Re: [CAD_CAM_EDM_DRO] Re: Can CNCPro users provide some input?

> ----- Original Message -----
> From: Tom Eldredge <harmonyt@...>
>
> > G41 and G42 are very challenging upgrades. Dennis, at Supercam found this
> > out recently. A long time ago, a professor at Carnege U in Pittsburg, PA
> > tried to do it and it was a disaster. I kind of think it is probably the
> > most difficult thing to put into a control. I have pondered it for hours,
> > but never started putting code down for it myself. There are so many
> > different circumstances that must be anticipated in the tool position.
> >
> > Tom Eldredge
>
> I worked on algorithms to do tool offset for two years and I can assure you
> the math is ugly. I also talked to a programmer that wrote the offset
> routines for a well known CAM package. He said it was six months of full
> time work. We can't blame Doug Yeager for omitting it in his $175 program.