Analysis of surface carburization of steel castings in lost foam casting Process
In this test, 6 test pieces were poured in the same ladle of molten steel. The chemical composition of molten […]
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Determination of sampling position of carburizing defects in steel castings in lost foam casting Process
In order to study the carburization defects of steel casting for bridge support, four sampling locations are selected, namely, near
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Mechanism of carburizing defect in lost foam steel casting
The filling process of lost foam casting is the replacement process of metal liquid and foam pattern. Because the pouring
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Verification of lost foam casting process in small batch production
Using the process plan after the second optimization, the small batch production verification of steel and steel bearing was carried
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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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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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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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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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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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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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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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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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Selection of riser modulus and shape of nodular cast iron
The feeding riser must be large enough to supply additional liquid metal during liquid shrinkage until the temperature drops below
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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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Selection of riser position for ductile iron castings
The design of feeding system is the key content of this paper. We discussed the main factors that affect the
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Selection of drawing and parting surface for casting parts
Drawing is to adjust the taper of the mold or casting surface so that the mold and product can be
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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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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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Foam materials and thermophysical parameters of steel castings for bridge supports
A large amount of carbon in foam materials is the “arch criminal” of the carbon defect produced by EPC cast
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Material and thermal properties of steel casting for bridge bearing
In addition to bearing the load from the bridge, the bridge bearing is still in the changing environment, such as
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Design of riser for bridge bearing steel casting
Taking the steel damping bearing as the research object, because of the complex structure of the product, the calculation of
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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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Numerical simulation and process optimization of steel damping casting bearing
By adopting ProCAST The simulation analysis of the horizontal pouring and vertical pouring scheme of the steel damping bearing is
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Design of runner form and section proportion of bridge bearing steel casting
At present, the design of each element size in EPC casting has not yet formed the standard of casting one.
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Selection of casting method for bridge bearing steel casting
According to the position of molten metal introduced into the mold, the pouring methods can be divided into top pouring,
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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
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Selection of casting position of bridge bearing steel casting
The pouring position of a casting refers to the current state (posture) and position of the casting in the mold,
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Design of pouring system for bridge bearing steel casting
Due to the great difference between lost foam casting and traditional sand casting, the process design of lost foam casting
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Structural analysis of a typical bridge bearing product
Bridge bearing is the casting name of a kind of products. It is an important structural component connecting the upper
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Casting process analysis of new superalloy for automobile
According to the test results of high temperature wear resistance and high temperature oxidation resistance of the new superalloy used