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GB/T 14654-2025: Elastic damping leaf damper
Status: Valid GB/T 14654: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 14654-2025 | English | 449 |
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4 days [Need to translate]
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Elastic damping leaf damper
| Valid |
GB/T 14654-2025
|
| GB/T 14654-2008 | English | 369 |
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3 days [Need to translate]
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Elastic damping leaf damper
| Valid |
GB/T 14654-2008
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| GB/T 14654-1993 | English | 519 |
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4 days [Need to translate]
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Elastic damping leaf damper
| Obsolete |
GB/T 14654-1993
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PDF similar to GB/T 14654-2025
Basic data | Standard ID | GB/T 14654-2025 (GB/T14654-2025) | | Description (Translated English) | Elastic damping leaf damper | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U48 | | Classification of International Standard | 47.020.20 | | Word Count Estimation | 22,262 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Older Standard (superseded by this standard) | GB/T 14654-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 14654-2025: Elastic damping leaf damper---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT14654-2025
ICS 47.020.20
CCSU48
National Standard of the People's Republic of China
Replaces GB/T 14654-2008
Elastic damping spring shock absorber
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 14654-2008 "Elastic Damping Spring Vibration Absorber". Compared with GB/T 14654-2008, except for the structural adjustment
Besides the editorial changes, the main technical changes are as follows.
a) The scope of application of this document has been changed (see Chapter 1, Chapter 1 of the.2008 edition);
b) Added the structural diagram of type B shock absorber (see 5.1.2);
c) The basic parameter table has been modified (see 5.2.1, 4.3.1 of the.2008 edition);
d) The main dimensions, moment of inertia and weight requirements have been changed (see 5.3, 4.4 of the.2008 edition);
e) Deleted the permissible ambient temperature (4.5 of the.2008 edition);
f) The dimensional tolerance requirements have been changed (see 6.2.2, 5.3.2 of the.2008 edition);
g) Added weight requirements (see 6.3);
h) Deleted the lubricating oil and oil pressure requirements (see 5.5.1 of the.2008 edition);
i) Added specific quality requirements for reeds and spline shafts after heat treatment (see 6.4.2);
j) Added dynamic balancing requirements (see 6.5);
k) The lubricating oil and oil pressure inspection methods have been deleted (see 6.5.1 of the.2008 edition);
l) The torsional vibration parameter requirements have been changed (see 6.6, 5.5.2 of the.2008 edition);
m) Increased ambient temperature adaptability (see 6.7);
n) The roughness test method has been changed (see 7.1.2, 6.2.2 of the.2008 edition);
o) Added weight test method (see 7.3);
p) Added dynamic balancing test method (see 7.5);
q) Added the test method for environmental temperature adaptability (see 7.7);
r) The inspection items and order have been changed (see Table 6, Table 6 of the.2008 edition);
s) Added the content of shock absorber marking (see 9.1).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Standardization of Marine Machinery (SAC/TC137).
This document was drafted by. China Shipbuilding Industry Corporation Comprehensive Technical and Economic Research Institute and Chongqing Gearbox Co., Ltd.
The main drafters of this document are. Li Sijia, Qi Chao, Wu Shanshan, Wang Youbing, Kong Delu, Wang Cong, Wang Jingyao, and Liu Sheng.
This document was first issued in.1993, revised for the first time in.2008, and this is the second revision.
Elastic damping spring shock absorber
1 Scope
This document provides the classification and marking, structure and parameters of elastic damping spring vibration absorber (hereinafter referred to as "vibration absorber"), and specifies the vibration absorber
The technical requirements, inspection rules, marking, packaging, transportation and storage are described, and the corresponding test methods are described.
This document is applicable to shock absorbers used in reciprocating piston internal combustion engines and their power units with an allowable ambient temperature of -40℃~120℃
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 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
Te
The allowable value of the alternating torque that the shock absorber spring group can withstand.
4 Classification and labeling
4.1 Classification
Shock absorbers can be divided into the following two types according to their application models.
a) Type A, suitable for four-stroke internal combustion engines;
b) Type B, suitable for two-stroke internal combustion engines.
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