Changsha Machine Tool Plant has successfully developed a large internal broaching machine to fill the domestic gap
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At the production site of the assembly workshop of the factory, the reporter saw the double-cylinder vertical broaching machine of the type L55120.
According to relevant researchers, the broaching broaching tonnage is 120 tons, the broaching stroke is up to 3 meters, and the machine tool height is over 9 meters.
It is the double-cylinder broaching machine with the strongest rigidity, the largest broaching force, the longest broaching stroke and the highest broaching precision in the broaching series of the factory. It is also the largest internal broaching machine in China.
Liu Hougen, director of Changsha Machine Tool Plant, told reporters that the broaching machine is a machine tool that uses broaches to machine various internal and external forming surfaces of workpieces. It can be divided into inner broaching and outer broaching according to the nature of work. Changsha Machine Tool Plant was one of the 18 arhats in China's machine tool industry and the largest broaching machine manufacturer in China. The first L55120 double-cylinder vertical broaching machine has been purchased by the Italian-owned company Brevini (Yancheng) Planetary Reducer Co., Ltd., and will be packaged and shipped to users.