Molds & Tooling
4 조회수
POM Glass Fiber Reinforced Deformation
문제 현상
Glass fiber reinforced POM parts warp, with poor dimensional accuracy, surface floating fibers, and poor gloss
원인 분석
Glass fiber orientation anisotropy causes warpage; fibers floating to the surface form floating fibers; reinforced grades have lower shrinkage but stronger directionality, and mold margin must be corrected by grade
해결 방법
①Control fiber orientation via gate position; ②raise mold temperature to improve surface replication; ③correct mold shrinkage margin according to reinforced grade data; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
Glass fiber POM trades directionality for strength; orientation design and shrinkage correction are required courses at the mold stage; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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