Application prospect of high Si nodular cast iron
Table 1 shows the impact absorption energy of nodular cast iron V-notch samples at different ambient temperatures. The samples are […]
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Design of gating system in lost foam casting process
Compared with the traditional sand casting, the process of lost foam casting is much more complex, so the design of
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Process performance analysis of Wheel Castings
1. Model establishment Figure 1 is a three-dimensional part drawing of the wheel of a mining flat car, with an
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Casting process of mining flat car wheel castings
Wheel is one of the important parts of mining flat car. It needs to bear large alternating stress and bending
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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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Riser design of lost foam casting process
Generally, the commonly used forms of lost foam casting risers are waist, cylindrical and spherical. Under the condition of the
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Inspection of nodular cast iron automobile brake caliper castings
1. Chemical composition detection Arl3460 direct reading spectrometer is used for chemical composition detection, and the chemical composition detection results
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Smelting of high quality steel castings
With the acceleration of social development in China, the production technology and level of all sectors of society have also
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Microstructure analysis of gray cast iron
Graphite in gray cast iron is a weak phase, and its strength is close to zero. If there is a
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Production verification of nodular cast iron automobile brake caliper casting
1. Molding sand properties In order to ensure good surface quality of castings, the performance of green molding clay sand
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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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Application of rare earth in cast steel
The history of the application of rare earth in the field of steel casting can be traced back to the
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Three dimensional model design method for riser of steel castings
1. Local modulus extraction of 3D model In the production process, the riser design of steel castings conforms to the
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Preparation and test methods of gray cast iron specimen materials
Gray cast iron with different carbon equivalent Ce (3.2%, 3.4%, 3.6%, 3.8%, calculated by ce=si/3+ct, Si is taken as the
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Production example of large steel casting molding process
1. Production examples of Shanghai Heavy Machinery Factory Co., Ltd Located in Minhang District of Shanghai, Shanghai Heavy Machinery Works
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Casting technology of nodular cast iron automobile brake caliper
1. Layout design Disa230b vertical parting boxless injection molding machine is adopted, and the size of molding machine plate is
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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 nodular iron shell castings and original lost foam casting process
As shown in Figures 1 and 2, the lost foam casting is a shell part with a maximum size of
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Effect of rare earth on as cast microstructure of cast steel
Many researchers have found that rare earths have the effect of refining grains. The reason is that on the one
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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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Friction and wear properties of gray cast iron surface after graphitization annealing
Friction and wear tests were carried out on three gray cast iron samples annealed at 700 ℃, 800 ℃ and
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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