Material, structure and quality requirements of investment castings
The blank size of coupler parts is large, and the outline is 594mm × 370mm × 350mm, which is a […]
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Blank structure of coupling parts of sand casting
The sand casting structure of coupling parts is often simpler than that of finished parts, because many structures of finished
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Cleaning and deformation of valve castings
It can be seen from Fig. 1 and Fig. 2 that the inner cavity of the casting of the electro-hydraulic
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Casting defects of casting riser of electro-hydraulic valve casting
It can be seen from Figure 1 that the structure of the electro-hydraulic valve body casting is complex, the wall
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Casting defects of electro-hydraulic valve casting
(1) there are two slender oil passages in the casting of electro-hydraulic valve casting, and it is difficult to form
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Casting defects of electro-hydraulic valve casting
The casting structure of the electro-hydraulic valve casting is complex (as shown in Figure 1), with two slender and curved
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Quality stability of electrohydraulic valve castings
Electro hydraulic valve casting is a kind of hydraulic control element. Its control pressure is much higher than that of
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Verification of investment casting gating system for large complex heavy duty coupler
The coupler casting scheme adopting the gating system of scheme B is trial cast. The appearance of the trial cast
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Simulation analysis and comparison of defects in investment castings
After solidification of investment casting in scheme a, there is shrinkage tendency, as shown in Fig. 1 (a), which is
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Analysis and comparison of solidification process of investment castings
In the solidification process of investment casting, the appearance, thin shoulder and thin-wall area of investment casting in scheme a
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Analysis and comparison of mold filling process of investment castings
During the mold filling process of investment castings in gating system scheme a, the metal liquid flows from the sprue
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Investment casting gating system for large complex heavy duty coupler
Coupler is the connecting device of rail vehicles. It needs to ensure that the connected carriages at both ends do
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Initial and boundary conditions of gating system in investment casting
The chemical composition of molten metal is detected in front of the furnace, and the results are shown in Table
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Determination of process parameters for sand casting of axle housing
Sand casting process parameters mainly include dimensional tolerance, linear shrinkage, draft angle and other aspects. The determination of these process
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Numerical simulation of sand casting process of hydraulic turbine blade and improvement of gating system
By designing the test device by pouring method, the thermophysical parameters of glass quartz sand used in actual sand mold
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Optimized sand casting process scheme of gearbox shell
At the place where the upper and lower cores form a diaphragm, chromite ore sand is used to replace ordinary
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Cause analysis of sand casting defects of gearbox shell
The diaphragm is connected with the main body of sand casting, stiffener, middle annular structure, oil passage and boss, resulting
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Sand casting process scheme of gearbox shell
ZL114A belongs to Al-Si alloy. A certain amount of Mg is added to Al Si alloy to form Al Si
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Technical requirements for sand casting of gearbox shell
The sand casting material of gearbox shell is ZL114A aluminum alloy, with high requirements for mechanical properties: tensile strength ≥
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Nodular cast iron and its casting characteristics
Nodular cast iron is a kind of cast iron whose graphite is spherical after treating molten iron with spheroidizing agent.
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Differential pressure casting technology of large complex gearbox shell
Al-Si alloy has good casting properties. After modification, inoculation and heat treatment, it has good comprehensive mechanical properties, corrosion resistance
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Prediction of shrinkage cavity and porosity of blade sand casting
The shrinkage porosity produced in the solidification process of sand castings is mainly predicted by using the shrinkage porosity criterion.
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Sand mold casting technology of tractor split axle housing
Taking the tractor split sand casting axle housing as the research object, the axle housing is made of zg40mn low
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Determination of pouring temperature of main sand casting of axle housing
Generally speaking, the higher the pouring temperature of sand casting, the better the fluidity of alloy liquid and the more
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Stress and deformation analysis of blade sand casting during solidification
Because the deformation of blade sand casting is difficult to predict and control, and the deformation of blade sand casting
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Simulation of temperature field of blade sand casting after improving gating system
The setting of simulation parameters is the same as that of mold filling process. After setting, the calculation and Simulation
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Improvement of gating system for blade sand casting
From the simulation results of traditional gating system, the following two aspects should be paid attention to when designing the
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Analysis of flow field simulation results of blade sand casting
After the pretreatment, the mold filling simulation experiment of blade sand casting will be carried out. The simulation results are
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Pretreatment of flow field simulation of blade sand casting during mold filling
1.Establishment of finite element model The sand casting process of hydraulic turbine blade is simulated and analyzed by ProCAST software.
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Design of gating system for sand casting of hydraulic turbine blades
We call all the channels of molten metal entering the mold cavity in the mold as the gating system, which