When the increase of thickness the cooling cycle time products increase, decrease productivity leads to increased productcross section too thick will create an empty purse, airbags and dentsthe heat transfer will best when the product has a uniform thickness. If the material inside the product core cools more slowly part the material on the surface, would make the uneven shrinkage on products, uneven shrinkage and warping will cause excessive thickness of the product is made as thin as possible as you can, as evenly as possible. In this way, the complete filling of the mold and the shrinkage of the liquid resin will achieve the best. Stress in also be lessened considerably.
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