John Kasunich wrote: > Stephen Wille Padnos wrote: > There's not much more we can do without knowing what we're chasing. > > > Seconded - although you've provided some description of the symptoms, it > is really rather vague and raises more questions than it answers. We're > discussing it on IRC at the moment, and it seems like every other > statement is something like "I think he means....(something)". > > For example, in your first message you mentioned something about 20-30 > degrees of movement. I assume that is movement of your leadscrew or > maybe motor shaft? In any case, 20-30 degrees is a lot of steps - even > for a full-step drive that is something like 20 steps, for a > microstepped drive it could be 100 or more. But the "4th 5th 6th" > decimal place jittering you are describing sounds like only one or two > steps at the most. So which is it? Jittering typically means moving > back and forth with no net movement, but again, 20-30 degrees is a lot > of movement. > Sorry does 2 things, one is the 10 to 20 degrees on the stepper shaft/screw (1to1), the second is a real slow vibration/jitter that move the stepper at a rate of about 90degs per 30 seconds. I have not seen it do the 1st for a little while, all I have seen it do lately is the second method. > Is there any way you can get in IRC from the EMC computer so we can ask > questions in more detail and get immediate answers (that would also let > you run tests and immediately report the results). > I don't have a problem getting on IRC, I would rather talk though, I type too slow. Write me off the list and I can get you a number or you can give me yours if you want.
PS, in my message with the Stephen I have figured out that it does not do it if I put my backlashes back to 0. I have my scale set to 40000 also. Thanks Andy > Regards, > > John Kasunich > > > ------------------------------------------------------------------------- > 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 > > ------------------------------------------------------------------------- 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
