You have choices, make the right choice


From Confusion to Clarity: Two Decision Rules to Rule Them All
Mark Boucher Mark Boucher

From Confusion to Clarity: Two Decision Rules to Rule Them All

Calibration laboratories must increasingly utilize clear, defensible decision rules to state conformity, as required by ISO/IEC 17025. Although this is required, many people remain confused about how to implement it in practice. There is little reason not to use these decision rules, as the math behind them is straightforward.

Read More
Making Sense of Gage R&R Analysis
Mark Boucher Mark Boucher

Making Sense of Gage R&R Analysis

The term Measurement Systems Analysis (MSA) refers to a collection of experimental and statistical methods designed to evaluate the error introduced by a measurement system, and the resulting usefulness of that system for a particular application. In manufacturing, measurement system quality directly affects decisions about processes, products, and a manufacturer’s ability to meet their customers’ requirements.

Read More
CMM Volumetric Compensation: A Comprehensive Guide to Calibration, Error Mapping, and Correction
Mark Boucher Mark Boucher

CMM Volumetric Compensation: A Comprehensive Guide to Calibration, Error Mapping, and Correction

Coordinate Measuring Machines (CMMs) are central to dimensional quality assurance. However, like all physical systems, they are subject to geometric inaccuracies introduced through mechanical wear, assembly tolerances, and environmental conditions. To maintain traceable, high-precision measurements, these machines undergo volumetric compensation—a process that quantifies and mathematically corrects spatial errors across the entire measuring volume.

Read More