Injection Molding
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Insufficient filling of PAR '2079851475616104452 (short shot)
Fenómeno do problema
The cavity is not completely filled and the product is short of material.
Análise das causas
The PAR melt viscosity is high, and the flowability is still limited at a processing temperature of around 300°C; the injection pressure and speed are insufficient.
Solução
Raise the melt temperature to 300-320°C; increase the injection pressure and speed; enlarge the gate and runner.
Conclusão principal
The high viscosity of PAR is the main cause of short shot.
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