Wednesday, October 15, 2014

GD&T

GD&T 
  1. Geometric dimensioning and tolerancing (GD&T) is a system for defining and communicating engineering tolerances. It uses a symbolic language on engineering drawings and computer-generated three-dimensional solid models that explicitly describes nominal geometry and its allowable variation.


   These three pdf's below will give you more idea about the gd&t concepts and usage...