On Friday 07 October 2016 10:34:19 Roland Jollivet wrote: > On 6 October 2016 at 17:27, Gene Heskett <[email protected]> wrote: > > On Thursday 06 October 2016 09:54:59 andy pugh wrote: > > > On 6 October 2016 at 12:32, Gene Heskett <[email protected]> wrote: > > > > Anybody got a better idea than sacrificing two of the six bolt > > > > positions to make the coupling vents? > > > > > > Tubular bolts? > > > > > > Oh, you said _better_ ideas? > > > > Or even drilling a random but bigger hole but that would involve > > removal of the nut, catching all the balls and then feed them back > > into the nut. I think I'll pass as these nuts do not have removable > > return tubes. But that doesn't prevent me from boring the thru-hole > > at least the same size > > Hi Gene > > You don't need to remove the balls. Just find some hose that matches > the min OD of the ballscrew, probably around 22mm. Then you just roll > the nut onto the hose. Carefully.. > > Also, if you have shop air available at the machine, you could add > 1/8th fittings to either end of the bellows, or at the nut, and piss a > teeny amount of air into each end of the bellows. A low pressure > regulator or just a restrictor would work. A positive pressure on both > sides of the nut will mean; > - no equilibrium needed > - will always be purged with clean air > - dispense with a vacuum being generated on one side during travel > which can suck dust in. > Agreed Roland. The devil is in the details of course. :)
Thanks Roland. Cheers, Gene Heskett -- "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> ------------------------------------------------------------------------------ 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
