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
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Melting and pouring control of lost foam casting for axle housing of cast steel engineering
In order to ensure that there is no dead corner in the negative pressure inside the sand box, 5 air
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Lost foam casting process for cast steel valve body
Lost foam casting is a negative pressure full mold casting technology developed on the basis of vacuum sealing molding combined
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Design of coating spraying process test scheme for cylinder sand castings
The coating methods mainly include spraying, brushing, flow coating, dip coating and drenching coating. Uniform spraying coating and high dimensional
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Implementation of EPC process scheme for nodular cast iron vacuum rim casting
1. EPS foaming white mold EPS material has good cutting performance, fast NC machining speed and high precision. The mold
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Lost foam casting of cast steel engineering axle housing
Axle housing is one of the main components of engineering vehicles, which carries the strong force of transmission and load.
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Effect of coating on Sand Bonded sintering quality of cylinder block sand castings
The mold and core used to produce sand castings are bonded by sand particles with binder, so there are many
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Lost foam process design of nodular cast iron vacuum rim casting
Lost foam casting process is a casting process in which EPS white mold models similar to the size and shape
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Study on surface sand sticking and coating technology of cylinder block sand castings
There are many factors affecting the surface quality of sand mold castings. From the aspect of sand mold, the material
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Lost foam process of nodular cast iron vacuum rim casting
Vacuum rim is a safety component of the driving system of transportation machinery such as commercial vehicles and engineering vehicles.
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Experimental process of sand sticking on the surface of engine cylinder block in sand casting
Several typical thin-walled engine block sand castings such as ea188 were selected and formed by wet sand casting process. Experimental
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Calculation of effective pouring time of large castings
In production practice, the length of casting pouring time is directly related to many quality factors of castings. For example,
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Cast iron material for automobile engine block
Gray cast iron has good casting process and mechanical properties, excellent wear resistance, vibration damping and thermal conductivity, and low
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Sand casting engine block
The surface quality of sand castings not only affects the appearance of non machined surface parts of products, but also
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ZHY Casting senior engineer team talks about gating system design experience of sand casting
In order to obtain high-quality sand castings, both at home and abroad pay great attention to the design of gating