On Friday 21 February 2020 17:43:34 John wrote: > Inches at the moment since the screws are imperial. And 3.3 x 60 is > almost 200ipm. So plenty of speed. > But that 3.3 is IPM, not IPS.
> Sent from John's iPhone 4S > > On 2020-02-21, at 2:23 PM, Gene Heskett <[email protected]> wrote: > > On Friday 21 February 2020 17:02:13 John Dammeyer wrote: > >> I'm confused about the acceleration parameters. > >> In the hal file. > >> setp stepgen.1.maxaccel [AXIS_1]STEPGEN_MAXACCEL > >> > >> Which comes from the ini file. > >> MAX_VELOCITY = 3.3 > >> MAX_ACCELERATION = 15.0 > >> STEPGEN_MAXACCEL = 35.0 > >> > >> What I'm finding is if I do a G00 X5 > >> It accelerates very quickly. > >> But if I use the jog buttons on the AXIS screen it takes a really > >> long time to get there. > >> > >> It's even worse with the 4th axis. Fairly quick with G00 A360 from > >> say 0 for one complete turn. But it's not even up to speed by the > >> time one turn has been done. > >> > >> These values aren't that much different. > >> MAX_VELOCITY = 180.00 > >> MAX_ACCELERATION = 720.0 > >> STEPGEN_MAXACCEL = 900.00 > >> I'm missing something but where? > >> Thanks > >> John > > > > Are you running in metric or inches?. If inches, those accell's > > would be too high, and is likely too quick even for metric. > > > > The MAXVEL's are both pretty slow as those are either ipm's or > > degrees per minute > > > >> "ELS! Nothing else works as well for your Lathe" > >> Automation Artisans Inc. > >> www dot autoartisans dot com > >> > >> > >> _______________________________________________ > >> Emc-users mailing list > >> [email protected] > >> 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) > > 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 > > _______________________________________________ > Emc-users mailing list > [email protected] > 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) 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
