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    • 6. 发明申请
    • STUD JOINING METHOD AND APPARATUS
    • 螺纹连接方法和装置
    • WO2014019848A3
    • 2014-02-06
    • PCT/EP2013/065050
    • 2013-07-17
    • NEWFREY LLCEISSARA, BahSCHMITT, Klaus-Gisbert
    • EISSARA, BahSCHMITT, Klaus-Gisbert
    • B23K9/20B23K9/235B08B7/00
    • Method for joining fastening elements (12) such as studs on workpieces (14) such as metal sheets, said method having the steps of preparing a joining surface (18) of a fastening element (12) and/or a joining surface (22) of a workpiece (14) and of bringing the fastening element (12) and the workpiece (14) together in such a manner that the fastening element (12) is connected to the workpiece (14), wherein prior to the preparing step a cleaning step is carried out in order to clean the joining surface of the workpiece. Consequently, the cleaning step includes arranging a cleaning electrode (62) above the joining surface (22) of the workpiece and generating a cleaning arc (74) between the cleaning electrode (62) and the joining surface (22).
    • 用于在工件(14)例如金属片材上连接诸如螺柱的紧固元件(12)的方法,所述方法具有以下步骤:准备紧固元件(12)的接合表面(18);以及 和/或工件(14)的接合表面(22)并且以使得所述紧固元件(12)连接到所述工件(14)的方式将所述紧固元件(12)和所述工件(14) 其中在准备步骤之前执行清洁步骤以清洁工件的接合表面。 因此,清洁步骤包括在工件的连接表面(22)上方布置清洁电极(62),并在清洁电极(62)和连接表面(22)之间产生清洁电弧(74)。