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GB/T 26739-2011 English PDF

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GB/T 26739-2011: Road vehicles -- Brake linings -- Test method for internal shear strength of lining material
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 26739-2011134 Add to Cart 3 days Road vehicles -- Brake linings -- Test method for internal shear strength of lining material Valid

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Basic data

Standard ID: GB/T 26739-2011 (GB/T26739-2011)
Description (Translated English): Road vehicles -- Brake linings -- Test method for internal shear strength of lining material
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q69
Classification of International Standard: 43.040.40
Word Count Estimation: 7,766
Date of Issue: 2011-07-20
Date of Implementation: 2012-03-01
Quoted Standard: ISO 611
Adopted Standard: ISO 6311-1980, IDT
Regulation (derived from): National Standard Approval Announcement 2011 No.10
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies test methods for measuring the brake lining material shear strength. This standard applies to road vehicles with disc brake pads and drum brake linings of the friction material.

GB/T 26739-2011: Road vehicles -- Brake linings -- Test method for internal shear strength of lining material


---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.
Road vehicles. Brake linings. Test method for internal shear strength of liging material ICS 43.040.40 Q69 National Standards of People's Republic of China Road vehicles - Brake linings Within the material shear strength (ISO 6311. 1980, Roadvehicles-Brakelinings-Internalshearstrength ofliningmaterial-Testprocedure, IDT) Issued on. 2011-07-20 2012-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses the translation method identical with the international standard ISO 6311. 1980 "Road vehicles - Brake linings within the shear strength of the material Test Procedure. " Correspondence between the consistency of the standards of international documents and normative references of the following documents. --- GB/T 5620-2002 Road vehicles and trailer brake terms and definitions of [ISO 611.1994, IDT] The standard proposed by China Building Materials Federation. The standard and non-metallic mineral products by the National Standardization Technical Committee (SAC/TC406) centralized. This standard was drafted. non-metallic mineral Xianyang Research and Design Institute, Rizhao-Auto Parts Co., Ltd., Dongying Xinyi Automobile Parts Co., The company, Shenzhen Institute of Standards and Technology, Fujian crown good Auto Parts Industry Co., Ltd., Shandong Kun Auto Parts Co., Ltd., Shandong Rong-bang Auto Parts Co., Ltd., Shaanxi Development Co., Ltd. soul. The main drafters of this standard. Shi Zhigang, in the military factory, Ding Deshun, Bao-Qi, Zhang Shishao, Zhang Haisheng, source, Zhou Wenzhong, Chen's show, Lee soul.

Introduction

Under normal use when the vehicle brakes, disc brake pads in the inner material will shear stress. In the drum brake linings, but also due to geometrical effects of shear stress increases. By shear stress maximum force generated by the largest shoe. Road vehicles - Brake linings Within the material shear strength

1 Scope

This standard specifies the test method for measuring brake lining material within shear strength. This standard applies to road vehicles with disc brake pads and drum brake linings of friction material.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. ISO 611 Road vehicles and trailer brake vocabulary (Roadvehicles-Brakingofautomotivevehiclesand theirtrailers-Vocabulary)

3 symbols and units

The following symbols and units apply to this document (see Table 1). Table 1 Symbols and units Symbol Unit Shear strength τ N/mm2 Shear force FN Shear area A mm2

4 Terms and Definitions

ISO 611 and defined by the following terms and definitions apply to this document. 4.1 Within the shear strength internalshearstrength The ratio of shear stress and shear area. 4.2 Shear shearforce Parallel to the friction lining or pad surface caused by shearing force (see Fig. 1).
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