| 摘要 |
<p>A spot welding apparatus is disclosed. According to an embodiment of the present invention, the spot welding apparatus comprises: a fixated frame mounted on the arm of a robot; an upper welding gun mounted on one side of the fixated frame to be moved up and down by a pressurization unit; a rotation unit mounted under the fixated frame to be rotated; and a plurality of lower welding guns mounted through the rotation unit to correspond to the upper welding gun.</p> |
