Active standard | Published: 01/03/2012

SAE J1646

Glossary of Terms - Lubricated Friction Systems

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: SAE J1646

Publication date: 01/03/2012

Pages: 0

Country: American technical standard

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Anotation

This SAE Recommended Practice defines the principal terms and equations pertaining to automotive automatic transmission clutch plate, band, or other wet-friction systems. The terms apply directly to friction-system testing as is typically conducted on inertia-stop test equipment. Some terms can be directly applied to the analysis of friction in the transmission or brake assembly and other friction-test equipment.

The glossary presents terms used to describe the set-up, testing, and results of tests as shown in Figure 1, which were taken on a clutch SAE No. 2 machine.

The glossary is intended to provide a collection of definitions in the hope of eliminating confusion in development and their application to passenger cars and trucks.

This document focuses on the terminology of friction-system testing. References for this type of testing are shown in Section 2.

SUBJECT TAXONOMY: Terminology, Parts, Automatic transmissions
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard

Stabilized: Mar 2012 SAE - Standards Status Definitions