Re: [CAD_CAM_EDM_DRO] Servos

Ian Wright wrote:

> Hi,
>
> I've just had a donation of a couple of old plotters - architects type and I
> wonder if anyone can tell me anything about them or, particularly, the servo
> motors in 'em.
> They are an HP DraftPro DXL which has motors marked Gebr. Buhler Nachf.
> GmbH, the one I can see having the numbers 3140-0811 and 49 0 019 0 on it.

These are pretty good servo motors with encoders.

> The other is a Calcomp Artisan Plus 1023 which has Yaskawa Minertia motors
> marked FA5s-CA11 and FA5x-CA31 (part nos, 696790-5 and 12865-0017
> respectively)

There are extremely fine servo motors, if they are similar to the ones in my
Calcomp 1076C. Mine might be larger, as it is a pretty big plotter. These
are better for acceleration than total power output.

> None of the motors look particularly powerful but it seems a shame not to
> try to do something useful with them. I've searched the net with Copernic
> and Google but not come up with any useful info. Can anyone help please?

Any specs on the motor nameplate itself? Most of my Yaskawa motors do
have a voltage and current rating on the plate.

Anyway, you won't run a bridgeport with these motors. You probably could run
a Sherline very well, however.

Jon