Are the linear scales mechanically adjustable?
On Tue, Aug 6, 2013 at 10:25 AM, andy pugh <[email protected]> wrote: > I am in discussion with a chap who is retrofiting a Hardinge HXL. It > has linear scales, interpolator boxes set to 256x and is running a > 5i25/7i77 combo. > > The repeatability is good. Actually is is better than good, it returns > to the exact same digit on a 0.1um (0.000004") length probe every > time. > http://youtu.be/2oWc6val6ME > > The problem is that the travel distance isn't accurate. A 50mm move is > out by 0.158mm. The encoder scale is set to 25600 (10um scales, 256 > interpolation). > It doesn't seem like it could be missed encoder counts or the > repeatability wouldn't be so good. > > Any ideas where to look? Bear in mind that this is all done by linear > scales. > > -- > atp > If you can't fix it, you don't own it. > http://www.ifixit.com/Manifesto > > > ------------------------------------------------------------------------------ > Get your SQL database under version control now! > Version control is standard for application code, but databases havent > caught up. So what steps can you take to put your SQL databases under > version control? Why should you start doing it? Read more to find out. > http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Addressee is the intended audience. If you are not the addressee then my consent is not given for you to read this email furthermore it is my wish you would close this without saving or reading, and cease and desist from saving or opening my private correspondence. Thank you for honoring my wish. ------------------------------------------------------------------------------ Get your SQL database under version control now! Version control is standard for application code, but databases havent caught up. So what steps can you take to put your SQL databases under version control? Why should you start doing it? Read more to find out. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
