This standard specifies the technical requirements, detection methods, inspection rules, marking, packaging and storage of silver metal oxide electrical contacts such as silver oxide cadmium oxide, silver zinc oxide, silver copper oxide, silver tin oxide indium oxide, etc. in the alloy. This standard applies to silver metal oxide electrical contacts produced by the alloy internal oxidation process. This product is mainly used in various low-voltage switching appliances. GB 13397-1992 Technical conditions for silver metal oxide electrical contacts using internal alloy oxidation method GB13397-1992 Standard download and decompression password: www.bzxz.net

National Standard of the People's Republic of China
Alloy Internal Oxidation Method Silver Metal Oxide
Technical Specification for Electrical Contacts
Technical specification for silver-metaloxideelectrical contacts by alloy internal oxidation method Subject content and scope of application | |tt | head) technical requirements, testing methods, inspection rules, marking, packaging and storage, etc. This standard applies to silver metal oxide electrical contacts produced by the alloy internal oxidation process. This product is mainly used in various low-voltage switching appliances. 2 Referenced standards
GB2828 Batch-by-batch inspection and counting sampling procedures and sampling tables (applicable to continuous batch inspections) GB5586 Basic performance test methods for electrical contact materials GB5587 Basic shape, size, symbols and markings of silver-based electrical contacts JB4107 .1~4107.7 Technical requirements for chemical analysis methods of electrical contact materials 3
3.1 Names, representative symbols, chemical compositions and physics of various silver cadmium oxide, silver zinc oxide, silver copper oxide, silver oxide tin oxide steel and other products The mechanical properties are as shown in Table 1 and Table 2.
State Bureau of Technical Supervision approved 1992-03-15 for implementation on 1992-10-01
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GB13397—92
3.2 电影边头电影下载、公差、是注及经粉粉度等合可以GB5587 relevant provisions。3.3 电男头电视电视图像，其天生应无裂纹、鼓泡、花表、花角与电影况陷及毛度新点，毛刺高不体0.1mm mm。 3.4 The gold phase of the electric contact product's gold phase is magnified 200 times to 300 times, so that the oxides are evenly distributed, and the gold phase is evenly distributed.图B1 of the organization 如附界B(reference件）中国B1。 3.5 ??电男头电影金相结果不设计晶界中的有长达150μm宽6um（不属引得后地场）的电影晶界沉洉物。如附界B (参考件)中图B2。 3.6 Observe the metal structure of the electrical contact product on the surface of the 4mm2 sheet, do not allow air holes with a length equal to or greater than 30μm, or a 100μm-long container, or a 150μm-long accumulation of oxygen物，但allowed to have 三处 whose length is less than or equal to 30μm of air hole, or 100μm of entrapped oxides, or 150μm of aggregated oxides, when the above allowable value range of air holes, entrapped oxides, and aggregated oxides are present at the same time, neither More than 三处，defects金相图如附国B(reference件)(图B3、图B4)中国B3、图B4。 3.7 electric contact product section经磨光光名合，不合有未oxidized alloy合合，银oxidized cadmium products There are more than 5% cadmium oxide in the thickness of the skin, other silver metal oxide products do not have a thickness of more than 8% in the skin, and the process of oxidation does not form a split layer.如附国B(参考件)中图B5、图B6、图B7。 3.8 The thickness of the composite silver welding layer of the electrical contact product is 12%22%, and the interface of silver metal oxide and silver welding layer is not应有裂纹，在金相月微霕下可件，其实体电影不可有有电影长达150μm未实方好的black线线； Qualified products如附单A（reference件）中图A5，Defective products如附单B(reference件）中图B8。 3.9 The welding surface of the silver metal oxide electric contact product shall be marked when the outer surface is not distinguished. 3.10 The standard does not include the special requirements of the product. Inspection method
4.1 电视头product size、毛刺是用读数数国值的游发卡尺及分分尺值0.01mm分分尺、or other applicable instrument tools如projection仪体前工作。4.2 Check the surface of the electric contact surface of the product. 4.4 density, 布氏 hardness, resistance rate measurement见GB5586。4.5 various contact varieties silver and oxide element analysis can be carried out according to JB4107.1～4107.7 and refer to the relevant element analysis method.4.6 gold phase organization 4.7 electric contact The chemical composition of the product and the physical and mechanical properties of the product are inspected. 5 inspection rules批酒料和手机电影。
5.2每批电触头product quality inspection according to the following requirements 歌机技机。5.2.1 appearance inspection每批100%.
