What are all the precautions needs to be taken during Nylon molding?

Wow... that's a pretty broad question.

Dupont has wealth of information about the design & processing of plastic, especially Nylon

Checkout this link for some of their resources

http://plastics.dupont.com/myplastics/Mediator?id=5058&p=1&locale=en_US

Cheers
Bob

What is mold wizard in ug nx4
And how's it is work?
Plzz give me the full process with example of using mold wizard