Injection Molding
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CEF surface corrugation periodic
Fenómeno do problema
The surface of the CEF product has periodic corrugations with a spacing of 5-15mm
Análise das causas
The injection speed fluctuates periodically; the hydraulic system is unstable; the screw speed is unstable
Solução
1) Overhaul the injection system to stabilize the pressure and speed; 2) Servo motor drive instead of hydraulic drive; 3) PID control to stabilize the injection parameters
Conclusão principal
Corrugations are caused by unstable injection; equipment overhaul and PID control are the key
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