Effect of modifier content on thermal fatigue properties of high strength gray cast iron
In the process of thermal cycle, cracks caused by periodic stress due to internal temperature difference, hindered shrinkage and thermal […]
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Classification of piston casting defects
Casting defect Cause Improvement measures Increase or decrease in outer diameter The external mold shrinks and deforms, the direction of
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Effect of modifier content on mechanical properties of high strength gray cast iron
The microstructure characteristics of gray cast iron determine its mechanical properties. For the microstructure of gray cast iron, the finer
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Effect of modifier addition on Microstructure of high strength gray cast iron
The modifier used in the study is jf-1 modifier. In the experiment, the composition of gray cast iron and the
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Production technology of frame shell casting
ZHY casting has developed a frame shell casting with material grade of HT250 and overall dimension of 1300 mm ×
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Effect of inoculation treatment on turning performance of experimental gray cast iron
Most gray cast iron castings can become machine parts only after turning. The turning performance directly affects the processing quality
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Effect of inoculation treatment on Microstructure of experimental gray cast iron
The composition of the experimental gray cast iron and the types of inoculants added. By comparing and analyzing the effects
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Strengthening high strength gray cast iron by adjusting the content of Mn and S
Adding alloying elements to cast iron can improve the strength of gray cast iron. The effects of manganese, some alloying
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Strengthening high strength gray cast iron by optimizing carbon equivalent and silicon carbon ratio
Adjust carbon equivalent and silicon carbon ratio. In the solidification of gray cast iron, the carbon equivalent directly affects the
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Method of simulating lost foam casting process of nodular cast iron based on ProCAST
Because there is no solid phase in the initial state of the mold cavity during the micro model calculation, and
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Introduction of numerical simulation method of lost foam casting mold filling
At the same time, considering the pressure and speed in the filling process of lost foam castings, so far, the
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Solidification simulation and optimization of large turbine volute in sand casting
The solidification process of sand castings is directly related to the shrinkage cavity, porosity and stress concentration of sand castings.
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Process design of sand core for sand mold casting of large turbine volute
1. Sand core design of sand mold casting The core is made of furan resin self hardening sand. Because the
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Sand mold casting process design of large turbine volute
The spiral case is made of QT500-7, and its chemical composition is shown in the table. The production nature of
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Analysis of solidification simulation results of sand castings
After the simulation calculation is completed, enter the visual viewer post-processing interface, observe the dynamic change of liquid metal temperature
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Stability verification of inverse calculation program for sand mold casting
The accuracy of the back calculation program needs to be verified. We select the difference between the measured temperature data
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Analysis and modeling of sand casting structure of large turbine volute
Compared with other metal castings, sand casting has the advantages of low cost, simple production process and short production cycle.
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Simulation results and production verification of rapid sand casting process
1. Simulation analysis of liquid metal filling process The filling state and temperature distribution at different stages of liquid metal
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Simulation results of casting defects in nodular cast iron process of hub support
As shown in the figure, the porosity results of numerical simulation of nodular cast iron are mainly used to judge
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Process modeling and mesh generation of nodular cast iron for hub support
Because the nodular cast iron of the hub support is the main body of the simulation, and its grid quality
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Process flow and process design of rapid sand casting
The process of rapid sand casting technology to realize the rapid manufacturing of parts is as follows: establish the three-dimensional
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Internal quality control of sand casting for aluminum alloy cabin door with overall wall thickness of 2 mm
According to the above anti gravity test results, the differential pressure sand casting process was selected to pour the actual
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Preparation of test nodular cast iron
(1) Raw materials The main ingredients for preparing molten iron in the experiment are Q10 pig iron, scrap steel, spheroidizing
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Control of dimensional accuracy of sand casting for aluminum alloy cabin door with overall wall thickness of 2 mm
The wall thickness of the hatch sand casting is 2 mm, and the dimensional accuracy requirements are high. It is
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Mold filling of sand casting for aluminum alloy cabin door with overall wall thickness of 2 mm
The hatch sand castings are sand castings with overall wall thickness of 2 mm. There is no report on the
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Structural characteristics and technical requirements of sand casting for aluminum alloy hatch with overall wall thickness of 2 mm
The hatch sand casting is a key structural member of aluminum alloy for aircraft. The outline dimension of fad hatch
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Sand casting process design of large nodular cast iron volute
1. Sand mold casting process scheme of nodular cast iron Nodular cast iron sand castings are produced in single piece
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Implementation of lost foam forming process scheme for output shaft shell
1. EPS foaming white mold EPS (polystyrene foam) has good mold filling performance, good surface quality, small investment in pre
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Analysis of lost foam casting process scheme for output shaft shell
According to the forming and manufacturing process of output shaft shell, different casting enterprises adopt different molding lost foam process
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Solution method of numerical model of solidification process in lost foam casting
According to different discrete methods, the solution methods of numerical model in lost foam casting solidification process mainly include finite