Production Application of Automotive Injection Molding

March 23, 2023

Production Application of Automotive Injection Molding

In the automotive sector, injection molding is one of the primary methods manufacturers use to form plastic parts. However, it's difficult to make a list of the plastic parts in a car produced using injection molding, so we'll take a look at some of the main ones.

1. Components under the hood

Over the past two decades or so, manufacturers have transitioned to plastic for many under-hood components that were previously made of metal. For these applications, strong polymers such as ABS, nylon and PET are common. However, manufacturers now use injection molding to make parts such as cylinder head covers and oil pans. This method has lower weight and cost compared to metal parts.

2. External components

Injection molding is a well-established process for many exterior automotive components, including fenders, grilles, bumpers, door panels, floor rails, light covers and more. A splash guard is a good example of the durability of an injection molded part. In addition, the parts that protect the car from road debris and minimize splashes are often made of rubber or other durable and flexible materials.

3. Internal components

Manufacturers also use automotive plastic injection molding to produce many automotive interior parts. They include instrumentation components, interior surfaces, dashboard panels, door handles, glove boxes, air vents and more. In addition, they use injection molding to produce decorative plastic elements.

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