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ISO 20120:2025

Lubricants - Determination of the coefficient of friction of synchronizer lubricated by manual transmission fluids (MTF) - High-frequency, linear-oscillation (SRV) test machine
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ISO 20120:2025

Lubricants - Determination of the coefficient of friction of synchronizer lubricated by manual transmission fluids (MTF) - High-frequency, linear-oscillation (SRV) test machine

PUBLISH DATE 2025
ISO 20120:2025

This document specifies a test method for determining the coefficient of friction and its evolution in mechanical transmission fluids tribologically interacting with materials used in synchronizers in manual transmission (MT) gears under high-frequency linear oscillation motion using the linear-oscillation (SRV) test machine. A flat areal contact geometry is applied.

SDO ISO: International Organization for Standardization
Document Number ISO 20120
Publication Date Jan. 1, 2025
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 28
Publish Date Document Id Type View
Jan. 1, 2025 ISO 20120:2025 Revision