haha scott towel wrong brand tho... https://www.youtube.com/watch?v=4Ubtg3wnvQc
tomp tjtr33 On 02/05/17 16:44, Gene Heskett wrote: > On Saturday 04 February 2017 17:09:34 Gene Heskett wrote: > > Driver part number corrected. > >> Greetings all; >> >> Does anyone have any experience with that Automation Tech driver? >> >> I am somewhat (ok a bunch) less than impressed with this DM860 thats >> driving that 1600 oz nema 34 on the Z screw. Its current stepping >> profile by the step is horrible and the steps can even be counted when >> running slow, and it sounds like its skipping every 8th or 16th step, >> but its not skipping it on the scope. >> >> I'd bought the KL8060 thinking of using it on the X motor, but its >> big enough to run this Z motor, and I am wondering if its noticeably >> smoother at microstepping than this DM860 is? >> >> Can anyone testify? >> >> Before I go to the trouble of unbolting the DM860 & swapping it out, >> which is a certified PITA. Its on a subplate inside this box and the >> screws are well nigh unreachable to reinstall. >> >> And now that the noise is tolerable, I might buy another kL8060, and >> put that 60 volt switching supply back in to run the x. >> > I did get the chuck clamping assembly done and installed. I believe it > can survive anything that VFD can throw at it. I did find that Polish > made chuck is not so true when backing into a bored hole that big, 5 > thou or so non-concentric. But I've not loosened the bolts to see if it > has some poor mans set-true slop yet. I need to figure out a shield for > the slot in the crossfeed above the ball screw, its exposed by the time > the crossfeed has moved inward 2" from the outer limit. I'm putting a > scott towel over it ATM, but thats far from a daily fix IMO. > >> Thanks everybody. > Cheers, Gene Heskett ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
