GB/T 19936.3-2025 Active National standards

GB/T 19936.3-2025 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

Publish Date: 2025-12-02 Implement Date: 2025-12-02 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 19936.3-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Gears and gear transmissions

ICS Name: Gears and gear transmissions

Publish Date: 2025-12-02

Implement Date: 2025-12-02

Pages: 24 pages

Scope

This document describes a testing method based on the FZG power flow closed-loop test machine, which determines the relative bearing capacity of semi-fluid gear lubricants by identifying surface adhesive damage on gears.
This document is applicable to evaluating the potential adhesive bearing capacity of NLGI Grade 0 to Grade 000 semi-fluid gear lubricants for gears, typically used in high-stress gear mechanisms of closed-loop gear transmissions. This method is limited to lubricants that are fully filled in the test gearbox of the FZG test machine.
Note: This method is technically equivalent to DIN Fachbericht 74.