发明名称 |
ONE-SIDE SUBMERGED ARC WELDING METHOD FOR MULTIELECTRODE AND METHOD FOR PRODUCING WELDED PRODUCT |
摘要 |
A welding device (1) performs one-side submerged arc welding of a steel plate by using a first welding unit (10) which uses a first wire (110), a second welding unit (20) which uses a second wire (120), a third welding unit (30) which uses a third wire (130), and a fourth welding unit (40) which uses a fourth wire (140). When doing so, the first welding unit (10) controls the feeding speed of the first wire (110) so as to be a constant speed by using a first feeding device (11), and supplies power to the first wire (110) by using a first welding power source (12) for which the power-supply method is set to AC and the external properties are set to a constant voltage. As a result, it is possible to reduce faults in the appearance of a penetration bead obtained by the one-side submerged arc welding of a multielectrode. |
申请公布号 |
WO2015122046(A1) |
申请公布日期 |
2015.08.20 |
申请号 |
WO2014JP76586 |
申请日期 |
2014.10.03 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
发明人 |
SUZUKI, REIICHI;YAMAZAKI, KEI;KOMURA, MASAHARU;MURANISHI, YOSHIMASA |
分类号 |
B23K9/18;B23K9/12 |
主分类号 |
B23K9/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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