That is GREAT!!! I use my mill for less than 3 hours a week, So they're going to last me for many many years to come!
When are you coming out with something for the lathe? Heheheh....
--- In SherlineCNC@yahoogroups.com, "timgoldstein" <timg@...> wrote:
> --- In SherlineCNC@yahoogroups.com, "wongsterwish" <wongsterwish@> wrote:
> > Glad to hear of your report. I used a metric DI and I measured 0 in the 2 decimal places indicator. I'm pleased with the upgrade though I was told that backlash will increase when the nut started wearing. No problem, I'll change the nut when that happened.
> Dear Wong,
> You will not need to worry about replacing the Kerk nut anytime soon. Kerk's guidance on the nut life when run on the Kerkote (Teflon) coated screws that we use is over 5,000,000 inches of travel. Doing some quick calculations and assuming 30 ipm travel (762 mm/min) that would be having the X axis traveling it entire stroke non-stop 7x24 for almost 1/2 a year.
> Translated into slightly more realistic terms and assuming full stroke usage 2 hrs a day that would be on the order of 5 years of daily use.
> So for most of us this means it will never wear out.
> Tim Goldstein
> A2Z Corp
> A2Z CNC division
> 3955 S Mariposa St
> Englewood CO 80110
> 720 833-9300
> Toll Free 877 754-7465
> USA made accessories for desktop mills & lathes.
> Specialized No Mar tools for the jewelry industry.