Re: [CAD_CAM_EDM_DRO] some unsolicited advice was Re: Help Pick out best software

I just "happen" to have a "mirror image" inletting machine handy that I've
designed an am building. Using the main frame of this and a spindle similar
to the one for my Dream Machines would make one terrific heavy duty 3D
router.

Smoke
-----Original Message-----
From: ballendo@... <ballendo@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Wednesday, November 29, 2000 6:16 PM
Subject: [CAD_CAM_EDM_DRO] some unsolicited advice was Re: Help Pick out
best software

>RFS, and others,
>
>Keep in mind that the cutting forces (resisting movement) of a router
>based CNC machine are MUCH greater than a plasma torch! For a 3-point
>system to work well, or at all(with a router); it must be
>VERY "stiff"! plans to do ANY metal machining will require even more
>machine "stiffness".(resistance to deflection by tool cutting forces)
>
>Driving "both ends" or a really WIDE spacing of the 2 co-linear
>points will help. One cheap way to deal with deflection at the end of
>the arm is to use a thin steel cable and pulleys (like a drafting
>table "parallel rule").
>
>Hope this helps.
>
>Ballendo
>
>P.S. There are a fair number of torchmate owners who are unsatisfied
>with the structures' performance even WITH "just" a torch. And of
>course, others who are completely satisfied.
>Be aware of what YOU are trying to accomplish!
>
>>I would be interested in the approach you are taking in constructing
>>your router table. I am collecting a variety of info on doing the
>>same and plan on starting construction soon. TorchMate has some nice
>>photos of their product. Thanx. RFS.
>
>
>
>
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discussion of shop built systems, for CAD, CAM, EDM, and DRO.

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