Re: [CAD_CAM_EDM_DRO] Tangential movement function design

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.