Extrusion & Post
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TPE Extrusion Thickness Fluctuation
Fenómeno del problema
Extruded profile dimensions fluctuate.
Análisis de la causa
Unstable extrusion output or haul-off fluctuation; temperature affects the melt state.; 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
①Stabilize extrusion output; ②calibrate the haul-off; ③stabilize the temperature; ④online detection.; 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
Conclusión clave
Dimensional stability relies on the dual stability of extrusion and haul-off.; 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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