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Development history of foreign light alloy die casting technology
Copy from:    Author:kenostian    Time:2016-01-05 19:09:54    Popularity:498

   In foreign countries, pressure casting developed earlier, it is generally believed that the casting technology of the first appeared in the early 19th century, when the printing industry widely used pewter casting type. With the continuous development of industrial production and technology, light alloy die casting technology and die casting equipment in development. The die casting process has been continuously improved on the original basis. For example, in order to eliminate die casting internal porosity, shrinkage cavity, shrinkage porosity, improve casting quality, vacuum die casting to obtain a patent  in the United States in 1958. In 1966, the American General Motors company proposed precision, speed and close die casting method, the double punch die casting; in 1969 the United States Ailieke presents no stomata casting oxygenation Diecast method.

   With the appearance of new die casting materials, the application scope of the die casting technology is also expanding. Therefore, in recent years,
aluminum die casting, magnesium alloy die casting in the actual production continued to show growth trend. Semi solid technology from the 1990s started industrialization, after ten years of research, now has entered the application stage of industrialization, us in technology research and development and industrial applications, such as in the leading position in the world, European countries and Japan also continued with the launch of the work and achieved great progress. Semi solid casting technology also in many scholars' attention, and achieved significant progress, the scope of its application is also gradually expanding. With the development of light alloy die casting technology, aluminum alloy die-casting products to its own advantage to win the market, gradually replaced many of the cast iron products, especially in the field of automotive industry.


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