Key technical specifications for c12a valve castings
ASME sa-217 c12a material is a high alloy heat-resistant steel. It is a new material developed by the United States. […]
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Casting technology in the production of China large steel castings
Large castings have long production cycle and complex processes. Generally, they have to go through many processes. Reasonable setting of
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Application status of computer simulation in Lost Foam Casting
Lost foam casting numerical simulation technology has become a powerful simulation and simulation technology, and goes deep into all aspects
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Research status of investment casting
As a material near net shape technology, investment casting has the characteristics of complex casting structure, high dimensional accuracy, wide
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Simulation innovation of lost foam casting process
1) Because of the complex physical and chemical reaction between the front of the molten metal and the foam pattern
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Design of gating system based on critical velocity theory in sand casting
John Campbell of the University of Birmingham and others have carried out a lot of research work on the design
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Study on sand casting technology of automobile engine parts
Three kinds of Dieless manufacturing processes, including laser selective sintering of coated sand, laser selective sintering of PS powder and
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Impeller casting shape and size
The shape and dimension inspection of impeller casting is to check whether the actual dimension of impeller blank casting falls
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Theoretical basis of mold filling and solidification process in investment casting
In the process of investment casting, solidification refers to the process that high-temperature liquid metal changes from liquid to solid
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Effect of pouring temperature on shrinkage cavity and porosity of castings
Parameter setting: when the pouring speed is 30mm / s and the shell preheating temperature is 600 ℃, the pouring
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Analysis of mold filling process, solidification process and casting defects in investment casting of bearing support
As shown in Figure 1: after the investment casting pouring starts, the liquid fills the main sprue in about t
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Simulation analysis of investment casting of bearing support
The mechanical parts of topology design must have good manufacturability before the products have practical value. The product of topological
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Theoretical basis of mold filling process in investment casting
In the process of investment casting, although the movement of metal pouring fluid is very complex, it will strictly follow
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Metal material smelting technology in the production of large steel castings
Large steel castings in the fields of nuclear power, hydropower, thermal power and metallurgical equipment have strict service conditions and
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Main contents of numerical simulation of lost foam casting
The change of field in each stage of lost foam casting forming process is calculated accurately, so as to obtain
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Design of rapid investment casting
Rapid investment casting (RIC) is a production process of indirect additive manufacturing (I-am) metal parts formed by the combination of
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Simulation of lost foam casting process
It mainly studies the lost foam casting of gearbox box, first carries out three-dimensional modeling, then carries out linear repair,
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Casting technology of large complex impeller
In view of the current situation that the production quality of large and complex integral stainless steel casting impeller can
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Design of gating system for traditional sand mold casting
(1) The minimum sectional area of gating system shall be determined. The minimum area of gating system is generally calculated
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Dye penetrant inspection for appearance quality of impeller castings
Due to the thin and large number of impeller blade castings, in order to further inspect the surface and near
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The gap between China’s large steel casting production enterprises and foreign advanced enterprises
Compared with industrial developed countries, there is a big gap in the production of large steel castings in China in
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Casting process and performance test results of mechanical bearing pedestal
1. Impact performance For the performance test of mechanical bearing pedestal, it can be found that the impact absorption of
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Sand casting process design of automobile engine parts
At present, sand castings inside passenger car engines mainly include cylinder block, cylinder head, bearing cover, exhaust pipe, valve cover,
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Research status of casting technology of large impeller
According to the number of blades of this kind of impeller, the complexity of structure and the technical requirements of
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Design of lost foam casting process simulation experiment
In the study of lost foam casting process, the process parameters that have a great impact on the quality of
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Surface roughness inspection of impeller castings
The surface roughness of cast impeller refers to the micro geometric characteristics composed of micro spacing and peak valley on
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Visual inspection for appearance quality of impeller castings
The surface defects of impeller castings are first inspected by visual observation, in which a 5x magnifying glass is also
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Water glass sand casting molding
(1) Determine the position of the pattern in the casting sand mold Select a flat bottom plate and a sand
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Current situation of large steel casting production enterprises in China
There are more than 30 large-scale casting production enterprises in China, most of which are large and medium-sized state-owned enterprises.
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Water glass sand casting core making
As the water glass sand mold core is impacted and surrounded by high-temperature liquid metal, and the working conditions are