July 27, 2016 AT 1:37 pm
Plastic Injection Molding Explained, and how Billiards and Elephant Ivory Lead to its Invention!
Engineerguy Bill Hammack gives an absolutely excellent walkthrough on how plastic injection molding works. He also gives a brief history of how that technology came to be, following a $10,000 prize in 1860s & ’70s dollars (now $3M) to invent what would become celluloid, which eventually aided the invention of plastic injection molding.
Bill’s walkthrough is one of the best explainer videos I’ve watched on this subject – from the animations to the terminology (check ring, parting line, hot runners, ejector pin witness marks, and more!) and techniques explained, simply and clearly. Watch it below!
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