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SC-5 SURE CUT Servo Knife Cutter UGE059/1003
6-10 TROUBLESHOOTING
Symptom
◆ Cracks at cut
site.
Possible cause
The extrudate is too cold.
The blade speed is too
high.
The bushings are not pro-
viding enough support
during cutting.
The cutting blade is too
sharp.
If using Nylon, it may be
cooling too quickly.
Solution
If the extrudate is too cold, it
can fracture or whiten during
cutting. Raise the extrudate's
temperature.
High blade speeds can cause
too much impact. Lower the
blade speed.
Change the bushing design to
make them more supportive.
A blade that is too sharp can
fracture some materials, espe-
cially rigid PVC and nylons.
Slightly dull the blade.
If nylon is cooled too quickly,
its molecular structure may
become unstable, leading to
poor physical properties. Try
more gradual cooling.
PRODUCT
QUALITY
PROBLEMS
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ONTINUED