Articles by Hill Cox

Other Dimensions: Single Source Calibration

October 2, 2008
I’m surprised at some of the ideas that drift down from the loftier realms of the corporate world in the endless quest to reduce costs. In many cases, the assumption is that a philosophy that appears to work in one area of a company’s operations can be applied to all areas.
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Other Dimensions: Some Don't Like It Hot

August 29, 2008
There are two approaches to take regarding temperature changes and the effects they have on measurement. The first is to control the shop or lab environment to such an extent that, whatever temperature variations remain, they will have no significant effect. The alternative is to control and correct the key items involved-the gages and the product being measured. The simplest method for most folks is to control and correct.
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Other Dimensions: Some Don't Like it Hot

July 31, 2008
When it comes to dimensional measurement, we have to take the environment-particularly temperature-into account.
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Other Dimensions: Hints for Quality Auditors

June 2, 2008
As a provider of calibration services, I frequently take shots at some quality auditors for the silly things they demand during audits.
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Other Dimensions: Certainties About Measurement Uncertainty

April 25, 2008
Measurement uncertainty is about how close your measurement is to reality. These days, “close enough for artillery” won’t cut it and neither will “a couple of tenths or so.”
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Other Dimensions: Buyer Beware

March 28, 2008
Many battles are waged over what someone buying equipment thought they would get compared to what is usually supplied by the industry.
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Other Dimensions: Making Your Mark

February 22, 2008
One of the essential elements in any quality program is identification of all the measuring instruments and gages that are part of it.
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Other Dimensions: Reinventing the Wheel

February 1, 2008
Many industry sectors are complaining about offshore competition and its effect on North American manufacturing. To avoid a “protectionist” label the complaints are directed to a concept called the “level playing field.” What this implies is that the offshore folks are cheating at the game somehow or not following the same set of rules that we in North America have to follow.
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Other Dimensions: Calibration Report Details

January 2, 2008
I also urged folks who use outside sources for their calibration to get a list of the elements that will be inspected and reported in order to make a proper comparison between competing facilities. Or ask for copies of reports a lab has issued for the types of items you’re thinking of sending them with the recipient’s name blocked out to maintain confidentiality.
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Other Dimensions: Cheap Calibration

November 21, 2007
I continue to be surprised when the subject of calibration costs comes up. Why? Because so many folks think they are getting a bargain when someone offers a calibration report for $10 when the rest of the industry charges somewhere around $35 for the same thing. Or is it the same thing?
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