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
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Relationship between microstructure and mechanical properties of nodular cast iron
Both graphite ball and matrix will affect the mechanical properties of nodular cast iron. It is found that with the
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Characteristics of nodular cast iron for wind power fittings
Referring to the latest ductile iron standard GB / t1348-2009, the brand, mechanical properties and metallographic structure of ductile iron
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Analysis of solidification process of sand casting
Observing the change of temperature field in the solidification process of sand castings can accurately predict the location of shrinkage
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Chemical composition analysis of cast low alloy bainite wear resistant steel shovel teeth
1.Impact of carbon It can be seen from Fig. 1 and Fig. 2 that the toughness of steel decreases with
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Application status of vibrating system in lost foam casting
1. lost foam casting vibrating system ZHY casting adopts 20 ~ 40 mesh quartz sand and manual bag sand adding
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Observation and analysis of matrix structure of nodular cast iron
According to GB9441-2009 metallographic inspection standard for nodular cast iron, the pearlite content in the as cast matrix is graded.
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Selection of spheroidizing process for nodular cast iron
The spheroidizing treatment process of nodular cast iron mainly includes the types of spheroidizing agent and the adding method of
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Observation and analysis of nodular cast iron
Through the observation of metallographic photos, the spheroidization level of a1-a8 and B1-B4 and the size level of nodular graphite
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Effect of low temperature on impact toughness of nodular cast iron
The figure shows the change law of impact toughness of nodular cast iron of B2 and B4 samples with temperature.