Fundamentals of GD&T

Rule #1 Limits of Size Prescribe Variations of Form Rule #1 states that for an individual regular feature of size, where only a tolerance of

Cylindricity essentially controls the outside shape and form of the part similarly to how Rule 1 does, except that it is used to FURTHER

rules for tambola GD&T Diagram Discussion of Rule #1 What is virtual condition and verification principles Advantages and use cases for GD&T References Introduction • Geometric

rule 1 of gd&t ISO continues to change to align with modern functional issues and inspection techniques From ISO 14405-1:2010 • New Fundamental Rule in ASME •