Threads on a ball screw........

I have converted my minimill to ball screws but was having problems with
shaft collars shifting causing backlash. The solution was to fit a nut
to lock the collar in place. I had trouble with both my lathe and the
hard material in turning the thread and spoiled the thread. The
solution was to turn down the shaft in that area. Drill out and cut off
a bolt to form a threaded sleeve. The sleeve is attached with sleeve
retaining goop. Assuming the goop holds the sleeve this is a simple
way to put threads on the ball screw and I plan on using the method in
the future since it was quick and simple. I thought this might be of
use to someone in the group.

Jack