Effect of Ti on the microstructure and properties of gray cast iron brake discs
Figure 1 shows the relationship between the tensile strength, Brinell hardness and w (TI) content of the test sample, in […]
Scientific
casting defects
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Shrinkage casting defects of special alloy gray cast iron frame
The structure of special alloy gray cast iron frame gray cast iron used in the power system of high-speed railway
Scientific
Casting defect analysis and process optimization of impeller casting
According to the solidification sequence of impeller casting, the timely feeding of riser can not be obtained at the thick
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Causes of shrinkage cavity and porosity casting defects
There are many reasons for shrinkage and porosity casting defects in castings. Deficiencies in product structure, smelting process, core sand,
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Shrinkage defects of high-grade gray cast iron cylinder head of large diesel engine
With the continuous improvement of the quality requirements of diesel engine products in the whole machine factory, higher and higher
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Original casting technology of gray iron castings for large engine oil pan
Resin sand is used for molding and core making. The compressive strength of resin sand is 5~7 kPa. Zircon powder
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Sand mold low pressure casting of aluminum alloy complex thin wall parts
Aluminum alloy castings are widely used in railway, military, aerospace, automotive, medical and other fields because of their good comprehensive
Scientific
Solution to local shrinkage crack casting defect of aluminum alloy cylinder head
With the implementation of the “Three Guarantees” responsibility system in the international automobile industry, the quality requirements of automobile parts
Scientific
Porosity casting defects of gray cast iron
Most of all kinds of porosity casting defects are located in the key parts of the cylinder block, and the
Scientific
Porosity defect of gray cast iron
Porosity casting defect has always been the most common defect in sand casting gray iron castings. It refers to the
Scientific
Fitting results of casting defect distribution of cast steel joints
There are many tests for statistical distribution, such as KS test, chi square test, etc. from the perspective of graphics,
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Optimization and defect prevention of Wet Mold clay sand casting process for railway steel castings
Aiming at the wet mold clay sand casting process of railway steel castings, the research is carried out from the
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Adjustment of batch production process of railway steel castings
The coupler tongue produced by the final process scheme of early steel casting trial production has successfully passed the inspection
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Casting simulation and casting defect analysis of cast steel joints
The casting simulation of four branch cast steel joints is carried out by using ProCAST casting simulation software to explore
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Solutions to casting defects of railway steel castings
In view of various casting defects in the trial production of railway steel castings, combined with the actual production conditions
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Statistics of casting defect test results of cast steel joints
As shown in the table, the frequency statistics of casting defect size can be obtained by summarizing the sizes of
Scientific
Damage detection and casting defect analysis of typical four branch cast steel joints
Casting defect data of 144 large and small sections of cast steel joints, including 74 sections with casting defects, accounting
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Formation of casting defects in railway steel castings
Cold crack refers to the crack caused by the local casting stress greater than the ultimate strength of the alloy
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Countermeasures for sand casting defects of steel castings
According to the above casting defect analysis and countermeasures, a new process diagram is finally formed, as shown in Figure
Scientific
Analysis of production defects in sand casting of steel castings
(1) The section diagram corresponding to the casting defect I is shown in Figure 1. The casting defect I occurs
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Damage detection and casting defect statistics of typical four branch cast steel joints
As shown in Figure 1, because the shape of casting defects in the node is irregular, the maximum value of
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Analysis and optimization of casting defects in trial production of railway steel castings
The basic technological process of trial production of railway steel castings is introduced, the final technological scheme (serving the mass
Scientific
NDT and casting defects of typical four branch cast steel joints
The test piece shall be cut in the area where the casting defects are concentrated as far as possible in
Scientific
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
Scientific
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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Judgment of shrinkage porosity and shrinkage cavity defects of castings
The practical and reliable criterion of shrinkage porosity and shrinkage cavity defect is the most key content for the accurate
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Prediction and data simulation of shrinkage cavity and porosity defects in steel and iron castings
More advanced methods are adopted to accurately predict the shrinkage cavity and porosity defects in the solidification process of steel
Scientific
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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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