In this question line video, Brandon discusses Virtual Condition and whether it can apply at Regardless of Feature Size (RFS). What is Virtual Condition (VC)? When a feature is controlled with the Maximum Material Condition (MMC) modifier or Least Material Condition Modifier (LMC), a size boundary is created based on the collection of geometric and…
GD&T Articles
by Seth Elder on April 27, 2021.
In this video, we respond to a question asking how using GD&T can affect internal or vendor-provided manufacturing and inspection processes. It is important to remember that the goal of GD&T is to better communicate the functional requirements of the part. Functional requirements are often related to how a part is assembled to other parts,…
by GD&T Basics on April 12, 2021.
What is the difference between unilateral and bilateral tolerance in a profile of a surface callout? In this post, Brandon explains the difference and gives examples of how they are used. Profile of a Surface When applying a 3-Dimensional tolerance zone around a surface, usually a curved shape but could be any, the Profile of…
by GD&T Basics on April 6, 2021.
This video is in response to a question that we received on our question line from Amar. Amar’s question is as follows: “If we are given a BASIC radius of 10mm, and on the radius, we are applying a Profile of a Line Tolerance of 0.6mm, what will be the max & min size of…
by GD&T Basics on March 30, 2021.
Orthographic views allow us to represent a 3D object in 2D on a drawing. Orthographic views can show us an object viewed from each direction. How the views are laid out on a drawing depends on whether 3rd angle or 1st angle projection is being used. You can tell which angle projection is used by the symbol…