Segmented mandrel T812.
Trouble shooting
Fault
Possible cause
Fault correction
Corrected by
deviation on
the work
piece
Contaminated
clamping taper
Disassemble the clamping
unit and clean the
clamping taper
[see section »Cleaning«].
Specialist
Formal defect
on the work
piece
Elastic deformation of
feedstock that is subject
to formal defects. After
machining the
workpiece returns to its
original form.
Use feedstock with fewer
formal defects.
If technically justifiably
reduce the clamping
pressure.
Specialist
Marks on the
clamping
surface
Point or linear work
piece clamping
Replace with a clamping
unit that has a smoother
clamping surface
Specialist
Excessive dimensional
difference between the
work piece diameter
and the clamping bore
Replace with a clamping
unit that has a suitable
clamping bore
Specialist
9.3 Start-up after corrected fault
After correcting the fault execute the following steps to
start up again:
10.
xxx
1. Reset the emergency-stop device
2. Acknowledge the fault on the machine tool controller
3. Ensure that no one is in the danger zone
4. Start the machine tool
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Order H49 [0]7144. 907-333
Содержание T812
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