Skip to main content
We're exhibiting at IMTS 2026 — Booth #134034, Sept 14–19. Come see us in Chicago.

Tag: Datum Reference Frame

Sample Drawing Review

Sample Drawing Review

by Crystal Bemis on August 10, 2026.

In this Question Line video, Jason reveals the GD&T errors hidden throughout the print while sharing his drawing review process for ensuring technical accuracy.

Positional Control of X, Y, and Z

by Crystal Bemis on December 2, 2024.

In this Question Line video, Jason discusses the positional control of the X, Y, and Z translations for a cylindrical post on the submitted drawing. He defines the datum reference frame and zero point of the part and explains why the feature control frame in question is essential to constraining where the cylinder exists vertically.

How to Find Zero

by Crystal Bemis on October 21, 2024.

In this Question Line video, Jason shows how to fine the zero, or origin, for a given feature control frame.

Datums for Castings

by Crystal Bemis on September 9, 2024.

In this Question Line video, Jason discusses how datum targets, datum reference frames, and multiple datum structures can be of assistance in casting drawings.