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Richards
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Thu 01 March 2012, 10:17
Replies:
25
Power Supply for DC Brushless motor
Views:
26,091
Posted By
Richards
After doing a lot more reading about DC brushless...
After doing a lot more reading about DC brushless motors, and after taking apart one of my DC fans that is actually a DC brushless motor, I've learned that those motors are sort of a hybrid stepper...
Forum:
Archives
Mon 27 February 2012, 21:58
Replies:
25
Power Supply for DC Brushless motor
Views:
26,091
Posted By
Richards
It looks like a foolish project to gear up a...
It looks like a foolish project to gear up a heavy spindle motor to do much less than a "normal" spindle would do.
We don't have to re-invent the wheel just because we have a log laying around. ...
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Archives
Sun 26 February 2012, 22:57
Replies:
25
Power Supply for DC Brushless motor
Views:
26,091
Posted By
Richards
The spindle that I used was a 3hp Colombo unit...
The spindle that I used was a 3hp Colombo unit that used a Delta VFD controller. The spindle motor that you wrote about is not a motor that I have seen used on this type of CNC machine. That's why...
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Sun 26 February 2012, 13:18
Replies:
25
Power Supply for DC Brushless motor
Views:
26,091
Posted By
Richards
Building an 80A 24VDC unregulated power supply...
Building an 80A 24VDC unregulated power supply takes a huge transformer, a huge bridge rectifier and a bank of capacitors.
A 17VAC transformer will give you about 24VDC (+/- a few volts).
...
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