GDT stands for Geometric Dimensioning & Tolerancing. Suggest new definition. This definition appears somewhat frequently and is found in the following Acronym Finder categories: Science, medicine, engineering, etc. See other definitions of GDT.What is geometric tolerancing?
Geometric Tolerancing Geometric Tolerancing is the art of applying GD&T. Geometric Tolerancing differs from GD&T which is a mechanical engineering language, GD&T, or Geometric Dimensioning and Tolerancing, represents a way to define the size, location, orientation, and form of a part feature. Geometric tolerancing is governed by two standards.Does GD&T require a diameter symbol?
In that Example Diameter Symbol is require because that hole has circular shape for to control that size of hole we should required to put Diameter Symbol in this GD&T. Manoj, You are wrong for this example. Yes, a diameter symbol is required if you are calling out the size of a round hole but the size of the hole is not a part of this example.What is flatness GDT?
Description: GD&T Flatness is very straight forward. It is a common symbol that references how flat a surface is regardless of any other datum’s or features. It comes in useful if a feature is to be defined on a drawing that needs to be uniformly flat without tightening any other dimensions on the drawing.