| 摘要 |
A process for producing a chassis for vehicles, which includes the steps of fabricating a single frame element (1) of aluminum alloy, the frame element (1) having an upper beam (2), a lower beam (3) and a web portion (4) connecting between the two beams (2, 3), removing some of the web portion (4) to a desired length, pulling the upper beam (2) and lower beam (3) of the web vacant portion in opposite directions so that the web vacant portion becomes an expanded opening, bending the frame element (1) in accordance with the size and shape of the body of a vehicle to be placed on the chassis, and welding the terminating ends of the frame element (1) to form an endless frame. |
