Effect of vacuum degree on mold filling and solidification of lost foam casting
In the process of lost foam casting pouring, vacuum the sealed sand box to generate negative pressure in the mold, […]
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Optimization of casting process for gray iron castings of large engine oil pan
The optimized casting process is shown in Figure 1. The production method of flat casting is adopted, the parting surface
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Introduction and characteristics of process design of nodular iron castings
When discussing the original process design of nodular iron castings, it is considered that there is a large hot spot
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Influencing factors of mold filling and solidification in lost foam casting
The mold filling ability of liquid metal in lost foam casting is the ability of liquid metal to fill the
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Lost foam casting process of nodular cast iron vacuum pump shell casting
The shell of the water ring vacuum pump used by ZHY Casting is welded with steel plates and processed into
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Casting technology of engine block
With the gradual increase of environmental protection, low energy consumption, low emissions and low pollution have become the goals of
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Optimization of smelting process in high quality production of steel castings
In view of the metallurgical quality requirements of high-quality steel castings, it is obviously incompatible to use the original smelting
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Mold filling and solidification in lost foam casting
Many advantages of lost foam casting technology come from the fact that it does not need to take the mold,
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Application of zirconium free composite coating on steel castings
In China’s casting industry in recent years, the output of steel castings has increased year by year, reaching 5.9 million
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Basic theory of numerical simulation of lost foam casting
The numerical simulation technology of lost foam casting is a comprehensive and knowledge intensive technology which integrates partial differential equation,
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Advantages of steel castings
Cast steel is the steel used to make cast iron. In the case of high casting production intensity and insufficient
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Overview of lost foam casting numerical simulation technology
In recent years, with the development of casting numerical simulation technology, there are many achievements in the application research of
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Advantages and disadvantages of high Si nodular cast iron
1. Advantages Referring to the Research Report of zhangboming et al. And in combination with the analysis and research of
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Influence of coating index on casting quality
Influencing factors of sand sticking defects of castings: unreasonable chemical composition of casting coatings; Insufficient fire resistance; Insufficient coating thickness;
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Research status of casting numerical simulation technology in China
Compared with foreign research, domestic research started late, and domestic research on casting numerical simulation technology began in the 1970s.
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Structure and technical requirements of nodular cast iron automobile brake caliper castings
With the rapid development of the automotive industry, the requirements for automotive castings are getting higher and higher, and the
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Research on foreign casting numerical simulation technology in the 1990s
In 1991, P. Jonsson simulated the filling process of cylindrical cavity in three cases. In laminar flow, Bernoulli equation is
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Characteristics of molding process for large steel castings
1. Application of resin sand process Ordinary sodium silicate sand process has been used in the production of large steel
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Centrifugal casting process of bimetal composite roll
China’s iron and steel industry has developed rapidly, and its output has ranked first in the world for many years.
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Effect of low carbon equivalent on Microstructure and properties of gray cast iron
Gray cast iron has become the preferred material for automotive parts such as engine and cylinder block because of its
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Comparison of sodium silicate sand and resin sand used in steel casting production
Because of some inherent shortcomings of sodium silicate sand, for example, the amount of sodium silicate added is high, which
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Modeling technology of large steel castings in China
Large steel castings generally refer to steel castings with a single gross weight of more than 5 t. With China’s
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Research on foreign casting numerical simulation technology in 1980s
In the 1980s, j.t. berry, a professor of Georgia Institute of technology and R.D. pehlkc, a professor of Michigan IL
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Modification of inclusions in cast steel by rare earth
The inclusions in cast steel have an important impact on the properties of cast steel products. Domestic and foreign scientific
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Microstructure and properties of cast iron alloy by vibration lost foam casting
The purpose of combining mechanical vibration with lost foam casting technology is to solve the problems of coarse structure and
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OpenCascade environment framework and 3D rendering of steel castings
1.3D modeling system framework based on OpenCascade WxWidgets is used as the development tool of the system interface and the
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Position of white zone in nodular cast iron and its influencing factors
The existence of white zone is one of the characteristics of austempered ductile iron. Quenched martensite and retained austenite are
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Testing methods for casting coatings
Generally, for a qualified casting coating product, in order to ensure the normal realization of the function of the casting
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Research on foreign casting numerical simulation technology in 1970s
In the 1870s, many researchers from Michigan University led by R.D. pehlke and Marrone simulated the solidification process of “t”
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Application of rare earth in cast steel
Rare earth (RE) is the general name of 17 metal elements including lanthanide, scandium and yttrium in the periodic table