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SolidWorks Plastics is a add-in for SW that allows to performe injection molding simulations
hey!
http://www.youtube.com/watch?v=GcuwtSW4nSg
do you use this add it too?
And take a material properties from chemical industy- they have a lot a reccomendations in mould design for specific cases!
Try to search a Dupon corporation, they have a lot of solutions based for specific polimer which you wish to design.
Do you have any suggestions also about books about molding techniques for beginners?