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
Scientific
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
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Application of subsidy scheme in Casting Technology
Casting refers to the process of melting solid metal into liquid, pouring it into a specific shape of mold, and
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Shrinkage porosity and shrinkage cavity casting defects and their control methods
Due to the liquid shrinkage and solid shrinkage of liquid metal during solidification, the holes formed at the last solidification
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Measured temperature field data of ring sand casting
The three groups of pouring test temperature data of ring sand casting during solidification are as follows: Figure 1, figure
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Distribution box and pouring link of diesel engine crankcase by sand casting
This link should focus on the inspection of personnel skills and experience. The operator’s work certificate can be checked. At
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Design of gating system for steel castings of dual phase steel pump casing
The dual-phase steel pump casing has the common characteristics of cast steel: high melting point, poor fluidity, large shrinkage, easy
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Casting process of dual phase steel pump casing
The pump casing is the main part of the water pump, which is mostly made of dual-phase steel. Different grades
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The turbine shell parts are processed by die casting technology
1. Design of turbine casing pouring system The internal and external contours of turbine shell parts are relatively complex. When
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Development status and trend of foundry industry
Since the end of the 20th century, with the progress of science and technology and the development of national economy,
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Measured temperature field data of flat sand castings
The temperature data measured in the solidification process experiment is the basis for solving the interface back calculation. Therefore, it
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Modeling and core making control of diesel engine crankcase in sand casting
These two processes are basically similar, which are the basis of the whole casting process and directly affect the box