Often customers are a little surprised when they embark on the Geometric Dimensioning and Tolerancing (GD&T) phase of their design asking – “why must I design in such tight alignments, concentricity and squareness?” The answer is simple… so the ball screw will operate at its fullest efficiency and anticipated life!
There are three common methods to create a ball screw thread profile – rolling, whirling and precision grinding. But what’s the best one and what are some key differences between them? To answer that question one first has to understand the nature of the application. Continue reading