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Investment casting
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Release time:
2021-01-19
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Lost wax casting is now called investment casting, is a kind of less cutting or no cutting casting process, is an excellent process technology in the casting industry, its application is very extensive. It is not only suitable for casting of various types and alloys, but also produces castings with high dimensional accuracy and surface quality than other casting methods. Even castings that are difficult to cast by other casting methods are complex, high temperature resistant and not easy to process can be cast by investment casting.
Investment casting is developed on the basis of ancient wax casting. As an ancient civilization, China is one of the countries that used this technology earlier. As far back as hundreds of years BC, the working people of ancient China created this lost wax casting technology, which was used to cast products such as bell tripod and utensils with various fine patterns and characters, such as the tomb of Zenghou Yi in the spring and autumn. The base of Zeng Hou yi's tomb statue plate is a plurality of intertwined dragons, which are connected end to end and staggered up and down to form a multi-layer moire pattern hollowed out in the middle. these patterns are difficult to be manufactured by ordinary casting technology, while the lost wax casting technology can take advantage of the characteristics of paraffin wax that it has no strength and is easy to carve, and ordinary tools can be used to carve handicrafts made of paraffin wax the same as the Hou Zeng yi's tomb plate, and then additional pouring system, coating, dewaxing, pouring, you can get the exquisite Zenghou Yi tomb plate.
Modern investment casting methods were actually used in industrial production in the 1940 s. At that time, the development of aviation jet engines required the manufacture of heat-resistant alloy parts with complex shapes, sizes and smooth surfaces, such as blades, impellers, nozzles, etc. Due to the heat-resistant alloy material is difficult to mechanical processing, the shape of the parts is complex, so that can not or difficult to use other methods of manufacturing, therefore, the need to find a new molding process, so learn from the ancient lost wax casting, after the improvement of materials and technology, modern investment casting method on the basis of the ancient process to obtain important development. Therefore, the development of the aviation industry has promoted the application of investment casting, and the continuous improvement and perfection of investment casting has also created favorable conditions for the aviation industry to further improve its performance.
China began to apply investment casting to industrial production in the 5. and sixties of the last century. Since then, this advanced casting process has been greatly developed, and has been widely used in the manufacturing industries such as aviation, automobiles, machine tools, ships, internal combustion engines, gas turbines, telecommunications instruments, weapons, medical devices and cutting tools, and is also used in the manufacture of arts and crafts.
Investment casting is developed on the basis of ancient wax casting. As an ancient civilization, China is one of the countries that used this technology earlier. As far back as hundreds of years BC, the working people of ancient China created this lost wax casting technology, which was used to cast products such as bell tripod and utensils with various fine patterns and characters, such as the tomb of Zenghou Yi in the spring and autumn. The base of Zeng Hou yi's tomb statue plate is a plurality of intertwined dragons, which are connected end to end and staggered up and down to form a multi-layer moire pattern hollowed out in the middle. these patterns are difficult to be manufactured by ordinary casting technology, while the lost wax casting technology can take advantage of the characteristics of paraffin wax that it has no strength and is easy to carve, and ordinary tools can be used to carve handicrafts made of paraffin wax the same as the Hou Zeng yi's tomb plate, and then additional pouring system, coating, dewaxing, pouring, you can get the exquisite Zenghou Yi tomb plate.
Modern investment casting methods were actually used in industrial production in the 1940 s. At that time, the development of aviation jet engines required the manufacture of heat-resistant alloy parts with complex shapes, sizes and smooth surfaces, such as blades, impellers, nozzles, etc. Due to the heat-resistant alloy material is difficult to mechanical processing, the shape of the parts is complex, so that can not or difficult to use other methods of manufacturing, therefore, the need to find a new molding process, so learn from the ancient lost wax casting, after the improvement of materials and technology, modern investment casting method on the basis of the ancient process to obtain important development. Therefore, the development of the aviation industry has promoted the application of investment casting, and the continuous improvement and perfection of investment casting has also created favorable conditions for the aviation industry to further improve its performance.
China began to apply investment casting to industrial production in the 5. and sixties of the last century. Since then, this advanced casting process has been greatly developed, and has been widely used in the manufacturing industries such as aviation, automobiles, machine tools, ships, internal combustion engines, gas turbines, telecommunications instruments, weapons, medical devices and cutting tools, and is also used in the manufacture of arts and crafts.
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