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Standard

Power Cylinder Scuffing: Mechanisms
2020-08-12
CURRENT
J3070_202008
This document describes the various scuffing failure modes of the power cylinder system in an internal combustion engine. The causes and preventative measures for each failure mode are discussed. It should be noted that many remedies for scuff can lead to NVH (noise vibration and harshness) issues. However, NVH is not considered in this document.
Standard

INTERNAL COMBUSTION ENGINES - PISTON RINGS - VOCABULARY
1990-09-01
HISTORICAL
J1588_199009
Differences, where they exist, are shown in the appendix with associated rationale. This SAE Recommended Practice defines the most commonly used terms for piston rings. These terms designate either types of piston rings or certain characteristics and phenomena of piston rings. The terms and definitions apply to piston rings for reciprocating internal combustion engines and compressors working under analogous conditions. An addendum is included which lists equivalent terms in English, French, Russian, German, Spanish, Portuguese, Italian, and Japanese.
Standard

INTERNAL COMBUSTION ENGINES—PISTON RINGS—VOCABULARY
1992-10-01
HISTORICAL
J1588_199210
Differences, where they exist, are shown in Appendix A with associated rationale. This SAE Standard defines the most commonly used terms for piston rings. These terms designate either types of piston rings or certain characteristics and phenomena of piston rings. The terms and definitions apply to piston rings for reciprocating internal combustion engines and compressors working under analogous conditions. Appendix B is included which lists equivalent terms in English, French, Russian, German, Spanish, Portuguese, Italian, and Japanese.
Standard

Internal Combustion Engines—Piston Rings—Vocabulary
1998-04-17
HISTORICAL
J1588_199804
Differences, where they exist, are shown in Appendix A with associated rationale. This SAE Standard defines the most commonly used terms for piston rings. These terms designate either types of piston rings or certain characteristics and phenomena of piston rings. The terms and definitions apply to piston rings for reciprocating internal combustion engines and compressors working under analogous conditions. Appendix B is included which lists equivalent terms in English, French, Russian, German, Spanish, Portuguese, Italian, and Japanese.
Standard

Internal Combustion Engines—Piston Rings—Half Keystone Rings
1998-04-01
HISTORICAL
J2001_199804
Differences, where they exist, are shown in Appendix A. This SAE Standard specifies the essential dimensional features of HK- and HKB-half keystone rings with narrow ring width types. Dimensional and allow for the use of cast iron (Table 6) or steel (Table 7). Since the modulus of elasticity of steel rings is higher than that of cast iron rings, the fluctuation in the surface pressure will become greater if the free gap is set as the reference for forces. Therefore, forces are set using the surface pressure as the reference in order to minimize the effect of the fluctuation. The requirements of this document apply to half keystone rings of reciprocating internal combustion engines up to and including 70 mm diameter for cast iron rings and up to and including 100 mm diameter for steel rings.
Standard

INTERNAL COMBUSTION ENGINES - PISTON RINGS - HALF KEYSTONE RINGS
1990-09-01
HISTORICAL
J2001_199009
Differences, where they exist, are shown in Appendix A. This SAE Recommended Practice specifies the essential dimensional features of HK- and HKB- half keystone rings with narrow ring width types. Dimensional Tables 6 and 7 allow for the use of cast iron (Table 6) or steel (Table 7). Since the modulus of elasticity of steel rings is higher than that of cast iron rings, the fluctuation in the surface pressure will become greater if the free gap is set as the reference for forces. Therefore, forces are set using the surface pressure as the reference in order to minimize the effect of the fluctuation. The requirements of this document apply to half keystone rings of reciprocating internal combustion engines up to and including 70 mm diameter for cast iron rings and up to and including 100 mm diameter for steel rings.
Standard

INTERNAL COMBUSTION ENGINES—PISTON RINGS—KEYSTONE RINGS
1992-10-20
HISTORICAL
J2000_199210
Differences, where they exist, are shown in Appendix A. This SAE Standard specifies the essential dimensional features of T, TB, TM, K, KB, and KM keystone piston ring types. The requirements of this document apply to compression rings for reciprocating internal combustion engines up to and including 200 mm diameter.
Standard

