Material Analysis
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EMA processing temperature fluctuation
Fenómeno del problema
Temperature fluctuates ±5-8°C during EMA processing, exceeding ±2°C control precision
Análisis de la causa
Improper PID parameters of temperature control system; aging heater bands with uneven power; improper thermocouple position causing measurement deviation
Solución
1) Re-tune PID parameters; 2) Replace aging heater bands; 3) Adjust thermocouple position to the melt pool center
Conclusión clave
Temperature fluctuation is caused by improper temperature control system; PID tuning and heater band replacement are key
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