Molds & Tooling
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TPE Product Deformation Aging
Fenómeno del problema
Dimensions continue to change after demolding.
Análisis de la causa
TPE elastic recovery and stress relaxation continue; high temperature accelerates the change.; 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
Solución
①Measure after aging; ②stabilize the process; ③control the environment temperature; ④leave margin for critical dimensions.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
Give sufficient aging time for dimensional judgment; elastic materials need more waiting for stability.; 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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