Molds & Tooling
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PPS product venting design
Fenómeno del problema
Air trap problems.
Análisis de la causa
PPS high temperature has high air trap risk; venting must be sufficient.; 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 data and should be confirmed first during troubleshooting
Solución
①Improve the venting system; ②focus on the end; ③depth control to prevent flash; ④regular cleaning.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
PPS venting depth must balance flash prevention; low viscosity requires shallower vent grooves.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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