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          NGC’s Montreal Subway Gearbox Passes Initial Client Inspection

          Published: 2019-12-17

              

          NGC’s Montreal Subway Gearbox (a PDM470 type dual-stage subway gearbox) passed its initial client Inspection.

          Montreal is Canada’s second largest city and one of the country’s most important economic centers. The PDM470 type gearbox was configured in strict accordance with the customer specification coupled with NGC’s many years of design and production experience. This product represents the latest development in subway gearboxes. It has the advantages of light weight, low noise output, a long lifespan, high reliability, and easy maintenance. The unique gear modification technology adopted has greatly improved carrying capacity and significantly reduced noise in order to meet customers’ requirements. At the same time, nonlinear finite element analysis technology has been used to ensure a lightweight design of the gearbox body and improve overall power density. Considering Montreal’s harsh climatic conditions in the design process high-toughness housing materials were used, and the lubrication route design was improved, enabling the gearbox to operate at - 40 ℃ ~ 50 ℃ ambient temperature. The design life of certain key parts is as long as 40 years, while the maintenance-free usage life is more than 1.25 million kilometers.

          As an expert and solutions provider of gearboxes and power transmissions, NGC has been deeply involved in the transmission technology field for 50 years. NGC’s rail vehicle transmission products have been widely used in subway, tram, inter-city, high-speed rail vehicles and locomotives as well as other application fields, and the company has successfully established long-term cooperation with several well-known manufacturers both at home and abroad. Adhering to the philosophy of the “zero defect concept and process”, NGC is dedicated to providing safe, reliable, and quiet gear products for global customers, and to provide a full range of rail transit gear solutions, whose products have obtained ISO/TS 22163:2017 certification (International Railway Industry Standard).

          With its optimized gearbox design technology, excellent sealing technology and effective control of the production process, NGC rail vehicle gearboxes now highlight their environmentally friendly credentials. Up until now, NGC has provided nearly 30,000 sets of subway gearboxes in China, North America, South America, Europe, Oceania, Southeast Asia, South Africa and many other places, garnering very positive feedback from end users throughout the world.

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          About NGC

          Expert in solutions for wind-turbine

          gearboxes and transmission systems

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