OPTIMUM Maschinen OPTIturn 3432420, Руководство по эксплуатации

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Operation
Version 1.0.5 - 2020-12-09 41 Translation of original instruction
TX4414 EN
T
X
4414
_GB
_4.
fm
4.11.3 Maintenance of chucks
A crucial prerequisite for fault-free functionality of a lathe chuck is regular and thorough lubrica-
tion of the sliding surfaces. This prevents the reduction of tensioning force and premature wear
and tear. Always observe the manufacturer's maintenance instructions when using replacement
lathe chucks.
Coolant squirts on the lathe chuck and removes the grease from the jaws. In order to maintain
the tensioning force and the long-term accuracy of the lathe chuck, the lathe chuck must be
lubricated regularly. Insufficient lubrication will result in malfunctions with significantly reduced
tensioning force, which affects the accuracy and causes excessive wear and seizing.
Lubricate the installed lathe chuck at least once per week. The used lubricant should be of high
quality and provided for high pressure bearing surfaces. The lubricant should withstand the
coolant and other chemicals.
Clamping jaws and jaw mounting screws are wear and tear parts. The service life is limited. We
therefore recommend having them inspected at regular intervals by a specialist (e.g. inspection
for cracks using a dye penetration process or magnet powder test (fluxing), eddy current test-
ing, ultrasound testing) and replace if necessary.
4.12 Clamping a workpiece into the lathe chuck
When the workpiece is being clamped unprofessionally, there is a risk of injury as the work-
piece may fly off or the jaws may break. The following examples do not show all possible situa-
tions of danger.
Incorrect Correct
Clamping length too short,
overhang too long. Additional support over
center or rest.
Clamping diameter too
large. Larger

lathe necessary.
Workpiece is too heavy
and clamping jaw is too
short.
Support over center,
enlarged jaw.
Enlarged jaws are not
available for this three-jaw
chuck.
Possibly use larger lathe.