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 parts will then cool and will take the shape of the mold. 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 look at a specific type of injection molding, that is plastic injection molding.
We will start off by taking a quick look at the history of plastic injection molding. In 1872 John Wesley, an American inventor, patented the first machine used for plastic molding. These original machines were used to produce simple products such as hair 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. Not only did this speed up the process but it also allowed people to produce much more complex items.
Next we are going to take a look at the equipment that is often used to in plastic injection molding. 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.
Another important piece of equipment when it comes to plastic injection molding is the mold storage. It probably goes without saying but this is where the mold is to be kept when it is not being used in production. Custom molds will be expensive so it is important for the storage container to be top of the line. The storage should maintain good temperature and humidity to ensure that the mold lasts as long as possible.
Lastly, we will look at the advantages of plastic injection molding. A big advantages, especially for manufacturers is that it is cost effective. These machines can produce products very quickly and can produce large quantities. Another reason it will save money is because of how efficient it is, these machines leave behind little waste. Along with it being efficient and creating little waste, it is also very eco friendly. 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.
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