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"A small step in gear, China is a big step." Li Guosheng, chairman of Hunan Zhongda Chuangyuan CNC Equipment Co., Ltd. told reporters that one of the fundamental reasons why China's major equipment power plant manufacturing technology has been subject to people is that the gear manufacturing process is backward. Large-size, high-precision bevel gears are mainly used in large-scale ships, locomotives, mining metallurgy, energy mining and defense military equipment. They are the core components of advanced power plants. For a long time, their processing technology and processing equipment have been monopolized by Western developed countries. Previously, China's annual import of high-precision and large-size gears cost US$200-300 million, the unit price exceeded 300,000 yuan, the price was high, and the supply period was long, which restricted the development of China's equipment manufacturing industry.
According to reports, the world's largest grinding machine has a diameter of 800 mm. The development of the 1000 mm CNC bevel gear grinding machine has always been the industry's dream. China's research on bevel gear started in the 1970s. In recent years, the research and technology team headed by Professor Zeng Wei from Central South University has concentrated on this and mastered the core technology. Founded in 2004, Zhongda Chuangyuan Co., Ltd. invested hundreds of millions of dollars to enter the industrialization of bevel gear digital manufacturing equipment. YK20100 breaks through many technical problems and adopts seven-axis five-linkage control. The gear processing precision is above GB5, and the price of the same type of gear is only 1/5 of the imported gear.
It is reported that the pair of gear grinding machines "twin" were bought by Zhangjiakou and Wenzhou companies yesterday. At present, Zhongda Chuangyuan has received 8 new orders, amounting to 50 million yuan.
The world's largest bevel gear machine is off the assembly line in Changsha
On the 10th, Hunan Zhongda Chuangyuan CNC Equipment Co., Ltd. two high-end CNC machine tools YK20100 with a diameter of 1000 mm bevel gears were officially launched in Changsha and delivered to customers. This is the world's largest full CNC bevel gear grinding machine. It marks a major breakthrough in the manufacturing technology of power equipment for major equipment in China, and declares that the pattern of China's high-end bevel gear processing machine tools completely dependent on imports has been broken.