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“Ice and Fire Symphony” of High-speed Railway Gearbox: Extreme Survival Battle from -30℃ to 80℃
On the high-speed railway trains, the gearbox, as the “heart” of power transmission, always silently supports every gallop behind the scenes. However, this “heart” has to withstand severe tests in extreme temperature…
Unveiling the Secret: How Gearboxes Fight Rust with Triple Invisible Armor
Amid the roar of industrial equipment, gearboxes, as the core components of power transmission, are always under the test of high load and high speed. However, when rust quietly climbs onto the…
Steel Rails: Important Part of The Railway System
Railway accessories are part of the railway lines. Railway equipment is an important part of the railway system, and steel rails are the main feature of railway equipment.From the fragile cast iron…
What Is The Differences Between Permanent Magnet Traction Motor and Linear Traction Motor?
In the core areas of rail transit, high-end manufacturing, and even future maglev technology, traction motors play an irreplaceable role. However, there are fundamental differences in motion modes and implementation paths between…
Gearbox life is short? It may be that these 3 steps were omitted during casting!
As the “heart” of the mechanical transmission system, the performance and life of the gearbox are not only related to the stability of equipment operation, but also directly affect the efficiency and…
110,000 Trains! China-Europe Railway Express Writes a New Legend for ‘One Belt, One Road”
With the departure of the 75052 China-Europe freight train from Jiaozhou Station in Qingdao, the total number of China-Europe freight trains has exceeded 110,000. Since the unified brand was launched in 2016,…
Why is the gearbox the “heart” of the transmission system? — Cross-border application from railways to wind power
Beside the high-speed rail tracks, under the huge blades of offshore wind turbines, a seemingly ordinary but crucial component-the gearbox, is silently undertaking the core conversion task of mechanical power. It is…
Desert Steel Artery: Africa’s First Heavy Haul Railway Completed – A New Model of China-Africa Cooperation
On July 7, 2025, the 135-kilometer priority section of the Western Railway and Mining Line project in Algeria, constructed by China Railway Construction Corporation, was officially completed, marking a breakthrough in the…
Casting factories don’t talk about environmental protection? Win wind power orders with “green hot metal”
In the wave of global energy transformation, the wind power industry is expanding at an alarming rate. However, when people focus on the light rotation of blades and the towering towers, few…
Sealing Design Technology for High-Speed Train Gearboxes: A Precise Line of Defense for Power
When a high-speed train at a speed of 350 kilometers per hour races across the land, its core power units – the traction motors and gearboxes – are undergoing extreme and rigorous…
Cast Iron ≠ Low-End! Analysis of the “Material Code” of Wind Turbine Housing
In the field of industrial materials, the term “cast iron” is often labeled as “low-end” and “bulky”, and is even mistakenly believed to be only suitable for low-load components. However, in the…
The Next Decade of Wind Power: the “Size Anxiety” of Casting Plants and the Way Out
When the wind turbine blades with a diameter of more than 250 meters draw arcs in the clouds, and when the power of a single wind turbine exceeds 15 megawatts (MW) –…