Future retrofit project for Mesa boards

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23 Aug 2018 20:13 #116501 by kb8wmc
I am looking at a future project of retrofitting an older cnc mill...The machine is a CNCExpress mill, serial number 00012...The mill comes out of an aviation tech school and was one of three identical machines...The mill shows only little wear/usage...There are no controllers and drivers...I can't imagine where they went...

Details: Spindle Motor is a Marathon Electric; 115/230V single phase 2HP; 1725 RPM, Model No. 7VA56B17F5548B P; FLA 18.8/9.4...

X and Y axes motors are MicroKinetics 34M470; 470 oz/in; 2.5v 5.9A; 42 Ohm...

I am looking for guidance and suggestions selecting appropriate a Mesa electronics package and suggestions for size and types of drivers...

The spindle motor works but I am uncertain about the MicroKinetics motors, so I may need to replace them...

Any input will be appreciated...

Thanks in advance.
Mike

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23 Aug 2018 21:05 #116503 by tommylight

kb8wmc wrote:
X and Y axes motors are MicroKinetics 34M470; 470 oz/in; 2.5v 5.9A; 42 Ohm...

Something wrong there, should be 0.42 Ohm or???
Those look like stepper motors so there is a wide choice of drives, from Chinese to Lam Technologies that i use very often as they have proven indestructible and configurable for almost anything.
As for mesa, there is the 7i96 or 7i76E or even a combo of 5i25 or 6i25 with 7i76.
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