Molds & Tooling
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TPE Product Cold Slug Mark
Fenómeno do problema
Cold material marks on the surface.
Análise das causas
Nozzle temperature low; cold material enters the cavity.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solução
①Raise the nozzle temperature; ②set a cold slug well; ③optimize the gate; ④check the heating.; 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
Cold material is intercepted by the cold slug well.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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