| 摘要 |
<p>According to the present invention, a submerged arc welding machine is characterized by controlling to maintain the initial state that a welding wire (30) is in contact with a base material (M) by stopping a feeding motor (80) when the welding wire (30) is in contact with the base material (M) after a controller (100) allows the welding wire (30) to be fed by rotating the feeding motor (80) when the welding torch (90) is initially set on the base material (M).</p> |
