Re: [CAD_CAM_EDM_DRO] Tangential movement function design

HI Art,

Good work! Not that I need it, but I'm sure it will be well received!

Makes me want to get XP pro to try it out! (old DOS man).

Alan KM6VV


Art wrote:

> Hi:
>
> Just a note on this that Mach2 has tangental support as of the next
> versions release. The A axis will toggle to point in the right vector by
> taking the shortest route to the required angle.
>
>
> Art
> www.artofcnc.ca
>
> ----- Original Message -----
> From: "Alan Marconett" <KM6VV@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Thursday, June 10, 2004 9:03 PM
> Subject: Re: [CAD_CAM_EDM_DRO] Tangential movement function design
>
>
>
>>Hi K,
>>
>>Wouldn't you just calculate the angle of the line you're about to cut
>>(to the X axis)? And mind the quadrant. I see no dependency on the
>>direction of the previous line, unless you need to rotate in the minimum
>>direction. For that you have the previous angle. I'd rotate to
>>absolute angles, not incremental. Otherwise, you'd possibly have
>>accumulated errors.
>