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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Scientific
Wear surface morphology and wear mechanism of high chromium cast steel liner of ball mill
Micro morphology of worn surface The metallographic structure of the wear surface of the high chromium lining plate was observed
Scientific
Classification of graphite distribution in grey cast iron
Graphite in grey cast iron is flaky, and its distribution shape can be divided into a, B, C, D, e
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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 +
Scientific
Quality prediction of crankshaft casting
Through the numerical simulation software, the temperature field of the casting solidification process can be determined, and the isotherm and
Scientific
Welding repair of nodular iron castings
The graphite of ball milled cast iron exists in the form of spheroid, which reduces the cleavage effect on the
Scientific
The basic types and characteristics of the casting and molding pouring system for crankshaft casting
There are many types of gating system. For each kind of casting, it is necessary to design or select its
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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
Scientific
Improvement of spheroidizing method in the casting process of nodular cast iron
In the production process of nodular cast iron, a certain amount of additives should be added to the molten iron
Scientific
The important role of adjusting sand mold temperature in large gray iron casting
In order to adjust the sand temperature, the air temperature must be considered. Although the curing reaction of resin sand
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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
Scientific
Process optimization of sand casting brake disc
With the introduction of a large number of social cars, the demand for this kind of consumption parts of the
Scientific
Advantages and disadvantages of sand casting and lost foam casting
1 Advantages of lost foam casting (1) In the casting process, there is no need to lower the core, and
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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
Scientific
Filling velocity equation of sand casting for machine bed
Sand casting is a casting method in which the metal liquid fills the mold cavity under the action of gravity.
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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
Scientific
Study on the casting technology of nodular cast iron
The service performance of nodular cast iron is mainly determined by the microstructure and casting defects, among which the microstructure
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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
Scientific
Solidification simulation analysis and process optimization of pump valve castings in sand coated iron mold
In the process of solidification and cooling of sand-clad iron mold casting for pump valve castings, there are many cores
Scientific
Classification and materials of crankshaft castings
As the core part of internal combustion engine, crankshaft plays an important role. Due to the different number and size
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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
Scientific
Properties and characteristics of grey cast iron
Gray cast iron characterized by flake graphite has certain strength, hardness, modulus of elasticity, shock absorption, wear resistance and thermal
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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
Scientific
Control of oxygen and sulfur elements in the casting process of nodular cast iron
Oxygen and sulfur are the main surface active elements, which have an important influence on the change of graphite base