Molding Process
4 조회수
PA66 glass fiber reinforced warpage
문제 현상
Glass fiber reinforced PA66 parts have warpage out of tolerance, poor flatness, and assembly datum offset
원인 분석
Glass fiber orientation makes PA66-GF30 flow-direction shrinkage 0.4-0.8% and transverse difference 0.2-0.4%, anisotropy causes warpage; uneven fiber distribution further amplifies deformation
해결 방법
①Gate position makes fibers uniformly oriented along the main direction; ②Mold temperature homogenization ±2℃, conformal water circuits; ③Flat parts with straightening fixtures set for 24 hours reduce warpage by 40-60%
핵심 요약
Glass fiber PA66 warpage originates from orientation anisotropy; gate design, uniform-temperature cooling, and straightening fixtures constitute a complete warpage reduction solution; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence
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