Effect of solidification pressure on eutectic morphology of near eutectic chromium white cast iron
The metallographic structure shown in the figure is the metallographic structure photo of near eutectic alloy 2. It can be […]
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Solidification test and mechanical properties test of chromium white cast iron by pressure casting technology
1. Hardness test (1) Macrohardness Thbrv-187.5 electric broville hardness tester is mainly used for macro hardness analysis of samples. As
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Microstructural analysis method for solidification test of chromium white cast iron by pressure casting technology
1. Sample preparation (1) Sample grinding and polishing Use pg-2da metallographic sample polishing machine to pre grind the sample with
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Experimental process of solidification structure of chromium white cast iron by pressure casting technology
1. Alloy melting The alloy was melted in 500 kg medium frequency induction furnace in air atmosphere. The raw materials
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Test equipment for solidification structure of chromium white cast iron by pressure casting technology
The main equipment of pressure casting experiment includes liquid die forging machine, special concave convex die, pouring ladle and pouring
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Material selection for solidification structure test of chromium white cast iron by pressure casting technology
The raw materials used in the experiment are two kinds of alloy composition, including low chromium hypoeutectic white cast iron
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Solidification structure of chromium white cast iron was modified by pressure casting technology
The purpose of this study is to modify the solidification structure of chromium white cast iron by pressure casting. The
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Research status of pressure casting of chromium alloys
The solid-liquid phase transition process changes greatly under pressure. With the increase of the temperature of the solid-liquid phase line,
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Effect of solidification parameters on Microstructure of cast chromium alloy
The effects of pressure on solidification structure, including nucleation rate, undercooling and diffusion coefficient of alloy elements, provide a good
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Effect of pressure on solidification of cast chromium alloy
The solidification process can be regarded as a binary system with solid-liquid two-phase equilibrium. The degree of freedom of the
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Study on tool Wear of PCBN Cutter in Milling vermicular Graphite cast Iron
Many studies have shown that the tool life of cutting vermicular graphite cast iron is 1/10 of that of cutting
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Application and control of casting coating density
Uniform and stable coating composition is the basis to ensure the coating process performance, which belongs to static control for
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According to the casting defects of gray cast iron cylinder body, type selection and coating formulation are developed
For different casting defects (such as sand sticking, porosity, sintering, veining, shrinkage porosity at hot spot, etc.), the foundry should
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The coating for gray cast iron cylinder block is selected according to the core assembly process and sand core
The gray cast iron cylinder body adopts the traditional horizontal pouring process, the sand core is dipped with coating respectively
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Optimization and simulation analysis of casting process
1. Defect analysis of original process plan In the original process, two blind risers are set at positions a and
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Basic information of casting product for a high class valve body
1. Product structure and technical requirements The diameter of valve body is ϕ 254 mm, the maximum outline size of
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Improvement of casting process for automobile clutch flywheel
1.Runner 2. Runner cup 3. Riser 4, 5, 6. Ingate 7. Lap sheet 8. Sprue 9. Annular runner The original
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Analysis of slag inclusion in brake shell produced by Lost Foam Casting
1.Current process Due to the serious slag inclusion problem, the white mold material is replaced by stmma, the specific gravity
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Improvement of casting process for excavator guide wheel
1、 Improvement measures for defects such as sand hole and air hole are as follows. 1) Properly increase sand mold
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Analysis of casting process of excavator guide wheel and confirmation of main factors
Through the analysis of the failure parts by using the main factor diagram method, the causes of the fracture of
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Riser design of high carbon steel roll casting
Riser is a kind of structure for storing liquid metal in the mold, which is used to compensate the possible
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Riser design of high carbon steel roll casting
Through the observation of the defects, it is found that the defects are shrinkage porosity and shrinkage cavity, which are
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Finite element analysis of casting process scheme for extra large crusher frame
1. Static structural analysis Finite element static structural analysis is carried out for the box type and deep cavity type
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Scanning detection process and image generation of casting water cooled shell sample
After the sample navigation is completed, the detection can be started, as shown in Figure 1. Move the sample table
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Structural characteristics of water cooling shell and analysis of internal defects of castings
As shown in Figure 1, a low-pressure casting water-cooled housing for electric bus is in the shape of a drum
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The second and third trial production of cylinder head castings
The original material of zc170 cylinder head is HT300, the technical requirements are WCu = 0.5% ~ 0.8%, WCR =
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First trial production of cylinder head casting
1. Primary raw materials Q12 pig iron, industrial scrap, vermicularizing agent (wre = 9% – 11%, WMG = 4% –
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Controversy on the influence of metallurgical factors on shrinkage cavity and porosity of ductile iron
It is very important to select the appropriate carbon equivalent or carbon silicon content for the production of sound castings
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Effect of metallurgical factors on shrinkage cavity and porosity of ductile iron
1. Carbon, silicon and carbon equivalent When the carbon equivalent is at the eutectic point, the casting process performance is
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Analysis and prevention measures of blowhole defect in nodular cast iron roller
1. Defect analysis (1) The inner cavity of the cylinder body is a long strip-shaped sand core, and the gas