Injection Molding
11 조회수
Improper barrel temperature setting for PBT '2079851475616104452
문제 현상
Too high barrel temperature causes material degradation, color deepening, and performance decline; too low causes poor plasticization.
원인 분석
The processing temperature window of PBT is narrow (230-270°C); exceeding the upper limit makes it easy to degrade, and below the lower limit the plasticization is poor.
해결 방법
Set strictly according to the recommended temperature of 230-260°C; use decreasing temperature control (high at the rear and low at the front); regularly calibrate the temperature control system.
핵심 요약
PBT temperature control accuracy directly affects product quality.
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