Blow Molding
10 조회수
HDPE '2079851475616104457 excessive flash
문제 현상
The flash at the bottle mouth and bottom mold line is thick and difficult to trim.
원인 분석
Excessive extrusion pressure/back pressure, improper pre-blowing pressure, poor mold parting line fit.
해결 방법
①Reduce extrusion pressure/back pressure; ②adjust the pre-blowing pressure; ③overhaul the mold parting line fit; ④check the clamping force.
핵심 요약
For large flash, reduce pressure first, then check mold fit.
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