Molding Process
7 조회수
Glass Fibre extruded pipe sizing sleeve material sticking
문제 현상
Glass Fibre extruded pipe adheres in sizing sleeve, longitudinal adhesion marks appear on inner wall
원인 분석
Glass Fibre soft and easily adheres to metal surface; sizing sleeve inner wall rough Ra>0.4μm; sizing sleeve insufficient cooling, surface temperature too high promotes adhesion
해결 방법
1) Polish sizing sleeve inner wall to Ra<0.2μm; 2) sizing sleeve fully water-cooled, surface <30°C; 3) pass lubricating water containing 0.1% silicone oil emulsion inside sizing sleeve; 4) apply thin layer on pipe surface to reduce adhesion
핵심 요약
Sizing sleeve material sticking is caused by elastomer adhesion characteristics; polishing and lubricating water are key
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