Present situation of casting technology for engine block
Material, mold, core making and inspection are the four basic aspects of engine block casting, which run through the whole […]
Material, mold, core making and inspection are the four basic aspects of engine block casting, which run through the whole […]
Large and medium-sized engine is an important power source of mechanical equipment, which is widely used in automobile, ship, engineering
Molding manufacturing technology can be used not only in functional testing, but also in product conceptual design, and also in
Layered solid manufacturing The foil of hot melt adhesive is painted on one side, and the parts are heated. In
The pillar industry of China’s economic development is the modern machinery manufacturing industry. In order to promote the sound and
The influence of process parameters on the shrinkage cavity and porosity in the semi-solid die casting process was studied by
In the process of analyzing the solid-liquid segregation, in order to identify the bright white cxal grains and the dark
Semi solid die casting is different from the traditional liquid die casting, which is mainly reflected in the different slurry
Shrinkage porosity defect is the key research object of this project. The observation method for this defect is fluorescence penetration
Vickers hardness measurement The unit of hardness measured is micro Vickers hardness. When hv-30 Vickers hardness tester is used, the
During the preparation of metallographic samples, sawing, cutting, grinding, polishing and other processes are required. After the blank samples to
(1) Aiming at the common shrinkage and porosity defects in semi-solid die-casting thick wall products, the microstructure analysis and mechanical
Solid liquid segregation is a typical semi-solid defect in thick wall products. It refers to the uneven distribution of solid
In semi-solid casting, in order to reduce or even eliminate the shrinkage cavity and porosity defect, the surplus slurry is
1 metallographic structure analysis The optical microscope (OM) used in this experiment is axiovert 200, and the magnification is 25,
The traditional liquid die casting metal from liquid solidification to solid state needs first liquid shrinkage in pure liquid state,
In the defect analysis of semi-solid thick wall products, shrinkage cavity and porosity are the typical defects studied. In the
Due to the characteristics of semi-solid slurry, semi-solid forming has the following natural advantages over other casting methods (1) In
The preparation of semi-solid slurry is the most important part of semi-solid forming technology. With the continuous development in recent
With the development of semi-solid theory and the promotion of semi-solid forming technology, more and more kinds of semi-solid die-casting
In 1971, Professor Flemings’ student DB When Spencer studied the hot cracking problem of alloy at high temperature, due to
Aluminum is the most abundant metal element in the earth’s crust. Although the large-scale preparation and industrial application of aluminum
Disa company in Denmark is famous for its vertical parting box less injection molding line and shot blasting machine. It
With the application of ductile iron in the global industrial field more and more widely, the quality requirements of ductile
Based on the previous calculation methods and results, some calculation factors have been modified by zhougengao Engineering Co., Ltd., and
Because of the special solidification property of ductile iron, it is easy to produce shrinkage cavity and shrinkage porosity. How
Automobile brake is the most important part of automobile chassis system, which bears the main responsibility of safe driving. In
By using ProCAST numerical simulation software to study the lost foam casting process of the representative steel and steel bearing
Firstly, the mechanism and manifestation of carburization defects in steel castings are described, and then the experimental methods and main
In order to study the impact resistance of steel castings at different temperatures, three temperature detection conditions, namely normal temperature,