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
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Introduction to the application process of casting coating
For the application of casting coating, brush coating, dip coating, flow coating and spraying methods shall be selected according to
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Classification and standard of casting coatings
Casting coating is one of the indispensable raw and auxiliary materials in the casting process, which has a significant impact
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Investment casting technology of aluminum alloy
Aluminum alloy castings are widely used in advanced weapons because of their low density, high specific strength, good corrosion resistance,
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Sand casting process classification and molding method of sand
Classification of moulding sand: According to different binders, molding sand can be divided into: (1) Clay sand (2) water glass
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Development of investment casting technology in aviation industry
Basic casting theory and forming law Due to the lack of theoretical research, the complexity and uncertainty in the filling
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Water based and alcohol based flow coating for cast steel and cast iron
The composition of white corundum is α – Al2O3, its content is over 98% – 99%, the impurity is very
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Application of investment casting technology in aviation industry
With the combination of investment casting technology, automatic control, computer simulation and other advanced technologies, the filling performance of alloy
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Effect of suspension agent type on properties of zircon powder flow coating
1. Test results and analysis Four kinds of suspending agent: HB type suspending agent, Henan Xinyang bentonite, Hebei Zhangjiakou bentonite,
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Production and development of precision sand casting technology
The development of aerospace industry is inseparable from the support of the casting industry. Some large aircrafts often need to
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Casting flow coating and its equipment
1. Refractory powder Commonly used refractory powders include zircon powder, brown steel jade powder, bauxite powder, quartz powder, mullite powder,
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Production technology of thin wall complex structure casting
With the development of automobile industry and the demand of energy saving and emission reduction, the lightweight of automobile parts
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Basic properties and test methods of flow coating
1.Properties of flow coating (1) The rheological properties meet the requirements of flow coating process. (2) Suitable coating thickness. Generally,