Current situation of equipment and wear-resistant casting in sandstone industry
Sandstone industry directly or indirectly affects the development of some industries, such as construction industry and cement industry. With the […]
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Application of titanium and titanium alloy castings
Titanium and titanium alloy have many excellent properties, such as low density, high specific strength, corrosion resistance, small linear expansion
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Internal stress, deformation and crack in valve casting
During the continuous cooling process after solidification, if the solid shrinkage of the casting is obstructed by Yin, the internal
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Application of magnesium alloy automobile parts in China and abroad
1. Application abroad Volkswagen is the first automobile company to apply magnesium alloy on a large scale in automobiles. As
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Advantages of magnesium alloy castings in automobile industry
The research shows that about 75% of the fuel consumption is related to the vehicle mass. Reducing the vehicle mass
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Prevention method of valve casting shrinkage
Shrinkage is the physical nature of the alloy. Under normal pouring temperature, the shrinkage volume of the alloy with fixed
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Solve the development problems of foundry industry
Since the 12th Five Year Plan, China’s foundry industry has continued to develop steadily, but its growth rate has slowed
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Formation of shrinkage cavity and porosity in valve casting
Formation of casting shrinkage cavity and shrinkage cavity during the solidification process of liquid metal in the mold, due to
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Development of machine tool castings in China
The progress of machine tool casting in China in the past 30 years can be seen in China International Casting
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Shrinkage of cast alloy and factors affecting shrinkage
1.Shrinkage in the process of solidification and cooling, the reduction of volume and size is called shrinkage. Shrinkage is the
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China’s steady and rapid economic growth needs high-quality machine tools
With the development of China’s economy, automobile, energy, ship, aviation, railway and other fields which are closely related to the
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Application of 3D printing in Foundry Technology
1 Rapid investment casting Investment casting, also known as “lost wax casting”, has a long history in China. It is
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Casting fluidity of casting alloy
Pure metals are rarely used in casting production, and various alloys are generally used. In addition to the mechanical properties,
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Mechanical properties of high chromium cast steel liner
The test results show that the microstructure of the high chromium cast steel is: tempered martensite + eutectic carbide +
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Problems of lost foam casting process in China
1 The core casting equipment technology has been stagnated for a long time in China (1) The performance of the
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Sand casting process core head
The shape and size of core head have a great influence on the processability and stability of core in mold
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Precautions in the purchase of casting coating
Attention shall be paid to the following items when purchasing casting coating: (1) Different materials of castings correspond to different
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High temperature alloy investment casting technology
High temperature alloy precision casting is widely used in advanced weapon equipment, such as turbine case of aircraft engine, interstage
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Comparison of sand casting and lost foam casting from the perspective of environmental protection
From the air pollution prevention and control law issued by the State Council and the Ministry of environmental protection, we
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Determination of technological parameters of sand casting
In order to draw the casting process diagram, the following process parameters must be selected after the casting scheme is
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Practical production cases of grey cast iron
In recent years, although nodular iron castings, vermicular iron castings and various light alloy castings have been developed rapidly, but
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The influence of key casting coating technology index on casting quality
The key technical indexes of casting coating have great influence on the quality of casting, as follows. Influencing factors of
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Investment casting technology of titanium alloy
With the rapid development of aviation manufacturing industry in recent years, large-scale precision titanium alloy castings are more and more
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Production status of ductile iron castings
In recent years, the development of nodular cast iron is very fast in our country. The proportion of nodular cast
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Selection principle of parting surface in sand casting
The choice of parting surface is also one of the key factors for the casting process. If the casting is
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Trace impurity elements in grey cast iron and nodular cast iron
In many occasions, some people often mention the problem of trace elements in cast iron, which is also the concern
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Testing method of casting coating
Generally, for a qualified casting coating product, in order to ensure the normal realization of the function of the casting
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Investment casting technology of magnesium alloy
As a commercial metal structure material, magnesium alloy has the advantages of high specific strength, good casting formability, superior damping,
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Production line of pump valve casting iron mold sand coated casting
The production practice of iron mold sand covered casting pump valve castings shows that the iron mold sand covered casting
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Development of sand casting process drawing
The first step of casting production is to determine the casting process plan and draw the casting process diagram according