Thanks for the info Gene. Looks like I'll give installing EMC a go this weekend.
Drew Gene Heskett wrote: > On Friday 14 December 2007, Drew Rogge wrote: > I'm not a coder, just a user so I could be wrong here. > > I believe emc now uses the MAXACCEL & MAXVEL (I think that's the correct > names) variables to profile the backlash moves since version 2.0.0 I believe, > and I have used backlash settings up to 17 thou in my Z axis settings without > a problem other than the head still rocks and a curve cut that involves a > direction reversal of the Z at the top of the curve still leaves a visible > artifact in the finish. I've since rebuilt my Z drive from scratch and now > use about 2 thou of backlash comp. The drive is now in front of the post and > much much stiffer. > > IMO EMC is doing a great job of handling that now. I recently cut some > pockets for ball bearings that took some tweeking of the x & y backlash > settings I had previously guessed at from watching a dial indicator, and by > the time I reached the finished size of the pocket, the error from a perfect > circle was not detectable by my cheap dial indicators, one mechanical, one > digital. Driving the bearings in and back out to polish the high spots > generally showed a pretty random contact pattern, and my new z axis drive is > happy, that's where the bearing pockets were going to be used. > > Yeah I know, a micromill is a sows ear, but its what I could afford at the > time. It doesn't much resemble the catalog picture now. :) > -- Drew Rogge [EMAIL PROTECTED] ------------------------------------------------------------------------- SF.Net email is sponsored by: Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
