On 08/06/2013 10:44 PM, Gregg Eshelman wrote: > On Tue, 8/6/13, TJoseph Powderly <tjt...@gmail.com> wrote: > > cosine err? > the motion of the axis must be colinear with the motion of > the scale theres a few pages supplied wiht all Heidenhain scales > describing the mounting techniques and qualifications. > i could assume this has been verified, but it would explain > motion that returns to same point yet has constant distance err > regards > tomp > > If the scale's not mounted perfectly parallel to the motion axis but is close > enough so it doesn't bind as it slides, that would produce an error that's > linear and always repeats exactly. But would it produce that much of an error? > > ------------------------------------------------------------------------------ > Get 100% visibility into Java/.NET code with AppDynamics Lite! > It's a free troubleshooting tool designed for production. > Get down to code-level detail for bottlenecks, with <2% overhead. > Download for free and get started troubleshooting in minutes. > http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > whatever angle whose cosine produces 158um over the traveled distance. that'd be ~.006" and i didnt see the distance traveled stated. it wouldnt be much of an angle at a great distance. but i hear its NOT linear so... forgettaboudit its not cosine error
(btw theres and external surface on the alum enclosure meant for tramming it collinear. ) tomp tjtr33 ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users