Analysis of impact toughness of steel castings in lost foam casting Process
In order to study the impact resistance of steel castings at different temperatures, three temperature detection conditions, namely normal temperature, […]
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lost foam casting
Scientific
Analysis of simulation results of lost foam casting process
When setting simulation parameters in ProCAST preprocessing section, the following aspects need to be adjusted: (1) The material of cold
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Heat treatment technology of lost foam casting
In the process of heating and cooling, there will be group increase transformation of steel, which is the fundamental reason
Scientific
Secondary optimization design of lost foam casting process
The simulation results show that the safety height of riser is 11.15cm, which is 8.15cm higher than the minimum safety
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Mechanical property index of lost foam casting
Mechanical properties refer to the mechanical characteristics of materials under different environments when they bear various external loads (tensile, compression,
Scientific
Optimization of lost foam casting process parameters and orthogonal test analysis
It can be seen from Fig. 1 that when the pouring temperature changes from high to low, the safe height
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Experimental route of lost foam casting
The object of this research is steel steel steel bearings in bridge bearings. The production process is produced according to
Scientific
Optimization of lost foam casting process parameters and orthogonal test results
The safety height of riser feeding is taken as the evaluation index in the orthogonal test. The measurement method of
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Main experimental equipment of lost foam casting
(a) Direct attack spectrometer The main instrument used for chemical composition detection is the direct attack spectrometer (q4-130) in Brooke,
Scientific
Optimization of lost foam casting process parameters and orthogonal test
The process parameters of lost foam casting have significant influence on the mechanical properties and the formation of carburizing defects.
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Manifestation of carburization defects in lost foam steel castings
The carburizing defects of steel castings can be divided into surface carburization, volume carburization and local carburization. Surface carburizing: during
Scientific
Numerical simulation of vertical pouring scheme in lost foam casting
The simulation parameters of vertical pouring scheme are consistent with those of horizontal pouring scheme, and other material configuration parameters
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Effect of carburizing defect on quality of steel casting
Lost Foam Casting (LFC) has been recognized by the foundry industry for its unique technological advantages. Many developed countries have
Scientific
Production verification of horizontal pouring scheme test piece in Lost Foam Casting
The steel and steel bearing trial produced by horizontal casting scheme is shown in Fig. 1. The overall appearance quality
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Numerical simulation and result analysis of horizontal pouring scheme in Lost Foam Casting
The 3D drawing of horizontal pouring scheme is imported into ProCAST software. Firstly, the virtual sandbox is set up, and
Scientific
Negative pressure of lost foam casting for bridge support
The main functions of lost foam casting with negative pressure casting are as follows: (1) Compact the dry sand to
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Research status of carburizing defects in lost foam casting cast steel
After entering the 21st century, a large number of domestic researchers still solved the problem of carbon enhancement. According to
Scientific
Pouring temperature of lost foam casting for bridge support
Pouring temperature is a key factor affecting the quality of EPC Castings. If the pouring temperature is too high, the
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Study on carburization of lost foam casting steel
Mechanism of carburization defects The mechanism of carburizing defect is the diffusion of carbon into soft moving molten steel and
Scientific
Design and selection of lost foam casting coating for bridge bearing steel casting
Coating is an important part of lost foam casting process and one of the key factors affecting the filling of
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Research status of lost foam casting technology in China
China is also one of the earliest countries in the field of lost foam casting Technology Research (1965), which has
Scientific
Dry sand material and performance index of lost foam casting steel for bridge support
The advantages of EPC are dry sand molding, no binder is needed, the recovery rate of dry sand is high,
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Research status of lost foam casting technology abroad
The lost foam casting technology originated from the “cavity free mold and its casting method” invented by American H.F. Shroyer
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What is Lost Foam Casting？
Lost Foam Casting (LFC or EPC) is a new technology which subverts the traditional casting technology. It is known as
Scientific
Calculation of riser of bridge bearing steel casting
According to the function, the riser of lost foam casting process can be divided into feeding riser, exhaust slag collecting
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Common forming technology of bucket teeth in China and abroad
At present, the forming technology of bucket teeth mainly includes sand casting, metal mold casting, lost foam casting and liquid
Scientific
Numerical simulation results of horizontal pouring scheme in Lost Foam Casting
Fig. 1 is a set of photographs of the filling percentage of liquid metal at different times. The red is
Scientific
Drawing of 3D engineering drawing of lost foam casting steel for bridge bearing
Creo software is used to draw 3D engineering drawings and assemble components. Creo software is a CAD software design package
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Lost foam casting technology and carburizing defects of bridge bearing
This paper mainly carries out scheme design, simulation analysis and production verification of a kind of bridge bearing steel casting,
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Production of bridge bearing steel castings
Relying on ZHY casting, the company is a medium-sized private enterprise producing bridge bearing steel castings. The transfer casting process