发明名称 |
Electric arc welding system |
摘要 |
An electric arc welding system and method for creating a first AC welding arc with a first current waveform between a first electrode and a workpiece by a first power supply and a second AC welding arc with a second current waveform between a second electrode and a workpiece by a second power supply as the first and second electrodes are moved in unison along a welding path where the first and second power supply each comprising an high speed switching inverter creating its waveform by a number of current pulses occurring at a frequency of at least 18 kHz with the magnitude of each current pulse controlled by a wave shaper and the polarity of the waveforms controlled by a signal. The first and second AC waveforms each have a positive portion and a negative portion and a cycle period of about 10-20 ms and timing circuits for determining the push and pull times between the arcs and a waveform adjusting circuit to limit the push and pull times to less than about 5.0 ms.
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申请公布号 |
US2005127054(A1) |
申请公布日期 |
2005.06.16 |
申请号 |
US20030735103 |
申请日期 |
2003.12.15 |
申请人 |
LINCOLN GLOBAL, INC. |
发明人 |
HOUSTON WILLIAM S.;MYERS RUSSELL K. |
分类号 |
B23K9/073;B23K9/09;B23K9/095;B23K9/10;B23K9/173;B23K9/18;(IPC1-7):B23K9/09 |
主分类号 |
B23K9/073 |
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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