| 摘要 |
<p>A portable, TIG welding machine comprising a guide member (1); a carriage (2) displaceable along the guide member (1) at a predetermined speed, a TIG head (15) carried by, and moveable with the carriage (2), and an automatic welding wire feed device (19-22) for feeding wire to the vicinity of the TIG head (15) at a suitable feed rate in accordance with wire consumption rate and carriage speed.</p> |
