GB/T 1149.15-2017
ActiveInternal combustion engines—Piston rings—Part 15: Coil-spring-loaded oil control rings of narrow width made of cast iron
内燃机 活塞环 第15部分：薄型铸铁螺旋撑簧油环
Application Summary AI generated
This standard specifies the dimensions, material properties, surface treatment, and inspection requirements for narrow-width cast iron oil control rings that incorporate a coil spring expander. It is applied in the design, manufacturing, and quality testing of piston rings for internal combustion engines, particularly in automotive, marine, and industrial engine applications where effective oil control and reduced friction are critical.
Related Standards
JB/T 6728.2-2008
Internal combustion engines - Camshafts - Part 2: Wedge-cross rolling blanks
JB/T 51185-1999
Volute Mixed-Flow Pump - Product Quality Grading (Internal Use)
JB/T 51118-1999
Internal combustion engines - Full round main bearings - Product quality grading (Internal use)
JB/T 51114-1999
Internal combustion engines - Cooling water pumps - Product quality grading (Internal use)
JB/T 51119-1999
Internal combustion engines - Valve tappets - Product quality grading (Internal use)
JB/T 51116-1999
Internal combustion engines - Oil pumps - Product quality grading (Internal use)
JB/T 51117-1999
Internal Combustion Engines - Valve Seat - Product Quality Grading (Internal Use)
JB/T 51111-1999
Internal combustion engines - Paper element oil filter assemblies - Product quality grading (Internal use)
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.