| 摘要 |
PURPOSE:To automate the end part welding by positioning a welding finishing point by providing a wire touch sensor and by positioning the boxing welding start point by moving the sensor thereof in the directions of axes x, y. CONSTITUTION:The wire touching sensor 3 detecting a member position by detecting and storing the position of a welding torch and by applying a fixed voltage between the torch and the member to be welded is arranged. The positioning of the boxing welding finishing point 5 is then performed by the sensor 3. The sensor 3 is then moved upto the position 7 in the direction x in parallel to a rib member 1 and moved further upto the position 8 in the direction y. A starting sensor 3 in the direction x from the position 8 and by moving the sensor 3 to the position apart from the prescribed distance. The end part welding can thus be automated because of the end part corner being enabled to be grasped correctly.
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