Molds & Tooling
4 görüntüleme
PA6 Mold Temperature 60-90°C
Sorun Belirtisi
Products show uneven crystallization and poor surface gloss, or warpage after demolding and dimensional drift over time
Neden Analizi
When the mold temperature is below 60°C, the PA6 surface layer is quenched and under-crystallized, forming a difference between the amorphous surface layer and the internal crystallization, and post-crystallization causes dimensional drift; appropriate mold temperature promotes uniform crystallization and stabilizes dimensions
Çözüm
①Mold temperature 60-90°C, PA66 can be 70-100°C; ②take the upper limit for thick-walled and dimensionally precise parts; ③zoned control by the mold temperature controller, with the cavity temperature difference less than 5°C
Temel Çıkarım
Mold temperature determines PA6 crystallization quality and dimensional stability; the fundamental cure for post-crystallization dimensional drift is to raise and equalize the mold temperature rather than post-process repair; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence
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