Effect of niobium on matrix structure of ball milled cast iron
The ferrite content in the matrix structure of ductile iron affects the carbon content of the matrix, thus affecting the […]
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Casting process design of a diesel engine case
1. Pouring position and parting surface According to the practical production experience for many years and the principle of accurate
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3D printing process for V-type gas engine cylinder block casting
The structure of cylinder block casting is complex, and there are many internal cavities. For this kind of structure casting,
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Annealing residual stress removal and tensile strength and hardness of high strength cylinder head castings
Three kinds of annealing process were selected, and the annealing time was 18 h, 11 h and 8 h, respectively.
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Effect of reducing residual stress in mold insulation of high strength cylinder head casting on tensile strength and hardness
The structure of 11 l engine cylinder head casting is shown in Figure 1, and the overall dimension of the
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Process optimization for reducing stress of high strength cylinder head casting
Through the above analysis, the process was optimized: the furnace holding time was extended to about 8 h, the temperature
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Structure reduction and stress relief process of high strength cylinder head casting
The structure of a 13 l cylinder head casting is shown in Figure 1, and the overall dimension of the
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Effect of silicon solution strengthening on properties of nodular cast iron
1) The strength and elongation properties of y-block hot metal casting were compared. It can be seen that with the
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Analysis of filling velocity field of gating system for large planetary carrier steel castings
Scheme 1 According to the simulation results in Fig. 1 (E), the whole filling process takes about 19.6 s, which
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Material control and test method of large vermicular graphite iron castings
In order to control the content of some trace elements (Ti, Pb, etc.) in Vermicular Graphite Cast Iron and ensure
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Cold bending cracking of martensitic stainless steel castings
The working conditions of hydraulic turbine equipment are strict, and runner, as the core component of hydraulic turbine, has been
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Control points of cold depth of chilled cast iron camshaft and hardness of cam peach tip
1.Key points of cold depth control (1) cold iron. In the early stage of product development, according to its own
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Technical requirements for cold depth of chilled cast iron camshaft and hardness of cam peach tip
When the chemical composition and matrix hardness of the hot metal are controlled in the small range mentioned above, the
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Proportional solidification process of pancake iron castings
1.Analysis of process characteristics Pancake iron castings (diameter and thickness) δ Although the shape of the casting is simple, it
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Analysis of stress field during solidification process of track shoe in Lost Foam Casting
The solidification process of liquid metal is divided into three phases: liquid phase, solid / liquid phase coexistence and solid
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Effect of pouring temperature on defects of track shoes in Lost foam Casting Process
In the solidification process, because of the wide range of crystallization temperature, the basic metal skeleton is formed first when
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Pre treatment of numerical simulation for solidification process of track shoes in EPC Process
Geometric modeling The heat transfer between the liquid metal and the pattern occurs during the filling process Where, ρ P
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Numerical simulation of solidification process of track shoes in Lost Foam Casting Process Based on ProCAST
Crawler shoe is the key component of roadheader walking mechanism, which is connected by pin to form crawler shoe chain.
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Formation mechanism of Macrosegregation in reverse squeeze casting
The segregation behavior of impurity elements needs to be analyzed from the aspects of solidification thermodynamics and kinetics. From the
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Segregation position of impurity elements in large wheel hub in reverse squeeze casting
According to the data in Table 1, the segregation position of each element along the longitudinal direction can be further
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Segregation degree of impurity elements in large wheel hub by reverse squeeze casting
The contents of impurity elements at different positions in A356 aluminum alloy wheel hub by reverse squeeze casting are shown
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Experimental method for segregation behavior of impurity elements in large wheel hub by reverse squeeze casting
The test material is A356 aluminum alloy, and its chemical composition is controlled according to American Standard b108-03a. A heavy
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Inclined pouring process design of top plate casting
The top plate casting is an important part of the supporting transportation equipment for metallurgical vehicles. Its structure is shown
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Vacuum casting process design of forklift front axle
1 Mold Design According to the overall dimension of the product, the size of sand box is 550 mm ×
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Production test and product inspection of forklift front axle by vacuum casting
1 Production Process The production process is shown in Fig. 1 ~ 5, including coating spraying, coating drying, core setting,
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Simulation of casting process for oversize crusher frame
The casting process of crusher frame products is relatively mature, and the process design ideas are generally similar, and the
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Casting process optimization of ZL104 aluminum alloy cutter body
The cutterhead body produced by the company is made of ZL104 material. The cutterhead body is used to install the
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Study on properties of vermicular graphite cast iron and its application in internal combustion engine
As for the development of vermicular graphite cast iron technology, in 1948, the Americans applied it. However, due to the
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Analysis of heat treatment strengthening mechanism of 7075 alloy by rheo squeeze casting
In the process of solid solution, the alloy elements are dissolved into the base metal, the hardness and strength of
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Mechanical properties and microstructure of rheo SQUEEZE CASTING 7075 alloy after heat treatment
According to the above research and analysis, it is concluded that the best T6 heat treatment process for rheo SQUEEZE