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GB/T 3565.7-2022 English PDF

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GB/T 3565.7-2022: Safety requirements for bicycles - Part 7: Wheel and rim test methods
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GB/T 3565.7-2022English279 Add to Cart 3 days [Need to translate] Safety requirements for bicycles - Part 7: Wheel and rim test methods Valid GB/T 3565.7-2022

PDF similar to GB/T 3565.7-2022


Standard similar to GB/T 3565.7-2022

GB/T 3565.1   GB 3565.2   GB/T 3564   GB/T 3565.5   GB/T 3565.6   GB/T 3565.4   

Basic data

Standard ID GB/T 3565.7-2022 (GB/T3565.7-2022)
Description (Translated English) Safety requirements for bicycles - Part 7: Wheel and rim test methods
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y14
Classification of International Standard 43.150
Word Count Estimation 14,129
Date of Issue 2022-12-30
Date of Implementation 2023-10-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 3565.7-2022: Safety requirements for bicycles - Part 7: Wheel and rim test methods

---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.
ICS 43.150 CCSY14 National Standards of People's Republic of China Bicycle Safety Requirements Part 7.Test methods for wheels and rims Posted on 2022-12-30 2023-10-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III Introduction V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Test method 1 4.1 Rotation accuracy 1 4.2 Wheel/tyre assembly --- static load test --- test method 3 4.3 Wheel---reliability of front/rear wheel clamping device---test method 4 4.4 Wheel heat resistance test of composite materials --- Test method 4 4.5 Compatibility between non-pneumatic tires and rims --- Test method 5 Appendix A (Informative) Wheel/Pneumatic Tire Assembly---Urban and Touring Bicycle Fatigue Test 6

foreword

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 is part 7 of GB (/T) 3565 "Safety Requirements for Bicycles". And GB 3565.2 "Bicycle Safety Requirements Part 2 Subdivision. Requirements for City and Touring Bicycles, Youth Bicycles, Mountain Bicycles and Competition Bicycles" is the supporting standard. GB (/T)3565 The following parts of the Bicycle Safety Requirements have been published. --- Part 1.Terms and definitions; --- Part 2.Requirements for city and touring bicycles, youth bicycles, mountain bikes and racing bicycles; --- Part 3.General test methods; --- Part 4.Brake test method; --- Part 5.Test methods for handlebars; --- Part 6.Test methods for frame and front fork; --- Part 7.Test methods for wheels and rims; --- Part 8.Test methods for pedals and drive systems; --- Part 9.Test methods for saddles and saddle tubes. This document is modified to adopt ISO 4210-7.2014 "Safety requirements for bicycles and two-wheeled bicycles - Part 7.Wheel and rim test method Law". Compared with ISO 4210-7.2014, this document has made the following structural adjustments. ---A.1 corresponds to A.1.1 in ISO 4210-7.2014; ---A.2 corresponds to A.1.2 in ISO 4210-7.2014. The technical differences between this document and ISO 4210-7.2014 and their reasons are as follows. --- Replaced ISO 4210-1 with the normatively quoted GB/T 3565.1 to adapt to my country's technical conditions and increase operability (see Chapter 3); --- In the "test method", the test method for the compatibility between the non-pneumatic tire and the rim has been added to ensure that the non-pneumatic tire is used in shared bicycles quality of on-board application (see 4.5); The following editorial changes have been made to this document. ---Change the name of the standard to "Bicycle Safety Requirements Part 7.Test Methods for Wheels and Rims" in order to align with existing standardized documents piece coordination; --- In "Appendix A", change the title "Fatigue Test of Wheel/Tire Assembly" to "Wheel/Pneumatic Tire Assembly---Urban and To prevent the misuse of Appendix A to the fatigue test of non-pneumatic tires in this document (see Appendix A, Annex A of ISO 4210-7.2014). Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China National Light Industry Council. This document is under the jurisdiction of the National Bicycle Standardization Technical Committee (SAC/TC155). This document was drafted by. Jinhua Shuangxing Aluminum Ring Co., Ltd., Wuxi Aoli Wheel Co., Ltd., Shanghai Xiedian Technology Service Co., Ltd. Company, Jianda Rubber (China) Co., Ltd., Lanxi Lunfeng Car Material Co., Ltd., Shanghai Phoenix Bicycle Co., Ltd., Giant (China) Co., Ltd. Co., Ltd., Shenzhen Meidahang Technology Co., Ltd., Dimai (Shanghai) Enterprise Management Co., Ltd., Tianneng Battery Group Co., Ltd., Kunshan Customs Comprehensive Technical Service Center, Tianjin Customs Industrial Product Safety Technology Center, Tianjin Product Quality Supervision and Testing Technology Research Institute Driving Research Center, Wuxi Inspection, Testing and Certification Research Institute, Taizhou Product Quality and Safety Testing Research Institute, Intertek (Tianjin) Quality Technology Services Ltd. The main drafters of this document. Huang Risheng, Chen Jie, Geng Bibo, Yao Qiushi, Wu Nan, Jia Gang, Ruan Li, Shi Xin, Cao Zhongming, Chen Jun, Shi Yuming, Chen Pingwei, Chen Xuefu, Ye Zhentao, Wu Yongbin.

