Effect of different riser height on casting defect distribution of steel castings
The orthogonal experiment will be designed, the riser height is set as the independent variable, and other process parameters remain […]
Scientific
steel casting
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Production of railway steel castings with wet molding clay sand
“Energy conservation” and “environmental protection” are important issues facing China in development, and realizing sustainable development is our basic national
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Railway steel castings
Railway development is closely related to people’s life and national development. With the sixth speed increase of railway, railway freight
Scientific
Prediction of shrinkage cavity and porosity defects in steel castings
The shrinkage rate prediction module is used to predict the distribution of shrinkage defects. When the simulation results show that
Scientific
Influence of different casting systems on casting defect distribution of steel castings
According to the relative position of the internal sprue on the steel casting, the casting system can generally be divided
News
Comparison of defect grade evaluation of steel castings in different China standards
The new and old specifications of steel castings in China, methods for ultrasonic flaw detection and quality assessment of steel
Scientific
Prediction of hot crack defects in steel castings
Hot crack defect refers to the casting defect when the solid rate of steel castings is close to 1.0 at
Scientific
Model parameters of steel casting system
The three-dimensional steel casting model and sprue model established in AutoCAD are combined into a whole and saved as Import
Scientific
Modeling and parameter selection of steel casting system
The pouring and riser system includes two parts: steel casting system and riser system. The steel casting system is the
Scientific
Material of steel castings for shell housing
The steel castings of shell housing are made of low alloy steel and low carbon steel. The content requirements of
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Cracks and sand inclusion defects in steel castings
The causes of cracks and sand inclusion defects in motor shell steel castings are studied from the perspective of process
Scientific
Sand casting of motor shell steel castings
① Sand casting process scheme The sand casting process scheme adopts the top pouring system. All the workpieces are in
Scientific
Ultrasonic flaw detection of casting defects of medium and large steel castings
Ultrasonic flaw detection mainly detects the near surface and internal quality of steel castings, and the internal quality of steel
News
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
News
Defect analysis and optimization of steel castings for shell casting
The crack and sand inclusion of motor shell steel castings are the inertia quality problems in casting production, and they
News
Formation of casting defects with tensile cracks in steel castings
The formation reason and process of tensile crack casting defect are different from that of shrinkage crack casting defect. 1)
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Production quality of steel castings for shell casting
From April to December 2020, ZHY casting fully applied the optimized new sand mold casting process to production, and produced
Scientific
Casting defects of motor housing steel castings
From January to March 2020, ZHY Casting used the above process to produce 200 motor housings in small quantities. Basically,
News
Technical requirements for sand casting of motor housing steel castings
The manufacturing of motor shell steel castings is relatively complex, mainly including sand casting, smelting and pouring, heat treatment, flaw
News
Casting defects of motor shell steel castings
The hot crack casting defects are analyzed from the macro and micro morphology. The hot crack can be divided into
News
Hot crack defects of furan resin sand casting steel castings
Most of the previous studies put forward the thermodynamic and dynamic conditions of hot crack formation from the perspective of
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Smelting and casting process of steel castings for motor casing
In terms of smelting process and equipment for molten steel of steel castings, developed countries usually adopt relatively advanced process
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Alkaline phenolic resin sand casting steel castings
Ester cured alkali phenolic resin is a phenolic resin formed by condensation polymerization of phenol and formaldehyde catalyzed by strong
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CO2 sodium silicate sand casting motor shell casting
There are two kinds of sodium silicate sand processes, CO2 sodium silicate sand process and ester hardened sodium silicate self
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Formation of shrinkage cracks in steel castings
1) The fillet of steel casting belongs to the hot spot, which usually lags behind the solidification of other parts.
Scientific
Sand sticking defect of bolster and side frame steel castings
The sand sticking parts of the bolster and side frame are mainly concentrated near the inner sprue and the root
Scientific
Sand inclusion defect of bolster and side frame steel castings
During the production of bolster and side frame by green sand casting, sand inclusion defects are found, which are mainly
Scientific
Production practice of carburizing defects of lost foam casting steel castings
In 2014, ZHY Casting introduced a small lost foam casting production line, mainly for the development of castings for waste
Scientific
Smelting and pouring process of steel castings for shell casing
① Molten steel smelting process Element C% Si% Mn% P% S% Cu% Range 0.10-0.28 0.20-0.45 0.30-0.68 ≤0.035 ≤0.035 ≤0.30 5T
Scientific
Magnetic particle inspection for casting defects of medium and large steel castings
In the field inspection, we should focus on the parts prone to casting defects. According to my experience in the