CNC & Machining

The latest DIY ideas, techniques and tools for the manufacture of metal, wood, plastic, ceramic and composites. We talk about machining, using a lathe to machine metals like steel, brass, and aluminium. We make chips fly!

Three- vs. Four-Jaw Lathe Chucks

Three- vs. Four-Jaw Lathe Chucks

Three-jaw chucks, of the same general type used to hold bits in most power drills, are also common equipment on metalworking lathes. Though it is not necessarily so, three-jaw chucks are so commonly of the self-centering variety, in which the jaws are not independently adjustable, that “self-centering” is generally assumed from the term “three-jaw chuck.” But…

How-To:  Mini Metal Lathe

How-To: Mini Metal Lathe

Back in Plastics Month, we featured a simple shop-made plastics extruder built by Instructables user Random_Canadian. Now the arbitrary Canuck returns with this pint-sized metal lathe built with a 14″ piece of precision aluminum T-slot extrusion, and some characteristically resourceful salvage including an electric motor from a cordless weed trimmer, a variable speed switch from a cordless drill, and a tailstock center improvised from a countersink.

Top 10:  Prop Weapons

Top 10: Prop Weapons

I set out to write a generic “props” round-up, but quickly discovered that our props tag is pretty deep, and covers a wide range of subjects including haunt props and/or prop furniture, elaborate costumes, and display props. I narrowed my focus, then, to props a person might carry around as part of a costume, and found, even then, there was more cool stuff than I could fit into one roundup.