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- 6 -
(Table 5)
Problem
Cause
Countermeasures
Insufficient
clamping
The clamping are taper notconform with
dimension
Replace jaws
The axial clamping Length short
Increase clamping length
The taper in workpiece
Process workpiece surface
The input torque is small
Increase the input torque
Over the clamping range
Replace chucks
Lubrication is poor
More lubricate
Poor
accuracy
In using clamping or working dirty
Maintenance jaws and workpiece clean
when working
When replacing jaws,No.1,2,3 jaws are
wrong
Mount the jaw in order
Something wrong with the short-taper chucks
Adjust the chucks
mounting position
Short-taper surface dirty when mounting
chucks
Maintain the
short-taper clean
Addpter accuracy not conform the mounting
dimension
Matched adapter conforms
to demand
Adapter plate with chucks connection
tolerance too large
Matched adapter conforms
to demand
Impurity things in the top jaw and base jaw
Keep top jaws and base jaws mounting
face clean when replacing jaws
The clamping arc taper does not conform
dimension
Replace jaws
Cear shall
not work
Impurity thing in the chucks
Clean and lubricate
Lubrication is poor
Lubricate
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