Thermoforming
4 조회수
Uneven Thickness of PBT Extruded Sheet
문제 현상
The transverse thickness of the PBT extruded sheet fluctuates, affecting subsequent stamping or '2079851475616104458.
원인 분석
The die lip gap is uneven; the melt temperature distribution is uneven and the viscosity differs; the three-roll gaps are not parallel.
해결 방법
Precisely adjust the die lip gap; optimize the barrel temperature uniformity; calibrate the three-roll gap.
핵심 요약
The thickness uniformity of PBT sheet is the basis for subsequent processing.
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