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What is Injection Molding |
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Welcome to What is Injection Molding. These pages are meant to be your resource for learning about Injection Molding, Stereolithography, and other plastics manufacturing processes. If you are looking for information for a school or class report, this is a good start. You can also find many useful links to companies and suppliers on our links pages.
So, what is injection molding? To put is basically, injection molding is the process of forcing melted plastic in to a mold cavity. Once the plastic has cooled, the part can be ejected. It is useful when the parts are too complex or cost prohibitive to machine. With this process, many parts can be made at the same time, out of the same mold.
Look around yourself and you'll see plenty of injection molded parts. The mouse and keyboard that you are using to browse this site were probably made through the plastic injection molding process. Possibly, parts of the chair you are sitting in were made the same way. Ever use a plastic handeled screwdriver? That was made with injection molding. The metal part of the screwdriver was suspended in the mold as the plastic was forced in. When it cooled, out popped a completed screwdriver! |
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