Method of assembling motor vehicle body
AssigneeDaihatsu Motor Co., Ltd.
InventorsShinobu Inoue, Masaharu Saito, Akiyoshi Hazama, Yasuhiro Hosokawa, takuma Arai, Isao Kita, Takuji Izutani, Kazuto Ikeda
Life of this patent
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Abstract
A roof panel (31) is pre-set on the left and right side members (4) fixed to an underbody of a car. A roof panel spot welding station (7) includes a pair of frames (34) and two joisted-locating jigs (35, 36) bridging the frames. Each of the joisted-locating jigs is furnished with a clamp mechanism for holding the roof panel. The roof panel is located to the side members by the locating jigs, and spot-welded to the side members.
Claims7
A method of assembling a car body by spot welding a bridging part to a pair of side members fixed to an underbody of a car, the method comprising the steps of:
- installing a pair of frames at sides of a transfer line for transferring the underbody and the side members;
- attaching a plurality of movable joisted-locating jigs to the frame for locating the side members and the bridging part;
- and
- spot welding the side members to the bridging part, with the side members and the bridging part clamped by the joisted-locating jigs;
- wherein a transfer system is employed to convey the joisted-locating jig from the frame to a first stock area and to convey another joisted-locating jig from a second stock area to the frame for performing a joisted-locating jig change.
Dependencies are inferred from the claim text.