Heat transfer in lost foam casting solidification process
The solidification process of castings includes phase change, heat and mass transfer, and the heat transfer phenomenon is in the […]
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Stress and deformation analysis of frame sand casting process
Figure 1 shows the displacement and overall deformation distribution of sand casting frame after cooling, dropping and unpacking. As can
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Effect of pattern density on mold filling speed of liquid metal in Lost Foam Casting
The test results are shown in the table. Pattern density (g/I) Total mold filling time (s) Average filling speed (cm/s)
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Analysis of residual stress in cooling process of frame sand casting process
After the sand casting frame is poured, it is cooled in the mold cavity until the central riser reaches a
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Effect of negative pressure on filling speed of liquid metal in lost foam casting
In the filling process of liquid metal in gray iron lost foam casting, there is an air gap between the
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Effect of pouring temperature on mold filling speed of gray cast iron lost foam casting
The test results are shown in the table: Pouring temperature (℃) Total mold filling time (s) Average filling speed (cm/s)
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Analysis of hot cracking trend in solidification process of frame sand casting process
In the post-processing results of stress field in ProCAST software, there is an option to judge the hot crack trend
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Distribution of thermal stress field during solidification of frame sand casting process
Due to the thick section structure and long solidification time of sand casting frame steel castings, the stress field in
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Properties of bimetal composite pipe by centrifugal casting
High wear resistance, high hardness and good toughness are important indexes of bimetal composite pipe, which are directly related to
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Analysis of temperature variation curve of frame sand casting process
In order to specifically and clearly study the temperature change of different parts of the rack with time, it is
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Cloud diagram of temperature distribution at typical time of frame sand casting process
The simulation analysis of the temperature field of the frame in sand casting includes the solidification of the frame in
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Setting of thermophysical parameters of frame sand casting
The setting of thermophysical parameters in the simulation process includes the determination of sand casting – zg230-450 and mold –
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Establishment of finite element model of frame sand casting process
1) Establishment of 3D solid model There is no solid modeling function in ProCAST software, and the three-dimensional solid model
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Bonding interface of bimetal composite pipe by centrifugal casting
The quality of bimetallic composite pipe has always been the focus of research, and its bonding interface directly affects its
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Analysis of sand mold casting process for frame
1) Production process of frame sand casting The sand casting of the frame adopts the pit shape and box cover,
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Quality control technology for melting nodular cast iron melt in medium frequency furnace
1. Chemical composition design When the diameter of roll body is more than 600 mm, the carbon equivalent is 3.8%
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Prediction criterion of shrinkage porosity in sand castings
According to the formation mechanism of shrinkage cavity and porosity in sand casting and based on the numerical simulation of
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Factors affecting the quality of nodular cast iron roll produced by medium frequency furnace
1. Main quality problems of rolls Produced φ 800 mm × 1880 mm high chromium cast iron roll (as shown
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Three dimensional heat transfer mathematical model of solidification process in sand casting
The three-dimensional heat transfer mathematical model of numerical simulation of solidification process of sand casting is unsteady heat conduction partial
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Verification of simulation results of horizontal centrifugal casting of cylinder liner
As shown in the figure, it is produced with the help of computer simulation φ 400mm and φ Rough finished
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Basic mode of heat transfer in solidification process of sand casting
According to the theory of heat transfer, the process of sand casting high-temperature metal from pouring into the mold to
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Analysis of pressure field in horizontal centrifugal casting of cylinder liner
The figure below shows the simulation results of the pressure field distribution of molten metal at the completion of pouring.
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Metallographic analysis of 5083 aluminum alloy casting plate
1. Size of compound phase Figure 1 shows the microstructure of the defective sample and the normal sample. Through comparison,
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Pouring system of gray cast iron thin wall gearbox shell before lost foam casting improvement
Based on the existing working conditions of the factory (sand box size, sprue specification, ladle specification, automatic pouring line, etc.),
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Centrifugal casting process of bimetal composite pipe
As a key structural member in mining, metallurgy, coal, electric power and other industries, the composite seamless pipe is just
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Improvement method of shrinkage casting defects of special alloy gray cast iron
1. Improve the temperature field of castings Through the simulation of the overall temperature field of the casting with the
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Introduction of lost foam casting of gray cast iron thin wall gearbox shell
1. Production conditions of Lost Foam Casting Thin-wall gray cast iron gearbox shell The production conditions and parameters of Lost
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Analysis of temperature field in horizontal centrifugal casting of cylinder liner
Figure 1 shows the simulation results of temperature field in the process of filling, solidification and cooling of liquid metal
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Nodular ductile iron spent fuel storage and transportation container
In the 1980s, Siempelkamp company of Germany successfully developed castor series nodular cast iron transport containers. Compared with other metal
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Grid division of centrifugal casting for super large high molybdenum cast iron cylinder liner
Man28-33d wet cylinder liner is selected as the research object. The blank length of cylinder liner is 686mm and the