Injection Molding
3 조회수
EEA '2079851475616104452 demolding difficulty
문제 현상
EEA injection molded products with large demolding force, products deformed or scratched, demolding time accounting for 30% of the cycle
원인 분석
Large adhesion between EEA and the mold cavity; insufficient draft angle <0.5°; insufficient cooling time, product not fully solidified before demolding; unreasonable ejection mechanism design
해결 방법
1) Increase mold draft angle to 1-2°; 2) Extend cooling time so the product is fully solidified before demolding; 3) Polish the mold surface to Ra<0.2μm; 4) Increase ejection area using a large-area ejector plate; 5) Spray release agent (temporary solution)
핵심 요약
Demolding difficulty is caused by adhesion and insufficient mold design; increasing draft angle is the fundamental measure
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