Molding Process
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DSTDP processing temperature fluctuation
Fenómeno del problema
During DSTDP processing, temperature fluctuates ±5-8°C, exceeding the ±2°C control accuracy
Análisis de la causa
Temperature control system PID parameters improper; heating band aged, power uneven; thermocouple position improper, measurement deviation
Solución
1) Re-tune PID parameters; 2) replace aged heating bands; 3) adjust thermocouple position to the center of the melt pool
Conclusión clave
Temperature fluctuation is caused by improper temperature control system; PID tuning and heating band replacement are key
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