On Thursday 30 August 2012 11:30:20 Matthew Herd did opine: > > With an open-loop system, there is no measurement available other than > > your ears or a dial > > indicator. As long as it doesn't lose steps, you are OK. When first > > starting to machine > > actual work, watch out for missed steps. > > Thanks Jon! That's what I was afraid you'd say ... The default accel of > 15 caused intermittent stalls. It's easy to see you're losing steps if > you're paying attention, but that's not always the case. I turned it > to 10, and it wasn't enough. Finally, 5, and it worked perfectly for a > machining run I did. But now I'm considering turning it up a bit. > Perhaps instead I'll just restore the velocity values. I doubt the > limited accel will have TOO much of an impact ... Here, on my toys, I've found that restricted accel's seem to allow quite a bit higher MAX_VEL's. 5's are high for me, 2's & 3's are more tolerable. YMMV of course.
Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! It is now pitch dark. If you proceed, you will likely fall into a pit. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
