標(biāo)準(zhǔn)編號(hào):	GB/T 31549-2015
中文名稱:	電動(dòng)自行車輪胎性能試驗(yàn)方法
英文名稱:	Performance testing method for electric bicycle tyres
中標(biāo)分類:	G41    輪胎
行業(yè)分類:	GB    國(guó)家標(biāo)準(zhǔn)
ICS分類:	83.160.10 83.160.10    道路車輛輪胎 83.160.10
發(fā)布機(jī)構(gòu):	中華人民共和國(guó)國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局 中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)
發(fā)布日期:	2015-05-15
實(shí)施日期:	2016-2-1
標(biāo)準(zhǔn)狀態(tài):	valid
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	7000 字
翻譯價(jià)格(元):	420.0
交付時(shí)間:	付款后 1 個(gè)工作日

1 Scope This standard specifies the terms and definitions, classification, specification marks, basic parameters, main dimensions and measurement methods for electric bicycle tyres. This standard is applicable to pneumatic tyres for electric bicycle. This standard is not applicable to non-pneumatic tyres. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 6326 Tyre Terms and Definitions GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values GB/T 31580 Series of Electric Bicycle Rims HG/T 2906 Static Loaded Performance Testing Method for Cycle Tyres 3 Terms and Definitions For the purpose of this document, the following terms and definitions and those defined in GB/T 6326 apply. 3.1 croctchet type (CT) tyre the tyre with the bead core of tyre adopting steel wire or other high-strength materials, and the bead contour shape matching with the crotchet type (CT) rim

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Classification 5 Specification Mark, Basic Parameter and Main Dimension 6 Measurement Method Annex A (Normative) Calculation of Tyre Dimension Annex B (Informative) Tyre with Section Width of New Tyres (S) Exceeding 54 mm - Basic Parameter and Main Dimension