On Saturday 11 July 2020 11:28:00 andy pugh wrote: > On Sat, 11 Jul 2020 at 16:11, Gene Heskett <[email protected]> wrote: > > I need to drill 6 holes in the face of a nema-23 adapter I'm making > > for a bigger 100/1 worm drive. That bolt circle is nominally 64.8mm > > in diameter so i feed arcgenm18,py 0,0,64.8,0,60 and click show me. > > The first line of the answer is the offset, driving the machine to > > the center of the first hole at 3 oclock on the circle. > > There is no need for this level of complication to spiral down full > circles. > > ; relative are centres > G91.1 > ; Go to first hole centre point > G0 @32.4 ^0 > ; offset to required radius > G91 > G0 X1.1 > G90
So you are showing me my mistake is NOT going back to G90 after that relative move. I'll give it a shot. Thanks Andy. > ;Touch the top > G0 Z0.5 > G1 F100 Z0 > ; Spiral down 4 mm in 8 turns > G2 Z-4 P8 I-1.1 > ; finish out the bottom. > G2 Z-4 I-1.1 > ; and next > G0 Z 10 > G0 @32.4 ^30 > ... Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
