Put a lesser indicator at each end of the span. The distance between is moot.
----- Original Message ----- From: "Mark Wendt (Contractor)" <[email protected]> To: "Enhanced Machine Controller (EMC)" <[email protected]> Sent: Thursday, March 25, 2010 10:20 Subject: Re: [Emc-users] Jogging inaccuracies > At 10:10 AM 3/25/2010, you wrote: >>You also need to take into account the form accuracy of the rack and >>its gear, this will give a cyclic error at tooth rate. >> >>The stepper will not give accurate amounts with microsteps, again its >>a cyclic error between steps specially if the torque as a percentage >>of what the stepper can do. >> >>Dave Caroline > > Sure wish I knew somebody with a 52" dial indicator... ;-) That's > the length of the run in the x axis. Be nice to see if this kinda > all averages out over the length of the run. > > Mark > > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
