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TB/T 2841-2010

Chinese Standard: 'TB/T 2841-2010'
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Detail Information of TB/T 2841-2010; TB/T2841-2010
Description (Translated English): Air spring for railway vehicle
Sector / Industry: Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard: S33
Classification of International Standard: 45.060.20; 45.060.01
Word Count Estimation: 66,690
Date of Issue: 2010-04-27
Date of Implementation: 2010-10-01
Older Standard (superseded by this standard): TB/T 2841-2005
Quoted Standard: GB/T 528-2009; GB/T 531.1-2008; GB/T 532-2008; GB/T 533-2008; GB/T 1682-1994; GB/T 1690-2006; GB/T 2941-2006; GB/T 3512-2001; GB/T 7759-1996; GB/T 9867-2008; GB/T 11211-2009; GB/T 13642-1992; GB/T 13934-2006; GB/T 17200-2008; TB/T 2843-2007
Adopted Standard: EN 13597-2003, NEQ
Drafting Organization: Qingdao Sifang Rolling Stock Research Institute Co., Ltd.
Administrative Organization: Qingdao Sifang Rolling Stock Research Institute Co., Ltd.
Regulation (derived from): Railway Technology [2010] No. 62
Summary: This standard specifies the railway vehicle air springs terminology, symbols, and the coordinate system definition, product performance requirements, check the test methods, inspection rules, marking, packaging, transportation and storage. This standard duct air supply system, control valves, and other effects additional air chamber air spring performance components are not described. This standard applies to passenger cars and railroad EMU newly built air springs, subway, monorail, urban rail, magnetic levitation, and other rail vehicles with air springs can refer to use.

