Archive for the 'Tools and Shop' Category

Homemade ACME Tap

So I’ve been working on a new CNC mill and I’m using ACME rods to drive the x and y axis. An ACME rod has fewer turns per inch and allows the machine to move twice as fast. The only downsides are ACME couplers and nuts are expensive and difficult to make without $40 ACME taps. Continue reading ‘Homemade ACME Tap’

Workshop: Melting and Casting Metal

Lionel Oliver has an amazing site documenting his experiments metaling and casting metal. He shows how to build a variety of furnances from a simple charcoal furnance out of bricks and dirt to more complex propane furnaces. The best part is he does this all in his backyard.

Once you can melt metal you can start recycling old things like aluminum cans or lawn chairs and forming real tools and parts.

Lionel even built an entire gingerly lathe using his metal foundrys.