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MEASUREMENT

Forty Years of Portable Arm Measurement

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Forty Years of Portable Arm Measurement

In advanced manufacturing settings, portable arms have become a familiar sight, both in inspection areas and shop-floor environments. Their versatility and usefulness have also resulted in their use spreading to a wide variety of settings beyond manufacturing, from clinical measurement in hospitals, to data-archiving of antiquities in museums.

With the passage of 40 years, the range of available arms has proliferated, and specialist arms have developed to improve their suitability for specific applications. Whilst non-contact laser scanning, diverse probing options, wireless connectivity, absolute encoders, and endless software enhancements have transformed the usability of portable arms, their ‘genetic code’ remains remarkably close to that of their early ancestors from the 1980s. Read more.

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The Rise of the Scanners

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The Rise of the Scanners

Across all fields of metrology, there has been a marked increase in the use of non-contact measuring systems. While contact probing systems are often regarded as the gold standard in terms of accuracy, non-contact systems offer many advantages. Simple and rapid collection of vast datasets are obviously well suited to measuring complex freeform surfaces but can also be helpful with unknown or variable items, or when geometric tolerances need to be evaluated. Read more.

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