Tolerance Stack up

Tolerance Stack up

1. Oveview: History of tolerance stack up, benefits, limitations of +/- tolerances, cost saving, functional dimensioning sheme, uniform practices etc.

2. Rule of thumb: Fundamental rules, loop formation, lettering, Origin, Stack direction,

3. Methods: Root sum squares and Worst case

4. Part: Tolerance stack between features of part

5. Assembly: Tolerances stack between parts

6. RSS Vs WC: Comparison, Application, Guidelines

7. Floats: Tolerance stack for floating applications

8. GD&T: Tolerance stack using GD&T

9. Applications: Tolerance stack application, modifiers applications, tolerance calculations

10. Miscellaneous: Introduction to 3D tolerance stack, softwares, benefits and applications