Chemical composition of ductile iron punch disc casting process
The content of C and Si is determined according to the carbon equivalent CE. Generally, the content of C is […]
The content of C and Si is determined according to the carbon equivalent CE. Generally, the content of C is […]
CB2 cast steel is 9CrMoVNbB steel, and its trial produced steel castings have an extrapolated endurance strength of 85mpa at
1. Cause analysis According to the morphological analysis of the casting pore defects after dissection, it is mainly invasive pores,
Draw the 3D pouring model of impeller casting process in Pro / E software, output STL file, and import it
AnyCasting software was used to simulate the mold filling and solidification process of ductile iron punch disc casting process. The
Because the cast impeller is a medium-sized casting, its structure is relatively simple, and it is mass production. Its parting
1.Casting process plan HWS line green sand molding process is adopted, and the size of sand box is 1000 mm
As shown in Figure 1, the change of critical solid rate in the solidification process of lost foam castings after
1. Assign professional personnel to control production quality For enterprises, in order to obtain economic benefits, their products are required
Steel casting coating can be applied in various ways according to different site conditions and different steel castings. Through the
Internal shrinkage porosity and shrinkage cavity defects of nodular iron castings are common problems in the casting industry, and how
The chemical composition of molten iron is shown in Table 1. The double wire feeding spheroidization process with cover is
The microstructure and characteristics of the bonding interface play a key role in the macro mechanical properties of the composite
As shown in the figure, the filling process diagram of lost foam casting after the improved process is shown. The
The performance indexes of zirconium free composite cast steel coating 405B (hereinafter referred to as tl405b) are shown in the
The main reason why grey cast iron is widely used in cylinder block is that it has better thermal conductivity
It can be seen from the analysis that there is no liquid metal feeding at the center of the wheel
Tetrahedral mesh is still used in meshing. After meshing, the whole model package has 163266 nodes and 884220 elements. The
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
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