Wire feeder and arc welding machine including the same

摘要

The present invention is a plurality of wire feeding device is arranged to enable a constant wire feeding line , regardless of where wire feeding device , and relates to an arc welding machine including the same , and the relay motor for driving the first pulley to the wire feed , the relay motor and electrically connected in series with a relay device that is pressure- wire feeding apparatus ; And driving the second pulley sikimyeo for the wire feed is transferred from the intermediate wire feeding device and a pressure device and the relay motor is electrically connected in parallel with a motor end terminating wire feeding device ; intended to include