Material Analysis
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CEF processing temperature fluctuation
Fenómeno del problema
The temperature fluctuates ±5-8°C during CEF processing, exceeding the ±2°C control accuracy
Análisis de la causa
The PID parameters of the temperature control system are improper; the heating ring is aging and the power is uneven; the thermocouple position is improper and the measurement is deviated
Solución
1) Readjust the PID parameters; 2) Replace the aging heating ring; 3) Adjust the thermocouple position to the center of the melt pool
Conclusión clave
Temperature fluctuation is caused by improper temperature control system; PID adjustment and heating ring replacement are the key
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