Re: plasma cutting table

Hello Hoyt,
I would be interested in seeing those sketches if its not to much
trouble. I kinda get the Idea from your description, but, like they
say, A picture is worth a thousand words.
Thanks
Dale

--- In CAD_CAM_EDM_DRO@y..., batwings@i... wrote:
> At 10:02 PM 4/2/02 -0600, you wrote:
> >Torchmate didn't always have two racks for driving the gantry, and
I am
> pretty sure you are on target with the thought that they did it
when they
> started thinking "Router Head".
>
> Guys when I worked for an X-ray equip maker, we had a problem
somewhat
> similar: XY motion of the cassette containing the film, which is
common in
> these machines for exposing several pix on one piece. I was given
design
> responsibility for a new prototype which I laid out with cable
belts. The
> way this was done, both X and Y motor were mounted on frame and the
belts
> looped around idlers so they could have independant motion even
though
> moving X axis moved the Y idlers. More specifically, the Y axis
idlers were
> on the X carriage, but the X position didn't affect the Y belt
action. I
> farther tricked this out by putting idler for one part of one axis
drive on
> the mnotor shaft of the other, adjacent to the drive pulley for the
other
> axis. It worked out conmpact, neat, and effective. This given
heavier belts
> (we used 5/16" wide) would also be ideal for a router. One can get
part of
> the idea by looking at a T-crane hoist traveler, which can boom in
and out
> w/o affecting the hoist hgt. If our man would appreciate a sketch,
I'll put
> something on my site.
>
> Regards, Hoyt
>
> Belfab CNC - http://www.freeyellow.com/members/belfab/belfab.html
> Best MC Repair -
http://www.freeyellow.com/members/batwings/best.html
> Camping/Caving -
http://www.freeyellow.com/members/batwings/caving.html
> Hamas vows revenge against perpetrators of the USS Stark incident