Molds & Tooling
7 مشاهدة
PTFE Mold Sticking
ظاهرة المشكلة
PTFE compression molding has demolding difficulty, product surfaces are scratched, and mold cleaning is frequent.
تحليل الأسباب
Insufficient mold cavity surface polishing Ra>0.8μm; microscopic adhesion between PTFE powder and mold; insufficient demolding angle; improper mold material selection.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
الحل
①Polish mold cavity to Ra≤0.8μm to reduce sticking; ②Select stainless steel material; ③Reasonable demolding angle; ④Use mold release agent assistance when necessary.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
الخلاصة الأساسية
PTFE mold's Ra0.8 polishing standard is the anti-sticking foundation; stainless steel material is the standard choice; demolding design is considered upfront.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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