Molds & Tooling
6 مشاهدة
PP Part Uneven Gloss
ظاهرة المشكلة
Gloss differences between areas of the same part, corresponding to mold temperature distribution.
تحليل الأسباب
Uneven mold cooling causes different surface replication states in each area; PP crystallinity differences also manifest as gloss differences.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
الحل
①Balance cooling water circuits; ②measure cavity temperature distribution; ③unify mold temperature; ④repair water circuit blockages.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
Uneven gloss points to a mold temperature distribution problem; water circuit balancing modification can solve it once and for all.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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