Internal Combustion Engines—Piston Rings—Keystone Rings
1998-04-01
HISTORICAL
J2000_199804
Differences, where they exist, are shown in Appendix A. This SAE Standard specifies the essential dimensional features of T, TB, TM, K, KB, and KM keystone piston ring types. The requirements of this document apply to compression rings for reciprocating internal combustion engines up to and including 200 mm diameter.
Standard

INTERNAL COMBUSTION ENGINES - PISTON RINGS - KEYSTONE RINGS
1989-10-01
HISTORICAL
J2000_198910
Differences, where they exist, are shown in Appendix A. This document specifies the essential dimensional features of T, TB, TM, K, KB, and KM keystone piston ring types. The requirements of this document apply to compression rings for reciprocating internal combustion engines up to and including 200 mm diameter.
Standard

INTERNAL COMBUSTION ENGINES - PISTON RINGS - SCRAPER RINGS
1989-10-01
HISTORICAL
J1999_198910
Differences, where they exist, are shown in Appendix A. This document specifies the essential dimensional features of N, NM, E, and EM scraper piston ring types. Dimensional Tables 7 and 8 offer the choice of two radial wall thicknesses: a radial wall thickness "regular" (Table 7); b radial wall thickness "D/22" (Table 8). The requirements of this document apply to scraper rings for reciprocating internal combustion piston engines up to and including 200 mm diameter. They may also be used for piston rings of compressors working under similar conditions.
Standard

Internal Combustion Engines—Piston Rings—Scraper Rings
1998-04-17
HISTORICAL
J1999_199804
Differences, where they exist, are shown in Appendix A. This SAE Standard specifies the essential dimensional features of N, NM, E, and EM scraper piston ring types. Dimensional Tables 7 and 8 offer the choice of two radial wall thicknesses: a Radial wall thickness "regular" (Table 7) b Radial wall thickness "D/22" (Table 8) The requirements of this document apply to scraper rings for reciprocating internal combustion piston engines up to and including 200 mm diameter. They may also be used for piston rings of compressors working under similar conditions.
Standard

Internal Combustion Engines—Piston Rings—Rectangular Rings
1998-04-01
HISTORICAL
J1997_199804
Differences, where they exist, are shown in Appendix A. This SAE Standard specifies the essential dimensional features of R, B, and M rectangular piston ring types. Dimensional Tables 8 and 9 offer the choice of two radial wall thicknesses: a Radial wall thickness "regular" (Table 8) b Radial wall thickness "D/22" (Table 9) The requirements of this document apply to rectangular rings for reciprocating internal combustion piston engines up to and including 200 mm diameter. They may also be used for piston rings of compressors working under similar conditions.
Standard

INTERNAL COMBUSTION ENGINES - PISTON RINGS - RECTANGULAR RINGS
1989-10-01
HISTORICAL
J1997_198910
Differences, where they exist, are shown in Appendix A. This document specifies the essential dimensional features of R, B, and M rectangular piston ring types. Dimensional Tables 8 and 9 offer the choice of two radial wall thicknesses: a radial wall thickness "regular" (Table 8) b radial wall thickness "D/22" (Table 9) The requirements of this document apply to rectangular rings for reciprocating internal combustion piston engines up to and including 200 mm diameter. They may also be used for piston rings of compressors working under similar conditions.
Standard

Internal Combustion Engines—Piston Rings— Rectangular Rings With Narrow Ring Width
1998-04-17
HISTORICAL
J1998_199804
Differences, where they exist, are shown in Appendix A. This SAE Standard specifies the essential dimensional features of R, B, and M rectangular piston ring types with narrow ring width. Dimensional Tables 8 and 9 allow for the use of cast iron (Table 8) or steel (Table 9). Since the modulus of elasticity of steel rings is higher than that of cast iron rings, the fluctuation in the surface pressure will become greater if the free gap is set as the reference for force. Therefore, forces are set using the surface pressure as the reference, in order to minimize the effect of the fluctuation. The requirements of this document apply to rectangular rings for reciprocating internal combustion engines up to and including 90 mm diameter for cast iron rings and up to and including 100 mm diameter for steel. They may also be used for piston rings of compressors working under similar conditions.
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