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      Continuous communication, attentive transmission

      Creating a world-famous enterprise and transmitting the power for human civilization advancement

      First Batch of NGC Gearboxes for Grand Paris Express Delivered

      Published: 2021-06-21

          

      Recently, the NGC rail transit business division delivered its first batch of gearboxes for the Grand Paris Express project. This featured the PDM470 type twin-stage metro gearbox.

      Paris is the capital and largest city in France, and also the country’s political, economic, cultural and commercial center. It is regarded as one of the world’s five major metropolises. Little Paris (Petit Paris) and Grand Paris are different concepts. Petit Paris refers to the city within the main ring road. Grand Paris is composed of seven departments around the city; it has a population of 11 million and accounts for 1/6 of the total French population.

      The PDM470 type metro gearbox is one of NGC’s platform products especially developed to better meet customer requirements. Products feature a modular design, which means that various project requirements can be met simply by modifying the corresponding module. This platform gearbox has been successfully installed in Montreal and Mumbai. The PDM470 type metro gearboxes feature the advantages of light weight, low noise, long life, high reliability, and good maintainability. Products have a unique gear modification technology, which greatly improve the carrying capacity of the gear and significantly reduce noise to meet even the most stringent requirements. At the same time, nonlinear finite element analysis technology is used on the lightweight design of the box body in order to improve the overall power density of the gearbox. The design life of all key parts is 40 years, with a maintenance-free life of more than 1.25 million kilometers.

      As an expert & solution provider of gearboxes and power transmissions, NGC has been deeply involved in transmission technology for more than 50 years. The company’s rail vehicle transmission products have been widely used in the fields of metros, trams, inter-city express lines, high-speed rail vehicles and locomotives. NGC has established long-term cooperation agreements with several well-known manufacturers both at home and abroad. Adhering to the philosophy of “zero defects in concept and process”, NGC is dedicated to providing safe, reliable, quiet gear products for global customers and providing a full range of rail transit gear transmission solutions. At the same time, NGC has been awarded the ISO/TS 22163:2017 (international railway industry standard) quality system certification and CRCC railway product certification.

      By virtue of its optimized gearbox design technology, outstanding sealing technology and effective control of production processes, the NGC rail vehicle gearboxes are superior to competitor products in terms of environmental friendliness. Today, the company has more than 40,000 sets of metro gearboxes running on metro lines in China, North America, South America, Europe, Southeast Asia, and South Africa. All products have received excellent feedback from users.

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