Originally Posted by
BillBert
So I am thinking that the voltages that you reference should be halved. As for the spindle, I would think it runs on DC especially because it is clearly variable from about 100 to 3000 rpm.
Bob
The primary voltage could be 120vac but the secondaries and DC supplies would be the same.
I mentioned the spindle running on 220vac SCR bridge, which is a phase angle controlled DC source, I am not sure what the field voltage is, it may be traceable from the wire numbers.
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.