Molds & Tooling
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PCABS holding pressure management
Fenómeno del problema
PC/ABS holding pressure and time, balance between sink marks and stress.
Análisis de la causa
PC/ABS holding pressure management; shrinkage compensation for shrinkage cavities and dents; holding pressure time extension; pressure increase; stress freezing; gate freezing; weight optimization.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solución
①Holding pressure optimization; ②time extension; ③stress balance; ④gate freezing; ⑤weight monitoring.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
PCABS holding pressure is the balance between sink marks and stress; optimization is based on testing; fixing ensures consistency.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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