Hypoeutectic / eutectic solidification structure of cast chromium alloys
According to the different carbon content, the solidification structure of chromium alloys can be divided into hypoeutectic, eutectic and hypereutectic. […]
According to the different carbon content, the solidification structure of chromium alloys can be divided into hypoeutectic, eutectic and hypereutectic. […]
The solidification structure of chromium alloys is closely related to the content of C and Cr in them. According to
Long term industrial practice shows that chromium white cast iron has excellent stability and relatively low production cost in high
Drying is the process of removing the carrier from the coating. The sand core should be dried in time after
Suspensibility refers to the ability of coating to resist stratification and precipitation of solid refractory powder. On the premise of
In order to effectively solve the problem of core breaking during sintering of water jacket and oil passage of cylinder
According to the high temperature strength theory of metals, with the increase of temperature, the strength of grain boundary decreases
In view of the complex service environment of automobile engine cylinder and piston, cast heat-resistant aluminum alloy not only has
The microstructure and morphology of materials play an important role in determining their mechanical, thermal and electrical properties. It is
At present, FDM / FEM integration is widely used in the calculation system of temperature and stress field in casting
At present, the elongation indexes of high strength and high plasticity pearlitic ductile iron produced by domestic foundry enterprises are
Foreign R & D Some foundry companies such as GF, Fiat and FCD have established enterprise standards and started to
The characteristics of as cast high strength and high plasticity pearlitic ductile iron are as follows: (1) Compared with ordinary
At present, there are two kinds of as cast high strength and high plasticity ductile iron in China: The first
At present, there is a production line of a casting factory, with CNC multi axis grinding machine, mechanical arm, automatic
According to the actual situation of the current domestic foundry industry development, combined with the production technology, the effective equipment
1. Expensive equipment and high cost After investigation, it can be found that the reason why the grinding field has
In the whole pressure pipeline system, valve is the key control device. Its main function is to connect or block
1. Analysis of extrusion position Because the leakage position is between the two oil passages on the moving die side,
Hopkinson pressure bar equipment can flexibly replace sleeves of different diameters, corresponding to incident rods and transmission rods of corresponding
As a big foundry country, the development level of China’s foundry industry is constantly improving. However, the problem of casting
The relationship between stress, strain, strain rate and temperature of materials is its inherent property. There are many studies on
With the development of automobile manufacturing industry, the requirement of reducing energy consumption is higher and higher. Automobile parts are
In the 1950s, kdmills and other scholars discovered vermicular graphite cast iron, but it did not attract attention at that
1. Process arrangement The whole process of turbocharger wear-resistant transmission connecting rod is as follows: 1.1 Division of processing stages
The structure of clutch flywheel casting is shown in Fig. 1. It is a typical small disc casting with diameter
The clutch flywheel is one of the main parts of the automobile transmission mechanism, which is the key to cut
In order to verify the correctness of defect cause analysis, the project team carried out process verification test. The test
Lost foam casting technology is widely used in the foundry industry because of its advantages of small investment, low energy
With the continuous development of mechanization and integrated construction in China, the scale of construction machinery industry has been expanded