| 摘要 |
<p>A push-pull welding wire feeder, wherein a plurality of wire feed units are installed in a wire feed route ranging from a welding wire container for storably holding wound welding wire to a welding torch through a wire guide pipe, and a torque limiter (14) is disposed in at least one wire feed unit at a part of a drive transmission system for transmitting a drive force generated by a drive source (12) to a roller (26) driving the welding wire, whereby, since a stable wire supply can be easily maintained even when wire feeding is accelerated or decelerated, excellent welding results can be provided and the buckling of the welding wire does not occur.</p> |
