International Standard
ISO 14635-3:2023
Gears — FZG test procedures — Part 3: FZG test method A/2,8/50 for relative scuffing load-carrying capacity and wear characteristics of semifluid gear greases
Reference number
ISO 14635-3:2023
Edition 2
2023-07
© ISO 2024
International Standard
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Published (Edition 2, 2023)

ISO 14635-3:2023

Format
Language
CHF 129
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Abstract

This document specifies a test method based on a FZG four-square test machine for determining the relative load-carrying capacity of semi-fluid gear greases defined by the gear surface damage known as scuffing.

This method is useful for evaluating the scuffing load capacity potential of semi-fluid gear greases of NLGI classes 0 to 000, typically used with highly stressed gearing for enclosed gear drives. It can only be applied to greases giving a sufficient lubricant flow in the test gear box of the FZG test machine.

NOTE            The test method is technically equivalent to DIN Fachbericht 74.

General information

  • Status
     : Published
    Publication date
     : 2023-07
    Stage
    : International Standard published [60.60]
  • Edition
     : 2
    Number of pages
     : 20
  • Technical Committee :
    ISO/TC 60/SC 2
    ICS :
    21.200 
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