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Injection Molding - What is it, and what are the benefits?
Nov 13, 2020 · Injection molding machines are also referred to as presses. They consist of a material hopper, an injection ram or screw-type plunger, and a heating unit. Molds clamp to the platen of the molding machine. There, the plastic is injected into the mold through a part called the sprue orifice.