Processes

Plastic Injection Molding Process

The plastic injection molding process is far more involved than simply manufacturing your parts. That is why in addition to the injection molding process, Thumb Plastics also specializes in an array of additional services to help you develop your product and see it through to final production. And throughout the course of the plastic injection molding process, identifying areas to drive cost out of your product and decrease time to market.

Two-shot & Multi-shot Molding

34 injection molding presses ranging in size from 85 to 730 tons in conjunction with huge levels of automation allow for the creation of complex products with a high level of accuracy and repeatability

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Design & Engineering Services

As a Tier 1 and Tier 2 automotive supplier, we are comfortable being 100% design responsive or serving as a design partner

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In-House Tooling Design & Maintenance

All trim tools, fixturing, and EOAT are designed and built in house and all tooling maintenance and repairs are completed by our in-house tool shop

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Insert & Over Molding

The overmolding process can is used to combine plastic or metal components in-mold which increases part consistency and reduces the need for post-mold operations

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Secondary Operations

To supplement our range of molding capabilities, Thumb also offers a wide range of in-house secondary operations including plastics welding (infrared, hot plate, and ultrasonic), riveting and staking, foam and acoustic pad assembly, and assembly

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Testing Laboratory

Stringent testing is conducted before (PPAP) and throughout the injection molding process based on your part design and requirements

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