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Understanding the GUM Methodology: Applications to Point Clouds in Coordinate Metrology
Mark Boucher Mark Boucher

Understanding the GUM Methodology: Applications to Point Clouds in Coordinate Metrology

In the field of coordinate metrology, where precision is paramount, the accurate assessment of measurement uncertainty is essential for ensuring reliable results. The Guide to the Expression of Uncertainty in Measurement (GUM) provides a standardized framework for evaluating and expressing this uncertainty. Developed collaboratively by international metrology organizations, GUM has become the cornerstone for uncertainty analysis across various measurement disciplines, including those involving coordinate measuring machines (CMMs) and 3D scanning technologies.

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Measuring Force of Scanning Probes of Coordinate Machines
Mark Boucher Mark Boucher

Measuring Force of Scanning Probes of Coordinate Machines

Coordinate measurement technology is a cornerstone in industries like automotive, aviation, and precision manufacturing. The authors note: “The number of coordinate measuring machines (CMM) operating in measurement laboratories and production halls is constantly growing.

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Education, Metrology and Manufacturing in Sync
Mark Boucher Mark Boucher

Education, Metrology and Manufacturing in Sync

Vincennes University, Vincennes, IN, a flagship HTEC (Haas Technology Education Center) and Flying S Inc, Palestine, IL, are an example of education working in lockstep with a real-world industry partner.

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Kaizen Explained in Detail
Mark Boucher Mark Boucher

Kaizen Explained in Detail

Kaizen (改善) = Kai (change) + Zen (good) → Change for the better
or more commonly translated as Continual Improvement.

It is both a philosophy and a practical method.

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Degrees of Freedom Checklist
Alignment, Degrees of Freedom Mark Boucher Alignment, Degrees of Freedom Mark Boucher

Degrees of Freedom Checklist

In the world of Coordinate Measuring Machine (CMM) programming, accuracy begins long before a probe touches a part. The foundation of every precise measurement is fixturing. To measure a part accurately and repeatably, a programmer must first understand how to physically and mathematically "lock" that part in space. This process is known as constraining its Degrees of Freedom (DOF).

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