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
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Analysis of back calculation results of interface heat transfer coefficient in sand mold casting
After the interface heat flow and temperature field data are solved by the inverse calculation program, the part of the
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Cause analysis of shrinkage porosity and casting defects of a diesel engine cylinder head
After sampling the casting defect location, the scanning electron microscope was used for analysis. After ultrasonic cleaning, the casting defect
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Application of dark subsidy in casting process
Since there are certain limitations and uneconomies in increasing metal subsidies, it is necessary to consider a process scheme that
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Design of feeding scheme for flange casting process
(1) The defects of the anchor support and the outlet flange are close to the processing surface, and the processing
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Analysis and solution of shrinkage casting defect of cylinder head of a diesel engine
The cylinder head of a certain type of diesel engine produced by ZHY Casting factory has complex structure, compact layout,
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Effect of casting defects on fatigue crack propagation
For commonly used aluminum alloy materials, the crack propagation life and crack nucleation (initiation) life account for about 30% ~
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Sand inclusion casting defects and their prevention and control methods
As a common casting surface defect, sand inclusion casting defect often occurs in wet casting thick plate castings. Typical sand
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Inverse calculation of temperature data of mold No. 1 unit in sand casting
According to the macroscopic definition formula of interface heat transfer coefficient, it is necessary to know the temperature T1 of
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Application of metal subsidy in casting process
Metal subsidy is one of the most common subsidies. Metal subsidy refers to the structure subsidized on the basis of
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Stress intensity factor of casting defects
As for the calculation of the stress intensity factor of casting defects, scholars have made a lot of efforts and
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Porosity casting defects and prevention methods
Porosity casting defect refers to the defect caused by the bubbles left in the casting before the liquid metal solidifies
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Back calculation results and analysis of interfacial heat flow in sand casting
The temperature data at the thermocouple measured in the experiment are sorted into the data form required by the inverse
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Fatigue performance analysis of structures with casting defects
With the continuous development and progress of casting technology, the casting structure under the new technical conditions has many advantages