Injection Molding
8 görüntüleme
Severe mold gate wear
Sorun Belirtisi
The gate dimension obviously enlarges after thousands of injection shots
Neden Analizi
High-concentration glass fiber melt repeatedly scours the gate at high speed, producing abrasive erosion; the gate design size is too small, causing extremely high local flow velocity and shear stress
Çözüm
Use hard alloy (such as SKD11 or higher) to make gate inserts; appropriately increase the gate size to reduce flow velocity (gate ≥60% of wall thickness); streamlined design of the gate transition section
Temel Çıkarım
The gate is the weakest link most prone to wear in LGFPP molds
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