Hi, Your are most probably in some mechanical resonance. You can try to tune the DM860 for this, using the tools from leadshine "protuner"
http://www.leadshine.com/productdetail.aspx?type=products&category=stepper-products&producttype=stepper-drives&series=DM&model=DM870 Claude Le 20.04.2016 06:33, Gene Heskett a écrit : > Greetings; > > One of the things I am noticing, when running this crippled Z drive at > various speeds, is that up to about 3/4 rps at its shaft, it moves dead > silently, but by 2 rps, its rattling tools off the table, exactly as if > is was being full stepped, and it doesn't become at all smooth again > until its moving the head at 25 ipm or more, then stalls at just under > 48 ipm. > > 2 related questions then; > > This is a DM860 drive. It it known to drop the microstepping at an > unusually low rps? > > I'm looking at the DQ2722MA, 110-220VAC, 7.0A, 200 Microstep, driver/psu > combined, which is 110-250 volt AC powered, which would remove the 350 > watter doing that job now, but its close to $185 in a box on my front > deck. So by the time I get the 906 oz motor Greg B. recommends, and hang > some counterweighting springs on this thing I'll have close to $300 USD > in solving this problem once and for all. > > What say you folks? Will this truly solve it? > > Thank you all. > > Cheers, Gene Heskett ------------------------------------------------------------------------------ Find and fix application performance issues faster with Applications Manager Applications Manager provides deep performance insights into multiple tiers of your business applications. It resolves application problems quickly and reduces your MTTR. Get your free trial! https://ad.doubleclick.net/ddm/clk/302982198;130105516;z _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
