On Saturday 25 January 2014 12:50:35 Mark Wendt did opine: > On Thu, Jan 23, 2014 at 2:32 PM, Gene Heskett <[email protected]> wrote: > > On Thursday 23 January 2014 14:30:41 andy pugh did opine: > > > On 23 January 2014 15:24, Gene Heskett <[email protected]> wrote: > > > > Agreed and amen. Unforch, the size of ball screws it takes to do > > > > that to my HF micromill, are made out of pure unobtainium. The > > > > smallest I can buy on fleabay is 12mm > > > > > > http://www.zappautomation.co.uk/en/miniature-ballscrews-6-12mm-diame > > > ter/ 38-r0801-ballscrew.html > > > > > > Or maybe look at the vendors on Aliexpress? > > > http://www.aliexpress.com/store/group/ball-screw/609097_211302591.ht > > > ml as an example. > > > > > > I used an 8mm on my lathe/mill and despite my concerns it has been > > > entirely adequate. > > > http://www.cnczone.com/forums/mini_lathe/63621-mini_lathe_cross_slid > > > e_ba llscrew_solutions-2.html#post509784 > > > > Figuratively speaking Andy, you had a lot more real estate to play > > with than I did in my 7x12. > > > > But my real question is where the heck did you buy those screws? > > > > Thanks. > > > > Cheers, Gene > > Gene, > > Hie thee to this divine web site, and look under Lead Screws, then PS > style lead screws and PS style nuts. I've got one of these on my Z > axis on my CNC saw beveler. The screws are some kind of modified acme, > teflon coated. They're anti-backlash PS style nut is pretty much > indestructible, and thankfully for me, idiot proof. > > http://www.pic-design.com/ > > Mark
Looks neat although the spec'd accuracy is .003" at best. I grabbed the whole catalog.pdf for perusal when I am ready. I think some back repairs will happen first however. I like the idiot proof comment, cuz I'm the idiot that will test it. :) 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. Nothing is more admirable than the fortitude with which millionaires tolerate the disadvantages of their wealth. -- Nero Wolfe A pen in the hand of this president is far more dangerous than 200 million guns in the hands of law-abiding citizens. ------------------------------------------------------------------------------ CenturyLink Cloud: The Leader in Enterprise Cloud Services. Learn Why More Businesses Are Choosing CenturyLink Cloud For Critical Workloads, Development Environments & Everything In Between. Get a Quote or Start a Free Trial Today. http://pubads.g.doubleclick.net/gampad/clk?id=119420431&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
