BS ISO 6626-2:2024
$167.15
Internal combustion engines. Piston rings – Coil-spring-loaded oil control rings of narrow width made of cast iron
Published By | Publication Date | Number of Pages |
BSI | 2024 | 40 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | undefined |
7 | Foreword |
8 | Introduction |
9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Overview |
10 | 5 Piston ring types and designation 5.1 Types DFS-C, DFS-CNP, SSF, GSF, DSF, DSF-NG, and SSF-L ā General features and dimensions 5.2 Type DSF-C ā Coil-spring loaded bevelled edge oil control ring, chromium plated and profile ground 5.2.1 General features and dimensions |
11 | 5.2.2 Designation of a Type DSF-C piston ring in accordance with ISO 6626-2 |
12 | 5.3 Type DSF-CNP ā Coil-spring loaded bevelled edge oil control ring, chromium plated not profile ground 5.3.1 General features and dimensions 5.3.2 Designation of a Type DSF-CNP piston ring in accordance with ISO 6626-2 |
13 | 5.4 Type SSF ā Coil-spring loaded slotted oil control ring with rectangular groove 5.4.1 General features and dimensions 5.4.2 Designation of a Type SSF piston ring in accordance with ISO 6626-2 5.5 Type GSF ā Coil-spring loaded double bevelled oil control ring 5.5.1 General features and dimensions |
14 | 5.5.2 Designation of a Type GSF piston ring in accordance with ISO 6626-2 5.6 Type DSF ā Coil-spring loaded bevelled edge oil control ring 5.6.1 General features and dimensions |
15 | 5.6.2 Designation of a Type DSF piston ring in accordance with ISO 6626-2 5.7 Type DSF-NG ā Coil-spring loaded bevelled edge oil control ring (face geometry similar to type DSF-C or type DSF-CNP) 5.7.1 General features and dimensions |
16 | 5.7.2 Designation of a Type DSF-NG piston ring in accordance with ISO 6626-2 5.8 Type SSF-L ā Coil-spring loaded slotted oil control ring with rectangular groove at periphery and V-shaped groove beneath 5.8.1 General features and dimensions |
17 | 5.8.2 Designation of a Type SSF-L piston ring in accordance with ISO 6626-2 6 Common features 6.1 Oil drainage by slots or holes 6.1.1 Arrangement of slots |
19 | 6.1.2 Slot length 6.1.3 Arrangement of holes 6.1.4 Diameter and number of holes 6.2 Plating thickness ā DSF-C and DSF-CNP (coil-spring loaded bevelled edge oil control ring, chromium plated) |
20 | 6.3 Peripheral edges at gap of chromium plated oil control rings 6.4 Spring groove, slot, and land offsets 7 Coil springs 7.1 Types of coil spring |
22 | 7.2 Latch pin and location of small pitch in the coil spring 7.3 Coil spring excursion (extended gap) |
23 | 7.4 Position of coil spring gap and fixing 7.5 Material 8 Tangential force and nominal contact pressure 8.1 Tangential force, Ft 8.1.1 Force factors 8.1.2 General tangential force, Ft |
24 | 8.1.3 Actual tangential force, Ft, and tolerance 8.1.4 Normalized tangential force, FN 8.2 Nominal contact pressure, p0 9 Dimensions |
39 | Bibliography |