Metro Bogie Frame: Cast Steel Core Structure with Modular Design for Urban Rail Transit

The metro bogie frame is the core structural framework of the bogie, known as the “backbone of the bogie.” It carries out the crucial functions of supporting the vehicle body, transmitting loads in all directions, and mounting key components such as the suspension system and drive unit. Its design directly impacts the bogie’s overall performance, operational stability, and service life, making it a technology-intensive and safety-critical component of metro vehicles.

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