After securing a ball nut of the proper pitch and diameter, [Andy] looked for ways to shorten it without ruining it. ... 1204 ball screws are indeed the most cost effective.

Steinmeyer ball screw speeds range from 4,500 rpm for 3-mm balls to about 1,050 rpm for 125-mm balls. Driving Speed The driving speed (DN) is a simplified way of determining the ball screw’s top ...