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GB/T 37224-2018 English PDF

GB/T 37224-2018_English: PDF (GB/T37224-2018)
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GB/T 37224-2018English145 Add to Cart 0--9 seconds. Auto-delivery Drum brake linings for automobile Valid GB/T 37224-2018


BASIC DATA
Standard ID GB/T 37224-2018 (GB/T37224-2018)
Description (Translated English) Drum brake linings for automobile
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q69
Classification of International Standard 43.040.40
Word Count Estimation 10,126
Date of Issue 2018-12-28
Date of Implementation 2019-11-01
Drafting Organization Huangshan Feiying Auto Parts Co., Ltd., Shandong Jinqilin Co., Ltd., Xianyang Non-Metallic Mineral Research and Design Institute Co., Ltd., Qingdao Fangguan Friction Material Co., Ltd., Taimington Friction Material Technology (Shanghai) Co., Ltd., Guangdong Fuhua Heavy Industry Co., Ltd. Co., Ltd., Zhuhai Greeley Friction Material Co., Ltd., Xiamen Lixingda Friction Material Co., Ltd., Dongying Xinyi Auto Parts Co., Ltd., Shandong Liangshan Shenli Auto Parts Co., Ltd., Shandong Hengtong Auto Parts Co., Ltd., Chongqing Hongyu Friction Products Co., Ltd. Company, National Non-metallic Mineral Products Quality Supervision and Inspection Center, Qingdao Huarui Auto Parts Co., Ltd.
Administrative Organization National Non-metallic Mineral Products and Products Standardization Technical Committee
Proposing organization China Building Materials Federation


GB/T 37224-2018 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.40 Q 69 Drum brake linings for automobile ISSUED ON. DECEMBER 28, 2018 IMPLEMENTED ON. NOVEMBER 1, 2019 Issued by. State Administration for Market Regulation; Standardization Administration of the People's Republic of China. Table of Contents Foreword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Terms and definitions ... 5 4 Requirements... 7 5 Test methods ... 8 6 Inspection rules ... 9 7 Marking, packaging, transportation and storage ... 11 Drum brake linings for automobile 1 Scope This Standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation and storage of drum brake linings for automobiles (hereinafter referred to as “braking linings”). This Standard applies to drum brake linings for vehicles of categories M, N and O. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to this document. GB/T 2828.1, Sampling procedures for inspection by attributes – Part1. Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (GB/T 2828.1-2012, ISO 2859-1.1999, IDT) GB/T 5620, Road vehicles – Braking of automotive vehicles and their trailers – Vocabulary (GB/T 5620-2002, idt ISO 611.1994) GB 5763-2018, Brake linings for automobiles GB/T 15089, Classification of power-driven vehicles and trailers GB/T 26739, Road vehicles – Brake linings – Test method for internal shear strength of lining material GB/T 33835, Test method of impact strength for friction material JC/T 685, Test method for density of friction material JC/T 2103-2012, Road vehicles – Brake linings friction materials – Visual inspection (JC/T 2103-2012, ISO/PAS 22574.2007, IDT) QC/T 239, Specifications and bench test methods for commercial vehicle service brake category N Power-driven vehicles having at least four wheels and used for the carriage of goods. [GB/T 15089-2001, Definition 3.3] 3.2.1 category N1 Vehicles used for the carriage of goods and having a maximum mass not exceeding 3.5 tonnes. [GB/T 15089-2001, Definition 3.3.1] 3.2.2 category N2 Vehicles used for the carriage of goods and having a maximum mass exceeding 3.5 tonnes but not exceeding 12 tonnes. [GB/T 15089-2001, Definition 3.3.2] 3.2.3 category N3 Vehicles used for the carriage of goods and having a maximum mass exceeding 12 tonnes. [GB/T 15089-2001, Definition 3.3.3] 3.3 category O Trailers (including semi-trailers). [GB/T 15089-2001, Definition 3.4] 3.3.1 category O1 Trailers with a maximum mass not exceeding 0.75 tonnes. [GB/T 15089-2001, Definition 3.4.1] 5.3 Basic requirements concerning health and safety Basic requirements concerning health and safety shall be tested as specified in Clause 5 of GB 5763-2018. 5.4 Impact strength test Impact strength of brake linings shall be tested as specified in GB/T 33835. 5.5 In-plane shear strength test In-plane shear strength of brake linings shall be tested as specified in GB/T 26739. 5.6 Density Density of brake linings shall be tested as specified in JC/T 685. 5.7 Braking performance test 5.7.1 Braking performance of drum brake lings for vehicles of category M1 shall be tested as specified in QC/T 564. 5.7.2 Braking performance of drum brake linings for vehicles of categories M2, M3, N and O shall be tested as specified in QC/T 239. 6 Inspection rules 6.1 Inspection classification 6.1.1 Exit-factory inspection The items of exit-factory inspection. appearance quality, dimensions, exit-factory inspection items of GB 5763-2018, impact strength, in-plane shear strength, density. 6.1.2 Type inspection The items of type inspection include all the items as specified in Clause 4. Type inspection shall be carried out in one of the following cases. a) when a new product is put into production in commission; b) when production is resumed after a long term of production halt; c) when there is any significant change in material or technology, possibly influencing the properties of products; ......

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