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M A S C H I N E N - G E R M A N Y
Malfunctions
©
200
7
GB
Page 55
18 / 01 / 2008
Version 1.2.5
B 13 / B14 / B16 / B20 / B25 / B32
Drilling machine
The temperature of the
spindle bearing is too
high
•
The bearings are worn out
•
The pretension of the bearings is
too high
•
Working with high drilling revolu-
tions for a long period of time
•
Replace
•
Reduce clearance in the bearing
for (taper roller bearings)
•
Reduce drilling revolutions / feed
Ratteling of the working
spindle when working
with rough workpiece
surfaces
•
Clearance of the bearing too
wide
•
The working spindle moves up
and down
•
The adjusting gib has come loose
•
Clamping chuck is loose
•
Tool is blunt
•
Workpiece is loose
•
Adjust the clearance of the bear-
ing or exchange the bearing
•
Adjust the clearance of the bear-
ing
•
Adjust the gib with the adjusting
screw to the correct clearance
•
control, retighten
•
Sharpen the tool or replace it
•
Clamp the workpiece properly
Malfunction
Cause/
possible effects
Solution