Molds & Tooling
5 조회수
Stress concentration in PMMA gate area
문제 현상
Stress color is obvious in the gate area of transparent products under polarized light.
원인 분석
The gate area has fast flow velocity and high orientation; this area cools fast and stress release is insufficient.
해결 방법
Enlarge the gate to reduce shear; heat the mold in the gate area; anneal to eliminate stress.
핵심 요약
The PMMA gate area is a stress concentration point.
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!