Process analysis and process parameters determination of casting structure of axle housing
The structural design of the axle housing can be roughly divided into the following aspects: the functional design of the […]
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Research on sand mold casting technology of tractor axle housing
Taking the tractor split axle housing as the research object, the paper firstly analyzes the process of the overall structure
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Main quality problems of casting axle housing
At present, most companies use sodium silicate sand mold casting and V-method casting process for production. In view of the
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Main research contents of sand mold casting technology for tractor open axle housing
As the key part of tractor, the main research contents are as follows: firstly, analyze the process of axle housing
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Development prospect of casting simulation technology
Since the 21st century, solidification numerical simulation technology has been developing continuously, and it is in the stage of optimization
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Present situation of casting technology at China and abroad
In foreign countries, the analysis unit of “heat and mass flow analyzer” of Columbia University was first used in casting
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Research status of casting simulation in China
Casting belongs to liquid metal forming technology. In actual production, casting engineers often make process according to previous experience, and
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Sand mold casting technology of tractor axle housing
A certain type of broken axle housing of a company is mainly used for tractor load-bearing bridge, with an annual
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Correlation between Austempered Ductile Iron and its tensile properties
Several tensile test bars with the sizes of Φ 7mm × 90mm, Φ 12mm × 100mm and Φ 17mm ×
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Effect of austempering process on tensile properties of Austempered Ductile Iron
Several samples with diameter of 7 mm are taken from the Φ 50 mm ductile iron test bar for isothermal
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Phase composition of Austempered Ductile Iron
The as cast microstructure of ductile iron with modulus Ms = 1.25cm is 6.0% pearlite + 94.0% ferrite. Several samples
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Experimental materials and methods for heat treatment process of high strength and high toughness cast lock ring for dredger
The chemical composition of cast high strength and high toughness locking ring steel for dredger was studied. The lock ring
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EPMA analysis of carbon content in austenite of nodular cast iron during austenitizing
(1) With the increase of casting modulus MS, on the one hand, the amount of graphite precipitation in nodular iron
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Variation of microstructure of as cast ductile iron with casting modulus (wall thickness)
For austempered ductile iron, the carbon content in high temperature austenite and retained austenite has a significant effect on the
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Microstructure analysis of nodular cast iron
OM Observation The metallographic sample is made by standard metallographic technology. The concrete methods are: grinding the observation surface on
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Characterization of mechanical properties of ductile iron
Tensile test Ht-2402-100kn universal testing machine is used to measure the tensile properties of ADI in strict accordance with GB
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Melting process control of ductile iron
Temperature test of molten iron Ya1-w330 portable melting thermometer is used to measure the molten iron temperature in the process
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Austenitizing water quenching and austempering treatment of nodular cast iron
In order to test the carbon content in austenite during austenitizing, gsl-1500x 1500 ℃ high temperature vacuum tube furnace was
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ProCAST simulation conditions and parameter setting of sand casting axle housing
The basic operation methods of numerical simulation include finite element method, finite difference method, boundary element method and direct difference
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Sample design and preparation of ductile iron
After the ductile iron test bar is taken out of the box, the angle grinder is used to cut the
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Casting mold and casting technology of ductile iron
Ordinary clay sand molding is adopted, and the molding process includes mold processing, sand mixing, sand pounding, box turning, vent
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Spheroidization and inoculation of ductile iron
The spheroidizing treatment was carried out by the method of in package charging. The spheroidizing temperature is 1450 ~ 1500
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Research contents of Austempered Ductile Iron
(1) EPMA analysis of carbon content in austenite of ductile iron ① The effects of austenitizing temperature and austenitizing holding
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Research target of Austempered Ductile Iron
By strictly controlling the chemical composition, melting process, spheroidizing inoculation process and casting modulus of nodular iron, high-quality nodular iron
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Problems in research of Austempered Ductile Iron
Heat treatment is usually used in strengthening and toughening treatment of ductile iron. The heating temperature of most heat treatment
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Research achievements of Austempered Ductile Iron in China
In terms of molten iron melting and spheroidizing treatment, Shen Yonghua has produced high-quality Austempered Ductile Iron blanks by using
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Research progress of Austempered Ductile Iron in China
It is the first time in our country to austemper the rare earth magnesium nodular iron at lower temperature and
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Foreign research on isothermally quenched ductile iron
Krzy ń ska a analysis by transmission electron microscopy (TEM) shows that the ferrite in acicular ferrite in ADI is
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Research progress of Austempered Ductile Iron abroad
The research of Austempered Ductile Iron in the world began in the 60s of last century At the end of
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Isothermal salt bath and tempering of spheroidal graphite cast iron
In order to obtain ADI material with stable structure and performance, the salt bath used for isothermal transformation should have