Parameter optimization process of sand casting process model
Matlab 2016b software is used for calculation. The trend of calculated fitness is shown in Figure 1, and the optimal […]
Scientific
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Advantages of forged knuckle over cast knuckle
At present, the coupler knuckle used in the couplers of China’s railway freight cars is cast coupler knuckle. The cast
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Rare earth inoculation treatment of gray cast iron
The process selection of rare earth inoculating gray cast iron depends on the adding method of inoculant, mainly including flat
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Selection of parting surface of splay saddle head steel casting
According to the principle of conventional parting surface selection: the parting surface shall be as simple as possible, and the
Scientific
Parameter setting of sand mold casting process model
The genetic algorithm is used to solve the global optimization of the industrial design parameter scheme of sand casting. Before
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Manufacturing process of forged coupler knuckle
Forged coupler knuckle is an important part of the coupler and draft gear of freight cars. Forged coupler knuckle is
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Smelting of rare earth gray cast iron
1.Charge The quality of furnace charge mainly depends on the content of trace elements in raw materials. The trace elements
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Process parameters and carbon emission of sand casting
Carbon emission of materials based on coupling process parameters of sand casting The energy and carbon emissions based on the
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Eliminating the harmful effect of oxygen and phosphorus in gray cast iron
Oxygen mainly exists in the form of oxidation inclusions in gray cast iron. Gray cast iron samples with different oxidation
Scientific
Original process scheme of sand casting
A set of process parameters are designed, as shown in the table. Parameter type Programme Draft angle 2° Machining allowance
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Effect of Silicon Content on Testing Materials and Methods of High Silicon Ductile Iron
In order to study the effect of different silicon content on the structure and properties of ductile iron and the
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Interaction between rare earth and sulfur in gray cast iron
Sulfur can cause “hot brittleness” of cast iron during smelting of gray cast iron and reduce the corrosion resistance, welding
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Effect of rare earth on common inoculant of gray cast iron
As a high-efficiency inoculant, rare earth has always occupied an important position in the application of inoculant, mainly because it
Scientific
Technological conditions of sand casting
The method is simulated and verified by a case list. A sand casting enterprise produces the motor shell, and the
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Effect of Silicon Content on Microstructure and Properties of High Silicon Ductile Iron by lost foam casting
With the development of industrialization in China, ductile iron has become the main metal material in industrial production due to
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Effect of rare earth on spheroidizing agent of gray cast iron
Spheroidized elements usually have the following common properties: (1) In gray cast iron, the solubility of elements in molten iron
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Carbon emission calculation based on inherent properties and process parameters of sand casting
The inherent property process parameters of sand casting are the parameters determined by the nature of the object affected by
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Creep agent of rare earth in gray cast iron
The creep effect of rare earth was found in the process of treating nodular cast iron with rare earth, but
Scientific
Carbon emission calculation based on coupling process parameters of sand casting
The coupling design parameters in sand mold casting process parameters, such as casting temperature, holding time, cooling time, surface treatment,
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Adding rare earth elements to gray cast iron to improve its properties
Adding rare earth elements into gray cast iron can significantly improve the mechanical properties of gray cast iron, such as
Scientific
Carbon emission calculation based on independent process parameters of sand casting
The independent process parameters of sand casting are directly determined by the product drawing and the production process conditions of
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Design of gating system for steel castings
The molten steel of steel castings has high melting point, poor fluidity, large shrinkage and easy oxidation. Therefore, the gating
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Development of rare earth gray cast iron
The strength of gray cast iron mainly depends on graphite and matrix structure. With the increase of carbon equivalent, the
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Selection of Modeling Method and Model Type for Steel Castings of Splay Saddle Head
In the past, similar steel castings used the core assembly molding, and the size of the sand core is relatively
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Casting technology of splay saddle head for large cast steel bridge structure
The steel casting of splay saddle saddle head is the first suspension bridge for both highway and railway in China,
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Carbon emission model of energy carbon source and undesired carbon source in sand casting
Energy sources including electricity, natural gas and coal are used in the process of sand casting. For example, no additional
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Effect of rare earth elements on Microstructure of low carbon equivalent gray cast iron
Since the 1980s, the rare earth industry has developed rapidly. Whether abroad or at home, the application technology of rare
Scientific
Energy spectrum analysis of automobile shell casting defects
The casting defect samples were analyzed by energy spectrum, and the scanning positions of energy spectrum points were shown in
Scientific
Carbon emission model of carbon source of sand casting materials
The material consumption of sand casting is different from that of other machinery manufacturing industries. The production process of sand
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Brief introduction of low carbon equivalent gray cast iron
Gray cast iron has low cost, low price and wide application. It has always accounted for a large proportion in