5.2.2 size inspection according to GB2828 requirements , to the second normal inspection sampling program, 2-level general inspection horizontal sampling（见要较C表C1）.Electric contact ball surface、arc face radius、铆陵 contact different axis deviation and surface roughness according to GB5587. 5.2.3 density、hardness inspection according to GB2828 requirement，以可于发动电影水机方法，S-3 special inspection horizontal test sample（见附较C表C1)。
5.2.4 chemical composition、resistance rate and gold相设计方法按GB2828 requirements，以可于可以性想方法，S-1结果方法水方方法的想斯（见附能C表C1）。
GB13397—92
5.2.5 chemical composition analysis ，其比词量应能可以可以可以可以可以，在于手机名生电影会货可以可以下载，可以下载游水量发通过可以。
5.3 Chemical composition, density, hardness, and metal structure inspection can be used to extract the same sample上运动，resistance rate measurement is in the same technology and same material as another method. The rest are 4.0 grade, chemical composition, resistivity and metal structure defects, the qualified quality level is 10 grade. 5.5 in the first inspection, if only one of the properties does not meet the requirements, then it meets the conditions of the second inspection , it can only be tested for the property that does not qualify.和发水性数以与不正解数数见脚货C的表C1。 5.6 水性的电视头电影不数数的数以于全记分分长数数。 5.7 user verification 合在收货二月内演物本电影这些方法天没。 天沿不合乎本标准是代则应于收货二月内官方触头电视单作。
6.1. Electrical contact product marking shall be carried out in accordance with the requirements of GB5587. 6.2 Each batch of products should be accompanied by a product certificate and quality assurance certificate, and should be stamped with the seals of the inspector and the technical quality inspection department. 6.3 The product certificate should indicate:
a.
b.
c.
d.
e
Contact product name (or representative symbol), model or size specification and batch number; number of contacts (number or net weight);
inspection date;
name of manufacturer;
name of inspector (or code) or the seal of the inspection department. 6.4 The content of the product quality guarantee should include: a.
b.
c.
d.
e.
f.
Product name (or representative symbol), model or size specification and batch number; number of contacts (number or net weight);
Photos of product physical properties and metallographic structure; inspection date;
Manufacturer name :
Inspector’s name (or code) or inspection department (seal) 6.5 Electrical contact products should be packaged according to the same model and size specifications in the same batch. 6.6 Electrical contact products with a unit weight less than or equal to 10g should be packaged in plastic bags, each bag is 1kg. The plastic bags should not contain sulfur and chlorine corrosive gases, and moisture-proof measures should be taken. After the plastic bags are sealed, they should be put into cartons. One bag in a box, the single weight of the contacts is more than 10g, depending on the weight and shape, 20 to 25 pieces or individually sealed in a small plastic bag, and then boxed, and measures should be taken to prevent the contacts from being rubbed and moisture-proof, each box The weight should not exceed 2kg. The contact name, specifications and factory name should be marked on the outside of the box. The product certificate and quality guarantee certificate should be included in the box. 6.7 Electrical contact products packed in plastic bags or boxes should be shipped in packaging boxes and filled with soft materials. The weight of each box should not exceed 15kg; the packaging should comply with the regulations of the railway transportation and postal departments. 6.8 There should be a label in the packaging box. Packing list, the packing list should include: a.
b.
c.
The total number of bags and boxes);
Various models or sizes of electrical appliances Number of bags (boxes) of contacts; net weight of electrical contacts;
packaging date;
d.
e.
seal of the packer.
6.9 The outside of the packaging box should be marked:
Manufacturer name and address
Gross weight and net weight:
Moisture-proof and shock-proof marks
GB 13397-92| |tt||6.10 Electric contact products should avoid severe vibration during transportation to avoid mechanical damage. Electric contact products should be stored in a warehouse without strong media to prevent damage. ,
t.
-
t.
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