Excavator guide wheel of sand casting defects
With the continuous development of mechanization and integrated construction in China, the scale of construction machinery industry is expanding year […]
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sand casting
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Determination of gating system type and size in sand casting
Since the sand casting material is aluminum alloy ZL105, an open gating system is adopted. It has the following characteristics:
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Optimization of sand casting process for rear axle housing
(1) Gating system optimization. Aiming at the problem of unstable liquid metal filling, the gating system was improved. The optimized
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Rapid sand casting filling of cylinder head
The reasonable gating system, riser, pouring temperature, pouring speed and other boundary conditions are optimized by using the criteria of
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Fracture defect of guide wheel of sand casting excavator
Through the analysis of the failed parts by the method of factor diagram, the reasons for the fracture of the
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Simulation of sand casting scheme for rear axle housing
(1) Mold filling simulation analysis. Figure 1 and Figure 2 are the simulation diagrams of sand casting at 7.5 s
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Setting of pretreatment parameters for sand casting
(1) Task setting: select sand casting, mold filling analysis and heat / solidification analysis before and after mold filling. (2)
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Determination of pouring position in sand casting
The pouring position of sand mold casting is the position of the casting in the mold during pouring. It directly
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Sand casting of steel castings for excavator rear axle housing
The design of sand casting process plays a key role in the quality of castings. The traditional process design of
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Defects in sand casting process of rear axle housing
The sand casting process adopts two box molding and furan resin sand molding and core making. The diameter of the
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Heat transfer coefficient of solidification interface of sand casting
ZL105 aluminum alloy has low density, high strength and good casting properties. It has been applied to automobile, machine tool,
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Rapid sand casting of engine cylinder head
Through the research, a complete process route of rapid sand mold casting is obtained. ① ugnx8 0 software to establish
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Numerical simulation results of sand mold gravity casting scheme
The working environment of engine cylinder head in the engine is poor, which needs to bear high thermal load and
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Analysis of sand casting process of cylinder head
According to the analysis of sand casting process, the design of three gating systems is put forward. The influence of
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Analysis of mold filling process of sand castings
For the second Pouring Scheme of cylinder head, the temperature field distribution of symmetrical top injection inner gate during mold
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Sand core design and parting of sand castings
Firstly, the sand core design and block processing of the model are carried out. At the same time, the block
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Measurement of sand casting and mold temperature
The temperature cooling curve of sand castings in phenolic urethane resin sand is shown in the figure. From figure (a),
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Casting technology and properties of sand casting cylinder head
According to the sand mold casting process CAD system developed by the laboratory, the casting process design is carried out.
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Design of riser in sand casting
The riser is to compensate for the possible shrinkage during the formation of sand castings, prevent the shrinkage cavity and
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Numerical simulation of mold filling and solidification process of cylinder head in rapid sand casting
With the development of economy, China’s automobile industry has developed rapidly, but it is facing the problems of unreasonable industrial
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Design of gating system in sand casting
The gating system of sand casting is used to guide the liquid metal into the mold cavity. According to the
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Three dimensional geometric modeling of engine cylinder head in sand casting
Ugnx8 0 software to model the three-dimensional model of sand casting engine cylinder head. UG NX is a new generation
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Sand casting engine cylinder head
The casting blank of automobile engine cylinder head produced by sand mold gravity casting is shown in Figure 2-1. ZL105
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Study on mold filling process of iron mold sand coated casting and cooling analysis of nodular cast iron crankshaft
(1) The process characteristics and heat transfer mode of iron mold sand coated casting are analyzed. Aiming at the common
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Mold filling simulation experiment of iron mold sand coated casting for Flywheel Casting
(1) The performance requirements of flywheel casting are analyzed, the casting process scheme is designed, and the process parameters are
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Conclusion of mold filling simulation experiment of iron mold sand coated casting of Flywheel Casting
(1) The theory of self shrinkage is used to improve the hole filling rate of Flywheel Casting. (2) In the
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Numerical simulation results and analysis of sand casting of large root arm boss of excavator
Under the same process parameters, three sand casting schemes were numerically simulated (Fig. 1). It can be seen from the
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Function, classification and setting principle of exhaust system in sand casting
1. Function of sand casting exhaust system (1) The exhaust system of sand mold casting discharges the medium-sized cavity of
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Mesh division and boundary condition setting of sand casting for large boom boss of excavator
Three process schemes of sand casting were numerically simulated by ProCAST software. The model is modeled by Pro / E
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Sand casting technology of large root arm boss of excavator
The sand casting of the boss at the root of a boom is made of ZG25, with a total length