| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a door panel of a railroad vehicle capable of improving dimensional accuracy. Ž<P>SOLUTION: The door panel 10 includes: an outer plate part 11 arranged outside of the vehicle body when it is mounted on a vehicle body panel 2; an inner plate part 12 arranged inside of the vehicle body when it faces to the outer panel part 11 and is mounted on the vehicle body panel 2; a coupling plate part 13 which connects the outer plate part 11 and the inner plate 12 each other and is circularly formed; and a hinge part 14 which projects from the inner plate part 12 and is rotatably mounted on the vehicle body panel 2. The outer plate part 11, the inner plate part 12, the coupling plate part 13, and the hinge part 14 are integrally formed by casting. Thus, strain does not occur on the outer plate part 11, the inner plate part 12, the coupling plate part 13, and the hinge part 14 due to heat input generated when welding. Accordingly, dimensional accuracy of the door panel 10 can be improved. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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