Prediction of porosity and shrinkage defects in sand casting
Shrinkage and porosity defects are common defects in sand casting production. The main purpose of numerical simulation of temperature field […]
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sand casting
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Thermoelastoplastic model in thermal stress model of sand casting
At present, the THERMOELASTIC-PLASTIC model in the thermal stress model of sand casting is widely used. The model does not
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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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Numerical simulation of water glass sand casting process of rolling mill frame
Reasonable experimental device is designed for the measurement of thermophysical parameters of glass quartz sand used in actual sand casting
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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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Numerical simulation of sand casting process
With the rapid development of China’s energy, metallurgy and other industries, the trend of large-scale equipment urgently needs high-quality steel
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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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Development of numerical simulation of sand casting in China
China has also carried out numerical simulation research on solidification of sand castings since 1978. Although it started relatively late,
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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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Foreign progress in numerical simulation of sand casting
The research field of Solidification Numerical Simulation of sand castings abroad started early, which began in the 1960s. Its development
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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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Present situation of sand casting production of rolling mill frame
The frame is the key bearing part of all kinds of rolling mills. When rolling products, all kinds of rolling
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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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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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Design of heating subsidy for sand casting dual phase steel castings
1. Design of metal subsidy for sand casting In order to facilitate the comparison and production of subsidies, only the
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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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Application of heating subsidy in sand casting production of dual phase steel castings
In sand casting production, metal subsidies are often set to extend the feeding distance of the riser. In most cases,
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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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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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Low pressure sand casting of aluminum alloy complex thin wall parts
1. Selection of casting method The wall thickness of the casting is thin, the flow resistance of the molten metal
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Sand mold low pressure casting of aluminum alloy complex thin wall parts
Aluminum alloy castings are widely used in railway, military, aerospace, automotive, medical and other fields because of their good comprehensive
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Sand casting technology of shearer rocker arm shell
If the sand mold casting process is unreasonable, the local hot spots of the casting shell will increase. In order
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Sand casting of shearer rocker arm shell
Rocker arm shell is one of the important parts of shearer. The rocker arm shell of the shearer is a
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Simulation technology of sand casting
The development of sand casting process simulation technology is closely related to the development of computer technology. Since 1962, scientists
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Prediction of shrinkage porosity defects in sand castings
The prediction of shrinkage defects in sand castings during solidification is mainly realized by using shrinkage defect criterion. Shrinkage porosity
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Countermeasures for sand casting defects of steel castings
According to the above casting defect analysis and countermeasures, a new process diagram is finally formed, as shown in Figure
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Analysis of production defects in sand casting of steel castings
(1) The section diagram corresponding to the casting defect I is shown in Figure 1. The casting defect I occurs
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Production verification of sand casting of steel castings
1.Mold making and trial production According to the designed process drawing and tooling drawing, the die quotation is carried out.