Segmented mandrel T213 – Trouble shooting
Fault
Possible cause
Fault correction
Corrected by
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:
7.
xxx
1. Reset the emergency-stop device
2. Acknowledge the fault on the machine tool con-
troller
3. Ensure that no one is in the danger zone
4. Start the machine tool
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