There are some factors that can affect the machinability of gray cast iron in actual production
1.Purification degree of molten iron Some high melting point and high hardness particles remain in the molten iron and become […]
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Problems in the original sand mold casting process of axle housing
As the original sand mold casting process adopts the bottom pouring process, as shown in Figure 1, through comparative analysis,
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Determination of main sand casting parting surface of axle housing
For sand casting, in order to realize sand molding, mold taking, setting pouring riser and installing sand core, the sand
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Development prospect of sand casting simulation technology
Since the 21st century, solidification numerical simulation technology has been developing continuously, and is now in the stage of optimization
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Design requirements and structural analysis of sand casting axle housing
The structural types of axle housing can be roughly divided into three types: disconnected type, integral type and combined type.
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Effect of inoculation treatment on Machinability of gray cast iron
Another important link in obtaining high-performance gray cast iron is inoculation treatment. Before the solidification of molten iron, a certain
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Present situation of sand casting technology in China and abroad
In foreign countries, the analysis unit of “heat and mass flow analyzer” of Columbia University was first used in sand
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Effect of composition on Machinability of gray cast iron
Because the flake graphite in gray cast iron has good chip breaking and tool lubrication, the machinability of gray cast
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Sand casting of aluminum alloy box
Sand mold aluminum alloy has been widely used in modern aviation, aircraft manufacturing, automobile, tractor, instrument, electric power and other
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Factors affecting the machinability of gray cast iron
Iron carbon alloys with carbon content greater than 2.14% or eutectic structure in the structure are called cast iron. It
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Research status of engine block materials
The castings of engine cylinder block, cylinder head and cylinder liner not only have complex structure, various processes, great casting
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Welding repair process of nodular cast iron end cover casting
The structure of nodular cast iron end cover casting for train engine is shown in the figure. The material brand
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Improvement and verification of casting process of vermicular graphite cast iron brake disc
(1) Increase the use of return material In order to reduce cost and increase efficiency, the consumption of return material
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Lost foam casting process of cylinder block
As the core component of the engine, the cylinder block has complex structure, high precision requirements and difficult forming. lost
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Mass production of vermicular graphite cast iron brake disc
Brake disc has been widely used in the braking system of rail vehicles. Vermicular graphite cast iron is a new
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Surface nitriding of precision casting parts
Nitriding is a chemical heat treatment method in which nitrogen atoms penetrate into the surface of metal and alloy workpiece
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Mechanism and prevention of black spot defect on cast iron cylinder liner of diesel engine
Through comprehensive analysis of the test results, it can be seen that: (1) The slight difference of graphite morphology in
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Surface defects of AlMg10 alloy casting parts
Although the casting performance of Al Mg casting alloy parts is not as good as that of Al Si alloy,
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Effect of inoculant on black spot defect of cast iron cylinder liner of diesel engine
Inoculant is added during the post-treatment of molten iron furnace, and the melting point of inoculant is generally 1300 ~
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Formation mechanism of black spot defect on cast iron cylinder liner of diesel engine
The cast iron cylinder liner of diesel engine is generally produced by metal mold centrifugal casting. In production, it is
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Shrinkage porosity of nodular iron castings of wind turbine unit
The operation environment of wind turbine is relatively bad, and the supporting large parts should be used for a long
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Failure of qt800-3 nodular cast iron crankshaft
In February 2021, an automobile company conducted a bench test and operated at full speed and full load for 65
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Development of lost foam casting in China
In the middle of the 20th century, Shanghai Institute of mechanical manufacturing technology and the Ministry of mechanical industry began
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Analysis of tensile fracture mechanism of nodular cast iron
After normalizing, the tensile strength and elongation of nodular cast iron are improved at 930 ℃. In nodular cast iron,
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Development process of lost mold casting abroad
Lost mold casting has experienced the following three stages of development: The first stage is the American H.F. Sloy (Shroyer)
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Effect of normalizing temperature on properties of nodular cast iron
Nodular cast iron is a spheroidal graphite cast iron obtained by spheroidization and inoculation. From the aspect of production, the
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Causes of casting porosity in sand coated iron mold casting cylinder block
Six cylinder block is an important part of marine engine. The casting structure is shown in the figure, and its
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Research and application of a new type of vibrating table for lost foam casting
Lost foam casting requires that the molding sand can fill the mold space tightly during molding. Therefore, the vibrating system
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Overview of lost foam casting
Introduction 1. Lost foam casting process The lost foam casting process is simple, without complex processes such as core making,
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Low pressure casting technology of aluminum alloy flywheel housing
The flywheel housing is an extremely important power output component in the vehicle power system, and it is also a