Digital research content of engine block casting
Based on the actual casting cases of cylinder block castings collected from domestic foundry enterprises, combined with the existing achievements […]
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Casting technology of ductile iron piston
The casting properties of ductile iron have the following characteristics ① The content of sulfide and oxide in molten iron
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Application of database technology in foreign foundry industry
In the field of digital casting abroad, it is more reflected in the whole process automation of casting process. Kurtz
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Application of database technology in foundry industry of China
At present, in the field of digital casting, domestic research focuses on the development and application of digital casting database
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Metallographic structure defect of heavy section position of nodular cast iron into cylinder
The floating of graphite and abnormal shape of graphite in the center is a kind of metallographic structure defect associated
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Research status of casting and riser technology for engine cylinder block
It has been proved by a lot of practice that the process design of gating system is the key problem
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Present situation of casting technology and equipment for engine block
The State Key Laboratory of advanced forming technology and equipment of China Academy of Mechanical Sciences has systematically studied the
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Present situation of casting technology for engine block
Material, mold, core making and inspection are the four basic aspects of engine block casting, which run through the whole
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Present situation of casting engine block in China
Large and medium-sized engine is an important power source of mechanical equipment, which is widely used in automobile, ship, engineering
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Application of forming manufacturing technology in modern machinery manufacturing industry
Molding manufacturing technology can be used not only in functional testing, but also in product conceptual design, and also in
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Principle and characteristics of forming manufacturing technology
Layered solid manufacturing The foil of hot melt adhesive is painted on one side, and the parts are heated. In
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Overview of molding manufacturing technology
The pillar industry of China’s economic development is the modern machinery manufacturing industry. In order to promote the sound and
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Effect of process parameters on solid-liquid segregation in semi-solid die casting with thick wall
Solid liquid segregation is one of the main defects in thick wall products. Under the condition of good feeding condition
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Influence of process parameters on semi solid die casting thick wall casting
The influence of process parameters on the shrinkage cavity and porosity in the semi-solid die casting process was studied by
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Statistical analysis method of solid-liquid segregation in semi-solid die-casting thick wall castings
In the process of analyzing the solid-liquid segregation, in order to identify the bright white cxal grains and the dark
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Study on the influence of process parameters on shrinkage cavity and porosity of semi solid die casting thick wall casting
Semi solid die casting is different from the traditional liquid die casting, which is mainly reflected in the different slurry
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Effect of mold temperature on shrinkage and porosity of semi solid die casting thick wall castings
In this experiment, the method of controlling variables is adopted. The mold temperature is set as 230 ° C, 140
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Statistical analysis method of shrinkage cavity and porosity in semi solid die casting thick wall casting
Shrinkage porosity defect is the key research object of this project. The observation method for this defect is fluorescence penetration
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Effect of handle thickness on shrinkage cavity and porosity of semi solid die casting thick wall casting
In this test, the control variable method is adopted, and the material handle thickness is set as 16mm, 31mm, 42mm
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Test of shrinkage porosity mechanical properties of semi solid die casting thick wall products
Vickers hardness measurement The unit of hardness measured is micro Vickers hardness. When hv-30 Vickers hardness tester is used, the
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Microstructure analysis of semi solid die casting thick wall casting
During the preparation of metallographic samples, sawing, cutting, grinding, polishing and other processes are required. After the blank samples to
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Effect of pressurization pressure on shrinkage porosity of semi solid die casting thick wall castings
In this test, the method of variable control was adopted. Under the condition of other parameters unchanged, the boosting pressure
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Shrinkage porosity and segregation of semi solid die casting thick wall products
(1) Aiming at the common shrinkage and porosity defects in semi-solid die-casting thick wall products, the microstructure analysis and mechanical
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Research status of solid-liquid segregation in semi-solid die casting
Solid liquid segregation is a typical semi-solid defect in thick wall products. It refers to the uneven distribution of solid
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Feeding mechanism of semi solid die casting slurry
In semi-solid casting, in order to reduce or even eliminate the shrinkage cavity and porosity defect, the surplus slurry is
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Microstructure analysis of shrinkage porosity of semi solid die casting thick wall products
1 metallographic structure analysis The optical microscope (OM) used in this experiment is axiovert 200, and the magnification is 25,
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Shrinkage mechanism of semi solid die casting slurry
The traditional liquid die casting metal from liquid solidification to solid state needs first liquid shrinkage in pure liquid state,
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Brief introduction of shrinkage cavity and porosity in semi solid die casting
In the defect analysis of semi-solid thick wall products, shrinkage cavity and porosity are the typical defects studied. In the
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Advantages of die casting semi solid forming technology
Due to the characteristics of semi-solid slurry, semi-solid forming has the following natural advantages over other casting methods (1) In
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Preparation of semi solid slurry for semi solid die casting
The preparation of semi-solid slurry is the most important part of semi-solid forming technology. With the continuous development in recent