Hi all Since a couple of days I experience a strange problem:
The z axis of my mill is running off. Furtunately it is not diving into the table but lifting away. It could be it is since I upgraded from 2.2.8 to 2.3.4-1, but before I conclude this, I would like to ruel out all other possibilities. This is truely the only axis that is concerened, which especially puzzles me. I rechecked the alignement, loctited all screws again, checked tension of belts and so on. I strongly believe my mill is mechanically OK. Finally I called up the guy who sold me the mill, a nice chap but he is purely on windows. He said, by the description, he could think of cable isues or timing stuff. He indicated I have leadshine 556 amps that according to him require 10 us for direction. So, after checking the cables (OK), I rechecked with stepconfwizard, and set all 4 parameters to 10'000 ns = 10 us. Then I reran latency and stressed the machine really hard (box been running for more than a 1' months w/o problems so far). I get some 17'924 ns of Jitter. I enter 18'000 ns and stepconfwiz tells me min system clock should be 28'000ns or 28 us. Isn't this kind of a contradiction to the driver timing settings which I set as follows (kindly note, I use german interface, so translations back to english may be skew): Length of single step 10'000 ns Length in between two steps 10'000 ns Time in between step and direction change 10'000 ns time between direction change and step 10'000 ns My feeling tells me, I should set these values to something above max Jitter or >28'000ns. Am I right, can this damage anything? greets chris __________________________________________________ Do You Yahoo!? Sie sind Spam leid? Yahoo! Mail verfügt über einen herausragenden Schutz gegen Massenmails. http://mail.yahoo.com ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
