On Monday 26 October 2009, Hubert Bahr wrote: >Gene > I used Roton >http://www.roton.com/ballscrews-ballnuts-nav.aspx?line=Recirculating >for both my X2 and X3 unfortunately I only found the 5/8 screws >reasonable. Yes the ball nuts are a major cost as I use 2 for each >axis. Nuts less than $25 each. I don't know how they would fit in an X1. > Yes, their bronze nut for 1/2-10 looks exactly like the ones I got from MSC, but paid over $30 ea for 2 about 3 years ago. I have them screwed into a piece of steel and use the thread pitch diffs as a backlash takeup mechanism. They both can be seen here: <http://gene.homelinux.net:85/gene/emc/mill-fr-right.jpg>
Which is a picture of the whole mill with the new z axis kluge from the right side. In this case the screw does not turn, the nut(s) do, trapped between some good sized thrust type ball bearings sitting in the alu blocks. >Hubert > >Gene Heskett wrote: >> On Monday 26 October 2009, Andy Pugh wrote: >>> 2009/10/27 Gene Heskett <gene.hesk...@gmail.com>: >>>> So where does one get ball screws cheap enough to use on an X1 upgrade? >>> >>> Depends how cheap is cheap enough. eBay is one source, I got my 8mm >>> Y-axis from there. I got the others from here: >>> http://www.slidesandballscrews.com/r1605-ballscrew-p-120.htmlcPath=39&os >>>Csi d=a8fb38ca49d7a4f1ccaf2d30ceb1e09a >> >> Error 404, not found >> >>> And I have found few places as cheap. >> >> I went to the home page and found them. The screws are at a good price, >> but the nuts are beyond my reach. And shipping? I'm in the U.S. > >--------------------------------------------------------------------------- >--- Come build with us! The BlackBerry(R) Developer Conference in SF, CA is > the only developer event you need to attend this year. Jumpstart your > developing skills, take BlackBerry mobile applications to market and stay > ahead of the curve. Join us from November 9 - 12, 2009. Register now! > http://p.sf.net/sfu/devconference >_______________________________________________ >Emc-users mailing list >Emc-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/emc-users > -- 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) The NRA is offering FREE Associate memberships to anyone who wants them. <https://www.nrahq.org/nrabonus/accept-membership.asp> The meek are contesting the will. ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
