Injection molding is used to produce several everyday items such as toothbrushes or small plastic toys. Many medical devices, including valves and syringes, are manufactured using injection molding as well.
The plastic is melted in the injection molding machine and then injected into the mold, where it cools and solidifies into the final part. Injection molding is used to produce thin-walled plastic parts for a wide variety of applications, one of the most common being plastic housings. These housings are used in a variety of products including household appliances, consumer electronics, power tools, and as automotive dashboards.
Plastic injection molding has been around for more than a century. Over the years, technology has developed. Many improvements were made throughout the twentieth century that allowed molders to produce more detailed parts of a higher quality. Everything from injection molding machines to the polymers used was changed and, subsequently, parts could be better suited to their final use. A versatility was born that has largely revolutionized the uses for plastic injection molding.
But in more recent years, plastic injection molding has no longer been the talk of the town for plastic part manufacturers. A lot of focus has shifted to 3D printing as a viable, affordable and versatile means of manufacturing plastic parts.
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