Molds & Tooling
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TPU Surface Tackiness
Fenómeno do problema
TPU product surface is sticky
Análise das causas
Mold temperature too high or demolding too early, the soft TPU surface is not yet set; when troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Solução
Lower mold temperature; extend cooling time; use release agent as an aid; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Conclusão principal
For surface tackiness, check mold temperature and cooling; 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 later
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