HYDROK
Faults
Order h49 7144.907-333
107
Fault
Possible cause
Remedial action
Remedied by
Dirty clamping ta-
per
Remove clamping element / func-
tional unit and clean the clamping
taper
Geometry error on
the workpiece due
to incorrect type of
clamping element
Use a suitable clamping element
Elastic distortion
Reduce the clamping force to the
level applicable for the clamping
device and the workpiece
Check the workpiece material
Indentations on
the clamping sur-
face
Clamping force is
too high
Reduce the clamping force to the
level applicable for the clamping
device and the workpiece
Skilled special-
ist
Incorrect type of
clamping element
Use a suitable clamping element
Dirty clamping ele-
ment
Clean the clamping element
Damaged clamp-
ing element
Replace the clamping element
Dimensional differ-
ence between
workpiece diame-
ter and clamping
bore is too big
Use clamping element with suita-
ble clamping diameter
Table 24: Fault table
13.3 Commissioning after a fault has been remedied
After the fault has been remedied, perform the following
steps to recommission it:
1. Reset the emergency stop equipment.
2. Acknowledge the fault on the control unit of the machine
tool.
3. Ensure that no-one is in the danger area.
4. Start the machine tool.
