How To Make A Lathe Variable Speed
The control box on the lathe has a variable speed dial pilot light for the main power emergency stop button and a switch for forward stop and reverse.
How to make a lathe variable speed. Hold a piece of solder over the wire and then use the soldering iron to melt a small amount to the wire. Upgrading Rockler Excelsior lathe to Electronic Variable Speed. The VFD offers a lot functionality.
Range of metric threads metric version 04-35mm. Turn the power on to the lathe. Repeat with the second wire.
For the benefit of those who dont want to earn an engineering degree in the process of modifying their machine here are a few tips that may be of help. A tree stump two feet in diameter makes that treadmill go fast. Having the step pulleys between the motor and load will allow you to run the lathe very slow and still be variable in speed within the slow pulleybelt position without slowing the motor to less than 50.
The old input shaft pulley was 62mm in diameter. Set the banjo at the proper height. The output shaft of the new motor was 19mm which was the same as the old output shaft.
Plug the cord into the power and connect the female end to the power cord of your lathe. Make sure your lathe is set to its lowest RPM. Twist the knob of the dimmer slowly to the right to increase the voltage thereby increasing the speed of the lathe.
I hate math but these two examples figure out to be this at 475 RPM. Place the tail-stock live center and make sure it is secure. The new one is 1 mm bigger and so the lathe runs slightly faster 50 revs.
