GB/T 12922-2025Elastic damping leaf coupling (English PDF)
弹性阻尼簧片联轴器
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Issued by
State Administration for Market Regulation; Standardization Administration of China
Level / Type
National · Recommended
Issue date
June 30, 2025
Implementation date
January 1, 2026
Scope
GB/T 12922-2025 is the English-translated version of 弹性阻尼簧片联轴器.
GB/T 12922-2025 is the Chinese standard "Elastic damping leaf coupling".
Its scope clause reads: This document provides the classification and marking, structure and parameters of elastic damping spring coupling (hereinafter referred to as "coupling"), and specifies the The technical requirements, inspection rules, marking, packaging, transportation and storage, etc., describe the corresponding test methods.
This document is applicable to power units such as ships, internal combustion locomotives, internal combustion engine generator sets, heavy vehicles and industrial diesel engine power units.
It is used to adjust the natural frequency of the torsional vibration of the mechanical system, reduce the amplitude of the resonance, and the allowable ambient temperature is -30°C~85°C. Design, manufacture and acceptance. Its clauses include terms and definitions.
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Document preview — GB/T 12922-2025
National Standard of the People's Republic of China
- ICS
- 47.020.20
- Classification
- U 48
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
1 Scope
This document provides the classification and marking, structure and parameters of elastic damping spring coupling (hereinafter referred to as "coupling"), and specifies the
The technical requirements, inspection rules, marking, packaging, transportation and storage, etc., describe the corresponding test methods.
This document is applicable to power units such as ships, internal combustion locomotives, internal combustion engine generator sets, heavy vehicles and industrial diesel engine power units.
It is used to adjust the natural frequency of the torsional vibration of the mechanical system, reduce the amplitude of the resonance, and the allowable ambient temperature is -30°C~85°C.
Design, manufacture and acceptance.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 191 Pictorial markings for packaging, storage and transportation
GB/T 1804-2000 General tolerances - Tolerances of linear and angular dimensions without tolerance indications
GB/T 3077-2015 Alloy Structural Steel
GB/T 3098.1-2010 Mechanical properties of fasteners - Bolts, screws and studs
GB/T 9239.1-2006 Mechanical vibration steady-state (rigid) rotor balance quality requirements Part 1.Specifications and balance tolerances test
GB/T 15822.1 Non-destructive testing - Magnetic particle testing - Part 1.General principles
GB/T 15822.2 Non-destructive testing - Magnetic particle testing - Part 2.Testing media
GB/T 15822.3 Non-destructive testing - Magnetic particle testing - Part 3.Equipment
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
omega0
Calculates a characteristic value of the coupling's dynamic torsional stiffness and damping coefficient.
3.2 Cs
The torsional stiffness of a coupling under static load.
3.3
The value of the relative torsion angle between the inner and outer components of the coupling under rated torque.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 52 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 1804-2000General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications
- GB/T 3077-2015Alloy Structure Steels
- GB/T 3098.1-2010Mechanical properties of fasteners - Bolts, screws and studs
- GB/T 9239.1-2006Mechanical vibration—Rotor balancing—Part 1:Introduction
- GB/T 15822.1Non-destructive testing - Magnetic particle testing - Part 1: General principles
Similar standards
Editions of GB/T 12922
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 12922-2025 | Elastic damping leaf coupling | current edition | Current |
| GB/T 12922-2008 | Elastic damping leaf coupling | previous edition | Superseded |
This page sells the current edition, GB/T 12922-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 15822.1-2005 — Non-destructive testing -- Magnetic particle testing -- Part 1: General principles
GB/T 15822.1-2024 — Non-destructive testing - Magnetic particle testing - Part 1: General principles
GB/T 15822.2-2024 — Non-destructive testing - Magnetic particle testing - Part 2: Detection media
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