Injection Molding
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Shrinkage Rate Fluctuation of PCTG Injection Molded Products
Fenómeno do problema
The product dimensions are unstable, and the shrinkage rate fluctuates between different batches.
Análise das causas
Holding pressure parameter fluctuations, mold temperature changes, and molecular weight differences between raw material batches.
Solução
Stabilize the holding pressure and the holding pressure time; control the mold temperature to be stable; control the raw material batch quality.
Conclusão principal
PCTG shrinkage rate stability is a requirement of precision '2079851475616104452.
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