Re: [CAD_CAM_EDM_DRO] MSA 665 linear Encoder

Well encoder input is the real question. Lots of CAD packages can deal
with a point clould to make a surface.

Steve Haushahn wrote:

>Dave
> Yes , be simple enough to build the structure of the machine. How do you
>then take signals from either rotary encoders or linear scales and get them
>into the computer to make the drawing?..That would take some kind of 'board'
>and software...Thats point where I fall on my face.. I just finished
>building up a cnc mill - so I vaguely familiar with some of this but not
>enough-- not near enough to make such a gizmo work.
> Steven
>
>
>>Actaully such a machine would be pretty easy to build. all roller
>>slides, a counterweighted Z would work for the 3D aspects. An easy
>>encoder interface for positioning might be just some encoders with a
>>rubber wheel against a flat surface. The harder part would be the
>>stylus offset to the work to get surface coordinates, One way around
>>that is to use a cutting tool with the same radius as the stylus and
>>work with no tool offset in the final path.
>>
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