The key core components of the rail milling machine successfully developed a foreign monopoly in Qin

Recently, the key core components of the rail milling machine independently developed by Qinhuangdao Qiji CNC Machine Tool Co., Ltd., the rail milling device and control system, began to be applied to the Beijing subway track. This technology has filled the domestic gap and broke the foreign monopoly. It is of great significance to the maintenance of urban rail transit and the safe operation of China.
It is understood that due to the large volume of rail transit and high operating density in various cities in China, the working conditions of the rails are harsh, and it is easy to produce defects such as wave wear and fat edges, which have a major impact on safety, comfort, noise, etc. Therefore, Regular repairs to the rails are required, one to improve the stability, comfort and transport safety, and the other to extend the life of the rails and improve maintenance economy.
Rail milling machine is a new type of rail repairing equipment with clean, high efficiency, high precision and broad market prospect. It is widely used in Europe. For the core core components of rail milling vehicles - rail milling devices and control systems, China has not been able to produce independently, basically relying on imports, and imported models are extremely expensive.
In 2013, Qinhuangdao Qier 2 CNC Machine Tool Co., Ltd. began to tackle the technology of rail milling device and control system. After three years of hard work, it has overcome the high-precision spindle manufacturing, detection device and tracking algorithm, and many core technical indicators such as control system. The international advanced level, and completed the development of the device in 2016, through trial and error on the track, the indicators fully meet the user requirements, providing high-energy, high-efficiency, environmentally friendly high-end products for urban track maintenance in China.

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