Re: [CAD_CAM_EDM_DRO] CNC hydraulic test

>From: "Sven Peter, TAD S.A." <peteryco@...>
>To: "CAD_CAM_EDM_DRO@egroups.com" <CAD_CAM_EDM_DRO@yahoogroups.com>,

>Subject: [CAD_CAM_EDM_DRO] CNC hydraulic test
>Date: Mon, Jun 18, 2001, 10:58 PM
>

> Hello Friends,
> For years I dreamed of converting the hydraulic control of
> my copy lathe into CNC.
> Right now I have 2 electronically driven proportional valves
> sitting on my table together with the driver boards.
> The client permits me to make a test for my project before I shall
> install them in his machine.
> The input is -10V...0V...+10VDC but I have no computer with interface
> cards.
> Has somebody an idea how I could make me a simple test set-up to find
> out
> if these proportional valves would do an acceptable job in an CNC
> application?
>
> In THOSE days when I studied it was said it would go OK to make a CNC
> machine with hydraulic pistons. Now everybody goes with ball screws and
> server or stepper motors. Might be I am stubborn but at least I want
> want to have made
> a test before I go to ball screws.
>
> Good luck to everybody and enjoy northern summer we have the rain again
> in Costa Rica.
> Sven Peter
>
>
> [Non-text portions of this message have been removed]
>
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