GB/T 38955-2020 English PDFUS$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 38955-2020: Carbon contact strips for urban rail transit vehicles Status: Valid
Basic dataStandard ID: GB/T 38955-2020 (GB/T38955-2020)Description (Translated English): Carbon contact strips for urban rail transit vehicles Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q53 Classification of International Standard: 29.050 Word Count Estimation: 10,158 Date of Issue: 2020-06-02 Date of Implementation: 2020-12-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 38955-2020: Carbon contact strips for urban rail transit vehicles---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.(Charcoal skateboard for urban rail transit vehicles) ICS 29.050 Q53 National Standards of People's Republic of China Charcoal skateboard for urban rail transit vehicles 2020-06-02 release 2020-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This standard was drafted by. Datong Xincheng New Materials Co., Ltd., Metallurgical Industry Information Standards Institute, Beijing Jiaotong University, Southwest Jiaotong University Tongtong University, Beijing CRRC Saide Railway Electric Technology Co., Ltd., Daqin Railway Co., Ltd. Hudong Power Engineering Department, Zhuzhou CRRC Times Electric Co., Ltd., Suzhou Rail Transit Group Co., Ltd., Guangzhou Metro Group Co., Ltd. The main drafters of this standard. Zhang Peilin, Pang Zhonghai, Yuan Xia, Zhang Peimu, Zhang Jinjun, Zhao Jingmin, Zhang Riqing, Wu Jianjun, Qian Jingrong, Ruan Mingli, Wang Zhihui, Zhang Zuowen, Ji Yongliang, Zheng Jingsu, Zhang Hongke, Gao Shuai, Wei Wenfu, Huang Sijun, Hao Youqing, Liu Xiong, Chen Wenguang, Chai Lichun, Guo Zhihong, Yang Xiaofeng, Gao Xiaoliang, Ma Xinghua, Li Yi, Song Yubin, Zhao Yongping. Charcoal skateboard for urban rail transit vehicles1 ScopeThis standard specifies the technical requirements, inspection methods, inspection rules, signs, packaging, and transportation of carbon skateboard products for urban rail transit vehicles And storage. This standard applies to charcoal skateboards for urban rail transit vehicles.2 Normative referencesThe following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 34572-2017 Test method for pantograph carbon skateboard of rail transit current receiving system3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Carbon skateboards carboncontactstripsforurbanrailtransitvehicles for urban rail vehicles Also known as carbon skateboards for urban rail transit vehicles, hereinafter referred to as carbon skateboards. In the urban rail transit system, the contact network on the train and vehicle Or the integral structure formed by the carbon material of the power rail for obtaining electrical energy is permanently fixed on the support structure (bracket).4 Technical requirements4.1 Technical requirements for the appearance of charcoal skateboards 4.1.1 The size and weight of the charcoal slide meet the user requirements. 4.1.2 The working surface of the charcoal slide plate should be smooth, and there should be no obvious defects such as cracks and falling blocks. 4.1.3 The carbon strip and the metal pallet on the carbon slide plate should be firmly bonded, and the bolts on the carbon slide plate should be firmly fixed. The metal pallet should not be deformed. 4.2 Technical performance of carbon strip 4.2.1 The technical performance of the pantograph charcoal slide carbon strip shall meet the requirements of Table 1. Table 1 Performance of pantograph charcoal skateboard carbon strip project name Index requirements Pure carbon material impregnated metal carbon material composite carbon material Bulk density/(g/cm3) ≤1.80 ≤4.0 ≤2.8 Flexural strength/MPa ≥30 ≥50 ≥60 ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 38955-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 38955-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 38955-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 38955-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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