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
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Foundry sodium silicate sand mixed sand
Sodium silicate sand can be mixed by various sand mixers. The mixed sand shall be placed in a covered container
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Impeller investment casting – sand casting check the pouring time according to the rising speed of liquid level
According to empirical parameters, when the wall thickness of impeller investment casting sand casting is > 40 mm, the minimum
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Matrix structure of lost foam casting and sand casting of gray cast iron
Figure 1 and Figure 2 show HT250 and HT200 gray cast iron respectively Φ The matrix structure of 30mm test
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Dewaxing of impeller shell in investment casting
Because the investment mold of impeller blade is fixed with rosin wax based mold material and sodium silicate sand sleeve,
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Study on heat transfer characteristics of lost foam casting
At the front of the lost foam casting filling mold, due to the reaction of metal liquid and foam, the
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Development of the mould material formula for impeller blade in investment casting
The quality of investment casting directly affects the geometry, dimensional accuracy and surface roughness of investment casting impeller. When investment
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Research status of casting technology of small impeller
a. Research status of casting technology of small and simple impeller For the casting impeller with small size, light weight
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Development trend of China steel casting industry in the next few years
1.With the expansion and transformation of some steel casting industries and the large investment and construction of local private enterprises,
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Graphite morphology in lost foam casting and sand casting of gray cast iron
Figure 1 and Figure 2 show the graphite structure of HT250 and HT200 gray cast iron under the conditions of
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Study on filling shape and speed of lost foam casting
The research on filling shape and filling speed not only has an important impact on the establishment of numerical simulation
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Lost foam casting process
Lost foam casting can also be called negative pressure or dry sand casting, because its characteristic is to use negative