Articles by George Schuetz

Quality 101: Make It Snappy

May 27, 2009
There are many ways to measure an outside diameter (OD), including scales, micrometers, calipers, coordinate measuring machines (CMMs), optical beams and vision systems. The choice depends on many factors including tolerance, run size, operator skill, part size and, of course, budget. An easy, fast, accurate and economical way of making such measurements is with an adjustable snap gage.
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Everything You Need to Know Before You Ask About Custom Gaging

October 23, 2008
There are many applications-aside from those where custom gaging is the only possible solution-where custom tailoring a gage for an application can speed things up, improve accuracy, incorporate multiple measurements, generate sophisticated analysis or otherwise add value to the process.
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Air Gaging Gets Better with Age

February 22, 2008
Air gaging was the breakthrough measuring technology of the 1940s and 1950s. Introduced decades before electronic gaging was widely accepted, it provided the first high performance-50 microinch or better-gaging on the shop floor. Today, air gaging is just as important and actually growing in popularity.
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Quality 101: Caliper Basics

July 31, 2007
Calipers are extremely versatile tools for making a wide range of distance measurements, including both outside diameters (OD) and inside diameters (ID). While micrometers are more accurate, they have a limited measurement range, typically several inches. Calipers can span from 2 inches to 4 feet, depending on the length of the scale. External measurements are made by closing the jaws over the piece to be measured, while internal measurements are made by opening up the inside diameter contacts. Depth and other measurements can be made with a depth rod built into the instrument’s beam.
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Quality Measurement: Ins&Outs of ID/OD Comparative Gaging

February 1, 2007
Circles are the most frequently produced machined form. Generated by many different processes-including turning, milling, centerless grinding, boring, reaming and drilling-there are, correspondingly, a wide variety of gaging methods used to measure inside and outside diameters. At the low end, a hole could be measured with a scale or a fixed go/no-go gage. At the other extreme, any number of precision measuring machines, including coordinate measuring machines (CMMs) and optical or vision machines are available. However, in production environments, most inside diameters and outside diameters (ID/ODs) can be accurately measured using one of several varieties of comparator gage.


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Quality 101: No Need to Scratch

May 1, 2006
With a variety of gages available for surface measurement, scratch pads are a method of the past for many manufacturers.
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 In honor of World Quality Month, we spoke to James Rooney, ASQ Past Chairman of the Board of Directors 2013, for his take on quality around the world.
For more information, read the ASQ Speaking of Quality column.
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