Re: [CAD_CAM_EDM_DRO] Re: Can You Machine NURBS?

Rhino is a NURBS modeler and by using the Contours command just generated a
thousands of sections in about 15 second. Set the contour distance for .01
or what ever you want and let it rip... might be useful for that sectioning
problem on the ink deposition santa claus machine. Someone can figure out
how to properly connect the ends of the contours it looks like it could also
generate tool paths.

Mike Rainone

----- Original Message -----
From: <mjf46@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, December 11, 2002 10:45 AM
Subject: [CAD_CAM_EDM_DRO] Re: Can You Machine NURBS?


> Jerry,
>
> Check out http://www.mmsonline.com/ and search for NURBS.
>
> Matthew
>
>
>
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Carol & Jerry Jankura"
> <jerry.jankura@s...> wrote:
> > What G-Code interpreters will interpret/execute the 'few lines of
> NURBS
> > G-Code' to actually produce the part. Am I not right in thinking,
> that until
> > the controllers handle it, you'll still be stuck with your huge
> files?
> >
> > -- Jerry
> >
> >
> > |NURBS stands for Non Uniform Rational B-Splines. It is a way of
> > |discribing a complex curve by math equations. Simular to splines.
> > |
> >
> > |NURBS interpreters (CAD/CAM) will allow you to draw those artistics
> > |shapes and import the math equation directly into the machine
> > |controller. It is then up to the controller to calculate the cutter
> > |path. It only takes a handful of lines of NURBS G-Code to describe
> a
> > |complex free flowing curve. There are two advantages to this, you
> are
> > |able to machine the exact shape you drew, and the post files come
> out
> > |of the CAD/ CAM with a 60-90% reduction in size.
> > |
> > |If you have ever milled a curve consisting of lots of small
> segments
> > |you know how taxing it can be on your machine. The surface finish
> > |also suffers from these small jerky movements.
>
>
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