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GB/T 37209-2018: Nonmetallic rubber base wet type frictional materials
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 37209-2018 | English | 259 |
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Nonmetallic rubber base wet type frictional materials
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GB/T 37209-2018
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Basic data | Standard ID | GB/T 37209-2018 (GB/T37209-2018) | | Description (Translated English) | Nonmetallic rubber base wet type frictional materials | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q69 | | Classification of International Standard | 43.040.50 | | Word Count Estimation | 13,138 | | Date of Issue | 2018-12-28 | | Date of Implementation | 2019-11-01 | | Regulation (derived from) | National Standard Announcement No. 17 of 2018 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37209-2018: Nonmetallic rubber base wet type frictional materials---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.
Nonmetallic rubber base wet type frictional materials
ICS 43.040.50
Q69
National Standards of People's Republic of China
Non-metallic rubber-based wet friction material
Published on.2018-12-28
2019-11-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Building Materials Federation.
This standard is under the jurisdiction of the National Non-metallic Mineral Products and Products Standardization Technical Committee (SAC/TC406).
This standard was drafted. Huangshan Benma Group Co., Ltd., Hangzhou Kerfili Technology Co., Ltd., Xi'an Shuntong Electromechanical Application Technology Research
Institute, Xianyang Non-Metallic Mineral Research and Design Institute Co., Ltd., National Non-metallic Mineral Products Quality Supervision and Inspection Center, Qingdao Huaruifeng Machinery Co., Ltd.
the company.
The main drafters of this standard. Wen Jialu, Hua Shaojie, Xu Nanhan, Shao Huanhua, Liu Xuegeng, Du Ming, Xu Jinxi, Zhu Mianpeng, Shi Zhigang,
Wei Jinbao.
Non-metallic rubber-based wet friction material
1 Scope
This standard specifies the classification, requirements, test methods and inspection rules for non-metallic rubber-based wet friction materials (hereinafter referred to as "friction materials").
And as well as marking, packaging, transportation and storage.
This standard applies to friction materials for friction elements of wet friction systems in motorcycles, agricultural machinery and industrial machinery.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 2828.1. Sampling procedures for sampling by sampling - Part 1 . Batch-to-batch sampling plan, searched by AQL
GB/T 35472.2 Test methods for friction elements of wet automatic gearbox Part 2. Guide to the use of SZBL friction testers
GB/T 35472.6 Test methods for friction elements of wet automatic gearbox Part 6. Relationship between frictional properties and pressure, velocity and temperature
experiment method
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Midpoint dynamic friction coefficient midpointcoefficient
In the dynamic joint test, the coefficient of dynamic friction measured at the midpoint of the braking time.
3.2
Static friction coefficient breakawaycoefficient
Static motor drive speed and static torque time shall be specified during the measurement by static joint test.
3.3
End dynamic friction coefficient endpointcoefficient
The coefficient of dynamic friction measured at the end of the dynamic joint test.
3.4
Wear amount wear
The difference in thickness (in millimeters) before and after the friction material test under specified conditions.
4 classification
Non-metallic rubber-based wet friction materials are classified into two categories according to their use and should meet the requirements of Table 1.
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