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Methods of measuring rolling resistance of passenger car, truck and bus tyres for import and export. Multi-point test method
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SN/T 4035-2014
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Basic data Standard ID | SN/T 4035-2014 (SN/T4035-2014) | Description (Translated English) | Methods of measuring rolling resistance of passenger car, truck and bus tyres for import and export. Multi-point test method | Sector / Industry | Commodity Inspection Standard (Recommended) | Classification of Chinese Standard | G41 | Classification of International Standard | 83.160.10 | Word Count Estimation | 12,150 | Date of Issue | 12/1/2014 | Date of Implementation | 5/1/2015 | Quoted Standard | GB/T 6326-2005; SAE J1269-2006; SAE J1270-2006 | Regulation (derived from) | State-Quality-Inspection-accreditation [2014] 614 | Issuing agency(ies) | General Administration of Customs | Summary | This standard specifies the import and export of cars, light truck, truck and bus tire rolling resistance of a pneumatic multi-point test method. This standard applies to the measurement of the tire in free rolling steady driving, rolling resistance, slip |
SN/T 4035-2014: Methods of measuring rolling resistance of passenger car, truck and bus tyres for import and export. Multi-point test method ---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Methods of measuring rolling resistance of passenger car, truck and bus tyres for import and export.Multi-point test method
People's Republic of China Entry-Exit Inspection and Quarantine Industry Standard
Import and export of passenger cars, trucks and passenger car tires
Resistance measurement method
Released on.2014-11-19
2015-05-01 implementation
People's Republic
The General Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the National Certification and Accreditation Administration.
This standard was drafted. Shandong Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China.
The main drafters of this standard. Liu Xiaomin, Han Futao, Zhang Shaoyan, Su Jie, Sheng Menglong.
Import and export of passenger cars, trucks and passenger car tires
Resistance measurement method
1 Scope
This standard specifies the multi-point test method for rolling resistance of import and export passenger cars, light trucks, trucks and passenger car pneumatic tires.
This standard is applicable to the measurement of rolling resistance of free rolling tires in steady state driving, side yaw angle and camber angle. The basic test methods are
The following three types.
a) Force measurement method---measuring the reaction force of the tire's rotating shaft and converting it into rolling resistance;
b) Torque method---measuring the input torque of the test machine and converting it into rolling resistance;
c) Power method---Measure the input power of the test machine and convert it into rolling resistance.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6326-2005 tire terminology and its definition
SAEJ1269-2006 Rolling resistance test procedure for passenger cars, light trucks, trucks and passenger cars
SAEJ1270-2006 Measuring rolling resistance of passenger cars, light trucks, trucks and passenger car tires
American Tire Rim Association (TRA) Standard Yearbook
3 Terms and definitions
The following terms and definitions defined in GB/T 6326-2005 and SAE J1269-2006 apply to this document. In order to facilitate
Some of the terms and definitions in SAEJ1269-2006 are repeated below.
3.1
Rolling resistance lubricationresistance
The sum of the scalar quantities of all contact forces that are tangent to the test surface and parallel to the plane of the tire rim.
[SAEJ1269-2006, Definition 3.1]
3.2
Rolling drag coefficient rotatingresistancecoefficient
The ratio of rolling resistance to tire load.
[SAEJ1269-2006, Definition 3.2]
3.3
Load radius loadedradius
The vertical distance from the axis of rotation of the tire under load to the rolling surface.
[SAEJ1269-2006, Definition 3.3]
3.4
Maximum load
Molded on the sidewall of the tire and included in the tire load specified in the current American Tire Rim Association (TRA) Standard Yearbook Tire Load Meter
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