Sand casting technology of motor shell steel castings
Due to the differences in product structure, weight, process equipment of production enterprises, production conditions and process technology level, there […]
Due to the differences in product structure, weight, process equipment of production enterprises, production conditions and process technology level, there […]
Ester hardened sodium silicate self hardening sand process is a new generation of self hardening sand process developed on the
The crack and sand inclusion of motor shell steel castings are the inertia quality problems in casting production, and they
The formation reason and process of tensile crack casting defect are different from that of shrinkage crack casting defect. 1)
From April to December 2020, ZHY casting fully applied the optimized new sand mold casting process to production, and produced
The pouring process of sand casting is a very important link in the whole casting process. Usually, many foundries regard
It is necessary to establish an effective three-dimensional model when using ProCAST to analyze the filling process of sand casting
Crack casting defect is the biggest obstacle restricting the popularization and application of furan resin sand process in steel castings.
The manufacturing of motor shell steel castings is relatively complex, mainly including sand casting, smelting and pouring, heat treatment, flaw
The hot crack casting defects are analyzed from the macro and micro morphology. The hot crack can be divided into
Most of the previous studies put forward the thermodynamic and dynamic conditions of hot crack formation from the perspective of
In terms of smelting process and equipment for molten steel of steel castings, developed countries usually adopt relatively advanced process
Ester cured alkali phenolic resin is a phenolic resin formed by condensation polymerization of phenol and formaldehyde catalyzed by strong
There are two kinds of sodium silicate sand processes, CO2 sodium silicate sand process and ester hardened sodium silicate self
According to the type of manufacturing process, the motor shell can be divided into welded motor shell and sand casting
1) The fillet of steel casting belongs to the hot spot, which usually lags behind the solidification of other parts.
The traditional process design mainly depends on theoretical calculation and production experience. After determining the sand mold casting gating system
The weight of the steel casting of the motor shell is 381kg, which is similar to the barrel structure. The
In view of the serious casting defects in the small batch production process of ZHY Casting motor shell steel castings,
The formation mechanism and influencing factors of hot crack casting defects are very complex. So far, there are three main
The name of furan resin sand comes from furan no bake process in English. Furan resin sand casting is a
The non-metallic inclusions in molten steel during smelting and pouring are one of the important causes of cracks in steel
The sand casting gating system of the mud pump body is not only the channel for the metal liquid to
Bolster and side frame are important running parts on the bogie of rail freight car. They bear the gravity of
The measures and methods to reduce the carburization of lost foam casting steel castings mainly include the following aspects: (1)
It is difficult to obtain accurate input parameters in sand casting simulation. For material properties, although sand casting simulation software
According to the thinking method of formulating the inspection standard of JCSS hull steel castings in Japan, medium and large
In recent years, with the application of advanced technologies such as high-performance (steel, non-ferrous alloy, etc.) materials, CAE analysis and
The application of sand mold casting simulation should not only find out the causes of defects, but also put forward
Lost Foam Casting (EPC), also known as negative pressure full mold casting, has developed to a considerable scale since it