Greetings <snip> >.If it's not centred properly you will get linearity errors in the > movement you want to control.
You certainly do > On the plotter this problem is solved in software. After replacing the > encoder a calibration routine prints thin lines and the plotter scans > back these lines and obviously calculates the date need to linearise the > encoder readout in software. That sounds difficult if the only motion system you have is the "faulty" one - the ultimate "bootstrap". Of course Joseph Whitworth refined his early leadscrews by measuring errors and compensating when cutting the next one but an independent measuring technique was needed. John Prentice ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
