Experiment of gray cast iron
This part of the experiment was carried out just after the arrival of the ultrasonic equipment. The main purpose is […]
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Optimization process scheme and numerical simulation of sand casting for aluminum alloy box
1. Process optimization By analyzing the defects of the original process scheme in combination with figure 1, it can be
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Melting and spheroidizing treatment of molten iron of nodular cast iron
Compared with gray cast iron, nodular cast iron has strict requirements for chemical composition. The raw molten iron of nodular
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Design and modeling process of iron mold sand coating die
According to the actual size and casting process of crankshaft, the laboratory test is reasonably designed. The iron mold is
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Crankshaft casting process sand shell thickness
One of the most important parameters in the iron mold sand coated casting process is the thickness of the sand
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Micro morphology and analysis of fracture surface of nodular cast iron
As shown in Figure 1, the scanning photo of impact fracture micro morphology of B2 sample of nodular cast iron
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Simulation results of flow field and temperature field of crankshaft casting
ProCAST calculates the flow field, as shown in Figure 1. It can be seen that the mold filling speed is
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Numerical simulation of pouring process in sand casting of aluminum alloy box
1. Simulation analysis of liquid metal filling process The mold filling process simulation of sand casting is shown in Figure
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Composition and thermophysical parameters of nodular cast iron crankshaft
The composition of nodular cast iron crankshaft obtained from ZHY Casting is shown in the table. Cinnamon sand is used
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Solidification numerical modeling of sand coating process for crankshaft iron mold
The finite element analysis software is used to simulate the flow field and temperature field in the iron mold sand
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Sand casting process design of aluminum alloy box
1. 3D model of box The three-dimensional model of the box is shown in Figure 1. The material of the
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Comparison of sand coating technology of crankshaft iron mold
Comparing the cooling curves of sand mold, iron mold sand coated casting and metal mold casting, it can be seen
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Optimization of lost foam casting process for cylinder block
Change the pouring position of the cylinder block and place the top surface of the lost foam casting of the
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Macro morphology and analysis of fracture surface of nodular cast iron
In order to further study the impact toughness of nodular cast iron for wind power fittings, the impact fracture of
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Sand coating technology of cast iron mold for crankshaft
Iron mold sand coated casting process is a new net forming casting process. The metal mold cavity is covered with
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Manufacturing technology of nodular cast iron crankshaft
The manufacturing process of cast crankshaft generally starts from the aspects of molten iron melting, spheroidizing treatment, inoculation treatment, alloying,
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Preparation technology of nodular cast iron crankshaft
The commonly used crankshafts at home and abroad are divided into two categories according to materials, forged steel and ductile
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Judging shrinkage casting defects by feeding unit
The prediction of shrinkage casting defects is based on the simulation of temperature field, and then the shrinkage of sand
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Determination of shrinkage casting defects by calculation of shrinkage
To calculate the shrinkage of an isolated hot spot, first determine the isolated region, and then use the formula to
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Determination of shrinkage casting defects with multiple hot spots
The judgment of multiple hot spots is to judge the number, size and position of hot spots that may be
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Analysis of solidification process of sand mold casting
Fig. 1 shows the temperature field changes of sand mold castings at 2S, 40s, 120s and 220s after the molten
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Mathematical model of heat transfer in solidification process of sand castings
In the process of sand casting, liquid metal is poured into the mold and then dissipated heat to the surrounding
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Numerical simulation of lost foam casting of cylinder block
Import the three-dimensional modeling into ProCAST software in x-t format, repair the surface of the parts in mesh module, and
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Mathematical model for numerical simulation of mold filling process of sand mold castings
The filling process of metal liquid in sand mold casting is a very complex heat exchange process, which is accompanied
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Inspection of nodular cast iron wind power castings
The testing experiments of nodular cast iron wind power castings include chemical composition testing, mechanical property testing, metallographic structure analysis
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Analysis of mold filling process of sand castings
The single side bottom pouring with internal gate is adopted. The flow and temperature distribution of ZL105 metal liquid filling
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Cylinder block structure and lost foam casting process
1. Structural analysis of cylinder block The schematic diagram of a 12 cylinder block is shown in Figure 1. The
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Analysis of solidification process of sand casting
Fig. 1 shows the temperature field changes of sand castings at 10s, 60s, 130s and 340s after the molten metal
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Performance test of a new vibrating system for lost foam casting
1. Vibration consistency test Take 18 positions on the sand box, and take 3 ~ 4 points at different heights
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Spheroidizing process of nodular cast iron
At present, the most commonly used spheroidizing agent for nodular cast iron in China is rare earth silicon iron magnesium