Molds & Tooling
4 görüntüleme
PA6 Glass Fiber Equipment Wear
Sorun Belirtisi
After long-term production of glass fiber PA6, black specks increase, back pressure becomes unstable, and plasticizing capacity gradually declines
Neden Analizi
Continuous abrasion of the screw, barrel and mold by glass fiber enlarges the clearance and mixes metal particles into the melt; wear is gradual and hidden, and is often discovered only after a quality accident
Çözüm
①Use a bimetallic wear-resistant structure for the screw and barrel; ②Use hardened steel such as H13 or S136 for the mold, and hardening treatment is mandatory beyond 100,000 shots; ③Regularly measure the screw clearance
Temel Çıkarım
Equipment protection for glass fiber PA6 requires upfront investment; wear-resistant configuration plus regular clearance measurement brings chronic wear into planned maintenance rather than after-the-fact firefighting; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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