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GB/T 31580-2015: Series of electric bicycle rims
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31580-2015 | English | 379 |
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Series of electric bicycle rims
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GB/T 31580-2015
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Basic data | Standard ID | GB/T 31580-2015 (GB/T31580-2015) | | Description (Translated English) | Series of electric bicycle rims | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G41 | | Classification of International Standard | 83.160.10 | | Word Count Estimation | 18,127 | | Date of Issue | 2015-05-15 | | Date of Implementation | 2016-02-01 | | Quoted Standard | GB/T 2933; GB/T 6326; GB/T 31546; GB/T 31548 | | Regulation (derived from) | National Standard Announcement 2015 No. 15 | | 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 the electric bicycle rim profile dimensions and tolerances, and gives the tire and the rim portion of the rim with the profile curve and its main dimensions. This Standard applies to GB/T 31548 contains various series of electric bicycle rim tires. | GB/T 31580-2015: Series of electric bicycle rims---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.
Series of electric bicycle rims
ICS 83.160.10
G41
National Standards of People's Republic of China
Electric bicycle rim series
Issued on. 2015-05-15
2016-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Symbol 1
Classification and nomenclature 2 5
6 rim contour dimensions and size marks 2
7 rim valve hole and the rim with the pad 6
(Informative) detected rim size Appendix A 7
Annex B (informative) nominal width of the code 34 and above the rim contour 13
References 14
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Petroleum and Chemical Industry Association.
Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.
The standard tire rim by the National Standardization Technical Committee (SAC/TC19) centralized.
This standard was drafted. CE Rubber Co., Ltd., Guangzhou Institute of Rubber Industry Co., Ltd., Zhejiang ocean Electrical and Mechanical set
Group Co., Ltd., Jiangsu Melody Rim Co., Ltd. Shanghai Sheng Association Cycling Services Limited.
Drafters of this standard. Shen with Zhu, Chen Qiu hair, Wang Jirong, Chen, and Wang Chaoyang, Yu Shiguang Wang Feng change.
Electric bicycle rim series
1 Scope
This standard specifies the electric bicycle rim contour dimensions and tolerances, and gives the tire and the rim with the rim contour portion of the curve
Its main dimensions.
This standard applies to GB/T 31548 contains rims of various series of electric bicycle tire.
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.
GB/T 2933 pneumatic tire and wheel rim terminology, specifications and code flags
GB/T 6326 tires terms and definitions
GB/T 31546 electric bicycle tires
GB/T 31548 series electric bicycle tires
3 Terms and Definitions
Terms and definitions GB/T 2933 and GB/T 6326 defined apply to this document.
4 Symbol
The following symbols apply to this document.
a. Calibration rim width;
β. bead seat angle;
D. Calibration rim diameter;
D1. measuring rim diameter;
D2. outer diameter of the rim;
d. diameter of the valve hole;
g. rim height;
H. rim groove depth;
H1. bottom depth (above the bottom rim accessibility means a minimum depth of the tire);
l1. bottom width (with feet above the rim width);
p. bead seat width;
r1. the radius of the rim engagement;
r2. radius of the rim;
r3. bead seat radius;
r4. slot tip radius;
r5. bottom rim radius.
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