Extrusion & Post
4 조회수
Internal stress cracking of products
문제 현상
Stress cracking appears in products during storage and use
원인 분석
Cooling is too fast, orientation is large, wall thickness is uneven, and no annealing treatment is performed
해결 방법
Mold temperature 100-120C, annealing 140-150C 2-4h
핵심 요약
Annealing is the key step to eliminate internal stress
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