| 摘要 |
In a system for the automatic welding of motor vehicle bodies, adapted to operate on at least two different types of body, the parts of a loosely preassembled body accurately positioned, in order to be welded by programmable welding robots, by means of positioning tools carried by side gates located on both sides of the conveyor line for the bodies. At least two pairs of side gates are provided having positioning tools corresponding to two different types of body. The side gates are movable on guide means provided on the two sides of the conveyor line to allow the rapid replacement of the pair of side gates in the operative position at the welding station, in dependence on the type of body to be welded. According to the invention, the system includes a store of auxiliary side gates having positioning tools corresponding to different types of body, and means for replacing any one of the two pairs of side gates which are on the two sides of the line by any one of the pairs of auxiliary side gates which are in the store. |
