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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Scientific
Effect of normalizing temperature on mechanical properties of nodular cast iron samples
The tensile specimens of room temperature nodular cast iron as cast and treated at different normalizing temperatures were tested at
Scientific
Numerical simulation of shrinkage cavity and porosity in lost foam casting process of original cast steel valve body
Figure 1 shows the distribution of shrinkage cavity and porosity predicted by numerical simulation technology under the original process scheme.
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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 and microstructure of nodular cast iron
The samples as cast and normalized were observed by Kearns vh-5000 ultra depth of field optical metallographic microscope. The metallographic
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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
Scientific
Cause analysis of porosity defects in green sand casting of cylinder head for heavy vehicle
During the mold test of the cylinder head, the casting air hole defect on the oil cover shell surface is
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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
Scientific
Problems and cause analysis of vibration compaction system in lost foam casting
ZHY casting adopts 20 ~ 40 mesh quartz sand and manual bag sand adding method. The size of sand box
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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,
Scientific
Low pressure casting defects of aluminum alloy flywheel housing
The structure of the flywheel housing is relatively complex and belongs to a typical thin-walled shell structure. Due to the
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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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Simulation of low pressure casting process for aluminum alloy flywheel housing
The low-pressure casting simulation model of flywheel housing is established by ProCAST. The simplified three-dimensional digital model of the die
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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
Scientific
Effect of molybdenum on tensile strength of gray cast iron
Based on the above experimental results, in order to verify the effect of molybdenum on the tensile strength of gray
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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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Effect of molybdenum on carbide precipitation of gray cast iron
Molybdenum is an element with strong affinity with carbon, which is conducive to the formation of the second phase particles
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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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Effect of molybdenum on matrix structure of gray cast iron
According to the different matrix structure, it can be divided into ferrite matrix gray cast iron, pearlite ferrite matrix gray
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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