A cross member includes a plate member. The plate member constitutes a portion of a vehicle body frame, extends in a vehicle width direction, and is formed of metal. The plate member is provided with a level difference portion on a first surface of the plate member, and a cut mark portion on a second surface of the plate member. The second surface is on the opposite side of the first surface of the plate member. The plate member is provided with a thick plate portion on a first side of the plate member in a direction in which the plate member extends, and a thin plate portion on a second side of the plate member in the direction in which the plate member extends, with the level difference portion interposed between the first and second sides.
Cross member of vehicle body and method of manufacturing cross member
2021-08-10
Patent
Electronic Resource
English
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