Railway passenger car body and its manufacturing process.

摘要

The present invention relates to a railwaycar body easy to manufacture at a low material cost. The car body comprises a center underframe (2) produced of light-alloy extruded shapes (4) and an end underframe (3) produced of a ferrous material, and furthermore a roof framing, a side framing and an end framing which constitute the car body (40) composed of outer plate members and frame members produced of a ferrous material. According to the present invention, it is possible to build a railwaycar body easy to manufacture at a low material cost by building the car body of a light-alloy material and a ferrous material.