hmmm i wonder is the hamonic in the shaft or the motor housing , most likely the shaft. when i made the delrin nut it helped my stall quite a bit i may be able to figure a way to damp the coupling , or belt drive it which i have been considering and then damp the pulley
jeremy youngs On Thu, Feb 27, 2014 at 10:13 PM, Gene Heskett <[email protected]> wrote: > On Thursday 27 February 2014 21:51:36 jeremy youngs did opine: > > > hmmm... yours look bigger than jeffs drawing , > > They are, made from old 1.75" mine shafting, with lots of swarf on the > floor by the time I was done. > > > i dont have dual shaft > > motors , > > Ouch. > > > i wonder if adding a large damper at the other end of my screw > > would work, i have 2 dials , steel 1 in thick 3 in diameter a couple > > pieces of rubber and a nut should do it , i will put this on my list > > thanks gene > > Not near as well as right on the motor. The screws torsional flex will > tend to let the motor do its own independent dance. Adding a flexible > coupling between the motor and the screw will probably make the resonance > worse. Sometimes lots worse. > > All the motors Jeff (xylotex) has are double ended. Some (3) of mine are > 10+ yo now and seem to be plenty good enough to outlast the rest of me. I > bought a 3 pack of the 262 oz originally, and have bought 4 more of the > 425's in the last 5 years. No problems I didn't invent because I didn't > know what I was doing. :) > > 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) > Genes Web page <http://geneslinuxbox.net:6309/gene> > > NOTICE: Will pay 100 USD for an HP-4815A defective but > complete probe assembly. > > > > ------------------------------------------------------------------------------ > Flow-based real-time traffic analytics software. Cisco certified tool. > Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer > Customize your own dashboards, set traffic alerts and generate reports. > Network behavioral analysis & security monitoring. All-in-one tool. > > http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Flow-based real-time traffic analytics software. Cisco certified tool. Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer Customize your own dashboards, set traffic alerts and generate reports. Network behavioral analysis & security monitoring. All-in-one tool. http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
