Sam Brusco, Associate Editor06.06.17
Ever had the urge to crank out solid thermoplastic parts in the comfort of your garage, but lacked the funds to purchase an injection molding machine? Well, armed with between $100 and $200, a lot of metal, moderate metalworking experience, a drill press and hand tools, and a copy of Vincent R. Gingery’s book “Secrets of Building a Plastic Injection Molding Machine,” this endeavor can be achieved in just three to eight hours. At least, that’s how former Rockwell Collins electrical engineer Jim Hannon accomplished it, as he reported in MAKE:, a publication for DIY projects and ideas for makers.
Normally, building an injection molding machine would be well beyond the capabilities of a home shop. In his book, Gingery simplifies the technology enough to enable building a machine capable of inexpensively injection molding small parts from common recycled plastic. He offers step-by-step instructions of building a small, relatively inexpensive tabletop injection molding machine able to mold up to a half ounce of plastic. That doesn’t seem like much, and Gregory advises that the machine “will not be the right equipment
Normally, building an injection molding machine would be well beyond the capabilities of a home shop. In his book, Gingery simplifies the technology enough to enable building a machine capable of inexpensively injection molding small parts from common recycled plastic. He offers step-by-step instructions of building a small, relatively inexpensive tabletop injection molding machine able to mold up to a half ounce of plastic. That doesn’t seem like much, and Gregory advises that the machine “will not be the right equipment
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