Injection Molding
3 조회수
DSTDP '2079851475616104452 warpage deformation
문제 현상
DSTDP injection molded products warp 2-3mm/100mm after demolding, flatness not meeting the standard
원인 분석
DSTDP shrinkage rate large and mold temperature uneven causing differential shrinkage in all directions; improper gate position, flow orientation stress released unevenly; cooling time insufficient
해결 방법
1) Increase mold temperature to 40-60°C to reduce temperature difference; 2) increase holding pressure 50-70MPa; 3) optimize gate position for uniform flow; 4) extend cooling time; 5) annealing treatment to release residual stress
핵심 요약
Warpage is caused by differential shrinkage and orientation stress; uniform mold temperature and holding pressure are key
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