发明名称 |
ARC WELDING APPARATUS, CONSTANT VOLTAGE CHARACTERISTIC WELDING POWER SOURCE, AND METHOD FOR PERFORMING ARC WELDING |
摘要 |
An arc welding apparatus includes a lifting motor. A speed adjustment circuit controls the lifting motor such that the rising speed of the welder decreases if a current of the welding power source is smaller than a set value, or increases if the value of the current is larger than the set value. A voltage adjustment circuit controls the welding power source such that the voltage increases if the number of times that the voltage falls below a determination voltage is larger than a set number of times or if periods for which the voltage remains below the determination voltage are longer than a set time, or decreases if the number of times that the voltage falls below a determination voltage is smaller than a set number of times or if periods for which the voltage remains below the determination voltage is shorter than a set time. |
申请公布号 |
US2014116999(A1) |
申请公布日期 |
2014.05.01 |
申请号 |
US201313933484 |
申请日期 |
2013.07.02 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
发明人 |
SUZUKI REIICHI;YAMAZAKI KEI |
分类号 |
B23K9/12;B23K9/02;B23K9/09 |
主分类号 |
B23K9/12 |
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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