If I machine a smaller pulley for the motor, will it affect the SFM or feed or the RPM DRO?
The lathe comes with two pulleys and two choices in the menu, 5C high speed and low speed for the 6in chuck.
I would like to have a bit more torque by making a smaller pulley, could this be a problem?
Thanks for any input.
Jeff
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Tim
Tormach 1100-3 mill, Grizzly G0709 lathe, PM935 mill, SolidWorks, HSMWorks.
I don’t think it will effect anything. The encoder is attached to the spindle not to the motor. The controller already allows for 2 motor pulley sizes. You just tell it whether you are using the small or large. Try it. I bet it works perfect. I have stalled my spindle and the motor controller did not send a message to the control. It did not stop feeding until I hit feed hold.
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