Simulation of shrinkage cavity formation in plate casting with central riser
This flat casting was used in the riser verification experiment of secondary shrinkage formation carried out by Saburo Lintian in […]
Scientific
Scientific
Prediction of shrinkage porosity and shrinkage cavity defects in sand castings
1.Principle introduction During metal solidification, the volume shrinkage and solidification shrinkage between liquid and solid phase lines are the main
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Determination method of isolated hot spot and prediction algorithm of shrinkage cavity and porosity defects in sand castings
Shrinkage cavity and porosity defects are common defects in casting production. One of the purposes of numerical simulation of casting
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Simulation example of temperature field in sand casting
For the calculation and Simulation of the temperature field of sand casting, the following takes the large casting thrust bearing
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Solidification and heat transfer process of sand casting
Heat is usually transmitted from one part to another through heat conduction, convection and radiation. In the process of sand
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Numerical simulation software of sand casting
Although the numerical simulation technology of temperature field has become practical, in fact, there are still many aspects worthy of
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Development status of numerical simulation software for casting process
The basic idea of computer solidification simulation is that firstly, the geometric modeling of casting entity is meshed and discretized
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Casting defects of coupler tongue in trial production of railway steel castings
The casting defects of coupler tongue include crack, sand inclusion, mechanical sand sticking and other defects. In the actual trial
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Blow hole defect of wet molding clay sand steel casting
The blow hole defects produced by wet molding clay sand cast steel process are mainly intrusion blow hole and precipitation
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Casting numerical simulation software database
Casting material database system is an indispensable part of casting simulation software. For a complete set of numerical simulation software,
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Check sand casting
Sand casting fillet is directly related to the internal and external quality of products. At the joint, if the fillet
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Prediction of shrinkage porosity and cavity defects in castings
After years of development, the prediction criterion of shrinkage porosity and shrinkage defects of steel castings has reached a high
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NDT for casting defects of cast steel joints
According to the summary, a total of 50 casting defects were found in 24 cast steel joints, and the average
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Prediction of shrinkage porosity and cavity defects in numerical simulation solidification process
Shrinkage cavity and porosity defect is one of the most common defects in the casting process. The prediction of the
Scientific
Comparative study on cutting properties of gray cast iron with different alloying treatments
In the process of gray cast iron cutting experiment, the measurement cycle is 20 s, the cutting length of the
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Development stage of numerical simulation technology of casting process
The level of numerical simulation has reached a high level in developed countries, especially in the United States and Europe
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Avoid shrinkage cavity and porosity defects of steel castings
Many parts of construction machinery such as bulldozers and excavators are cast steel castings, which often have shrinkage defects. Light
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Shrinkage cavity and porosity defect of steel castings
The defects of shrinkage cavity and porosity are briefly introduced. Combined with the theories of filling capacity of liquid metal,
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Effect of alloying elements on Microstructure and properties of gray cast iron
The effects of alloy elements Cu, Cr and multi alloy additives on the microstructure and properties of gray cast iron
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Development of casting theory in China
At present, the casting theory is relatively perfect, which can play a certain guiding role in the juice setting process
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Casting defects of coupler body in trial production of railway steel castings
The main casting defects of coupler body include crack, air hole, sand inclusion and mechanical sand sticking. The main parts
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Control of shrinkage cavity and porosity defects of steel castings
Different steel casting production processes determine different production processes, but they can be basically divided into process design, model making,
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Technology of sand casting of steel castings for boom
1.Problem description Sand casting boom steel casting, steel casting No. 322232642, is an accessory of atlas process engineering machinery rock
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Quality inspection items of railway steel castings
Inspection and test are important means to ensure the quality of steel castings and the process quality of steel castings.
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Critical wall thickness and inner wall thickness of steel castings
When designing steel castings, the sensitivity of the mechanical properties of cast alloys to the wall thickness of steel castings
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Analysis of casting defects of steel castings
The steel castings were trial produced in two batches, and the first time was qualified, and the second time there
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Description of casting defects of steel castings
In order to verify the feasibility and universality of the proposed process design improvement method, three typical steel castings produced
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Trial production technology of railway steel castings
The production of coupler is divided into two work areas: sand casting and finishing assembly. The main processes of sand
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Shrinkage defects of castings of different materials
The shrinkage rates of several common iron carbon alloys are shown in the table. It can be seen from the
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Improvement of sand casting defects of steel castings
Through the production verification of product k141 and the implementation of lack of vision countermeasures, it can be seen that