GD&T Articles

by Crystal Bemis on August 5, 2020.

How do you create a quality design, but at the same time, keep cost and ease of production in mind? In this article we will examine three key areas in designing for manufacturability and give you several tips to get started. What is “Design for Manufacturability?” “Design for manufacturability” is also known as “design for…

by Seth Elder on July 24, 2020.

ASME Y14.5 is an established, widely used GD&T standard containing all the necessary information for a comprehensive GD&T system. This article provides an in-depth look at of the contents, history, and purpose of the standard. GD&T and Standardization Geometric Dimensioning and Tolerancing, or GD&T for short, is a language of symbols used to communicate information…

by Brandon John on July 22, 2020.

We would like to shed light on an interesting discussion stemming from a question asked in our Engineering Drawing Basics Course. A student shared their viewpoint about the correct use of centerlines in engineering drawings, which was a bit conservative as they were missing a key application of this essential drawing feature. Since questions about…

by Brandon John on July 10, 2020.

In this question line video, Brandon outlines the pitfalls of Chain Dimensioning and explains how Baseline Dimensioning (or GD&T) can eliminate potentially unwanted tolerance stack. Chain Dimensioning is when dimensions are drawn from one feature to a second feature, then a third feature is located relative to the second feature. The chain can continue with…

by GD&T Guy on June 11, 2020.

In this question line video – Tom discusses how to understand a curved profile surface as a datum for 4 holes that are required to remain normal to the irregular surface. How do we do this with profile and position and what do we use as the datums? We talk about a lot of very…

by GD&T Guy on June 10, 2020.

Does Runout or Size Control the Circularity/Form Error in GD&T? (Answer: It Depends) This is one of our new entries in our GD&T Video Question Line – where we take our student questions from our Engineering Drawing Basics, GD&T Fundamentals, or GD&T Advanced Course (https://www.gdandtbasics.com/gdt-training) and give a detailed response. This question aims to answer…