Troubleshooting - Allmatic NC8 Serie Instructions De Service

11 | Troubleshooting

3. Push spindle nut (5) out of the basic body (3).
4. Thoroughly clean and oil the individual parts of the NC8.
5. On assembly, tighten the screws of the spindle (4) according to the table.
Tightening torque
When dismantling, work carefully and pay attention to small parts.
11 Troubleshooting
Fault
Spindle or spindle nut moves
with difficulty.
Clamping force is not built up. Minimum chuck capacity
Spindle can no longer be
turned.
72 / 410
NC8 - 90 NC8 – 125 M/L
50 Nm
Cause
Spindle thread or sliding sur-
faces contaminated with swarf
or corroded.
reached.
Workpiece clamped laterally
too far off centre.
Coupling is released too early. Check spindle and spindle nut
Power assist defective.
After releasing the clamping
force, the coupling has no
longer tangibly locked into po-
sition again.
Mobile jaw fixed with too long
screws.
NC8 – 160/200/Heavy - Duty
60 Nm
Remedy
Dismantle NC8 and oil.
Use different jaws.
Clamp workpiece centrally.
for smooth running, remove
corrosion if necessary.
In the event of a worn coup-
ling mechanism, contact
ALLMATIC Service.
Contact ALLMATIC Service.
Lock spindle into position
again by turning counter-clock-
wise.
Install new rubber scrapers.
Use screws of suitable length
ALLMATIC
80 Nm
NC8 Series