On 02/21/2015 07:29 AM, Peter C. Wallace wrote: > On Sun, 22 Feb 2015, Erik Christiansen wrote: > > snip >> >> On a 3D printer, free of cutting forces, I figure microstepping would be >> OK at constant velocity, but rubbery under strong acceleration. At least >> it's only full steps that you can permanently lose. >> > > > Actually step motors lose steps in multiples of 4 full steps > (a full pole slip = 360 electrical degrees, a full step is 90 > electrical degrees)
In case it might be handy, considering stepper design reminded me of a link I sometimes go back to to refresh my understanding: http://homepage.cs.uiowa.edu/~jones/step/physics.html http://homepage.cs.uiowa.edu/~jones/step/#abstract -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/ ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=190641631&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
