무도장 적용 사출금형의 리브 Sink에 관한 연구
A Study on rib sink-marks of injection mold for unpainted parts
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Sinks occurring in the rib portion of the testing product for the unpainteds are fatal defects at surface quality. In this study, we carried out moldflow analyses for several factors that affect the sinks. The result tells us large important effective factors on sinks by analyzing sink marks estimate. We expect practical use as reference for performing analysis or manufacturing products with rib designs and injection moldings which minimize sink-marks surrounded ribs.
Abstract
Sinks occurring in the rib portion of the testing product for the unpainteds are fatal defects at surface quality. In this study, we carried out moldflow analyses for several factors that affect the sinks. The result tells us large important effective factors on sinks by analyzing sink marks estimate. We expect practical use as reference for performing analysis or manufacturing products with rib designs and injection moldings which minimize sink-marks surrounded ribs.