Processing Machinery
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PET zipper monofilament
Fenómeno do problema
Insufficient strength of zipper PET monofilament after tooth forming
Análise das causas
Monofilament orientation and crystallinity affect the engagement strength after tooth forming; the process window is narrow; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solução
Optimize monofilament draw ratio and heat setting; control tooth forming temperature; test according to zipper industry standards; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
Zipper monofilament controls strength and formability according to industry standards; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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