Tag: unrelated actual mating envelope

Related vs Unrelated Envelopes

by Crystal Bemis on January 13, 2025.

In this Question Line video, Jason explains the difference between the related and unrelated actual mating envelope and walks through an example drawing to explain when and how they are used to inspect a feature.

ISO vs ASME Position Tolerance

by Crystal Bemis on August 3, 2023.

In this Question Line Video, Jason reviews a drawing example and compares the ASME and ISO standards for controlling a hole with position tolerance.

Common GD&T Student Questions: Perpendicular Datums from Imperfect Features

by Crystal Bemis on April 6, 2023.

In this video, Jason explains how perpendicular datums can be derived from imperfect datum features.