Molds & Tooling
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PP Surface Orange Peel
Fenómeno del problema
【Problem Phenomenon】Orange peel texture on PP high-gloss parts
Análisis de la causa
Unstable front plus insufficient mold temperature; cavity transfer; uneven crystallization also affects; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solución
Increase mold temperature and injection speed to stabilize the front; high polishing of the cavity; crystallization uniformity; after adjustment, take continuous samples 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
PP orange peel stabilizes the front plus polishing, uniform crystallization assists; 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 similar problems in the future
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