He is not saying it doesn't work... He is saying the performance isn't there..
On Tue, Jul 4, 2023, 4:14 PM gene heskett <ghesk...@shentel.net> wrote: > On 7/4/23 16:42, andrew beck wrote: > > I would also help pay someone in a heart beat to fix the trajectory > planner. > > > > Some sort of jerk control would be awesome. > > > > It doesn't need to be active in any special cases like spindle > > synchronization but just if it worked for 4 axis simple motor at least > > would be a game changer > > > I have no connection to tormach, but I've been doing synchronized y+b > motions involving about 30 turns of the B axis, absolutely synched to > the y axis motion at 12mm per turn, rotating B another 180 degrees and > caring my way back to the start 180 degrees different synch point to > make a 12mm pitch, 2 start 6mm buttress thread, successfully for about a > year. Cutting a that thread in a 22" hard maple 2x2. Where is the > problem I'm supposed to be having? > > I'd post a pix to show it works, but JK has me blocked from posting any > attachments. I have not resurrected my web page, it was in the /opt > directory of a bullseye install when something changed my pw during an > apt upgrade. Locked out, no root pw was ever made, I had no choice but > to excavate the bookworm net-install dvd and re-install. > > > On Wed, 5 Jul 2023, 06:22 Martin Dobbins, <tu...@hotmail.com> wrote: > > > >> "If we could get hold of the patches that introduced it to Tormach then > >> we could look at integrating it" > >> > >> Maybe a Tormach user could help with that? > >> > >> Martin > >> ________________________________ > >> From: andy pugh > >> Sent: Tuesday, July 4, 2023 1:13 PM > >> To: EMC developers <emc-develop...@lists.sourceforge.net> > >> Cc: Enhanced Machine Controller (EMC) <emc-users@lists.sourceforge.net> > >> Subject: Re: [Emc-users] [Emc-developers] Trajectory planner > shortcomings > >> > >> On Tue, 4 Jul 2023 at 18:34, Marius <mar...@mastercut.co.za> wrote: > >> > >>> The problem seems to be that our trajectory planner lack the ability to > >>> look ahead for any rotary axis. This means that a coordinated move that > >>> includes a rotary move will be dysfunctional at best. > >> > >> It's not as bad as that. > >> > >> There is a 9-axis blending planner in Tormach, but it's not trivial to > >> merge it with Linuxcnc due to divergence in the codebase. > >> > >> If we could get hold of the patches that introduced it to Tormach then > >> we could look at integrating it, but doing it just from comparing the > >> code sounds hard. > >> > >> -- > >> atp > >> "A motorcycle is a bicycle with a pandemonium attachment and is > >> designed for the especial use of mechanical geniuses, daredevils and > >> lunatics." > >> — George Fitch, Atlanta Constitution Newspaper, 1912 > >> > >> > >> _______________________________________________ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> > >> > https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=05%7C01%7C%7C91d37b0d77f54d3ecc2a08db7cbacebf%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638240914003879354%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=l6H2WYtGdwodmVqn5LJ63ADJShamxBDFw7IjMuaTrJg%3D&reserved=0 > >> <https://lists.sourceforge.net/lists/listinfo/emc-users> > >> > >> _______________________________________________ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > >> > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > 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, 1940) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/> > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
