-milling
machine" on page 85
• Have it checked by authorised per-
sonnel.
• Select another rate, feed too high.
• Pull out tool more often.
• Sharpen or replace tool.
• Use cooling agent
• Clean surfaces well
Keep surfaces free of grease.
• Let the machine run at highest
speed for two minutes in order to
warm it up and then retry to disas-
semble the taper.
• Have it checked by authorised per-
sonnel.
• Perform conventional milling.
• Tighten clamping lever
• Check, re-tighten.
• Sharpen or replace tool
• Clamp the workpiece firmly.
• Readjust bearing slack or replace
bearing
• Readjust bearing slack or replace
bearing

• "Manual spindle sleeve feed
with the fine feed" on page 91
• Clean, replace.
BF46V | BF46TC

GB
Page 101