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 > 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) 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