Introduction

GB (/T) 3565 "Safety Requirements for Bicycles" was drafted according to the safety requirements of bicycle products. To produce bicycles that are as safe as possible. GB (/T) 3565 "Bicycle Safety Requirements" consists of 9 parts. --- Part 1.Terms and definitions. The purpose is to unify the terminology used in each part of the standard. --- Part 2.Requirements for city and touring bicycles, youth bicycles, mountain bikes and racing bicycles. purpose is Classify the safety requirements of Category 4 bicycles into mandatory national standards for easy enforcement. --- Part 3.General test methods. The purpose is to centralize and unify the general test methods for bicycle safety requirements and facilitate operation. --- Part 4.Brake test method. The purpose is to carry out professional tests on the brake requirements in the bicycle safety requirements, and provide a basis for the brake test Opportunities for method improvement. --- Part 5.Test methods for handlebars. The purpose is to carry out professional tests on the handlebar requirements in the bicycle safety requirements, and to provide a basis for the handlebar test Opportunities for method improvement. --- Part 6.Test methods for frame and fork. The purpose is to conduct a professional review of the requirements for frame and front fork in bicycle safety requirements. Test and provide opportunities for improved test methods for frames and forks. --- Part 7.Test methods for wheels and rims. The purpose is to conduct a professional review of the requirements for wheels and rims in bicycle safety requirements Test and provide opportunities for improvement of test methods for wheels and rims. --- Part 8.Test methods for pedals and drive systems. The purpose is to meet the requirements for pedals and drive systems in bicycle safety requirements Conduct specialized tests and provide opportunities for improved test methods for pedal and drive systems. --- Part 9.Test methods for saddles and saddle tubes. The purpose is to conduct a professional review of the requirements for saddles and saddle tubes in bicycle safety requirements Test, and provide opportunities for the improvement of test methods for saddles and saddle tubes. GB 3565.2 is a mandatory national standard, and 7 test method standards (GB/T 3565.3~GB/T 3565.9) are recommended national standards Standard, used in conjunction with GB 3565.2.These test method standards are designed to ensure the strength and reliability of individual components as well as the complete bicycle It meets the requirements and requires consideration of safety issues from the design stage. The scope of GB (/T) 3565 is limited to product safety considerations. If bicycles are used on public roads, national road traffic regulations must be followed. Communication safety laws and related management regulations. To improve repeatability and reproducibility, and to take into account suitability, size and operator effects for all types of bicycles, the test The machine test method reflects the current advanced level and is more popular than the road test method. The safety and quality of bicycles is related to the traffic life safety of consumers. Since 1983, my country has released three versions of GB 3565.It has been 17 years since GB 3565-2005 was issued and implemented. Provided technical support. GB 3565-2005 "Safety Requirements for Bicycles" is equivalent to ISO 4210.1996 "Safety Requirements for Two-wheeled Bicycles" Require". In.2014, ISO 4210 was revised and released again, from the original 1 standard to 9 standards. For this reason, GB 3565 also changed from the original 1 standard was revised into 9 standards, the standard level is synchronized with the international standard, and continues to provide technical support for the safety of bicycle products in our country. Bicycle Safety Requirements Part 7.Test methods for wheels and rims

1 Scope

This document describes the rotational accuracy of bicycle wheels and rims, static load tests of wheel/tyre assemblies, reliability of clamping devices, compound Material wheel temperature resistance test and test method for non-pneumatic tire and rim fit. This document is applicable to the test of the wheel and rim components of the bicycle types involved in GB 3565.2.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 3565.1 Bicycle Safety Requirements Part 1.Terms and Definitions (GB/T 3565.1-2022, ISO 4210-1. 2014, MOD) GB 3565.2-2022 Bicycle Safety Requirements Part 2.City and Touring Bicycles, Youth Bicycles, Mountain Bicycles Requirements for racing bicycles (ISO 4210-2.2015, MOD) Note. There is no technical difference between the referenced content of GB 3565.2-2022 and the referenced content of ISO 4210-2.2015. GB/T 3565.3-2022 Bicycle Safety Requirements Part 3.General Test Methods (ISO 4210-3.2014, IDT)

3 Terms and Definitions

The terms and definitions defined in GB/T 3565.1 apply to this document.

4 Test method

4.1 Rotational accuracy Rotational accuracy means that after the wheel is fully assembled and adjusted, it can rotate one circle without axial play, and a suitable wheel along the rim Point, the maximum change range of the rim position measured in the direction perpendicular to the wheel axis (see Figure 1 and Figure 2) (ie the reading difference of the dial indicator). both sides of the rim should be measured and the result should be taken as its maximum value. For city and touring bicycles, mountain bikes and youth bicycles, the axial runout (face) and radial runout (concentric) of the wheels For all measurements, tires should be installed and the tires should be inflated to the maximum inflation pressure; however, if the concentricity cannot be measured for the wheels after the tires are installed, it is allowed It is measured with the tire removed. For racing bicycles, the measurement of axial runout (end face) and radial runout (concentricity) of the wheel shall be carried out simultaneously, as shown in Figure 2, the measurement No need to install tires.

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