Extrusion & Post
11 조회수
PET drop breakage
문제 현상
PET beverage bottles break at the bottom in drop tests
원인 분석
Drop impact concentrates at the bottom; areas with insufficient stretch orientation have low strength; during on-site troubleshooting, 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 blowing stretch ratio to make the bottom fully oriented; bottle bottom reinforcing rib design; adjust preform body temperature distribution; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
Drop strength is guaranteed by orientation design and bottle bottom structure; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!