Solution method of numerical model of solidification process in lost foam casting
According to different discrete methods, the solution methods of numerical model in lost foam casting solidification process mainly include finite […]
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lost foam casting
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Historical development process of lost foam casting
In 1956, the American H.F.Shroyer invented the method of real casting, and won the US patent in 1958. It was
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Control of common defects in lost foam casting of aluminum alloy
Aiming at the common defects in the process of aluminum alloy lost foam casting, the following measures have been widely
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Optimization and improvement of carbon equivalent in lost foam casting of gray cast iron thin wall gearbox shell
The defects can not be reduced to a qualified level by adjusting the pouring temperature. Therefore, lost foam casting thin-walled
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Numerical simulation and analysis process of ball mill liner in lost foam casting
1. Grid division and process parameter setting The three-dimensional modeling software (ugnx6. O) is used to accurately model the liner
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Optimization and improvement of pouring temperature in lost foam casting of gray cast iron thin wall gearbox shell
Referring to machine tool castings in the early stage, considering the factor of thin wall, the pouring temperature was increased
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Lost foam casting ball mill liner based on ProCAST
The size of ball mill liner in lost foam casting should consider the factors such as convenient handling, loading and
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Optimization of gating system in lost foam casting of gray cast iron thin wall gearbox shell
The lost foam casting thin-walled gray cast iron gearbox shell casting with the improved gating system is adopted. The qualification
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Lost foam casting of gray cast iron thin wall gearbox shell
Lost foam casting has the advantages of high dimensional accuracy, smooth surface and less pollution. Compared with the traditional molding
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Lost foam casting process of flywheel
Flywheel is a part of engine components. Its product surface is fully processed. The dynamic balance test of parts. Although
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Defects in lost foam casting of large diameter thin wall ductile iron watch case
Under the same production conditions, the process yield and scrap rate of three different casting process schemes were obtained. Scheme
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Numerical simulation of lost foam casting process for ductile iron shell
Using proe software for three-dimensional modeling and ProCAST software as simulation analysis means, the casting process of ductile iron shell
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Numerical simulation analysis of solidification process of lost foam castings
The change diagram of critical solid rate during solidification of lost foam castings is shown in Figure 1. It can
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Mold filling and solidification characteristics of lost foam casting
Compared with ordinary sand casting, the solidification characteristics of lost foam casting are also different, mainly in the following aspects:
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Numerical simulation of lost foam casting process for ductile iron shell
Using proe software for three-dimensional modeling and ProCAST software as simulation analysis means, the casting process of ductile iron shell
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Four research hotspots of lost foam casting technology
In recent years, there are four hot spots in the research of lost foam casting technology in Europe and North
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Casting process of lost foam casting empty shell
1. Foam casting for lost foam casting The molding of polystyrene bead mold can increase the foam density for improving
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Hardness test of lost foam casting rod mill liner
The figure shows the hardness of ZGMn13 and zgmn17 under different water toughening treatments. It can be seen that the
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Original technology of lost foam casting nodular cast iron reducer housing
The combination process of lost foam casting nodular cast iron reducer shell is shown in the figure. The design process
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Improvement of lost foam casting process for turbine rear exhaust pipe
According to the numerical simulation of turbine rear exhaust pipe in lost foam casting, under the existing process conditions, due
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Spheroidizing process of lost foam casting of nodular cast iron
1.Selection and implementation method of inoculant Aiming at the problems of high pouring temperature and easy decay of inoculant in
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Treatment technology of delaying spheroidization decay in lost foam casting
The low spheroidizing grade of lost foam casting nodular cast iron is mainly caused by high spheroidizing temperature (due to
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Improvement measures and practice of new type lost foam casting vibrating system
1. Improve the stiffness and strength of lost foam casting sand box The bottom of lost foam casting sand box
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Application of a new type of vibrating table in lost foam casting
Lost foam casting requires that the molding sand can fill the mold space tightly during molding. Therefore, the vibrating system
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Lost foam casting process of cylinder block
As the core component of the engine, the cylinder block has complex structure, high precision requirements and difficult forming. lost
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Design of riser for lost foam casting process of cast steel valve body
According to the simulation results of lost foam casting defects of cast steel valve body and the comprehensive analysis of
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Cause analysis of defects in lost foam casting process of original cast steel valve body
Fig. 1 and Fig. 2 are respectively solidification time nephogram and solid rate change diagram of ZY direction section plane
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Design of gating system for lost foam casting of cast steel valve body
According to the analysis of the original process scheme of the valve body, it can be seen that the improper
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Numerical simulation of shrinkage cavity and porosity in lost foam casting process of original cast steel valve body
Figure 1 shows the distribution of shrinkage cavity and porosity predicted by numerical simulation technology under the original process scheme.
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Development process of lost mold casting abroad
Lost mold casting has experienced the following three stages of development: The first stage is the American H.F. Sloy (Shroyer)