SAE J 2004-1998
内燃机活塞环钢片撑簧/组合油控制环

Internal Combustion Engines Piston Rings Expander/Segment Oil Control Rings


 

 

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标准号
SAE J 2004-1998
发布日期
1998年04月01日
实施日期
废止日期
中国标准分类号
T12
国际标准分类号
43.060.10
发布单位
US-SAE
适用范围
This SAE Standard specifies the dimensional features of commonly used oil control rings having two steel segments (rails) separated and expanded by one steel expander/spacer. The segments vary in width from 0.4 to 0.6 mm. The assembly width ranges from 2.5 to 4.75 mm. The 4.75 mm width is equivalent to existing 3/16 in applications. Expander design will vary considerably with piston ring manufacturer. The total circumferential deflection and the piston groove depth should be considered when designing these oil rings to optimize the fit of the ring assembly into the piston groove. This document applies to oil control rings up through 125 mm for reciprocating internal combustion engines. It may also be used for piston rings of compressors working under similar conditions.




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