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ISO 14635-2:2023

Gears — FZG test procedures — Part 2: FZG step load test A10/16, 6R/120 for relative scuffing load-carrying capacity of high EP oils ISO 14635-2:2023

Publication date:   Jul 6, 2023

General information

60.60 Standard published   Jul 6, 2023

ISO

ISO/TC 60/SC 2 Gear capacity calculation

International Standard

21.200   Gears

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Scope

This document specifies a test method based on a FZG four-square test machine to determine the relative load-carrying capacity of high EP oils defined by the gear surface damage known as scuffing. This test method is useful for evaluating the scuffing load capacity potential of oils typically used with highly stressed cylindrical gearing found in many vehicle and stationary applications. It is not suitable for establishing the scuffing load capacity potential of oils used in highly loaded hypoid bevel gearing applications, for which purpose other methods are available in the industry.
NOTE            This method is technically equivalent to CEC L-84-02.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 14635-2:2004

NOW

PUBLISHED
ISO 14635-2:2023
60.60 Standard published
Jul 6, 2023