Extrusion & Post
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TPE Extrusion Surface
Fenómeno del problema
Extruded product surface is rough.
Análisis de la causa
Low temperature poor plasticization or die buildup; shear overheating also affects the surface.; 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
①Raise the temperature; ②clean the die; ③optimize screw speed; ④check the die condition.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
Extrusion surface relies on temperature and die management.; 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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