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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Practical application of automatic casting cleaning production line
At present, there is a production line of a casting factory, with CNC multi axis grinding machine, mechanical arm, automatic
Scientific
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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Solution concept of casting cleaning automation equipment
According to the actual situation of the current domestic foundry industry development, combined with the production technology, the effective equipment
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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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Problems and solutions of casting cleaning automation process
1. Expensive equipment and high cost After investigation, it can be found that the reason why the grinding field has
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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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Casting defects of a high class valve body
In the whole pressure pipeline system, valve is the key control device. Its main function is to connect or block
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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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Solution of shrinkage defect in die casting front cover by local extrusion
1. Analysis of extrusion position Because the leakage position is between the two oil passages on the moving die side,
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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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Experimental scheme of split Hopkinson pressure bar for vermicular graphite cast iron.
Hopkinson pressure bar equipment can flexibly replace sleeves of different diameters, corresponding to incident rods and transmission rods of corresponding
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Automatic cleaning and grinding technology of steel castings
As a big foundry country, the development level of China’s foundry industry is constantly improving. However, the problem of casting
Scientific
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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Establishment of constitutive equation of coiled graphite cast iron GJY450
The relationship between stress, strain, strain rate and temperature of materials is its inherent property. There are many studies on
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Solution of shrinkage defect in die casting front cover
With the development of automobile manufacturing industry, the requirement of reducing energy consumption is higher and higher. Automobile parts are
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Development and research of vermicular graphite cast iron
In the 1950s, kdmills and other scholars discovered vermicular graphite cast iron, but it did not attract attention at that
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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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Technology of wear resistant transmission connecting rod for automobile turbocharger
1. Process arrangement The whole process of turbocharger wear-resistant transmission connecting rod is as follows: 1.1 Division of processing stages
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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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Technical difficulties of automobile clutch Flywheel Casting
The structure of clutch flywheel casting is shown in Fig. 1. It is a typical small disc casting with diameter
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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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Application of wedge block in casting process of automobile clutch flywheel
The clutch flywheel is one of the main parts of the automobile transmission mechanism, which is the key to cut
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Experimental verification of slag inclusion defect of brake shell produced by Lost Foam Casting
In order to verify the correctness of defect cause analysis, the project team carried out process verification test. The test
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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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Slag inclusion defects of brake shell in Lost foam casting production
Lost foam casting technology is widely used in the foundry industry because of its advantages of small investment, low energy
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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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Casting technology of excavator guide wheel
With the continuous development of mechanization and integrated construction in China, the scale of construction machinery industry has been expanded
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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