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13th November 2014

ISO Releases New Technical Report on example calculations of micropitting load capacity of cylindric

      ISO/TC 60 Working Group 15, responsible for the development of documents related to the determination of micropitting risk, has just published ISO/TR 15144-2:2014 “Calculation of micropitting load capacity of cylindrical spur and helical gears - Part 2: Examples of calculation for micropitting”.

      This Technical Report provides worked examples for the application of the calculation procedures defined in ISO/TR 15144-1. The example calculations cover the application to spur and helical cylindrical involute gears for both high-speed and low-speed operating conditions, determining the micropitting safety factor for each gear pair. The calculation procedures used are consistent with those presented in ISO/TR 15144-1.

      As the US TAG to this Working Group, members of the AGMA Helical Gear Rating Committee contributed actively to the development of this new document.

      The new technical report is available for purchase, in electronic format, on this website, click on the “STANDARDS” button.

      To find out how you can get involved with any of the AGMA committees which actively serve the industry, contact Headquarters at for details.

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