Re: Need some help!

>--- In CAD_CAM_EDM_DRO@yahoogroups.com, John Johnson <johnatl@m...>
>wrote:
> Ed,
>
> I understand what you're talking about. Give me a little time to
>work
> on the math.
> Basically, the approach to take is by creating the curve in the
>flat,
> that is, substitute X for the A axis. When machining, you can sub A
>for
> X. I'm working out roller and tool offsets and the like. What
>you'll
> need to do is find the angle perpendicular to the curve at some
>point,
> measure out along that angle for the radius of the roller, that
>will be
> the path the roller should be on. From the same point on the same
> angle, move out the radius of the cutting tool, that will be that
> actual cut path.
>
> If you have the curve designed, email it to me and I'll work with
>it in
> TurboCAD. I've been working on radius compensation using VBA in
> TurboCAD, so this is along similar lines.
>
> More later.
>
> Regards,
> JJ
>

Am I missing something here?
If you have the path why not just program that path ????

John S.