Rapid Injection Molding: The basics that everyone should know.


Rapid prototyping can be done using an array of different methods. One such method, involves injection molded parts, which is especially useful for the low volume production of high-quality parts, using production resins. Through rapid injection molding, you can fulfill end-use prototype manufacturing requirements. This means that the parts are already like the actual production parts, with the added bonus that the costs and lead time of the process are reduced compared to when you utilize full production tooling. If you are new to this prototyping process, here are some of the basic things that you should know about it:

  • How it works – Rapid injection molding tools are typically made of different materials, but discerning manufacturers use aluminum or steel. Steel is preferred for custom injection molding tools, because it delivers better value for the consumer. Their steel rapid tool injection molding process typically results in double the parts compared to programs where aluminum is used.

  • Advantages – There are many benefits to rapid injection molding, and they are not limited to flexibility, high speed, high quality, and a lower upfront investment. When you work with a reliable manufacturer of prototypes, the results can be made of real, production-grade materials to give you a better idea on your product’s performance, look, and feel.

  • Uses – Prototypes are used to blur the line between production and prototyping. The process of rapid injection molding is cost-effective for low volume production and market testing. When you need parts quickly, you can also use this service to get exactly what you require within a shorter time span.

  • Methods – Parts and tools can be fabricated using CNC machining and rapid prototyping. The design is taken directly from your CAD model, but you can also work with the service provider to make changes,  simplify the process and ensure a more accurate prototype. It can accommodate hand-load and side action inserts, as well as insert molding and overmolding. EDM (electrical discharge machining) is selectively used to enhance certain features on the mold, like the edges and corners.

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