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Steel Arteries: A Century-Long Evolution of Railway Tracks
1. The Birth and Early Development of Railway Tracks 1.1 Railway Innovations During the Industrial Revolution When the Liverpool-Manchester Railway opened in 1830, it used fish-belly rails, each section only 4.5 meters…
Basic Knowledge Of Railways: Railway Transportation
Railway transportation is a land-based mode of transportation in which locomotives pull trains along two parallel rails. However, in a broader sense, railway transportation also includes non-wheel-on-rail methods such as maglev trains,…
Unveiling the Wonders of Cast Iron Gearboxes: Structure, Performance & Crafting Secrets
1. Basic Structure and Operating Principle of Cast Iron Gearboxes 1.1 Housing Design and Functional Features Cast iron gearboxes feature a closed structure, primarily consisting of an upper housing, a lower housing,…
Railway Switches: The “Invisible Commander” Of Train Lane Changes And The Steel Magician
Behind the speeding train, there is a group of silent “magicians” – railway switches. They lack the roar of a locomotive, but with precise mechanical language, they enable the steel dragon to…
Railway Switches: The “Flexible Joints” of Railway Tracks
On the criss-crossing railway network, trains shuttle back and forth like giant steel dragons. Behind this seemingly smooth operation, there is a key but often overlooked “behind-the-scenes hero” – the railway switches…
Railway Gearbox Gear Surface Roughness: Why Smoother Isn’t Always Superior
In modern railway transportation systems, gearboxes are the core components of power transmission, and their performance directly affects the operating efficiency and safety of trains. Gearboxes convert the high-speed rotation of the…
“Pi” In The High-Speed Rail Gearbox: Why Is 137.5° The Best Force Transmission Angle?
——The natural code and engineering miracle of the golden ratio in the design of high-speed rail gears When the CR400AF Fuxing EMU cuts through the sky at a speed of 350 kilometers…
China’s High-Speed Rail Gearbox Lubricant Revolution: Navigating Carbon Neutrality with Biodegradable Solutions
In the wave of accelerating global carbon neutrality goals, China’s high-speed rail, as a benchmark for the country’s strategic emerging industries, is undergoing a silent and profound technological change. The core of…
Why Is Rail Grinding Necessary?
In the maintenance and repair of heavy-haul railways, rail grinding is a very important task. Why is rail grinding necessary? This is because the service life of rails is directly related to…
Gearbox Evolution History: Size Changes from Waterwheel Mills to High-Speed Rail Gearboxes
In the process of human industrial civilization, the evolution of gearboxes as core components of mechanical transmission systems can be described as a miniature science and technology evolution. From the wooden gears…
Railway Sleepers: Strong Load Bearing To Support For Train Safety
Sleepers must support the rails, maintain their position, and transfer the huge pressure from the rails to the ballast. They must have a certain degree of flexibility and elasticity; being too hard…
Railway Track Braces: The “Invisible Guardians” of Curved Railway
Among the track components, the rail braces is installed on the outside of the rail to effectively resist the lateral force between the wheel and the rail. It is generally installed on…