Nice! Was the Z axis lead screw also a ball screw or did you leave that as ACME? Has it an anti-backlash nut if still ACME? John
> -----Original Message----- > From: Sam Sokolik [mailto:samco...@gmail.com] > Sent: April-17-22 6:47 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Because I can't seem to finish anything... Nebel > lathe conversion. > > Mark - I will have to use that as an excuse.. :) > > 2 axis moving! > > https://www.youtube.com/watch?v=tItdEEDYy2g > > On Sun, Apr 10, 2022 at 11:10 AM Mark Johnsen <m...@ijohnsen.com> wrote: > > > Cool! > > > > On a side note, I just finished listening to Walter Isaacson's biography on > > Leonardo Da Vinci and wanted to inform you that you're in good company > > because he had serious issues finishing projects. Of course, humanity got > > the worse end of that by him not publishing his work. But, when you start > > to dwell on a project that you haven't finished, just think, "Oh yeah, > > Leonardo didn't finish many of his projects either." > > > > On Sat, Apr 9, 2022 at 7:25 PM gene heskett <ghesk...@shentel.net> wrote: > > > > > On Saturday, 9 April 2022 21:27:26 EDT Sam Sokolik wrote: > > > > X is almost ready to test... > > > > > > > > https://photos.app.goo.gl/GzyjvC49J2rTXyaG8 > > > > > > Looking good Sam, similar to what I did to my Sheldon, but my motor mount > > > is a sliding plate on the front of a much bigger 1/2" apron so I can > > > screw drive the belt tension, and with stepper/servo's, only a 2/1 ratio > > > stepdown. X speed max is just over 60" a minute with a 2NM 3 phase > > > stepper motor. The rest of my apron has the encoder dials to drive it by > > > hand. Seemed the ideal place to put them. Put them near where the cranks > > > used to be. Feels natural. I sealed up the tunnel the x screw is in, top > > > and bottom so swarf can't get to it unless its past center going in. And > > > I put bellows on the z screw on both sides of the nut for its swarf > > > protection. I even drilled two of the nuts 6 holes all the way thru so > > > rapid z movements could let the air get from one bellows to the other w/o > > > sucking in contaminents. > > > > > > > On Thu, Apr 7, 2022 at 8:18 AM Sam Sokolik <samco...@gmail.com> wrote: > > > > > Most likely it needs that movement because it can spin 30 + inches ;) > > > > > > If it can spin 30", what is the max spindle speed? > > > > > sam > > > > > > > > > > On Thu, Apr 7, 2022 at 5:46 AM andy pugh <bodge...@gmail.com> wrote: > > > > >> On Wed, 6 Apr 2022 at 20:22, Sam Sokolik <samco...@gmail.com> > > wrote: > > > > >> > The cross slide has around 17 inches of travel... Crazy.. > > > > >> > > > > >> For gang-tooling perhaps? > > > > >> > > > > >> -- > > > > >> 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://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 > > > > > > > > > > > > > > > > > > _______________________________________________ > > > 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 > > > > _______________________________________________ > 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
