Metro Gearboxes Developed by NGC for Tunisia Passed First Inspection

After bagging an order of 4,800 sets of rail vehicle gearboxes from South Africa in 2013, NGC has again entered the African market. This time, NGC will provide 362 sets of metro gearboxes for Tunisia, a country located in the northernmost tip of the African continent.

The metro gearboxes for Tunisia are PDM400 two-level-transmission-structure gearboxes. These gearboxes have passed their first inspection last month, which covered various test data, appearance, as well as parts and related technical documents.

Tunisia is located in the middle of the Mediterranean region, with a coastline of 1,300 kilometers. It is one of the few countries in the world that integrates beaches, deserts, mountains, forests and ancient civilization. It is a country that boasts of a long and rich civilization and multiculturalism.

A metro gearbox is a key component of the electric traction system of rail vehicles. It operates under variable loads, high vibration, and other working conditions, therefore, it has very stringent requirements in safety and stability. Through the metro vehicle simulation analysis carried out under different conditions, NGC ensures that the gearbox satisfies the requirements on strength and rigidity, at the same time ensuring that the bearings and gears are sufficiently lubricated while the gearbox is operated under different tilting conditions. The metro gearbox developed by NGC adopts a number of patented technologies and unique gear modification technology, effectively improving its carrying capacity, endowing the gearbox with a high power density, strong load bearing, high reliability and easy maintenance. etc, The life cycle of a gearbox is more than 1.2 million kilometers.

As a global expert and solution provider of gearboxes and power transmissions, NGC has almost 50 years of experience and know-how in transmission technology. In the field of rail vehicle transmission, NGC is committed to providing safe, reliable, quiet gear products for global customers. The Company business covers applications for the metro, tramcar, inter-city, high-speed trains, locomotives, among others.

Adhering to the “zero-defect philosophy and process”, NGC employs exquisite craftsmanship in the manufacture of high quality products and ensures that the products conform to high quality standards throughout their entire life cycle in order to create maximum value for its users. After years of hard work, NGC has accumulated rich experience with its global customers. NGC has excellent management experience and a worldwide network that ensures the safety of operating the user's vehicle. Today, more than 25,000 existing rail vehicle gearboxes are stably operating in China, North America, South America, Australia, Europe, Southeast Asia, Africa and other places in various types of vehicles and equipment. NGC’s products are well received by users. (by Qian Hongru)

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