Re: [CAD_CAM_EDM_DRO] Higher voltage servo motors with low volt drivers

Hi Mina
If you want a servo drive which will suit your motor I
suggest you try www.rutex.com
I am running larger motors with excellent results.

Illya

----- Original Message -----
From: "Mina Aboul Saad" <minaf@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, September 22, 2003 4:55 PM
Subject: [CAD_CAM_EDM_DRO] Higher voltage servo motors with low volt drivers


> I posted a thread a couple of days ago, indicating my need to change an
old
> controller on a medium size bed lathe with a setup of Turbocnc and Gecko
> 320.
> Motors are as follows:
> Servo motors are Siemens with the following specs:
> - Dc Servo, permanent magnet.
> - 1.03 kW
> - 2000 RPM
> - 176 V
> - 7.1 A
> - Max. torque 5 Nm
> With an optical encoder, +5v and 1024 count/turn.
>
> I received a couple of replies one indicating that I would loose a lot of
> speed as Gecko's max voltage is 80V, and the other is that I should try a
> copley driver.
> I took a look and Copley drivers, I got a little lost as my Electrical
> background is not so good, but I think they do not accept Step&Direction
> from a PC.
> My question is, if I'm willing to sacrifice the speed, will the Geckos run
> my motors, what about the torque??? will I loose a lot of torque???
> And regarding the current will it be suitable to run 7.1 A with Geckos???
>
> I'm doing this for the first time, so any help is truly appreciated.
>
> Mina F.
>
>
>
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