Inspection & Metrology Equipment

Fundamentals of bore gages and choosing the best one for the job.

Tool monitoring saves money by preventing tool breakage and reducing scrap.

A 10-question quiz tests the reader's knowledge of gage usage and maintenance. The answers, which are provided, help correct common misperceptions about gages and gaging.

When digital calipers that did not have to be zeroed before each measurement were introduced, they represented a significant advancement in electronic gaging. This article explains the technology behind these absolute-reading instruments and how they are used to make typical shop-floor measurements.