Advantages of steel castings
Cast steel is the steel used to make cast iron. In the case of high casting production intensity and insufficient […]
Cast steel is the steel used to make cast iron. In the case of high casting production intensity and insufficient […]
Figure 1 shows the mechanical properties of gray cast iron materials with different carbon equivalents. It can be seen that
1. Process parameter setting C Si Mn P S 0.45~0.55 0.20~0.40 1.50~1.80 ≤0.030 ≤0.030 According to the national standard jb/t
In order to ensure the smooth operation of the overall process of cast steel production, while taking into account the
Table 1 shows the impact absorption energy of nodular cast iron V-notch samples at different ambient temperatures. The samples are
Compared with the traditional sand casting, the process of lost foam casting is much more complex, so the design of
1. Model establishment Figure 1 is a three-dimensional part drawing of the wheel of a mining flat car, with an
Wheel is one of the important parts of mining flat car. It needs to bear large alternating stress and bending
In recent years, with the development of casting numerical simulation technology, there are many achievements in the application research of
1. Advantages Referring to the Research Report of zhangboming et al. And in combination with the analysis and research of
Generally, the commonly used forms of lost foam casting risers are waist, cylindrical and spherical. Under the condition of the
1. Chemical composition detection Arl3460 direct reading spectrometer is used for chemical composition detection, and the chemical composition detection results
With the acceleration of social development in China, the production technology and level of all sectors of society have also
Graphite in gray cast iron is a weak phase, and its strength is close to zero. If there is a
1. Molding sand properties In order to ensure good surface quality of castings, the performance of green molding clay sand
Influencing factors of sand sticking defects of castings: unreasonable chemical composition of casting coatings; Insufficient fire resistance; Insufficient coating thickness;
Compared with foreign research, domestic research started late, and domestic research on casting numerical simulation technology began in the 1970s.
The history of the application of rare earth in the field of steel casting can be traced back to the
1. Local modulus extraction of 3D model In the production process, the riser design of steel castings conforms to the
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
1. Production examples of Shanghai Heavy Machinery Factory Co., Ltd Located in Minhang District of Shanghai, Shanghai Heavy Machinery Works
1. Layout design Disa230b vertical parting boxless injection molding machine is adopted, and the size of molding machine plate is
With the rapid development of the automotive industry, the requirements for automotive castings are getting higher and higher, and the
In 1991, P. Jonsson simulated the filling process of cylindrical cavity in three cases. In laminar flow, Bernoulli equation is
As shown in Figures 1 and 2, the lost foam casting is a shell part with a maximum size of
Many researchers have found that rare earths have the effect of refining grains. The reason is that on the one
1. Application of resin sand process Ordinary sodium silicate sand process has been used in the production of large steel
China’s iron and steel industry has developed rapidly, and its output has ranked first in the world for many years.
Friction and wear tests were carried out on three gray cast iron samples annealed at 700 ℃, 800 ℃ and
Gray cast iron has become the preferred material for automotive parts such as engine and cylinder block because of its