Molding Process
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POE processing temperature fluctuation
Problem Phenomenon
POE processing temperature fluctuates ±5-8°C, exceeding ±2°C control accuracy
Cause Analysis
Temperature control system PID parameters improper; heating band aged, power uneven; thermocouple position improper, measurement deviation
Solution
1) Re-tune PID parameters; 2) Replace aged heating bands; 3) Adjust thermocouple position to the center of the melt pool
Key Takeaway
Temperature fluctuation is caused by improper temperature control system; PID tuning and heating band replacement are key
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