Injection Molding
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Glass Fibre periodic surface waviness
Fenómeno do problema
Glass Fibre product surface has periodic waviness with spacing 5-15mm
Análise das causas
injection speed fluctuates periodically; hydraulic system unstable; screw rotation speed unstable
Solução
1) overhaul injection system to stabilize pressure and speed; 2) replace hydraulic drive with servo motor drive; 3) PID control to stabilize injection parameters
Conclusão principal
waviness is caused by unstable injection; equipment overhaul and PID control are key
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