Extrusion & Post
4 조회수
LDPE Extrusion Temperature Fluctuation
문제 현상
The temperature controller fluctuates greatly, and product quality fluctuates accordingly.
원인 분석
Thermocouple failure, heater band aging, and detuned PID parameters; fluctuations in the cooling air/water circuits also interfere.
해결 방법
①Calibrate the thermocouple; ②Replace aged heater bands; ③PID tuning; ④Stabilize the cooling medium.
핵심 요약
For temperature fluctuation, check the sensor and actuator first.
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