Improvement of gating system for blade sand casting
From the simulation results of traditional gating system, the following two aspects should be paid attention to when designing the […]
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Analysis of flow field simulation results of blade sand casting
After the pretreatment, the mold filling simulation experiment of blade sand casting will be carried out. The simulation results are
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Effect of different pouring speed on the quality of sand castings
For the same sand casting, different pouring speed corresponds to different pouring time. In the process of molten metal entering
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Determination of pouring position of main sand casting of axle housing
The pouring position of sand casting usually refers to the position of the axle housing in the mold during pouring.
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Prediction 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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Prediction of shrinkage cavity and porosity casting defects during solidification of steel castings
In the production of steel castings, the most common casting defects are shrinkage cavity and porosity. The main purpose of
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Criterion for judging shrinkage casting defects
The shrinkage porosity produced in the solidification process of castings is mainly predicted by using the shrinkage porosity criterion. There
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Effect of ultrasonic time on Microstructure and properties of nodular cast iron
In order to explore the effect of ultrasonic treatment time on the microstructure and properties of ductile iron, a group
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Effects of different pouring temperatures on the quality of sand castings
Pouring temperature refers to the temperature when the molten metal enters the gate. If the pouring temperature is too high,
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Heat transfer conditions of metal mold interface in sand casting
In the solidification process of sand casting, due to the solidification shrinkage of sand casting itself and the expansion of
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Design and working process of sand core mold for sand casting of complex turbine cover
1. Sand core mold design As shown in Figure 1, the center of the spiral case of sand core I
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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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Prediction and analysis of casting defects
Niyama criterion is selected as the prediction method of shrinkage porosity of spiral bevel gear casting. As shown in figures
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Mold filling and solidification process of sand castings
The figure shows the numerical simulation diagram of filling and solidification process of gear blank casting with common gating scheme
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Design and working process of sand casting die for complex turbine cover casting
Different sand casting methods have different requirements for the mold. The sand casting mold of turbine cover casting is mainly
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Prediction and analysis of casting defects of sand casting gear
The figure is the schematic diagram of shrinkage defects and air pressure distribution at different positions after complete solidification of
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Analysis of mold filling and solidification process of sand castings
The figure shows the numerical simulation diagram of mold filling and solidification process of sand casting with central top injection
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Casting technology of sand casting for steel castings
The common Pouring Scheme of pouring riser refers to the selection of three cylindrical thermal insulation open risers, which are
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Gating system for sand casting of steel castings
Generally speaking, due to the influence of gravity, there are more sand casting defects on the upper surface of steel
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Determination of riser in sand casting of steel castings
The gear blank is made of 20CrMoH, which belongs to low alloy structural steel. The liquidus temperature reaches 1511 ℃,
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Effect of ultrasonic treatment on Microstructure and properties of nodular cast iron
Using 340mm feldspar ink probe, add ultrasound into the spheroidizing bag, the action time is 1min, and the indication of
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Selection of coated sand material for steel casting of spiral bevel gear
Due to the high pouring temperature of steel castings, in order to improve the heat resistance of coated sand, special
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Effect of ultrasonic treatment on Microstructure and properties of nodular cast iron during solidification
After spheroidizing, the experimental molten iron is poured into the mold, ultrasonic wave is applied to one of the cavities,
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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