just get(calculate or read a table) the circular pitch of the gear and cut an acme form of that pitch on the rack the angle is as quoted for the gear you are using, either 14.5 deg or 20
Dave Caroline On Mon, May 11, 2009 at 12:05 PM, Jack Coats <j...@coats.org> wrote: > I would like to make a rack that matches an involute gear. > > I guess we could just put in a radius of a 'very large' number, rather than > infinity. > > The square root radical would evaluate to the square root of 2, but I don't > know what > I would use as the value of alpha. > > Suggestions? > > IHS ... Jack > > > On Mon, May 11, 2009 at 2:42 AM, Kirk Wallace > <kwall...@wallacecompany.com>wrote: > >> On Sat, 2009-05-09 at 22:13 +0100, Dave Caroline wrote: >> ... snip >> > >> > If you make a generic cgode involute program I would be interested >> > seeing it. >> > >> > Dave Caroline >> >> It's not g-code, but is what I have so far: >> http://www.wallacecompany.com/machine_shop/gears/involute_equation-1a.png >> (Short URL) http://alturl.com/oqwv >> >> -- >> Kirk Wallace >> http://www.wallacecompany.com/machine_shop/ >> http://www.wallacecompany.com/E45/index.html >> California, USA >> >> >> >> ------------------------------------------------------------------------------ >> The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your >> production scanning environment may not be a perfect world - but thanks to >> Kodak, there's a perfect scanner to get the job done! With the NEW KODAK >> i700 >> Series Scanner you'll get full speed at 300 dpi even with all image >> processing features enabled. http://p.sf.net/sfu/kodak-com >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > ------------------------------------------------------------------------------ > The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your > production scanning environment may not be a perfect world - but thanks to > Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700 > Series Scanner you'll get full speed at 300 dpi even with all image > processing features enabled. http://p.sf.net/sfu/kodak-com > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your production scanning environment may not be a perfect world - but thanks to Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700 Series Scanner you'll get full speed at 300 dpi even with all image processing features enabled. http://p.sf.net/sfu/kodak-com _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
