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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