Test results of casting process of mechanical bearing pedestal structure
1. Impact performance After the impact test is completed, the impact absorption rate of bearing pedestal will change with the […]
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Research and Analysis on experimental materials and methods of mechanical bearing pedestal structure casting process
1. Test materials and casting process parameters Combined with the scientific casting process and methods, the properties of casting samples
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Background analysis of the influence of casting process on the performance of mechanical bearing pedestal
As we all know, bearing pedestal is an important part of modern machinery and plays an important role in the
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Casting technology of mechanical bearing pedestal structure
The bearing pedestal can fix the bearing, support the operation of the bearing, and bear the pressure brought by the
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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
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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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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
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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
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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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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
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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
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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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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
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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
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Comparison between new type ductile iron piston and steel piston after isothermal quenching
(1) A new generation of high-performance piston is manufactured by using ferrite ductile iron, such as QT600-7 profile split method.
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Precise manufacture of casting core for automobile engine block
Because the cold core box is made by blowing resin sand, in the specific production, in order to make the
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Causes and Solutions of Slag Inclusion Defects in Automobile Shell Castings
During casting production, the causes of oxidation slag inclusion defects are: ① The oxide slag on the liquid surface is
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Effect of casting technology on mechanical bearing pedestal performance test results
1. Impact performance After the impact test, it is found that the impact absorption energy of the bearing pedestal increases
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Causes and Solutions of Blow Hole Defects in Automobile Shell Castings
In the process of casting production, the causes of blow hole defects are: ① The excessive velocity of molten iron
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Effective guarantee of casting accuracy of automobile engine cylinder block
During the casting process of automobile engine cylinder block, in order to effectively ensure the casting accuracy of automobile engine
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Energy spectrum analysis of casting defects
Energy spectrum analysis of casting defect samples; For example, the table shows the element composition of each scanning point in
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SEM observation of casting defects
At a higher magnification of the scanning electron microscope, the casting defects of the three samples are as shown in