Molds & Tooling
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PVDF Product Flash
Fenómeno del problema
Flash at the parting line.
Análisis de la causa
Insufficient clamping force or mold wear; high-pressure melt seeps into the gap.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience; This mechanism has been repeatedly verified by industry materials, and it should be confirmed first during troubleshooting
Solución
①Check the clamping force; ②repair the parting line; ③reduce the pressure peak; ④repair wear.; After adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
For flash, distinguish between clamping and wear causes.; 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 in the future
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