Extrusion & Post
4 조회수
Screw coating of PBT reinforced materials during '2079851475616104452
문제 현상
Glass fiber reinforced PBT material forms a solid glass fiber wrapping around the screw in the screw compression section (screw covering).
원인 분석
The temperature of the screw feeding section is too high, the material softens prematurely, and the glass fiber is compacted on the screw in the compression section and does not move forward.
해결 방법
Reduce the feeding section temperature to maintain solid conveying; optimize the screw design (appropriate compression ratio); use a screw with a barrier section.
핵심 요약
PBT screw coating seriously affects stable conveying.
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