Molds & Tooling
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Equipment wear from glass fiber reinforced PP
Fenómeno del problema
The screw and mold wear faster, and the dimensions and surface quality drift after a period of production.
Análisis de la causa
Glass fiber has an abrasive effect on the screw, non-return ring, and mold runners; long-term operation increases the clearance and roughens the surface, causing the process window to drift.; during on-site investigation, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Solución
①Select wear-resistant materials for the screw and mold inserts; ②regularly check the screw clearance; ③monitor the trend of key dimensions; ④replace wearing parts according to the life cycle.; after adjustment, continuously sample and verify the effect, and resume mass production after confirming stability
Conclusión clave
Equipment wear in reinforced material production is a continuous cost; wear-resistant configuration plus trend monitoring is the standard management.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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