On Tue, Mar 19, 2013 at 9:23 AM, Wesley Moore <wmo...@jlab.org> wrote:
> Brief background: EPICS is a basically a client-server framework for > cross-platform distributed controls. The server-side provides variables that > clients can read/write too. The variables can store data or act as triggers. We used EPICS around here (we're your relative neighbors from NIST/NCNR in Gaithersburg MD) > Currently, I'm testing/learning linuxcnc with a 3-axis mill for proof of > principle. But our goal is to build a hexapod that's fully integrated with > our EPICS controls, that's where I come in. One of my colleagues posted a > design sim here: > > https://www.youtube.com/watch?v=8nSfLRaEPEE&list=UU7zkQp-M-_i3c498p9MGWmA&index=1 > hmm, 0.00006"/step, assuming 200 steps/rev is .012 inch/thread, or 83tpi. This is an ambitious lead screw---and also, don't forget about the backlash. Typically backlash is in the few mil range, so it seems that it seriously eats into your desired accuracy. You may need to look into ballscrews and microstepping for this kind of accuracy. ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
