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Articles About calibration
The German National Metrology Institute has developed a novel calibration concept that allows for highly accurate calibration of product-like artifacts.
The American Society of Mechanical Engineers (ASME) announced at Gear Expo '95 that a national service for the calibration of involute artifacts is now available at the Department of Energy's Y-12 Plant in Oak Ridge, TN.
Our experts tackle the topic of measuring involute masters, including both master gears and gear inspection artifacts.
A trial test of the calibration procedures outlined in ISO 18653—Gears: Evaluation of Instruments for the Measurement of Individual Gears, shows that the results are reasonable, but a minor change to the uncertainty formula is recommended. Gear measuring machine calibration methods are reviewed. The benefits of using workpiece-like artifacts are discussed, and a procedure for implementing the standard in the workplace is presented. Problems with applying the standard to large gear measuring machines are considered and some recommendations offered.
The presence of significant errors in the two-flank roll test (a work gear rolled in tight mesh against a master gear) is well-known, but generally overlooked.
News Items About calibration
1 Gleason-M&M Calibration Lab Completes A2LA Assessment (April 9, 2010)
The Gleason-M&M Precision Systems' Calibration Lab has received accreditation to ISO/IEC 17025 following a successful recertifi... Read News
2 Trescal Acquires Instrument Calibration Services (April 21, 2014)
Trescal recently announced that it has acquired Instrument Calibration Services and Test Equipment Repair Corporation... Read News