Molds & Tooling
8 görüntüleme
PA12 Fiber Orientation and Gate Design
Sorun Belirtisi
【Problem phenomenon】The measured strength of glass fiber PA12 products was far lower than the data sheet, with obvious directional differences
Neden Analizi
Fiber orientation determines the reinforcement effect: gate design that aligns fibers along the main stress path can bring out the strength; randomly arranged gates cause chaotic orientation, discounted strength, and aggravated warpage
Çözüm
Design the gate position according to the main stress direction to guide fiber orientation; use mold flow analysis to predict orientation distribution; verify strength according to the measured values of orientation rather than the nominal values of the data sheet; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Fiber reinforcement strength lies in orientation, and gate design is strength design; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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