GB/T 1149.17-2023Internal combustion engines - Piston rings - Part 17: Coil-spring-loaded oil control rings made of steel (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting:

This document is Part 17 of GB/T 1149 "Piston Rings for Internal Combustion Engines": GB/T 1149 has published the following parts:

---Part 1: General rules;

---Part 2: Terminology;

---Part 3: Material specifications;

---Part 4: Quality requirements;

---Part 5: Inspection methods;

---Part 6: Cast iron scraper rings;

---Part 7: Rectangular cast iron rings;

---Part 8: Rectangular steel ring;

---Part 9: Trapezoidal cast iron rings;

---Part 10: Trapezoidal steel rings;

---Part 11: Wedge-shaped cast iron rings;

---Part 12: Wedge-shaped steel rings;

---Part 13: Oil rings;

---Part 14: Spiral spring oil ring;

---Part 15: Thin cast iron spiral spring oil ring;

---Part 16: Steel belt combined oil ring;

---Part 17: Steel spiral spring oil ring:

This document is equivalent to ISO 6626-3:2019 "Internal combustion engine piston rings - Part 3: Steel spiral spring oil rings":

This document has made the following minimal editorial changes:

---In order to coordinate with the existing standards, the standard name is changed to "Internal Combustion Engine Piston Rings Part 17: Steel Spiral Spring Oil Rings":

Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:

Introduction

GB/T 1149 "Internal Combustion Engine Piston Rings" is a national standard that guides the design, inspection and use of internal combustion engine piston ring products in my country: It consists of seventeen Partial composition:

---Part 1: General rules: The purpose is to establish the general characteristics of piston rings (the individual dimensional characteristics are in the corresponding national standards regulations), codes, marks and logos:

---Part 2: Terminology: The purpose is to establish the classification, types, names of each part, terminology and definition:

---Part 3: Material specifications: The purpose is to establish specifications for the classification of materials used in piston rings according to their mechanical properties:

---Part 4: Quality requirements: The purpose is to establish product quality requirements that are not usually expressed on technical requirements on drawings:

---Part 5: Inspection methods: The purpose is to establish the inspection method of piston rings:

---Part 6: Cast iron scraper rings: The purpose is to establish the basic dimensions of cast iron scraper rings for piston ring models N, NM, E and EM:

feature:

---Part 7: Rectangular cast iron ring: The purpose is to establish the basic dimensions of rectangular cast iron piston rings for R, B, BA and M piston ring types:

inch characteristics:

---Part 8: Rectangular steel ring: The purpose is to establish the basic dimensions of rectangular steel piston rings with piston ring types R, B, BA and M:

feature:

---Part 9: Trapezoidal cast iron rings: The purpose is to establish the piston ring models as T, TB, TBA, TM, K, KB, KBA and KM Basic dimensional characteristics of trapezoidal cast iron piston rings:

---Part 10: Trapezoidal steel ring: The purpose is to establish the piston ring models as T, TB, TBA, TM, K, KB, KBA and KM ladder Basic dimensional characteristics of shaped steel piston rings:

---Part 11: Wedge-shaped cast iron rings: The purpose is to establish the piston ring models of HK, HKB and HKBA wedge cast iron piston rings:

Basic dimensional characteristics:

---Part 12: Wedge-shaped steel rings: The purpose is to establish the basis for wedge-shaped steel piston rings with piston ring models HK, HKB and HKBA:

Characteristics of this size:

---Part 13: Oil rings: The purpose is to establish the basic dimensions of piston ring models for S-type, G-type, D-type and DV-type oil rings:

feature:

---Part 14: Spiral spring oil ring: The purpose is to establish the piston ring models as DSF-C, DSF-CNP, SSF, GSF, DSF, Basic dimensional characteristics of DSF-NG and SSF-L spiral spring oil rings:

---Part 15: Thin cast iron spiral spring oil ring: The purpose is to establish the piston ring models as DSF-C, SSF, GSF, DSF and Basic dimensional characteristics of SSF-L thin cast iron spiral spring oil ring:

---Part 16: Steel belt combined oil ring: The purpose is to establish the basic dimensional characteristics of the steel belt combined oil ring:

---Part 17: Steel spiral spring oil ring: The purpose is to establish the piston ring models as SOR (R-type oil groove) and SOV (V-type oil groove):

Groove) Basic dimensional characteristics of steel spiral spring oil rings:

Part 1 ~ Part 5 of GB/T 1149 stipulates the common content of all piston ring products, and Part 6 ~ Part 17 respectively Specifies the characteristics of piston rings of different materials and types:

This document gives a wide range of parameters in the general characteristics and specification tables of piston rings: When designing, designers need to base their designs on the parameters of the piston rings:

Choose according to specific working conditions:

Designers need to refer to other relevant standards of GB/T 1149 before conducting piston ring design and parameter selection:

Internal combustion engine piston rings Part 17: Steel spiral spring oil rings

1 Scope

This document specifies the basic dimensions of steel spiral spring oil rings with piston ring models SOR (R-type oil groove) and SOV (V-type oil groove):

feature:

This document is applicable to steel spiral spring oil rings for reciprocating internal combustion engines with cylinder diameters of 60mm~160mm, under similar conditions the working compressor uses a steel spiral spring oil ring for reference:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations for undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document:

Note: GB/T 1149.3-2010 Internal combustion engine piston rings Part 3: Material specifications (ISO 6621-3:2000, IDT) Note: GB/T 1149.1-2008 Piston rings for internal combustion engines Part 1: General rules (ISO 6621-4:2003, IDT) Part 5:Qualityrequirements) Note: GB/T 1149.4-2008 Internal combustion engine piston rings Part 4: Quality requirements (ISO 6621-5:2005, IDT)

3 Terms, definitions and symbols

3.1 Terms and definitions There are no terms or definitions to be defined in this document:

3.2 Symbols

The following symbols apply to this document:

a1: Ring body radial thickness a4: Depth of oil collection tank a12: Combined radial thickness including support spring a13: The depth of the oil collection tank plus the thickness of the solid part a17: The oil scraping edge protrudes high B3: Spacing between oil scraping edges c1: Height of oil return hole d1: Basic diameter (cylinder hole diameter)