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Casting is the process of melting metal into a liquid state and pouring it into a mold. Then it cools and solidifies to form a shape. It is suitable for manufacturing complex…

Seamless rail of train track, also known as welded long rail track, is a long rail line formed by welding standard-length rails together. It is an important new technology in track structure and has…

1. Cast Iron Foundation Stones of the Steam Age 1.1 The Original Function of the Cast Iron Casing At the beginning of the 19th century, the power core of steam locomotives relied…

1.Basic understanding of railway bolster 1.1 Definition and Core Functions As the core load-bearing component of the railway vehicle bogie, the railway bolster is usually arranged in a transverse “I” shape or…

The iron base plates in railway fasteners are important components of the railway track system. They are responsible for supporting the rails, distributing the track load, and ensuring the stability and safety…

The railway wheel hub, as the core component that directly contacts the train with the track, seems to be a simple “disc” structure. However, it bears the entire weight of the train,…

1. Special Challenges of Railway Wheel Hubs As core components of rail vehicles, railway wheels must operate reliably under extreme conditions. Their design must meet three key requirements: 2. Forging Process: Balancing…

Heat treatment is a crucial step in the metal processing, which alters the internal structure and properties of metal materials through controlled heating, holding, and cooling to meet specific mechanical performance and…

The wheel set is the part of a locomotive or vehicle that comes into contact with the rails. It is composed of two wheels firmly pressed onto the same axle. The function…

Although both straight and curved tracks are made of steel rails, their stress states are vastly different. Understanding this distinction is crucial for ensuring the safety, comfort, and efficiency of railway operations.…

New trends in global heavy-haul railway development. pose challenges and countermeasures for casting performance. As the core artery for global bulk cargo transportation, the technological evolution of heavy-haul railways has always been…

1. How Does Precision Define the Value of Rail Components? In heavy-haul and high-speed rail systems, improving casting precision isn’t just a numbers game; it’s a key factor directly impacting assembly efficiency…