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An overview of the development of China Gear Forging

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买一套棋牌app需要多少 www.jbqtck.com.cn   Forging Research on the gear began in the 1970s, mainly in hot forging straight bevel gear based, after thorough research system, and achieved remarkable results, and has been widely used.
But with the development of industry, hot forging gear since the forging surface oxide and carbon layer, dimensional accuracy is not high, the internal organization coarse grains, precision mold and die life is not higher factors, resulting in gear accuracy is not high, the dimensional accuracy only reached 12, can not meet the development needs of the car industry, a growing number of researchers to look gradually turned cold forging.


  Spiral bevel gear forging research aspect, where domestic Machinery Industry Institute of the Scientific Committee on the initiative to "automatic production line spiral bevel gears" for the research, the research and development of spiral bevel gear forging, semi-forging technology, but because There are many difficult to solve the problem of mold and forging process, it has not been popularized in production.
Through the efforts of our researchers, Guoneishoutai NC spiral bevel gear grinding machine at the Central South University, published in 2002, Hunan Science and Technology Department at the Central South University, presided over the appraisal, that the machine is a computer involved in engagement theory, mathematics and gear, multiple degrees of freedom, and many other cutting-edge technology CNC linkage, is a national initiative, reached the international advanced level. Gear factory in Qingdao, Shandong University and after a long study, obtained from the dynamic spiral bevel gear teeth all the while forging out without cutting the initial results.

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