Re: [CAD_CAM_EDM_DRO] Motor and power size?

ezko.laurila@... wrote:

>Hi all.
>
>I have 4 CMC MH2620-127E PM Field servo motors 91w, and 4 Gecko 320 drivers. I plan to build borrow or steel a medium size machine.
>
>My questions are,
> 1. Are these motors to small?
>

Too small for what? A mini-mill? Probably OK. A Bridgeport? I really
think you will have problems.

> 2. Should I use 1:3 or 1:2 reductions or none?
>

It depends on the leadscrews. For a Sherline, with 20 TPI screws, you don't
need much reduction. For a Bridgeport with 5 TPI screws, you almost
certainly
do.

> 3. What power supply do you think would be the right size? ” 36v 2,5Amp”.
>
>

What voltage and current rating are these motors? Is 91 W the continuous or
peak rating of the motors? What is the no-load speed of these motors at
36 V?

Jon