Re: [CAD_CAM_EDM_DRO] Re: Servo heating

vrsculptor wrote:

>Jon,
>Your probably right. The servos are big, rated 160 volt, 5" diameter,
>10" long, 1K line encoders, no tach and 2.5:1 reduction. There are no
>name/data plates. I'm running G320's at 78 volts, 10 amps. Originaly
>machine could do 120 ipm, now I get about 60 which is OK for what I do.
>Original AMPs were blown. The machine is much bigger than a Bridgeport
>series 1.
>
>
>

Hmm, in this case, I wonder if the motor inductance is too low for the
gecko drives. It may require an inductor to be placed in series with the
motor.

>I will go back and try re-adjusting the gecko. The machine runs fine,
>other axis are stone cold. The Y axis just gets pretty warm but its not
>too hot to hold on to for a couple of minutes. Much cooler than
>McDonald's coffeee :~)
>
>

That is curious why only one runs hot.

Jon