With a few certain motors, this allows for closed loop control of the spindle; Sending S4000 Gcode to the mill will spin the spindle at 4000 RPM, and S6000 runs the spindle at 6000 RPM ...
Foot Mounted Foot mounted spindle housing can be bolted in place via flanges or feet at the bottom of the housing. Hydrodynamic Hydrodynamic bearings are typically low-clearance assemblies that rely ...