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Patrick Beauchemin, P.Eng. Ph.D. is president of VisionX (Pointe-Claire, Quebec, Canada) For more information, e-mail patrickb@visionxinc.com, call (514) 694-9290 or visit www.visionxinc.com.
Quality engineers have a number of different technologies and approaches available today, each having their own strengths, to perform the measurement and inspection required to meet tight part tolerances and increasingly more stringent QC requirements.
The introduction of the digital optical comparator has provided manufacturers across a wide range of industries with a number of benefits over traditional optical comparators for the inspection and measurement of manufactured parts directly on the shop floor.
Introduced in the 1940s, optical comparators are still being actively used to verify that manufactured parts are within tolerance, including those with complex geometries.