It should be noted that of all the mini tools you can get at Harbor Freight, the 10- and 12-inch benchtop metal lathes are among ... AC electric motor provides variable operating speeds up to ...

By decoupling the lead screw from the lathe’s gearbox and actuating it via a stepper motor, he achieved a much more granular variable feed speed. If that’s not enough, [Tony] used a rotary ...