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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Research and development of high strength and high plasticity pearlitic ductile iron
Foreign R & D Some foundry companies such as GF, Fiat and FCD have established enterprise standards and started to
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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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Characteristics of as cast high strength and high plasticity pearlitic ductile iron
The characteristics of as cast high strength and high plasticity pearlitic ductile iron are as follows: (1) Compared with ordinary
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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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Domestic as cast high strength and high plasticity ductile iron
At present, there are two kinds of as cast high strength and high plasticity ductile iron in China： The first
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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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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
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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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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
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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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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