Blow Molding
11 조회수
HDPE '2079851475616104457 cooling
문제 현상
HDPE blow-molded drum deforms after demolding
원인 분석
The thick-walled areas of the blow-molded part are insufficiently cooled, and shrinkage deformation occurs after demolding; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
해결 방법
Optimize the mold cooling water circuits; sufficient blowing air cooling time; strengthen cooling at thick-walled areas; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, to facilitate locating effective measures
핵심 요약
Blow-molded part deformation is controlled by sufficient cooling; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems
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