Phil Steck

Types of injection molds

Cool Prototyping offers a wide range of product design services – rapid prototyping, molding, which includes plastic injection molding, and manufacturing processes

There are two main types of injection molds: cold runner (two plate and three plate designs) and hot runner – the more common of the runnerless molds. The significant difference is that the presence of a sprue and runner with every molded part in the cold runner type. This extra molded component must be separated from the desired molded part.

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Title: Types of injection molds

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