Molding Process
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Fast cutter wear of PLA pelletizing water ring
Problem Phenomenon
When PLA is pelletized by water-ring cutting, the cutter wears abnormally fast.
Cause Analysis
PLA melt viscoelasticity, stringing and tailing cause large cutter load.
Solution
Optimize the pelletizing process (match water temperature and cutter speed).
Key Takeaway
PLA pelletizing cutter life is lower than conventional plastics.
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