Tag: concentricity

Coaxiality vs. Concentricity vs. Position

by Crystal Bemis on October 7, 2024.

In this Question Line video, Jason compares coaxiality, concentricity, and position as defined by the ISO 1101 standard. The ASME Y14.5 interpretation of concentricity and coaxiality is very different from ISO and is not presented in this video.

Using Runout to Measure Concentricity

by Seth Elder on October 29, 2020.

The video below is in response to a question that we received on our question line from Jeff.   Jeff asked us if concentricity is always equal to half of the runout value.  ASME Y14.5 defines...

Concentricity

by GD&T Basics on December 15, 2014.

Concentricity, is a tolerance that controls the central derived median points of the referenced feature, to a datum axis. Concentricity is a very complex feature because it relies on measurements from derived median points as opposed to a surface or feature’s axis.