Articles by Hill Cox

Decisions, Decisions…

A COUPLE OF VERY IMPORTANT DECISIONS SHOULD NOT BE LEFT TO CHANCE.

Regular readers of my rants on these pages will know that since I’m a pretty simple guy, it doesn’t take much to get me excited or amazed.


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Phantom Setting Plugs

These plugs are drifting around inspection departments all over

Calibrating adjustable thread ring gages can get a bit sticky on occasion due to customer assumptions versus the requirements of ISO 17025.


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Other Dimensions

Auditors Guide to Calibration Reports

A document without data is not much of a report

I regularly take shots at quality auditors for some of their antics but thought that, in the interest of fairness, it was time to turn my sights on issuers of calibration reports for some of their antics.


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Other Dimensions

Pursuing Pitch Diameter

Learn More About Thread Metrology.

Most threaded products such as fasteners are verified using fixed limit gages when their ability to assemble with mating parts is of primary concern.


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Other Dimensions

A Master

What Do You Expect Your Master To Do For You?

Nothing makes life easier than having a ‘master’ for the dimension(s) you have to measure. But a simple request for one with a dimension attached to it, for example, is not enough information to get something that will do what you want it to.


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Calibration Cycles

Calibration frequency will vary with the application

A lot of people play fast and loose with the frequency of calibration on their gages, masters and instruments.


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Other Dimensions

Another Look at Gage Block Calibration

The two-part series on gage block calibration continues.
The long awaited moment has arrived. Your blocks are back from the lab complete with a calibration report outlining the measured size of each piece in the set. Now what?
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Other Dimensions

Gage Block Calibration

Consider these steps before going through the process.

Gage blocks are the most used physical representation of length available to companies requiring the highest order of precision for their work.


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Practical Checks on Measurements

Is there a way to improve calibration—without ramping up costs?
Many companies have their equipment calibrated on a regular basis and believe all will be well until they are calibrated again.
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Identify or Qualify?

Everything doesn’t need to be calibrated

In metrology we have similar benign bits of hardware that can create havoc if misapplied, but in the grand scheme of things rarely are.


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Multimedia

Videos

Podcasts

Charles J. Hellier has been active in the technology of nondestructive testing and related quality and inspection fields since 1957. Here he talks with Quality's managing editor, Michelle Bangert, about the importance of training.
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Quality Magazine

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2014 October

Check out the October 2014 edition of Quality Magazine for features!

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The Skills Gap

What is the key to solving the so-called skills gap in the quality industry?
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