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5.5 TROUBLE SHOOTING
Trouble
Chuck part is damaged
Chuck
won't start
Slide part seized
Cutting powder or sward is
entered into chuck
Handle
Rust occurs at slide part and
rotation is
rotation part
hard
Short taper is not coincided
with spindle
Formed dia. of jaw does not
match workpiece dia.
Workpiece
slips
Clamping force is insufficient
Cutting force is excessively
high
Workpiece
slips
Speed is excessively
Oil for slide part and rotary
part is run out.
The chuck periphery is run
out
Poor
The forming of jaw
accuracy
insufficient
Height of jaw excessively
high and mounting bolts are
extended
5.6 Independent chuck
1. Note whether the clamping chuck is tight or not.
2. Reduce speed to cut irregular work pieces, in order to avoid the vibration
created by the machine.
Cause
Page 5-5
Countermeasures
Disassemble and replace
Disassemble and remove seized
and repair or replace it
Disassemble and clean
Disassemble and remove the
rust
Modify the short taper
Reform it according to correct
forming method
Check the chuck is tightened
with regulated handle torque
Calculate the cutting force and
check whether the force
coincides with chuck
specifications
Reduce speed to level where
required clamping force can be
obtained
Lubricate from the ball cap and
make the clamp/unclamp of jaw
without clamping the work
Check to see that periphery and
edge face run out and tighten
the bolts with regulated toque
Check the forming plug is
parallel for edge face and isn't
deformed for clamping force
Reduce the jaw height
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Table of Contents
Troubleshooting
