As an experienced industrial designer, especially for a mold designer, when he or she designs a plastic part, the wall thickness need to be considered carefully, On the premise of meeting the requirements of product use function and injection molding, the designers should know how to design a minimum wall thickness, because during injection molding process, The thinner the wall, the faster the part cools, so that we can save cycle times, then save part costs, of course, thinner parts weight less, for every part, we can save the amount of the plastic,  in a big order, the amounts of the plastic are saved.

What is the suitable wall thicknesses of an injection-molded part? I think, generally it ranges from 2 mm to 4 mm (0.080 inch to 0.160 inch), for some plastic material, because of special requirement, The wall thicknesses can be designed as 0.5 mm (0.020 inch) without any molding problem.

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