Processing Machinery
6 조회수
PC Glass Fiber Reinforced Warpage
문제 현상
Glass fiber reinforced PC parts have poor dimensional accuracy and obvious warpage, with surface floating fibers and poor gloss
원인 분석
Glass fiber orientation makes the shrinkage in the flow direction much smaller than in the perpendicular direction, and anisotropy causes warpage; fibers floating to the surface cause floating fibers; fibers also wear the equipment and reduce the impact toughness
해결 방법
①Position the gate so that the fibers orient along the main stress direction; ②increase the mold temperature and holding pressure to improve the surface quality; ③use wear-resistant steel for the mold and regularly check screw wear; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability
핵심 요약
Glass fiber reinforced PC trades toughness for rigidity; orientation design, surface management and equipment protection are the three supporting tasks; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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