TB/T 2841-2010
TB
RAILWAY INDUSTRIAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 45.060.01
S 33
Replacing TB/T 2841-2005
Air spring for railway vehicle
铁道车辆空气弹簧
ISSUED ON. APRIL 27, 2010
IMPLEMENTED ON. OCTOBER 01, 2010
Issued by. Ministry of Railways of the People's Republic of China
Table of Contents
Foreword ... 3 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms, symbols and coordinate-system definitions ... 6 
4 Documents required from customer and supplier respectively ... 16 
5 Operation environment temperature ... 17 
6 Product property requirements... 17 
7 Inspection test method ... 30 
8 Inspection rules ... 54 
9 Marking, packaging, storage and transportation ... 57 
Annex A ... 59 
Annex B ... 63 
Annex C ... 65 
Bibliography ... 66 
Foreword
This Standard non-equivalently adopts EN 13597-2003 “Railway applications - Rubber
suspension components - Rubber diaphragms for pneumatic suspension springs”.
Compared with EN 13597-2003, the main differences are as follows.
- ADD requirements and methods for rigidity, height, creep, high and low
temperature tests of auxiliary spring;
- ADD vertical fatigue test requirements and methods of air spring for swing hanger
bogie;
- ADD horizontal fatigue test requirements and methods of air spring for bolster
bogie;
- ADD vertical damping coefficient test methods of air spring with orifice;
- AMEND preparation method of test samples for environment endurance test of air
spring;
- ADD requirements and methods of low temperature air tightness.
This Standard replaces TB/T 2841-2005 “Air spring for railway vehicle". Compared with
TB/T 2841-2005, the main changes are as follows.
- ADD requirements and methods for rigidity, height, creep, high and low
temperature tests of auxiliary spring;
- ADD property parameters requirements of the ultimate pressure withstand
capability of air spring, the maximum physical dimensions, load capacity at
different height; AMEND test methods of main property parameters;
- AMEND items and methods of environment endurance test of air spring.
Annex A of this Standard is informative while Annexes B and C are normative.
This Standard was proposed and shall be under jurisdiction of Qingdao Sifang Rolling
Stock Research Institute Co., Ltd.
Main drafting organizations of this Standard. Qingdao Sifang Rolling Stock Research
Institute Co., Ltd., Zhuzhou Times Material Technology Co., Ltd. AND Locomotive and
Car Research Institute of China Academy of Railway Sciences.
Main drafters of this Standard. Cheng Haitao, Wang Fusheng, Fang Kejuan, Du Shang,
Wang Liming, Wang Jin, Chen Canhui and Yuan Liangming.
The previous editions replaced by this Standard are as follows.
- TB/T 2841-1997;
- TB/T 2481-2005.
Air spring for railway vehicle
1 Scope
This Standard specifies the terms, symbols and coordinate system definition, product
property requirements, inspection test method, inspection rules, marking, packaging,
storage and transportation of air spring for railway vehicle.
This Standard does not describe those components that may influence air spring
properties, such as air supply system of air duct, control valve or auxiliary chamber.
This Standard is applicable to newly-made air spring for railway passenger vehicles
and CRH (China Railway High-speed) vehicles. Air spring for metro vehicles, urban
rail vehicles, mono-rail vehicles, magnetic suspension vehicles and other kinds of rail
vehicles can use this Standard as reference.
2 Normative references
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrections) or revisions do not apply to this Standard, however, parties who
reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
GB/T 528-2009 Rubber, vulcanized or thermoplastic - Determination of tensile
stress-strain properties (ISO 37.2005, IDT)
GB/T 531.1-2008 Rubber vulcanized or thermoplastic - Determination of indentation
hardness - Part 1. Duromerer method (Shore hardness) (ISO 7619-1.2004, IDT)
GB/T 532-2008 Rubber vulcanized or thermoplastic - Determination of adhesion to
textile fabric (eqv ISO 36.2005)
GB/T 533-2008 Rubber vulcanized or thermoplastic - Determination of density (ISO
2781.2007, IDT)
GB/T 1682-1994 Rubber, vulcanized - Determination of low-temperature brittleness
(single test piece method) (eqv ISO 812.1991)
GB/T 1690-2006 Rubber vulcanized or thermoplastic - Determination of the effect
of liquids (ISO 1817.2005, MOD)
GB/T 2941-2006 Rubber - General procedures for preparing and conditioning test
pieces for physical test methods (ISO 23529.2004, IDT)
GB/T 3512-2001 Rubber, vulcanized or thermoplastic - Accelerated ageing and
heat resistance tests - Air-oven method (eqv ISO 188.1998)
GB/T 7759-1996 Rubber, Vulcanized or thermoplastic - Determination of
compression set at ambient elevated or low temperatures (eqv ISO 815.1991)
GB/T 9867-2008 Rubber vulcanized or thermoplastic - Determination of abrasion
resistance using a rotating cylindrical drum device (ISO 4649.2002, IDT)
GB/T 11211-2009 Rubber vulcanized or thermoplastic - Determination of adhesion
to metal - Two-plate method (ISO 814.2007, IDT)
GB/T 13642-1992 Rubber, vulcanized - Resistance to ozone ageing - Dynamic
strain test method (neq ISO 1431 -2.1982)
GB/T 13934-2006 Rubber, vulcanized or thermoplastic - Determination of flex
cracking and crack growth (De Mattia) (ISO 132.1999, MOD)
GB/T 17200-2008 Technical specification for tensile compression and flexural
testing machines for rubber and plastics (constant rate of traverse) (ISO 5893.2002,
IDT)
TB/T 2843-2007 General technical specification for elastic parts for railways
3 Terms, symbols and coordinate-system definitions
3.1 Terms
The following terms are applicable to this Standard.
3.1.1 Diaphragm
3.1.1.1 Diaphragm
The major bearing and vibration attenuation component of air spring. Its structure is
shown in Figure 1. Different diaphragm types refer to Annex A.
An important component of auxiliary spring which usually consists of metal vulcanized
with rubber.
3.1.5.3 Support rim
A component performs functions of supporting diaphragm, transmitting load and
providing installation space for wearing plate and is between rubber metal spring and
airbag, which is usually metal or metal vulcanized with rubber.
3.1.6 Design height
Working height in technical specification. It is the installation space of air spring in
vertical direction. Properties at height is used as reference to assessing spring
performance. This height is also the initial point for calculating vertical deflection and
compressing is negative while straining is positive.
Note. Technical specification is the technical document provided by customer and approved
through specified procedure.
3.1.7 Design state
Working state of air spring at load of vehicle weight.
3.1.8 Design pressure
Pressure of air spring when it is loaded with empty vehicle at design height.
3.1.9 Effective area
Effective active area of pressure for air spring when is inflated.
3.1.10 Auxiliary chamber
Separate chamber used to decreasing vertical rigidity of air spring and is connected
with diaphragm.
3.1.11 Max outside diameter
Periphery diameter of diaphragm in inflated state at maximum vertical load.
3.1.12 Air gap
Height difference between bottom surface of top plate of air spring and top surface of
auxiliary spring under design pressure.
3.2 Symbols
Symbols used in this Standard are listed in Table 1.
......
Related standard:   TB/T 2838-2015  TB/T 2843-2015
   
 
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