Description of casting defects of cast steel joints
The description and general impression of casting defects of various cast steel joints are as follows: (1) The four cast […]
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Boundary contour and solidification state display of sand casting
In the visualization of metal solidification numerical simulation, when the sand casting solidifies gradually, to display the solidification state, it
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Influence of impurity element titanium on mechanical properties of gray cast iron
The mechanical properties of samples melted and poured with different pig iron are shown in the table. It can be
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Simulation of shrinkage porosity and shrinkage cavity defects in bowl lined steel castings
Bowl lining steel castings are the products produced by the machinery factory of Shougang Mining Company. The material is wear-resistant
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Display diagram of shrinkage porosity and shrinkage cavity defects of sand castings
The display of target data such as casting defects is an important part of 3D data field visualization of numerical
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Characteristics of casting defects in cast steel joint samples
Some typical samples were selected to analyze the distribution characteristics of casting defects. (1) ZG-03 is a multi pipe intersection
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Sectional view of sand casting entity
Sometimes it is necessary to know the internal information of sand castings, so it is also necessary to display the
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Calculation example of shrinkage porosity and shrinkage cavity defects in nodular iron castings
For the simulation of nodular iron castings, the following simulation test is carried out by taking the actual nodular iron
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Prediction of shrinkage porosity defects in nodular iron castings
The formation of shrinkage porosity is due to the wide crystallization temperature range of the alloy, which tends to paste
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Comparative study on cutting tool wear of gray cast iron with different alloying treatments
For the wear test of gray cast iron cutting tools, DWC CO (YG) cemented carbide standard tools are used, and
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Magnetic particle testing and ultrasonic testing of cast steel joints
1.Magnetic particle inspection The statistical results of magnetic particle flaw detection are given in the table. Four crack defects are
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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
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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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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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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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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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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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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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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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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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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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Comparative study on Microstructure of gray cast iron with different alloying treatments
The graphite morphology of the two gray cast iron samples is shown in Figure 1. It can be seen from
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Setting of linear shrinkage of sand castings
After any liquid metal is injected into the mold, it goes through three interrelated shrinkage stages from pouring temperature to
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Minimum wall thickness of steel castings
Thin wall structure accounts for more than 65%, the wall thickness of thin wall is 14-15mm, and the wall thickness
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Ultrasonic flaw detection of cast steel joints
After visual and magnetic particle flaw detection of cast steel joints, ultrasonic flaw detection shall be further carried out. Ultrasonic
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Pretreatment of sand casting process simulation
1. Model transformation and mesh generation The coupler body and sand casting process are modeled by proe and exported by
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Cost of molding materials for sand casting of steel castings
① Furan resin sand process The average amount of resin added is 0.9%, the amount of curing agent added accounts