Material Drying
3 조회수
PSU Barrel Temperature Fails to Reach Setpoint
문제 현상
In PSU processing, the actual barrel temperature fails to reach the set temperature; plasticization is poor; process personnel repeatedly raise the setpoint to no effect.
원인 분석
The drying blower air inlet is too large and carries away heat; heater band power is insufficient or damaged; improper thermocouple position distorts temperature measurement; equipment aging reduces thermal efficiency.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based solely on experience
해결 방법
①When the actual barrel temperature fails to reach the setpoint, the blower air inlet can be turned down; ②Check heater bands and thermocouple condition; ③Calibrate with measured temperature; ④Regular maintenance of equipment thermal system.
핵심 요약
PSU high-temperature process places high demands on equipment thermal systems; blower air inlet adjustment is a practical technique; measured temperature exposes the true capability of the equipment.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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