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About This Item

 

Full Description

This part of ISO/TR 13989 specifies methods and formulae for evaluating the risk of scuffing, based on Blok's contact temperature concept.

The fundamental concept according to Blok is applicable to all machine elements with moving contact zones. The flash temperature formulae are valid for a band-shaped or approximately band-shaped Hertzian contact zone and working conditions characterized by sufficiently high Péclet numbers.

 

Document History

  1. ISO/TS 6336-20:2022


    Calculation of load capacity of spur and helical gears - Part 20: Calculation of scuffing load capacity - Flash temperature method

    • Most Recent
  2. ISO/TS 6336-20:2017


    Calculation of load capacity of spur and helical gears - Part 20: Calculation of scuffing load capacity (also applicable to bevel and hypoid gears) - Flash temperature method

    • Historical Version
  3. ISO/TR 13989-1:2000

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    Calculation of scuffing load capacity of cylindrical, bevel and hypoid gears - Part 1: Flash temperature method

    • Historical Version