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About This Item

 

Full Description

This part of ISO 14635 specifies a test method based on an FZG2) four-square test machine to determine the relative load-carrying capacity of lubricating oils defined by the gear-surface damage known as scuffing. High surface temperatures due to high surface pressures and sliding velocities can initiate the breakdown of the lubricant films. This test method can be used to assess such lubricant breakdown under defined conditions of temperature, high sliding velocity and stepwise increased load.

2) FZG = Forschungsstelle für Zahnräder und Getriebebau, Technische Universität München (Gear Research Centre, Technical University, Munich), Boltzmannstraße 15, D-85748 Garching, Germany.

 

Document History

  1. ISO 14635-1:2023


    Gears - FZG test procedures - Part 1: FZG test method A/8,3/90 for relative scuffing load-carrying capacity of oils

    • Most Recent
  2. ISO 14635-1:2000

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    Gears -- FZG test procedures -- Part 1: FZG test method A/8,3/90 for relative scuffing load-carrying capacity of oils

    • Historical Version