My lab does a lot of fixed limit gage calibration and I sometimes wonder how the folks who deal with it on a day-to-day basis cope with it all.

There’s an old rule of thumb among suppliers of precision gages that tighter tolerances mean higher prices. This is understandable considering the extra effort involved working within such boundaries. But not all gage users understand this.

It is perfectly natural that machinists should have an affinity for mechanical gages. To a machinist, the working of a mechanical gage is both straightforward and pleasing.

Digital radiographic inspection systems have long since become common in many industrial fields.