What is GD&T, anyway? The Greatest Design Tool ever, or a whole bunch of Gol-Derned Trouble?

All this talk about work in past columns—and the end of summer looming—makes me think about golf. You may not discuss golf and measurement in the same breath, but there are a lot of critical measurements involved in golf.

In last month’s column, I talked about the accuracy funnel, which shows that in a me

In last month’s column, I talked about the format of accuracy specifications for vid

The past few columns about inspection and measurement have led to discussion of different systems for measuring based on images.

A metrologist wants to know that any variations in measurements are the result of variations of the parts being measured, not variations in the measuring dev

The speed, convenience and cost benefits of microliter volume, air displacement pipettes drive the frequent us

Last month, I talked about vision vs. video and brought up the possibility of confusion between inspection and measurement.

Using the eye is visual. The use of magnified imaging by eye or with a camera is a common part of manufacturing. Some of that use is for inspection.