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Articles About calibration
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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.
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.
A trial test of the calibration procedures outlined in ISO 18653â€”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.
This paper outlines the comparison of efficiencies for worm gearboxes with a center distance ranging from 28 - 150 mm that have single reduction from 5 to 100:1. Efficiencies are calculated using several standards (AGMA, ISO, DIN, BS) or by methods defined in other bibliographic references. It also deals with the measurement of torque and temperature on a test rig — required for the calibration of an analytical model to predict worm gearbox efficiency and temperature. And finally, there are examples of experimental activity (wear and friction measurements on a blockon- ring tribometer and the measurements of dynamic viscosity) regarding the effort of improving the efficiency for worm gear drivers by adding nanoparticles of fullerene shape to standard PEG lubricant
News Items About calibration
1 API Offers Robot Performance Measurement and Calibration Solution (November 23, 2018)
Laser measurement technology company, API, announces the launch of a Laser Tracker based industrial robot performance and calibration sol... Read News
2 Penta Gear Receives ISO17025 Accreditation for Technical Competence in Calibration (January 4, 2018)
In October, A2LA labs accredited Penta Gear Metrology ISO17025 for technical competence in the field of calibration. Penta Gear President... Read News
3 Ipsen Expands Service Offerings with Instrument Calibrations and Temp Uniformity Surveys (November 13, 2017)
Ipsen has expanded their offerings to include calibration and survey services that adhere to strict Nadcap requirements. As Ipsen continu... Read News
4 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
5 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