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1. The Axle Box: an important part of the Locomotive Drive System 1.1 In a locomotive’s drive system, the axle box is a very important part. It is a heavy casting, big…

In today’s globalized world, railway networks serve as the veins of the world, connecting the economies and civilizations of all continents. No entanto, behind this steel network lies a set of precise and…
Quando um trem de alta velocidade viaja a mais de 300 km/h, seu principal componente de transmissão de potência – a carcaça da caixa de engrenagens – suporta enormes cargas e impactos. Precisa de uma estrutura semelhante a aço (“Osso de Ferro”) to bear the weight and…

When the Eastern Zhou “Pan Chi” Bronze Ding sits in the Luoyang Museum, its patina hides an ancient Chinese invention: sectional mold casting. Three thousand years ago, artisans used clay molds for…

When customers send us drawings for railway castings, machinery components, or structural steel parts, one of the questions we frequently receive is: Should we use Q235A, Q235B, Q235C, or Q235D?” At first…

Across fields, valleys, tunnels, and viaducts, high-speed trains fly past. Inside these trains, gears play a vital role. These gears need a home, a place to reside – this is the gearbox…

1. What is Ductile Iron? 1.1 Ordinary cast iron is like a piece of biscuit – hard but full of empty structures inside, so that it is very easily crackedd. It’s easy…

In the world of railways, steel is the silent backbone. Choosing which type of steel is not a simple matter of theoretical discussion; it directly affects the operational safety, maintenance costs, and…

EU. Precise Installation Of Railway Fish Plates 1.1. Pre-construction Preparation: Check “Workpiece”: Carefully verify the model of the fish plate, and inspect for any scratches, dents, or rust. Thoroughly clean the steel…

EU. Fault One: Switch Jamming 1.1 Fault Phenomenon: When the operator issues a conversion command in the control room, the switch moves slowly and with difficulty, or even gets completely stuck, and…

You look at the endless railway tracks. A train speeds past. Do you know that an important part is guarding the train’s safety? This part is the railway flange. 1. How the Railway Flange Works:…

In the vast network of railway systems, the junction of two steel rails is not merely a simple “articulação” but a strategic location that concerns the safety, estabilidade, and efficiency of the…