GB/T 4781-1984
Replaced
GB/T 37208-2018
Active
National standards
GB/T 37208-2018 Nonmetallic paper based wet type frictional materials
GB/T 37208-2018 Nonmetallic paper based wet type frictional materials
Basic Information
Standard Code:
GB/T 37208-2018
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other non-metallic mineral products
ICS Name:
Transmission device, suspension device
Publish Date:
2018-12-28
Implement Date:
2019-11-01
Pages:
14 pages
Scope
This standard specifies the classification, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of non-metallic paper-based wet friction materials (hereinafter referred to as "friction materials").
This standard applies to friction materials used in friction elements of wet friction systems such as motorcycles, agricultural machinery, industrial machinery, and automotive wet automatic transmissions.
Development Information
Referenced Standards
GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 35472.2-2017 Test method for friction element of wet automatic transmission—Part 2:SZBL type friction test machine guidelines
GB/T 35472.3-2017 Test method for friction element of wet automatic transmission—Part 3:Low-speed stepped power test method
GB/T 35472.4-2017 Test method for friction element of wet automatic transmission—Part 4:High-speed stepped power test method
GB/T 35472.5-2017 Test method for friction element of wet automatic transmission—Part 5:Durability test method
GB/T 35472.6-2017 Test method for friction element of wet automatic transmission—Part 6:μ-PVT test method
Related Standards
GB/T 9769-1988
Replaced
GB/T 9769-1988 Rim contour inspection
GB/T 13051-1991
Abolished
GB/T 13051-1991 Motor vehicles—Connections for PTO
GB/T 13061-1991
Replaced
GB/T 13061-1991 Air spring for automotive suspension—Rubber bellows
GB/T 13405-1992
Replaced
GB/T 13405-1992 Grooved pulleys for automotive V-belt
GB/T 13604-1992
Abolished