Extrusion & Post 11 조회수

PET Bottle Bottom Material Accumulation (Thick Bottom)

문제 현상

The material thickness at the center of the bottle bottom is too large, the cost is high and the bottom is whitened.

원인 분석

Excessive bottom heating or the stretch rod did not pull the material into place; improper bottom mold temperature.

해결 방법

①Reduce the bottom lamp zone power; ②optimize the stretch rod stroke and speed; ③check bottom mold cooling; ④adjust pre-blow.

핵심 요약

Thick bottom = too much heat at the bottom, the rod not in place.

PET; bottle blowing; thick bottom; lamp zone; stretch rod

이 정보가 도움이 되었나요?

0 명이 도움이 되었다고 합니다