Clarification of Injection part shrinkage ratio

vivkrish

Involved In Discussions
#1
Hello all,

I ahve some clarification...

Want are the parameters contributed for shrinkage ratio in plastic injection part.?


Example :

1.Material
2.Material flow...

Like what are the characteristics contributing...?

Thanks,
Vivkrish.
 
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myusoffice

First Time Right...
#2
Hi,

All polymers have different shrink rates depending on many factors. These include;
* Type of material
* Cavity surface temperature
* Pressure
* Wall thickness
* Gate Shape
* Presence or absence of additive materials to the molding material
* Mold Design
* Part Shape
etc.
 
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