ISO 14635-1:2000

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

Publication date: Jun 8, 2000

General information

Current stage: 90.92 Effective date: Nov 17, 2022

Originator: ISO

Owner: ISO/TC 60/SC 2

Type: International Standard

ICS: 21.200

Languages: English French

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Status: Published

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Scope

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.
NOTE This method is technically equivalent to ASTM D 5182-97, DIN 51354-1 and DIN 51354-2, IP 334/90 and
CEC L-07-A-95.

Life cycle

NOW

PUBLISHED
ISO 14635-1:2000
90.92 Standard to be revised
Nov 17, 2022

REVISED BY

IN_DEVELOPMENT
ISO/AWI 14635-1

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