Lathe Tool Geometry provides a description of single-point lathe tool angles, detailing the effect these angles have on a cutting operation. Tool angles have a significant impact on a cutting ...

he did it all without any fancy machine tools. No lathe? No problem – the drive roller was ground to the proper crowned profile needed to keep belts centered using the angle grinder itself.

The angle grinder plays a prominent role in the build, as do simple tools like a hand drill, files, and a welder — and yes, the unfinished lathe itself, which was used to bore out the bearing ...