On 22 Nov 2008 at 12:31, Pascal Lelièvre wrote: Welcome to EMC Pascal.
Normally if you have a new question you start a new subject so it is easy to track. I changed the subject on this reply, I hope you see it. > Hello > > I present myself : Pascal Lelievre, new to this list, living in > france. > I've got a german CNC Router AL640 from Team-Haase, with stepper-motors. > I'm using EMC2 since a few weeks and I'm satisfied about it. > > I'm more a lurker here, as most of the messages you all post are for > me a little bit like dark magic to me (I'm 'learning' CNC and CNC > use , that's not my main job, and I have to learn everything) > > I noticed this problem trying to mill some circles and the 'joint 0' > error occured when trying to mill , after having milled successfully > 1/4th of the circle, on the G1 command where only 'pure Y-axis' move > was required. > > I wondered about this and played with the G61 , G61.1 options, to no > avail, the problem was still there. > As I wasn't really happy from some 'corners' which came out rather > circular somewhere else on the job, I digged in the G-Code > explanations and found the G64 Px.xx instruction very usefull. G64 Pn.nnn has nothing to do with a following error. Perhaps you don't have the latest manual. The French version is not the latest for 2.2.x so here is the current English section. http://www.linuxcnc.org/docview/html//gcode_main.html#sub:G61,-G61.1,-G64: http://www.linuxcnc.org/docview/html//common_Stepper_Diagnostics.html#r1_2_1 > > Something remains to me a mistery : the value given as parameter for > the G64 P command was/is smaller than the FERROR and MIN_FERROR given > in the ini file , so I don't understand why a smaller error gives a > better result . I had imagined that a smaller errors induce more > constraints than a relaxed parameter ? > > So it works , but I'm not sure I really understand why ? (well I made > the assumption FERROR, MIN_FERROR and the G64 Px.XX parameter where > somehow linked, this might be wrong.) > > > Sorry if this sounds a stupid question, I'm just a beginner here. > > Best Regards > Pascal Everyone had to start from the beginning once... John ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
