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The welding attaching kimono which comes in contact with the material to be welded it consists of the welding attaching kimono removal manner and
The welding attaching kimono which comes in contact with the material to be welded it consists of the welding attaching kimono removal manner and
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机译：与被焊接材料接触的焊接附件和服由焊接附件和服去除方式和
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摘要
PROBLEM TO BE SOLVED: To develop a method capable of surely and easily removing smut, which is generated and deposited at a welding part during welding of aluminum and an aluminum alloy without using a mechanical or chemical removal method.;SOLUTION: A nonflammable liquid 7 is sprayed to weld beads 3 and a heat affected part on the surface of a material to be welded by the time when a prescribed time elapses from the finishing time of the welding. It is made into contact with the smut generated and deposited at the welding part. An inactive gas or a liquid composed of an inactive compound instead of the nonflammable liquid 7 is sprayed. An arc welding device, which has an arc welding part for arc welding the material to be welded and a liquid spraying part 6 for spraying the liquid to the weld beads 3 and the heat affected part on the surface of the material to be welded, is used as the arc welding device for performing such a method. As a result, the smut is removed in such a manner that it is destroyed and blown off by rapidly vaporizing and expanding the liquid at the smut deposited part.;COPYRIGHT: (C)2005,JPO&NCIPI
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