Mold shrinkage is the phenomenon where the volume of the liquid molten thermoplastic or rubber filled inside the hole or cavities of a mold is shrinking at the time as being cooled and solidifying...
many mold companies face this problem and it is not easy to solve it..one idea - if you are investing huge amount in molds is to make use of our rapid tooling system ( with the help of existing mould bases) and test your design with
How to predict mold shrinkage?
mold shrinkage occurs not due to one factor of the the injection molding process..
examples of parts with shirnkage
see hereunder several examples we have found on the internet