Molds & Tooling
5 مشاهدة
PMMA Gate Residue Trimming Marks
ظاهرة المشكلة
Obvious residual marks after gate trimming, whitening on the appearance surface.
تحليل الأسباب
Oversized gate or improper trimming method tears the surface layer leaving white marks; PMMA brittleness makes trimming prone to edge chipping.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based on experience alone.
الحل
①Optimize gate size and form; ②trim with a heated knife or dedicated tools; ③polish after trimming; ④select submarine gate for appearance surfaces.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
الخلاصة الأساسية
Gate treatment is the finishing key of PMMA appearance parts; standardized tools and processes can avoid secondary damage.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.
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