Numerical simulation of solidification process in lost foam casting of cast steel valve body
The figure shows the solidification of cast steel valve body castings at different times. It can be seen from the […]
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Casting technology of nodular cast iron crankshaft
At present, the production of nodular cast iron crankshaft mainly adopts iron mold sand coating casting. The filling, solidification and
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Wear resistant composite bucket teeth
1. Cast in bucket teeth The base metal in the cast-in-place bucket teeth is generally high manganese steel with high
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Development of computer simulation of casting filling process in China
The research on Numerical Simulation of China’s foundry industry began in the late 1970s. However, it has developed rapidly together,
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Mold filling simulation experiment of iron mold sand coated casting for Flywheel Casting
(1) The performance requirements of flywheel casting are analyzed, the casting process scheme is designed, and the process parameters are
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Wear of bucket teeth of excavator
The existing excavators are mainly mechanical excavators (also known as electric shovels) and hydraulic excavators. The bucket teeth (shovel teeth)
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Wear resistant white cast iron
As a wear-resistant material, white cast iron has experienced three stages: ordinary white cast iron, nickel hard white cast iron
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Casting technology of nodular cast iron valve body of excavator
1. Floating core There are regular pits on the upper surface of nodular cast iron. After dissecting the nodular cast
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Lost foam casting coating
Role of lost foam casting coating in lost foam casting The function of lost foam casting coating is to support
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Ordinary high manganese steel (ZGMn13)
High manganese steel, also known as Hadfield steel, was invented by Robert Hadfield in 1882. Ordinary high manganese steel is
Scientific
Casting process analysis of nodular iron casting valve body of excavator
1. Test process parameters Three nodular iron castings were tested and poured. The main parameters during the test are: the
Scientific
Casting technology of nodular cast iron valve body for hydraulic control valve of excavator
The casting adopts the green sand production process, and the sand core is made of coated sand. The mold plate
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Ductile iron valve body of excavator hydraulic control valve
Excavators are widely used in highway, bridge, construction, breeding pond, underground engineering, emergency excavation and other engineering construction fields. It
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Causes and preventive measures of sand sticking casting defects of cast steel bucket teeth
Compared with cast iron, the pouring temperature of cast steel is higher, which is more than 1560 ~ 1620 ℃
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Difficulties in testing steel castings
1.Poor ultrasonic penetration The complex interface of coarse grain and uneven structure enhances the scattering of ultrasonic wave, and the
Scientific
Numerical simulation and analysis of mold filling process in lost foam casting of cast steel valve body
For example, the liquid filling state of the casting at different times is represented. The red represents the molten metal
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Effect of matrix structure on mechanical properties of nodular cast iron crankshaft castings
When the amount of ferrite in the matrix increases, the elongation after fracture increases. The data · s] show that
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Development of computer simulation of casting filling process abroad
In 1944, Victor pastes of Columbia University first applied numerical simulation to the casting process, and made heat conduction analysis
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Conclusion of mold filling simulation experiment of iron mold sand coated casting of Flywheel Casting
(1) The theory of self shrinkage is used to improve the hole filling rate of Flywheel Casting. (2) In the
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Types of sand sticking casting defects of cast steel bucket teeth
At present, the manufacturing processes of bucket teeth of excavators in China are sand casting, forging and precision casting. In
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Numerical simulation results and analysis of sand casting of large root arm boss of excavator
Under the same process parameters, three sand casting schemes were numerically simulated (Fig. 1). It can be seen from the
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Function, classification and setting principle of exhaust system in sand casting
1. Function of sand casting exhaust system (1) The exhaust system of sand mold casting discharges the medium-sized cavity of
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Methods of preventing back spraying in Lost Foam Casting
Lost foam casting is a kind of casting technology. There will be various casting defects in the casting process, which
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Mesh division and boundary condition setting of sand casting for large boom boss of excavator
Three process schemes of sand casting were numerically simulated by ProCAST software. The model is modeled by Pro / E
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Calculate the price of iron castings
How to calculate the price of iron castings: 1.Confirm whether we can produce the casting. We need to check whether
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Sand casting technology of large root arm boss of excavator
The sand casting of the boss at the root of a boom is made of ZG25, with a total length
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Casting process for root connection of excavator boom
The boom is one of the key parts of the excavator frame (boss). In the early stage, this product was
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Classification of hybrid electric vehicles
Hybrid electric vehicles are generally classified according to the form of power transmission, which can be divided into series type,
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Common casting defects of steel castings
Although the casting defects produced in the casting process of steel castings are similar to those produced by ingot casting,
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Nodular cast iron crankshaft iron mold sand coated casting
Numerical simulation analysis is of great significance to optimize the sand coated casting process of iron mold. Although the numerical