George Schuetz Director of Precision Gages
Pushing Air Gaging Limits
Air gaging allows you to measure many jobs faster, more conveniently and more accurately than other gaging methods.
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The Long And Short On Depth Gages
Depth gages are among the simplest of indicator gages, typically consisting of a short-range indicating device mounted through a reference bar or plate. Though they may be simple, depth gages are used in thousands of critical applications.
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Getting The Right Rz
As the manufacturing of parts continues to become internationalized, it is not uncommon for different standards developed in various countries to become blended into new international standards. Once new international standards become available, the world is expected to embrace them and begin using them. However, this may not always be the case.
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Calibrating Threaded Plug Gages
Just like gage blocks provide the basis for dimensional measurement, threaded plug gages are the fundamental tools used to verify that an internal thread is correct. Different types of threads serve different purposes, so there are many different threaded plug gages. As with any reference standard, these threaded plug gages need to be inspected to ensure that they are within their original specification.
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The Essentials Of Gage Calibration
Establishing and maintaining a regular program of gage calibration is necessary not only to maintain quality, but also for customer requirements.
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The Case Of The Sticking Test Indicator
There are few worse feelings for a manufacturer than having a product returned because the customer determines it is defective. Not to say that things are always perfect, but the vast majority of manufactured products meet their design requirements. So when a large number of the same product is returned by one user, it tends to raise eyebrows.
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Production Part Staging For Surface Finish
In designing gages to make dimensional measurements in a production environment, speed and high precision are the names of the game. Thus accounts for the popularity of instruments such as snap gages for ODs and air plugs for IDs. They are designed to measure a single size, require virtually no operator involvement and provide precise results in some of the toughest conditions.
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Approximating Geometry Measurement
We have all run across cases in which matching parts that measure “okay” don’t seem to quite fit together. This often happens with ID and OD parts that tend to have very tight clearances, typically within a few 0.0001 inch.
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Getting The Most From Your Classics
If you are thinking of ways to economize these days, you may want to consider coaxing more performance out of your existing gages. Many of the gages being built today are refinements of gages built 50 years ago. They may have originally been designed for use with a 0.0001-inch indicator, but over the years it
Read MoreData Collection Goes Wireless
About 25 years ago, the concept of data collection for process control took a major leap forward. This was about the time that a combination of electronic technology and economics allowed gaging to became digital. With a digital signal available, transferring information via cable directly from a gage or digital in
Read MoreLevers And Gears: Anatomy Of A Dial Indicator
Dial indicators are highly sensitive instruments.
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Measuring Taper For Toolholders And Spindle Applications
Companies concerned about strict quality requirements regularly check toolholder tapers for wear or inaccuracy because these conditions can jeopardize the results of a critical operation. However, a shop can check tapers quickly and reliably with air gages. These devices can be used effectively without special operator training. For measuring taper in a production environment, few other methods can match the speed and performance of air, as multiple-circuit air jets can be placed in very small taper gages.
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