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专利名称：PROGRAMMABLE POLARITY MODULE FOR
DC RESISTANCE SPOT WELDING
发明人：Michael J. Karagoulis,David R. Sigler申请号：US15813887申请日：20171115
公开号：US20180071856A1公开日：20180315
专利附图：
摘要：A programmable polarity module that permits rapid on-demand control of thepolarities assigned to the welding electrodes retained on a welding gun is disclosed. Theprogrammable polarity module is electrically connectable to the welding gun and a
direct current power supply unit to provide direct current to the welding electrodes forexchange during spot welding. A first interchangeable polarity output lug and a secondinterchangeable polarity output lug of the programmable polarity module permit thepolarities of the welding electrodes to be switched without having to electricallydisconnect the module from the welding gun.
申请人：GM GLOBAL TECHNOLOGY OPERATIONS LLC
地址：DETROIT MI US
国籍：US
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