You need a good stiff hobby lathe, engage backgear and a slow feed in my limited experience of lathe milling.
I’ve been hogging out a 4.5×3 inch billet of steel with a hss woodruff cutter on and off over the last couple of weeks, it does fine but it’s not quick, (on a project to make a solid steel circular vice)
I’ve never had a carbide slot drill, hss ones are pretty good, the small cutting area means you get a huge amount of torque for munching metal.
My motor is pretty old and works away without complaint for hour after hour but without the backgear system I don’t think a hobby lathe electric motor would survive for long.
Milling -chewing your way through solid steel- is quite hard work compared with turning.
Edited By ady on 16/04/2011 00:38:08