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General Mach Discussion / Re: What would be the best sensor method to detect spindle speed?
« on: March 04, 2017, 01:32:40 AM »
Another method may be to fit a single slot disk to the spindle motor and using an opto-switch set up Mach3 to display spindle RPM. Then use a Brain to read spindle speed and if below a predetermined value when the spindle Output# is active trigger the EStop.
Tweakie.
Tweakie.