An introduction to tooling
Whether parts are made by injection molding, blow molding, rotational molding, compression molding or thermoforming, some type of mold is used to make the part or product.
Injection molding is the biggest segment of the plastics industry. It uses a mold, which can be made of steel or aluminum and features cavities that will form the parts. Once heated resin is injected, the molten plastic fills the cavities and the rest of the mold. Once cooled, the parts are ejected by pins. Read More