Re: Servos, Drivers etc.

I am using 115 volt DC motors on gecko's and 75 volts powersupply. I
hooked the motors direct drive to 3/4"-6 acme rod and am getting 150
inches a minute rapids and plenty of torque at cutting speeds.

Eric


--- In CAD_CAM_EDM_DRO@yahoogroups.com, "camerashy44"
<camerashy44@y...> wrote:

> I have finally decided on the servos for my mill conversion. They

are;

> Reliance Electric DC Servo
> Micro 100 Series
> NEMA 34 Frame
> Model 0660-04-076
> Nominal Speed Rating: 1750 RPM
> Nominal Voltage Rating: 120 Volts
> Back EMF Constant, ke = 68 V/kRPM
> Torque Constant, kt = 5.75 lb-In/Amp
> Motor Body Diameter: 3.38"
> Motor Body Length: 6.5
> Shaft Diameter: 0.375" x 1.13" Long
> Integral Encoder: Hewlett Packard/Agilent
> Model: HEDS-5505 A06
> 500 lines per rev in quadrature, yielding 2000 counts per rev.
> Is there anything that I should consider with this motor that I may
> have over looked?
> I am assuming (and this is dangerous) that the Geko drives will not
> have enough voltage to run these motors at their maximum. Am I
> correct? What other drives are recommend (Rutex)?
> What will I need in the way of a power supply?
> I am using 3/4" x .200 lead ball screws and nuts.
> Wayne