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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casting porosity
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Causes of shrinkage cavity and porosity casting defects
There are many reasons for shrinkage and porosity casting defects in castings. Deficiencies in product structure, smelting process, core sand,
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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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Production control of shrinkage cavity and porosity defects of steel castings
The complete production process of a casting product includes product design, process design, casting blank production, heat treatment and machining.
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Shrinkage porosity and shrinkage cavity defects of wet molding clay sand steel castings
The shrinkage porosity and shrinkage cavity defects in the production of Wet Mold clay sand steel castings are mainly related
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Simulation of shrinkage porosity and shrinkage cavity defects in bowl lined steel castings
Bowl lining steel castings are the products produced by the machinery factory of Shougang Mining Company. The material is wear-resistant
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Judgment of shrinkage porosity and shrinkage cavity defects of castings
The practical and reliable criterion of shrinkage porosity and shrinkage cavity defect is the most key content for the accurate
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Prediction and data simulation of shrinkage cavity and porosity defects in steel and iron castings
More advanced methods are adopted to accurately predict the shrinkage cavity and porosity defects in the solidification process of steel
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Display diagram of shrinkage porosity and shrinkage cavity defects of sand castings
The display of target data such as casting defects is an important part of 3D data field visualization of numerical
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Calculation example of shrinkage porosity and shrinkage cavity defects in nodular iron castings
For the simulation of nodular iron castings, the following simulation test is carried out by taking the actual nodular iron
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Prediction of shrinkage porosity defects in nodular iron castings
The formation of shrinkage porosity is due to the wide crystallization temperature range of the alloy, which tends to paste
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Shrinkage cavity and porosity defects of steel casting and iron casting
The foundry industry has a civilization history of more than 6000 years in China, and now it is facing the
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Prediction of shrinkage porosity and shrinkage cavity defects in sand castings
1.Principle introduction During metal solidification, the volume shrinkage and solidification shrinkage between liquid and solid phase lines are the main
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Determination method of isolated hot spot and prediction algorithm of shrinkage cavity and porosity defects in sand castings
Shrinkage cavity and porosity defects are common defects in casting production. One of the purposes of numerical simulation of casting
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Prediction of shrinkage porosity and cavity defects in castings
After years of development, the prediction criterion of shrinkage porosity and shrinkage defects of steel castings has reached a high
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Prediction of shrinkage porosity and cavity defects in numerical simulation solidification process
Shrinkage cavity and porosity defect is one of the most common defects in the casting process. The prediction of the
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Avoid shrinkage cavity and porosity defects of steel castings
Many parts of construction machinery such as bulldozers and excavators are cast steel castings, which often have shrinkage defects. Light
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Shrinkage cavity and porosity defect of steel castings
The defects of shrinkage cavity and porosity are briefly introduced. Combined with the theories of filling capacity of liquid metal,
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Control of shrinkage cavity and porosity defects of steel castings
Different steel casting production processes determine different production processes, but they can be basically divided into process design, model making,
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Improvement of shrinkage cavity and porosity defects of steel castings
The traditional process tooling design is carried out for the bracket steel castings of a certain construction machinery. According to
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Eliminating shrinkage cavity and porosity defects of steel castings
The traditional steel casting process design is analyzed through examples, and the shortcomings of the traditional process design are analyzed
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Prediction of shrinkage cavity and porosity defects in steel castings
The shrinkage rate prediction module is used to predict the distribution of shrinkage defects. When the simulation results show that
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Characteristics of porosity and shrinkage defects in medium and large steel castings
Fig. 1 the visual characteristics of air hole defects on the upper surface of steel casting hub are round, the
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Porosity casting defects in lost foam casting of steel castings
According to the causes, the pores produced by lost foam casting steel castings are divided into the following four categories.
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Prediction of shrinkage cavity and porosity defects of beam of large steel casting rotary crusher
Shrinkage cavity and porosity are two common casting defects in large steel castings. They are mainly distributed in the last
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Prediction of shrinkage cavity and porosity casting defects during solidification of steel castings
In the production of steel castings, the most common casting defects are shrinkage cavity and porosity. The main purpose of
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Prediction of shrinkage cavity and porosity casting defects during solidification of steel castings
In the casting production of steel castings, the most common defect is shrinkage cavity and porosity casting defect, and the
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Prediction of shrinkage porosity and cavity casting defects by critical solid rate method
Shrinkage cavity and porosity casting defect is a hole that occurs when the temperature of molten metal decreases during solidification
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Shrinkage cavity shrinkage porosity casting defect volume
After mold filling, the volume VL ‘of molten metal in the casting is equal to the cavity volume VL minus
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Lost foam casting defects
Wrinkle casting defect Wrinkle defect is due to polystyrene foam in high temperature metal pyrolysis to form a large amount