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FT CASTING
Marine docks are critical infrastructures that face constant exposure to saltwater, heavy mechanical...
Train Casting Steel Parts
Train Casting steel Railway bogie Parts
Railway bogies are a crucial foundational component of railway freight cars. Made of cast steel, they primarily support the car body, transmit traction, and carry weight. Their core structure consists of two side frames and a bolster, which are rigidly coupled together to transmit load.
Structural Features
The bogie is constructed of cast steel. Its core components, including two side frames and a central bolster, form a stable triangular load-bearing framework. The side frames provide longitudinal support, while the bolsters provide lateral support and, through springs, buffer vertical loads. This structure ensures vehicle stability during curves and effectively dampens vibrations.
Functions
Car body support: The combined structure of the side frames and bolsters supports the car body, ensuring smooth train operation.
Load Transfer: Vertical loads are transferred from the car body center plate to the bolster, where they are buffered by springs and distributed to the side frames. Finally, they are transmitted to the rails through the wheelsets.
Vibration and Noise Reduction: The spring elements reduce vibration and shock during train operation, enhancing operational smoothness.
Technological Developments
Early bogies typically employed a three-piece cast steel structure (two sideframes and one bolster). With technological advancements, modern bogies have enhanced assembly stability through optimized structural design (such as cantilever beam end plate connection technology) and integrated self-generating capabilities to adapt to varying operating conditions.
