Molding Process
4 조회수
Sink marks of PAR optical lenses
문제 현상
The center of thick-walled optical lenses shrinks severely.
원인 분석
The center of the thick wall cools slowly, and the holding pressure shrinkage compensation is insufficient, producing a central sink.
해결 방법
Extend the holding pressure; strengthen cooling in the central area; use staged holding pressure.
핵심 요약
PAR lens shrinkage is a source of optical distortion.
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!