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The Prototyping Blog

the prototyping blog

NEW Automatic Unscrewing Mold For Internally Threaded Parts

Posted by Molly Skiba on Mar 27, 2019

Internal threads are commonly found on plastic parts that screw together, such as bottle caps, drinkware lids and plastic hardware. Due to the delicate nature of threads, molding these parts requires a slightly different approach than your average plastic part. An unscrewing core must be incorporated in the tool in order to eject them from the mold without damaging the threads.

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Topics: Injection molding, plastic prototypes, unscrewing mold

No CAD Model? No Problem!

Posted by Molly Skiba on Mar 15, 2019

If you need a mold for an existing plastic part but don't have a CAD model or design prints, you're not out of luck. The Engineering Resource Center offers reverse engineering services to recreate molds for even the most complex parts. 

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Topics: Molded Plastic Prototype, plastic prototypes, Reverse engineering

A Beginner's Guide To Plastic Prototyping

Posted by Molly Skiba on Feb 1, 2019

While injection molded prototypes are our day-in-day-out focus here at The ERC, we know our customers' expertise & focus lies in the function of the product they're developing, not the process required to make the individual components. This is especially true for inventors and entrepreneurs that are new to the world of manufacturing. 

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Topics: engineering resources, engineering resource center, product launch, plastic prototypes

Your Guide To Designing Perfect Plastic Parts

Posted by Molly Skiba on Jan 21, 2019

While we always stand by our "your design, no compromises" promise, there are instances when part features can be manipulated to make manufacturing more efficient without sacrificing the intent of the designed part. Follow these tips for designing parts that will transition flawlessly into production. 

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Topics: Plastics Manufacturing, plastic prototypes