| 摘要 |
PURPOSE: A welding device having a weld line guidance unit is provided to confirm a start point and an end point of an arc welding before a welding, and to confirm a movement route of a torch part for the arc welding and to set up thereof. CONSTITUTION: A welding device having a weld line guidance unit comprises a torch part (100), a movable part (200), and a weld line guidance unit (300). The torch part comprises a welding wire, and is placed in an upper part of a faced welded object. The movable part moves the torch part. The weld line guidance unit sets up a welding start point and a welding end point in a face-joined route where the welding wire is located. The weld line guidance unit moves the torch part along a joined route which connects the welding start point and the welding end point. The weld line guidance unit comprises a laser generator, an image obtainer, and a controller. |
