Re: [CAD_CAM_EDM_DRO] Re: "metric" ballscrews? , and other misc.

If the "limit" for your system is set at 200 IPM using a .2" pitch on the
lead screw, then with the same imposed limit, changing ONLY the screw pitch
to .6" pitch would triple the fast rate to 600 IPM.

Smoke
-----Original Message-----
From: ballendo@... <ballendo@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Saturday, December 09, 2000 1:38 PM
Subject: [CAD_CAM_EDM_DRO] Re: "metric" ballscrews? , and other misc.

>Smoke wrote:
>>600 IPM is obtainable even using the "artificial limits". The
>>secret lies is in the mechanics, not the electronics.
>>Start with a faster pitch lead screw and work from there.
>
>Smoke,
>
>I believe you misunderstood my explanation re: CncPRO.
>
>The program "sets" a really low "top speed" through some internally
>derived algorithm, which seems to have no REAL basis. In other words,
>there appears to be some mistake(s) in the basic mathematical
>assumptions used by the program. For slower (hobby machinist)
>feedrates, it does not present a problem, but for faster speeds, it
>can.
>
>Sure, you could set up a 1:6 ratio and use a "fast" leadscrew, but
>then the motors/drivers become unwieldy.
>
>Hope this helps.
>
>Ballendo
>
>
>
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