Optimum 3338460, Руководство по эксплуатации

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Version 1.1.8 - 2021-7-29 113 Translation of original instructions
MB4P ǀ MB4PV EN
MB4P_
M
B4PV
_GB
_7.
fm
6 Malfunctions
6.1 Damage to the drilling-milling machine.
Malfunction
Cause/
possible effects
Solution
The drilling-milling machine
does not start • Power-on sequence ignored. •

"Operating panel MP4P“ on
page 90
• Have it checked by authorised
personnel.
Tool "burnt". • Incorrect speed.
• Chips do not come out of the bore
hole.
• Tool blunt.
• Operating without cooling agent.
• Select another rate, feed too high.
• Pull out tool more often.
• Sharpen or replace tool.
• Use cooling agent
Impossible to insert grip cone
into the spindle sleeve. • Remove any dirt, grease or oil
from the internal conical surface of
the spindle sleeve or the grip
cone. • Clean surfaces well
Keep surfaces free of grease.
It is not possible to push-out
the taper. • MT4 taper is shrinked on the
Morse taper. • Let the machine run at highest
speed for two minutes in order to
warm it up and then retry to
disassemble the taper.
Motor does not start • Defective fuse. • Have it checked by authorised
personnel.
Working spindle rattling on
rough piece surfaces • 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.
• 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
Fine feed of the spindle
sleeve does not work • Fine feed is not correctly activated.
• Coupling of the fine feed does not
cam-in, is soiled, blurred, worn,
defective
•

"Spindle sleeve feed with the
manually fine feed“ on page 97
• Clean, replace.