| 摘要 |
PROBLEM TO BE SOLVED: To house a welding wire in the inside of a welding head, and to make a necessary space small by being composed of a wire housing case housed in a cover case and a standard wire spool rolling in, while feeding a wire to the wire housing case, by using the wire housing case housed in the cover case and a wire feeding motor mounted on a stand. SOLUTION: A 20 kg-winding welding wire spool 11 is mounted on a stand 10, and a welding wire 5 being fed by a wire feeding motor 9 is housed in the inside of a wire housing case 2 through a wire guide tube 8. The diameter of the rotary reel of the wire housing case 2 is smaller than that of the 20 kg-winding welding wire spool 11, and its housing quantity is about 1 kg which is lightweight. By shifting one end of the wire guide tube 8 connected to the 20 kg-winding welding wire spool 11 to a wire guide block 12, the welding wire 5 housed in the wire housing case 2 is taken in an automatically welding head, and automatic welding is started.
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