| 摘要 |
Welding apparatus for a vehicle body of a two-wheeled vehicle including a machine base, at least one lower jig carrier mounted on the base for reciprocation between the first position and the second position ahead of the first position, clamping devices for holding a workpiece on the lower jig carrier, a machine frame mounted over the machine base at the second position, an upper jig carrier mounted on the machine frame which is moveable upwardly and downwardly and is reciprocatable between the second position and a third position ahead of the second position, a second set of clamping devices for holding the workpiece on the upper jig carrier, welding devices at the second position for welding certain predetermined points on the workpiece, and structure designed for reversibly changing the orientation of the upper jig carrier while holding the workpiece by 180 DEG . The apparatus further includes equipment at the third position for welding another set of certain predetermined points on the workpiece. Additionally, another lower jig carrier can be provided together with apparatus at the first position for alternating the two lower jig carriers to be alternately reciprocated between the first position and the second position.
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