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A Brief Introduction to Plastic Injection Molding Injection molding is a very popular form of manufacturing; it may even be the most popular type of manufacturing in the world. During this manufacturing a material is heated, mixed and then forced into a molding cavity. The piece will take the shape of the mold once it is cooled. This process can be used with many different materials, some of the most popular are metal, glass, confections, elastomers and plastic. There are a ton of products that are produced in this manner, some of the more common ones include: musical instruments, automotive parts, medical supplies and military equipment. In this article we will narrow down the discussion and only be discussing plastic injection molding. To start our discussion about plastic injection molding, we will take a quick look at the history behind it. The first machine used for plastic molding was patented all the way back in 1872 by John Wesley, an American inventor. The molds were often very simple and some of the first products that were produced were combs and buttons. Moving forward a hundred years, and a new machine has been invented by the James Watson, this machine will drastically change the process. This new machine and process makes it possible to produce complex items at a much faster rate. The next thing we will do is look at some of the equipment that is used in this injection process. The mold or die, is one piece used in the production of plastic pieces. Copper, Aluminum and steel can all be used to make molds; the material that is used will all depend on what the final product will be.
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Another key equipment piece is the mold storage. Of course this is where the mold will be stored when it is not in use. Custom molds are not cheap so it is important that you storage plans be up to date. The storage needs to be kept at a good temperature and the humidity must be right, this will guarantee that your mold lasts for a long time.
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The last thing we will do is look at the advantages of plastic injection molding. A big advantages, especially for manufacturers is that it is cost effective. This process can create products very quickly and has the ability to produce products in large quantities. Another way it saves on costs is because it is efficient and leaves little waste behind. Because there is not much waste produced it is also fairly save for the environment. Research has shown that parts and products manufactured through injection molding are high quality and extremely durable. If you are interested in further reinforcing your product then you can add additional materials to your molded plastics.