Design of chemical composition of nodular cast iron for hub support
The selection of chemical composition should be considered from two aspects: ensuring good mechanical properties and casting properties of castings. […]
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Simulation of shrinkage cavity and porosity casting defects of ductile iron parts based on ProCAST
By individually adjusting the corresponding parameters of the example, we can intuitively understand the influence of these conditions on the
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Sand casting process design and gating system optimization of steam turbine end cover
The steam turbine end cover is used to seal the steam in the condensate. It has high requirements on the
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Material composition design and performance analysis of nodular cast iron for hub support
In order to obtain nodular cast iron that meets the requirements of high strength and toughness of automobile hub support,
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Special setting of casting defect simulation of shrinkage cavity and porosity of ductile iron based on ProCAST
Graphite expansion will occur in the solidification process of iron castings. While the liquid metal shrinks, the graphite expansion in
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Characteristic analysis of lost foam casting based on ProCAST simulation
The material of a flat casting is aluminum alloy alsi17cu3. The liquidus temperature is 636 ℃, the solidus temperature is
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Prediction method of shrinkage cavity casting defects
The main function of the casting process numerical simulation software is to simulate and predict the formation of shrinkage porosity
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Solution of numerical model of solidification process in lost foam casting
The methods for solving the differential equation of heat conduction in solidification process mainly include finite element method (FEM), finite
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Solution to gravity casting defects of aluminum alloy cylinder head
1. Solutions to “gap” casting defects After many tests, we finally understand that we must systematically match the three process
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Casting process of wear-resistant pump body
Furan resin sand is used for molding, and the 24h strength of sand mold (core) is controlled σ b≥1.0 MPa；
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Overview of solidification characteristics of lost foam casting
The high appearance quality of lost foam casting products is one of its advantages, but its internal quality is difficult
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Causes of gravity casting defects of aluminum alloy cylinder head
The causes of casting defects are all from the poor casting process design and structural design of the mold; The
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Simulation analysis of casting process and gating system of dual phase steel pump casing
The castings without riser system were introduced into magma, and the pouring posture of the connecting flange at the top
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Influence of casting defect location
Taking the circular casting defect with radius r as an example, the influence of the distance between the hole center
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Effect of casting defects on fatigue crack initiation
Under the action of alternating load, even if the stress amplitude is far less than the yield strength of the
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Pretreatment setting of solidification simulation of sand castings
The setting of simulation pretreatment mainly includes the selection of simulation items, material selection rules, heat exchange conditions, pouring conditions
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Casting process and gating system design of dual phase steel pump casing
Fig. 1 shows the current mainstream pump casing casting process. The water system is injected at the parting surface height
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Technology of ball milling nodular cast iron for automobile hub support
Hub support is an important supporting component of automobile suspension system. During automobile driving, it mainly bears alternating impact load,
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Influence of casting defect shape
The shape of casting defects includes a variety of irregular shapes, but the effect on stress concentration can be attributed
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Establishment of solidification geometric model and mesh generation of sand castings
In order to make the simulation results compare with the measured temperature curve, the established geometric model should be the
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Solution to shrinkage and casting defects of cylinder head of the diesel engine
1.First process improvement and verification tracking (1) Change to bottom pouring system. The layout of the ingate of the casting
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Future development trend of casting simulation technology
With the increasing maturity of computer technology, casting simulation software tends to be improved. Casting numerical simulation technology has become
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Application of subsidy scheme in casting process
Through the discussion and application of metal subsidy, dark subsidy and heat subsidy, it can be seen that these three
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Simulation of ProCAST solidification process in sand casting
Combined with the actual solidification process of sand castings, the three-dimensional model is established through UG, and ProCAST is used
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Development status of casting simulation technology
Casting simulation technology first rose abroad in the 1960s. Denmark, the United States, Germany, Japan and other countries have successively
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Variation of interfacial heat transfer coefficient with temperature in sand mold casting
The change of interfacial heat transfer coefficient with time obtained by back calculation can only be used to determine the
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Application of heat allowance in casting process
Another subsidy method that does not require product structure design changes is heating subsidy. The heating subsidy is to add
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Prediction of crack propagation life by casting defects
According to fracture mechanics, once the position of a certain point in the area near the top of the casting
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Overview of casting CAE Technology
As we all know, the casting process is an extremely complex high-temperature, dynamic and changing process, and the casting defects
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Crack casting defects and prevention methods
1. Cold cracking casting defect Cold cracking casting defect refers to the crack caused by the casting stress greater than