Molds & Tooling
8 görüntüleme
ASA crystallinity misunderstanding
Sorun Belirtisi
[Problem phenomenon] Managing ASA process with crystalline material thinking, mold temperature and cooling logic wrong
Neden Analizi
ASA is an amorphous polymer: no crystalline melting point, low shrinkage, mold temperature mainly affects surface rather than crystallinity; applying semi-crystalline management thinking leads to parameter misalignment
Çözüm
Set process according to amorphous logic: mold temperature serves surface, cooling serves shape setting; shrinkage compensated at 0.4-0.7%; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
ASA is an amorphous material, mold temperature for surface cooling for shape setting; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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