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What will the injection molding parameter affect the shrinkage of plastic
Upadta time:2012-11-26 0:29:33

Injection molding will have influence on the shrinkage of plastic, so what term will affect the injection molding parameter? It will make the shrinkage increase or decrease? Below we will analyse to you:

1.The temperature of gun barrel. The higher temperature of gun barrel, the better for injection propagation of pressure and make the shrinkage increase. But
if the material of injection product is thicker, the shrinkage of injection product will large all the same.

2.Injection pressure. The injection pressure is the parameter which have large influence on the shrinkage of injection product. Normally the greater the pressure, the smaller of injection shrinkage.

3. dwell time. The dwell time amount to feeding to injection product, the longer of dwell time, the more of fed-batch. It can recover the product shrinkage to some extent.

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