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GB/T 27751-2011: Specification for AgNiC contact
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 27751-2011 | English | 169 |
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Specification for AgNiC contact
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GB/T 27751-2011
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Basic data | Standard ID | GB/T 27751-2011 (GB/T27751-2011) | | Description (Translated English) | Specification for AgNiC contact | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K14 | | Classification of International Standard | 29.120.99 | | Word Count Estimation | 7,768 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-05-01 | | Quoted Standard | GB/T 2828.1-2003; GB/T 5586; GB/T 5587-2003; GB/T 26871; GB/T 26872; JB/T 4107.4-1999; JB/T 4107.5-1999; JB/T 4107.7-1999 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 22 of 2011 | | 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 powder metallurgy method and solid -phase sintering of nickel silver flake graphite electrical contacts requirements, test methods, inspection rules, marking, packaging, transport and storage. This standard applies to solid-phase sintering powder metallurgy and production of nickel- graphite flake silver electrical contacts inspection and acceptance. The product is mainly used in the circuit breaker. | GB/T 27751-2011: Specification for AgNiC contact---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.
Specification for AgNiC contact
ICS 29.120.99
K14
National Standards of People's Republic of China
Silver Nickel graphite electrical contacts
Issued on. 2011-12-30
2012-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Electrical Equipment Industrial Association.
This standard by the National Standardization Technical Committee for Electrotechnical alloy (SAC/TC228) centralized.
This standard was drafted. Fuda Alloy Co., Ltd. Wenzhou Hongfeng Electrical Alloy Co., Ltd., Guilin Electric Apparatus Research Institute, Greek
Alloy Co., Ltd., Foshan Tongbao Precision Alloy Co., Ltd., Guilin Ginger Electrical and Electronic Materials Technology Co., Ltd., Wenzhou multiple star silver touch
Point Limited.
The main drafters of this standard. Zheng Yuanlong, Bai Xiaoping, Wu Xinhe, Zhang Xiaohui, Chen, Chen Ming-Yong, Xie Yongzhong, large horse, was Cui Feng,
Zhan Yaping.
Silver Nickel graphite electrical contacts
1 Scope
This standard specifies the method of powder metallurgy and solid phase sintering of nickel silver flake graphite electrical contacts requirements, test methods, inspection rules, marks, packages
Loading, transport and storage.
This standard applies to solid-phase sintering and powder metallurgy production of nickel-silver flake graphite electrical contacts (hereinafter referred to as electrical contacts) testing and inspection
Income. The products are mainly used in the circuit breaker.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample
plan
GB/T 5586 electrical contact materials basic performance test method
GB/T 5587-2003 silver based electrical contacts basic shapes, dimensions, symbols and designations
GB/T 26871 Test method for electrical contact materials microstructure
GB/T 26872 electrical contact material microstructure map
JB/T 4107.4-1999 Determination of electrical contact materials for chemical analysis of tungsten silver silver content (iodometry)
JB/T 4107.5-1999 electrical contact materials for chemical analysis of silver Determination of nickel content in nickel (ETDA volumetric method)
JB/T 4107.7-1999 electrical contact materials - Determination of carbon content - Silver graphite (gas volumetric method for the determination of carbon content)
3 Requirements
3.1 Dimensions, tolerances and annotations
Electrical contacts dimensions, tolerances and labeling shall comply with the requirements of GB/T 5587-2003 and 3.1 in Chapter 4. If you have special requirements,
Agreed to by the supply and demand sides.
3.2 surface quality
3.2.1 electrical contact surface should be free of cracks, bubbling, delamination, lack of edge, off angle; there should be no more than 0.10mm high edge burrs.
3.2.2 electrical contact surface should not have rust length greater than 0.20mm.
3.3 symbols, chemical composition and mechanical properties of the physical
Electrical contacts symbol, chemical composition and mechanical physical properties should meet the requirements of Table 1.
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