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US$229.00 ยท In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 13826-2008: Wet type (non-metallic) friction materials Status: Valid GB/T 13826: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 13826-2008 | English | 229 |
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Wet type (non-metallic) friction materials
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GB/T 13826-2008
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| GB/T 13826-1992 | English | 399 |
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Wet type (non-matallic) friction materials
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PDF similar to GB/T 13826-2008
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Count Estimation | 10,127 | | Date of Issue | 2008-06-19 | | Date of Implementation | 2009-01-01 | | Older Standard (superseded by this standard) | GB/T 13826-1992 | | Quoted Standard | GB/T 5766; GB/T 3141 | | Regulation (derived from) | National Standard Approval Announcement 2008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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