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Plastic Injection Molding

Bill details the key engineering principles underlying plastic injection molding. He describes its history and, then, reveals the intricate details of the process. He shows viewers where to found, on any injection-molding product, the markings created by injection molding. He closes with a description of the one of the finest examples of the injection molding: the Lego brick. Overview video:    • Видео   Mold manufacture:    • How It's Made Plastic injection molds   Plastic bottle cap production:    • Injection moulding of 72 screw caps i...   Making Lego bricks:    • LEGO...The Building Blocks of Fun!   99 Percent Invisible: http://99percentinvisible.org/episode...