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19-05-2016 #1
I have a vfd on my BP but since fitting it's been left set at 50Hz so just a phase converter really.
I am now converting the old girl to CNC and trying to figure out what to do with the speed control.
Is it workable to set the vari-speed knob in the middle at say 1500rpm, mark the position, and then calibrate the VFD to control from say 500 to 3000rpm?
I know back-gear will still be needed for torque/low speed but that could be treated the same maybe?
What's a good way of treating this system?
Fitting a plain pulley head is not really an option as it means buying another machine and butchering it.
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