| 摘要 |
PROBLEM TO BE SOLVED: To enable shortening of the working time and securing of a wide working space for an improvement in the working efficiency by integrally and precisely performing clamping, positioning, fixing of work-pieces with a minimum requirement of equipment.SOLUTION: A manufacturing apparatus for a car body comprises a sub-compression platte 52, which restricts the compression shaft of a welding gun 51 having a movable side electrode 51a moved along the compression shaft and a stationary side electrode 51b to a set region, freely moves in a coaxial direction with the compression shaft along which the movable side electrode 51a of the welding gun 51 moves, comes in contact with a junction to be positioned freely by clamping the junction with a jig 4, and makes the movable side electrode 51a of the welding gun 51 moving when welding freely compress to weld a weld zone.SELECTED DRAWING: Figure 2 |
