On Mon, 2012-08-27 at 12:53 -0400, Kenneth Lerman wrote: > On 8/27/2012 12:03 PM, Kirk Wallace wrote: > > On Mon, 2012-08-27 at 08:48 -0500, Martin Dobbins wrote: > >> I'm not sure if this would work for you, I haven't tried it myself, but it > >> may be worth a look: > >> > >> http://bbs.homeshopmachinist.net/threads/43645-Making-Acetal-leadscrew-nuts-the-easy-way > >> > >> Martin > > I tend to prefer a more traditional method. Machine a pair of plastic or > > metal nuts and create a mount that allows for a preload similar to > > double nut ballscrews. Or better, I'd like to find a way to make DIY > > ballscrews. Maybe using a DIY centerless grinder (roller?) on a lathe > > carriage? > > > > This might be another DIY solution: > > http://en.wikipedia.org/wiki/Roller_screw > > > > > An acme screw with a (home made substitute) moglice lined nut should > approach the low friction and low backlash of a ballscrew. > > I previously posted a note on DIY "moglice". > > Regards, > > Ken
For a little while. Double nuts would allow for wear adjustment. I also wonder how much backlash on these lead screw formed nuts is masked by binding in the peaks and valleys of the thread. I don't recall the gist of this thread, but if it relates to deficiencies in the performance of a machine, I would bring the machine back to a factory fresh condition before trying to apply back woods solutions to a worn out machine. Or, I may be way off base. -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/index.html California, USA ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
