Increase the time to hold the mold to shape the product.-Adjust the temperature on the surface of the mold (note the difference betweenthe part from the mold and molding section of poplar).-Check back for product structure design of mould, check the builtprecision of mold.-Avoid internal stresses by selecting the material and the shape property(balance of thickness). Optimal mould by simulation softwaresuch as: Moldflow, Cmold, Moldex3D ...
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