Simulation of shrinkage cavity formation in cylindrical steel castings
This steel casting is also an actual pouring example to test the simulation accuracy of the software. The shape of […]
This steel casting is also an actual pouring example to test the simulation accuracy of the software. The shape of […]
Since the 1980s, the rare earth industry has developed rapidly. Whether abroad or at home, the application technology of rare
Gray cast iron has low cost, low price and wide application. It has always accounted for a large proportion in
(1) Modulus calculation To calculate and design the riser, first analyze the product structure and calculate the modulus of thick
Surface sand sticking defect refers to the adhesion of a layer of sand particles on the surface of steel castings
Sand inclusion defects are surface defects of wet molding clay sand expansion, which mainly appear on the upper and side
As a high-performance material, nodular cast iron has been widely used in many industries. After years of development, the output
The description and general impression of casting defects of various cast steel joints are as follows: (1) The four cast
In the visualization of metal solidification numerical simulation, when the sand casting solidifies gradually, to display the solidification state, it
1.The designed and manufactured three-dimensional force mounting calibration device can calibrate the stress-strain system simply, quickly and accurately when measuring
The mechanical properties of samples melted and poured with different pig iron are shown in the table. It can be
Since the 1960s, forsund, Denmark, first applied the finite difference method to study the numerical simulation of solidification process, which
Bowl lining steel castings are the products produced by the machinery factory of Shougang Mining Company. The material is wear-resistant
The practical and reliable criterion of shrinkage porosity and shrinkage cavity defect is the most key content for the accurate
More advanced methods are adopted to accurately predict the shrinkage cavity and porosity defects in the solidification process of steel
The display of target data such as casting defects is an important part of 3D data field visualization of numerical
Some typical samples were selected to analyze the distribution characteristics of casting defects. (1) ZG-03 is a multi pipe intersection
Sometimes it is necessary to know the internal information of sand castings, so it is also necessary to display the
For the simulation of nodular iron castings, the following simulation test is carried out by taking the actual nodular iron
The formation of shrinkage porosity is due to the wide crystallization temperature range of the alloy, which tends to paste
With the development of industrial technology, the performance requirements of gray cast iron are higher and higher in various fields.
For the wear test of gray cast iron cutting tools, DWC CO (YG) cemented carbide standard tools are used, and
The foundry industry has a civilization history of more than 6000 years in China, and now it is facing the
The prediction of shrinkage porosity and shrinkage cavity defects of nodular iron castings has been lack of reliable and effective
1.Magnetic particle inspection The statistical results of magnetic particle flaw detection are given in the table. Four crack defects are
This flat casting was used in the riser verification experiment of secondary shrinkage formation carried out by Saburo Lintian in
1.Principle introduction During metal solidification, the volume shrinkage and solidification shrinkage between liquid and solid phase lines are the main
Shrinkage cavity and porosity defects are common defects in casting production. One of the purposes of numerical simulation of casting
For the calculation and Simulation of the temperature field of sand casting, the following takes the large casting thrust bearing
Heat is usually transmitted from one part to another through heat conduction, convection and radiation. In the process of sand