GB/T 13826-2008 English PDF

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GB/T 13826-2008: Wet type (non-metallic) friction materials
Status: Valid

GB/T 13826: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 13826-2008	229	Add to Cart	3 days	Wet type (non-metallic) friction materials	Valid
GB/T 13826-1992	399	Add to Cart	3 days	Wet type (non-matallic) friction materials	Obsolete

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Basic data

Standard ID: GB/T 13826-2008 (GB/T13826-2008)
Description (Translated English): Wet type (non-metallic) friction materials
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A43
Classification of International Standard: 25.100.70
Word Count Estimation: 10,127
Date of Issue: 2008-06-19
Date of Implementation: 2009-01-01
Older Standard (superseded by this standard): GB/T 13826-1992
Quoted Standard: GB/T 5766; GB/T 3141
Regulation (derived from): National Standard Approval Announcement 2008 No.10 (Total No.123)
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 technical requirements for wet friction materials. This standard applies to non-metal -based resin as a binder in wet paper friction materials based friction materials and other wet, not for powder metallurgy friction materials.

GB/T 13826-2008: Wet type (non-metallic) friction 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.
Wet type (non-metallic) friction materials ICS 25.100.70 A43 National Standards of People's Republic of China Replacing GB/T 13826-1992 Wet (non-metal) friction materials Posted 2008-06-19 2009-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 13826-1992 "wet (non-metallic) friction materials," the main technical content and GB/T 13826-1992 Compared with the following changes. --- Increased the preamble; --- Modify the original standard coefficient of static friction and dynamic friction coefficient; --- Modify the original standard rate of wear of the wet friction material, dual wear rate. This standard, Annex A, Annex B normative appendix. The standard proposed by China Machinery Industry Federation. This standard layer Standardization Technical Committee (SAC/TC57) administered by the National Metal and non-metal cover. This standard was drafted. Wuhan Institute of Material Protection, Chongqing Yihua Technology Development Co., Ltd., Anhui Horse Group Co., Ltd., Hangzhou Friction Materials Co. longevity. The main drafters of this standard. Yao Huajun, He Qian, Shao XinAn, Ren Changming. This standard replaces the standards previously issued as follows. --- GB/T 13826-1992. Wet (non-metal) friction materials

1 Scope

This standard specifies the wet (non-metallic) friction material (hereinafter referred to as the wet friction material) technical requirements. Wet paper friction materials and other wet This standard applies to non-metal binder resin for friction material, the rule does not apply powder Gold friction material.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 5766 friction materials Rockwell hardness measurement method GB/T 3141 Industrial liquid lubricants - ISO viscosity classification (GB/T 3141-1994, eqv ISO 3448.1992) Category 3 Categories wet friction material are shown in Table 1. Table 1 Classification wet friction material Type of material use category A paper-based cars, tractors, construction machinery and other clutch plate B Other non-metal (molded resin-based, rubber-based friction materials, etc.) and other motorcycle clutch plate 4. Technical Requirements 4.1 Physical properties The physical properties of the wet friction material are shown in Table 2, which specifies the value determined by the supply and demand sides within the following ranges. Table 2 Physical properties of the wet friction material Species density/(g/cm3) Porosity /% Hardness/HRM A 0.6 ~ 3.0 25 ~ 50 - B 1.0 ~ 1.3 - 50 ~ 80 4.2 friction and wear properties 4.2.1 Friction coefficient 4.2.1.1 Class A coefficient of static friction of not less than 0.15; class B is not less than 0.24. 4.2.1.2 reduction than in the corresponding dynamic friction coefficient values \u200b\u200bshould be within the range specified in Table 3 of the. Table 3 dynamic friction coefficient species Specific pressure/MPa 0.2 0.3 0.5 1.0 2.0 A - - 0.15 ~ 0.19 0.15 ~ 0.19 0.15 ~ 0.19 B 0.15 ~ 0.22 0.15 ~ 0.22 0.15 ~ 0.22 - - Note. The table is friction coefficient of dynamic friction coefficient at 1000,2000,3000r/min conditions. ......

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