Method for calculating and choosing machining fit parameter of graphite electrode body and connector
A graphite electrode and machining technology, which is applied in the field of calculating and selecting the parameters of the graphite electrode body and the mechanical machining of the joint, can solve the problems such as the development speed of the graphite electrode and the characteristics of the use environment of the graphite material itself.
Active Publication Date: 2015-09-16
中国平煤神马控股集团有限公司 +1
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[0004] The purpose of the present invention is to provide a method for calculating and selecting the mechanical processing matching parameters of the graphite electrode body and the joint, aiming at solving the problem that the setting method of the existing processing matching parameters is not suitable for the development speed of the existing graphite electrodes and the graphite material itself and the characteristics of the use environment
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[0095] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0096] figure 1 The flow chart of the method for calculating and selecting the mechanical processing matching parameters of the graphite electrode body and the joint is shown. As shown in the figure, the present invention is realized in this way, a method for calculating and selecting the mechanical processing matching parameters of the graphite electrode body and the joint , this method calculates the temperature field distribution of the graphite electrode body and joints under the conditions based on the physical property conditions, service conditions and boundary conditions of the carbon m...
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The invention discloses a method for calculating and choosing a machining fit parameter of a graphite electrode body and a connector. The method includes determination of physical parameters of a graphite electrode, simulation of the temperature field of the ultrahigh-power graphite electrode in use, simulation of the stress field of the ultrahigh-power graphite electrode in use, calculation of the strain and deformation of the ultrahigh-power graphite electrode in use and visualized output of simulation system software. The method is used for calculating the temperature field distributions of the graphite electrode body and the connector under the physical conditions, use conditions and boundary conditions of carbon material on the basis of the conditions, the stress field distribution of the graphite electrode caused by the temperature field is simulated according to temperature field distribution data, so that the strain displacements of the graphite electrode body and the connector are worked out, finally, a machining fit parameter range, which can meet the strain displacements, of the graphite electrode body and the connector is worked out, and an optimal fit parameter is chosen.
Description
technical field [0001] The invention belongs to the technical field of electric furnace steelmaking, and in particular relates to a method for calculating and selecting mechanical processing matching parameters of a graphite electrode body and a joint. Background technique [0002] With the rapid development of the steel industry, the capacity of electric furnaces is increasing, and the size of graphite electrodes required is also increasing. Graphite electrodes are prone to breakage and other accidents during use, and most of the breakage occurs in the threaded connection, so improving the strength of the threaded connection has become a problem. The strength of the graphite electrode thread connection mainly depends on the matching relationship between the electrode hole and the joint. Graphite materials are different from steel materials for general threads, and have their unique characteristics. Moreover, graphite electrodes are used in the steelmaking process, which be...
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Inventor 张梅先陈文来叶保卫王华贾庆远李明杰刘志超王书卿薛铜龙郑建华陈敬全
Owner 中国平煤神马控股集团有限公司