JB/T 7909-2011 English PDF

US$239.00 · In stock
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JB/T 7909-2011: Bench test method for frictional characteristics of sintered metal friction material run in lubricants
Status: Valid

JB/T 7909: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 7909-2011	239	Add to Cart	3 days	Bench test method for frictional characteristics of sintered metal friction material run in lubricants	Valid
JB/T 7909-1999	399	Add to Cart	3 days	Bench test method for frictional characteristics of sintered metal friction materials run in lubricants	Obsolete
JB/T 7909-1995	RFQ	ASK	3 days	(Chinese Industry Standard)	Obsolete

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Basic data

Standard ID: JB/T 7909-2011 (JB/T7909-2011)
Description (Translated English): Bench test method for frictional characteristics of sintered metal friction material run in lubricants
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: H72
Classification of International Standard: 77.160
Word Count Estimation: 9,975
Date of Issue: 2011-12-20
Date of Implementation: 2012-04-01
Older Standard (superseded by this standard): JB/T 7909-1999
Quoted Standard: GB/T 3141-1994
Regulation (derived from): ?MIIT Announcement 2011 No.43; Industry Standard Filing Announcement 2012 No.2 (Total No.146)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the determination of wet sintered metal friction material performance test rig test methods terminology and definitions, test equipment, test piece, determination and calculation of the coefficient of friction, energy measurement and calculation of allowable loads and test report values. This standard applies to the determination of wet sintered metal test piece dynamic coefficient of friction under lubricated conditions, static coefficient of friction, wear rate and energy load allowable value. Determination of non-metallic friction material wet performance can also refer to this standard.

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