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1.The brittleness Dilemma and Longevity Challenge of railway gearboxes Railway gearboxes are the “core hubs” for train power transmission and need to operate stably under high-frequency vibration, shock loads and temperature fluctuations.…

The iron collision head of the mine truck parts is a metal structure that can withstand traction force, braking force, the collision force between mine trucks, and the impact force of the…

Railway track joint guard plates, as an important component of the track structure, may seem simple, but they play an irreplaceable role in ensuring the safety, smoothness, and durability of railway operations.…

1.Materials and forming processes: Laying the foundation for quality 1.1 Smelting process: The smelting technique of ultra-pure metals High-speed rail gearboxes need to withstand extreme loads, and the purity of materials is…

On the crisscrossing railway network, behind the speeding trains, there are countless seemingly ordinary yet crucial components. The insulating fishplate is one of them – it is not only the “joint” connecting…

In railway equipment manufacturing, cast iron and steel parts serve as core components, fulfilling critical functions such as support, transmission, and load-bearing. Due to the extremely high safety, durability, and environmental adaptability…

Deep within the mines, a complex and precise power system is operating day and night. The mining traction motor, as the “heart” of this system, shoulders the responsibility of the vital transportation…

1. Metal Fatigue: An Invisible Challenge of Industrial Civilization 1.1 Failure Chain Caused by Stress Accumulation Metal fatigue is the progressive damage of materials under alternating loads. When the gearbox housing of…

1. Physical Structure: The “foundation construction” of cast steel and cast iron 1.1 Cast Steel Frame: Stable Support Under Heavy Load The frame of the bogie is the core load-bearing structure. Taking…

Continuous casting and rolling is a process where the metal melt undergoes simultaneous rolling deformation during the continuous casting and solidification process, also known as liquid rolling or no-die rolling. This technology…

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…