though their slightly different dimensions means he has to replace a spacer with a temporary 3D printed item which he’ll turn in metal later. We learn quite a bit about cheap lathe tools and ...

Instead of going the normal route – finding friends with machine tools or paying a machine shop, he improvised a rudimentary metal lathe. The finished couplers were concentric to 0.005″.

Contrary to CNC Milling Lathe machining is for circular geometries (stock is commonly a solid/hollow cylinder) but a hexagon or square can be turned down to a cylinder. Instead of spinning the tools, ...

There are several types of lathes and turning centers. Examples include a wood lathe, metal lathe, CNC lathe, CNC turning center, CNC machining center, and multi-axis machine tool. Lathes and turning ...