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Measurement

For Good Measure

12/01/1995
Author:
Michael Smith
Software-based video tool inspection systems can read tool geometries much more precisely than other measurement systems. This article looks at the technology behind these systems and explains how this technology detects and measures tool edges and angles.
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Measuring with Moire

02/01/1996
Author:
Kevin Harding
Casting a pattern of light on a part and viewing that pattern at a different angle through a grating with the same pattern creates a moire pattern that can reveal small changes in the part's shape. This article tells how this phenomenon can be used by machine vision systems to measure part dimensions or pinpoint variations from a specified contour.
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CMM Made Easy

12/01/1998
Author:
Keith Mills
Next-generation CMM software offers users a simple interface, the ability to program the machine directly from CAD data files and the opportunity to write programs off-line. This article describes the latest advancements in CMM software and shows how older machines can be retrofitted to take advantage of the software's features.
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Tolerances Feel the Heat

04/01/1999
Author:
Paul Sagar
With close-tolerance machining, variances in the temperature of the part or gage can lead to out-of-tolerance work. This article describes the compensation systems that have been developed to measure temperatures and make the necessary adjustments to gage readings.
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50 years of measuring technology and machine tool history

From a one-man engineering office to a technology and global market leader in just 50 years - a rare occurrence even in south-west Germany with all its "hidden champions." Blum-Novotest GmbH has achieved this not only through hard work but by being innovative, intelligent and diligent. To mark this event, the company held the BLUM TECH-TALK under the title "50 years of Innovation" in a special setting on 7 June 2018: Numerous guests from more than 20 countries heard keynote speeches from leading experts, saw interesting demonstrations in the BLUM Tech-Centre and witnessed the unveiling of a product that combines the experience gained from over 50 years in this field.