October Meeting – Injection Molding Demo

Really cool demonstration from Scott on injection molding, he fabricated a small hand driven injection molder using the book: Secrets of Building a Plastic Injection Molding Machine as a guide. The end result is a functional machine capable of injecting plastic into a variety of parts, all fabricated from basic tools and a small lathe.

Applying pressure:

Unfortunately the shear pins let loose while applying a little too much pressure to inject plastic, but he of course brought along some “production” parts that show incredible potential for so little cost.

Mold:

Product: (wheels)

Two shots with the injection molder or with two colors of plastic yields different color hubs/color swirls

Thanks for the pictures Scott!

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