"In the future, China's high-speed trains will gradually use 'China's own high-end bearings'!" During the National Day, news came from Luoyang Bearing Factory (hereinafter referred to as Luozhou) that high-speed railway bearings with speeds of 250 kilometers per hour and 350 kilometers per hour have been completed. Product design, process research and sample manufacturing. The product has passed the 1.2 million-kilometer durability bench test. The test results show that the bearing is in good condition and meets the standard requirements. Luo shaft has opened up the high-speed rail bearing development technology channel, and basically has the high-speed rail bearing mass production conditions.
Luo Shao is the first batch of industrial enterprises in the new China layout in 1954, creating many firsts in China's bearing industry. Breaking the foreign technology monopoly several times and endorsing the "China Axis". On September 27, 1982, the B3-706 and B3-707 precision coordinate boring machine bearings developed by Luo Shao won the National Gold Award. This is the only national gold award for high-quality products in the bearing industry.
The spindle is a key component of the precision optical coordinate boring machine. The radial swing error of the bearing inner and outer sleeves cannot exceed two thousandths of a millimeter. Under high-speed operation, the temperature rise of the bearing cannot exceed 15 ° C. At that time, only a few Western countries could manufacture such high-precision bearings.
The price of these two bearings developed and produced by Luo Shao is only 1/7 of the purchase of similar foreign products. The successful development of these two bearings indicates that China's high-precision bearing manufacturing technology has advanced into the world.
Today's Luo axis is still the golden sign of "Chinese axis". Luo Shao has the first batch of nationally recognized enterprise technology centers and the only national key laboratory in the bearing industry. Henan High-speed Heavy-duty Bearing Engineering Technology Research Center and Henan Bearing Product Quality Supervision and Inspection Center are also located here, and have established a complete bearing R & D experiment platform.
Xie Jin, deputy director of Luozhou Technology Center, said that at present, Luozhou can design and manufacture all nine types of bearings with various accuracy grades and more than 20,000 kinds of specifications. It has core technologies such as aero engine bearings, high-speed rail and rail transportation vehicle bearings, and special equipment bearings. The company has successively supplied bearing products for key national projects such as the Three Gorges Water Conservancy Project, Shenzhou and Chang'e Series aerospace projects, and the South-to-North Water Diversion Project.