Inspection & Measuring Equipment

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Published: 2/5/2002

Semi-Automatics—The In-Between Gages
The faucet has been opened a little, and you've just received a long-awaited contract to produce 10,000 large trunnion caps for a manufacturer of earth moving equipment. Despite the joy, you realize that you have a problem: The machines will be in ...

Published: 1/5/2002

The 'Issues' With Height Gages
Don't tell anyone, but there is something of a problem with height gages. The big issue that they have is what they measure: height.

Published: 12/1/2001

The Real Dirt About Gaging
I'm not sure that any of us in the metrology business are very close to godliness, but I do know that cleanliness is the first step to approaching accuracy in gaging. Probably every machinist is at least nominally aware that dirt can interfere with...

Published: 11/1/2001

Fixtures Are A Common Source Of Gaging Error
As a gaging engineer, my concept of a gage includes both the measuring instrument and its fixture. Assuming you are dealing with a reputable supplier, and your instrument was engineered to do its job as intended, there is probably little you can do...

Published: 10/1/2001

Choice Of Bore Gage Depends On The Application
Indicating bore gages come in two basic varieties: adjustable-capacity gages with interchangeable contacts or extensions and fixed-size gages with plug-type bodies. While indicating plug gages can measure closer tolerances with higher repeatability...

Published: 9/3/2001

You Won't Err With Air
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.

Published: 8/1/2001

Holes Big Enough To Fall Into
Maybe you’re not in Texas, but suddenly you find yourself faced with a huge measurement requirement. You’ve been given the task of checking some large diameters—not your 6 inch variety—I mean those large enough to drive a herd of cows through.

Published: 7/1/2001

To Help You Select The Right Gage And Master, Let's Play 20 Questions
You will soon be going into production with a new component. There are six or eight ways you could measure the part and dozens of products that might do the job.

Published: 6/1/2001

Coming To Terms With Accuracy
A question I am frequently asked is, "How accurate is that gage?" I am usually tempted to say something like, "Super accurate" or "So accurate you wouldn't believe it!" But I don't. Instead, I take a deep breath and give my questioner a couple para...

Published: 5/17/2001

Where's The Fault? SWIPE To Find Out
Nobody likes to be the bearer of bad tidings. This goes back to the dawn of recorded history, when a tribal leader might easily decide to kill the messenger if the news was not to his liking.

Marposs - Metrology equipment for improving productivity and reducing cost in manufacturing.