Molds & Tooling
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Uneven Color and Transparency of PEEK Products
Fenómeno del problema
【Problem Phenomenon】PEEK products from the same mold are partially transparent and partially milky white, with inconsistent color depth
Análisis de la causa
Uneven crystallinity causes optical differences: uneven mold temperature distribution or local hot spots make the crystallization degree of each region different; transparent areas are low-crystallinity areas with correspondingly weaker performance; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solución
Balance the mold temperature distribution to eliminate local hot spots; check cooling water circuit blockage and design defects; increase the overall mold temperature to homogenize crystallization; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
Uneven color and transparency is a crystallization distribution map; mold temperature balance is the radical cure; 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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