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    DEVICE AND METHOD FOR WELDING AT LEAST ONE WORK PIECE
    3.
    发明公开
    DEVICE AND METHOD FOR WELDING AT LEAST ONE WORK PIECE 审中-公开
    装置和方法用于焊接至少一个工件

    公开(公告)号：EP3046714A1

    公开(公告)日：2016-07-27

    申请号：EP14777913.6

    申请日：2014-09-17

    申请人： Bluemarine Offshore Yard Service B.V.

    发明人： SINGURAN, Adrian-Ionut ,  PAMBAKIAN, Nicola

    IPC分类号： B23K9/073 ,  B23K9/08

    CPC分类号： B23K9/073 ,  B23K9/0282 ,  B23K9/0737 ,  B23K9/08

    摘要： The present invention relates to a method of welding at least one work piece in at least one location, using at least one arc generating element (12), such as a cathode, the method comprising: • - welding the work piece at the location of the arc generating element (12); • - moving the arc generating element (12) along a path of welding and therewith the location of welding; and • - during welding, decreasing magnetic fields in the work piece or between work pieces, by locally suppressing magnetic fields at least partially at or near the location of the arc generating element. The present invention further also relates to a corresponding welding device. The welding device (9) comprises a carriage (10) adapted to move along a path of welding relative to the work piece and therewith a location of welding, and having a holder (11) accommodating at least in use an arc generating element (12); and a device (6) on the carriage, which device is adapted to locally decrease magnetic fields in the work piece or between work pieces, by locally suppressing magnetic fields at least partially at the location of the arc generating element.

    Welding method in the overhead and vertical positions
    5.
    发明公开
    Welding method in the overhead and vertical positions 失效
    在顶部和垂直位置的焊接方法

    公开(公告)号：EP1231009A3

    公开(公告)日：2002-12-11

    申请号：EP01128735.6

    申请日：1997-09-23

    申请人： Mitsubishi Heavy Industries, Ltd.

    发明人： Manabe, Yukio ,  Zenitani, Satoru ,  Hiromoto, Yoshinori ,  Kobayashi, Yasuyuki

    IPC分类号： B23K9/073

    CPC分类号： B23K9/08 ,  B23K9/0737

    摘要： The object of this invention is to prevent a defect which occurs in overhead or vertical welding when gravity causes molten metal to drip downward so that the top of the gap (21) has an undercut and the bead has a bulge along the weld line (i.e., a convex bead is created). During overhead or vertical welding, a unidirectional current (A) is made to flow in the molten pool (10,12) in a direction opposite to the welding direction. When the aforesaid current flows in conjunction with a magnetic field (9), a Lorentz force (11) is exerted in the molten pool in an upward direction towards the upper top side of the groove. This prevents the molten metal from dripping downward and improves the shape of the bead.

    摘要翻译： 本发明的目的是防止当重力导致熔融金属向下滴落时在顶部或垂直焊接中发生的缺陷，从而间隙（21）的顶部具有底切并且焊道沿着焊接线具有凸起（即， ，创建凸珠）。 在架空或垂直焊接期间，使单向电流（A）在与熔接方向相反的方向上在熔池（10,12）中流动。 当上述电流与磁场（9）一起流动时，洛伦兹力（11）沿着向上的方向朝向槽的上部顶侧施加在熔池中。 这防止了熔融金属滴下并改善了焊道的形状。

    Welding method in the overhead and vertical positions
    6.
    发明公开
    Welding method in the overhead and vertical positions 失效
    开销或立焊的方法

    公开(公告)号：EP1231009A2

    公开(公告)日：2002-08-14

    申请号：EP01128735.6

    申请日：1997-09-23

    申请人： Mitsubishi Heavy Industries, Ltd.

    发明人： Manabe, Yukio ,  Zenitani, Satoru ,  Hiromoto, Yoshinori ,  Kobayashi, Yasuyuki

    IPC分类号： B23K9/073

    CPC分类号： B23K9/08 ,  B23K9/0737

    摘要： The object of this invention is to prevent a defect which occurs in overhead or vertical welding when gravity causes molten metal to drip downward so that the top of the gap (21) has an undercut and the bead has a bulge along the weld line (i.e., a convex bead is created).
    During overhead or vertical welding, a unidirectional current (A) is made to flow in the molten pool (10, 12) in the direction of the weld line. When the aforesaid current flows in conjunction with a magnetic field (9), a Lorentz force (11) is exerted in the molten pool in an upward direction towards the upper top side of the groove. This prevents the molten metal from dripping downward and improves the shape of the bead.

    KURZSCHLUSSSCHWEISSVERFAHREN UND VORRICHTUNG ZUR DURCHFÜHRUNG EINES SOLCHEN KURZSCHLUSSSCHWEISSVERFAHRENS
    7.
    发明公开
    KURZSCHLUSSSCHWEISSVERFAHREN UND VORRICHTUNG ZUR DURCHFÜHRUNG EINES SOLCHEN KURZSCHLUSSSCHWEISSVERFAHRENS 审中-公开
    实施这种短焊接工艺的短路焊接方法和装置

    公开(公告)号：EP3292936A1

    公开(公告)日：2018-03-14

    申请号：EP16187971.3

    申请日：2016-09-09

    申请人： Fronius International GmbH

    发明人： WALDHÖR, Andreas ,  ARTELSMAIR, Josef ,  MAYER, Manuel

    IPC分类号： B23K9/073 ,  B23K9/09 ,  B23K9/095 ,  B23K9/10

    CPC分类号： B23K9/0737 ,  B23K9/091 ,  B23K9/092 ,  B23K9/0953 ,  B23K9/1056

    摘要： Die Erfindung betrifft ein Kurzschlussschweißverfahren mit aufeinanderfolgenden Schweißzyklen (SZ) mit jeweils einer Lichtbogenphase (LB) und einer Kurzschlussphase (KS), wobei zumindest die Schweißparameter Schweißstrom (I) und Fördergeschwindigkeit (v) einer abschmelzenden Elektrode des Kurzschlussschweißverfahrens geregelt oder eingestellt werden, und die Elektrode zumindest während eines Teils der Lichtbogenphase (LB) mit einer vorgegebenen Vorwärtsendgeschwindigkeit (v ve ) in Richtung eines zu bearbeitenden Werkstücks gefördert wird, und zumindest während eines Teils der Kurzschlussphase (KS) mit einer vorgegebenen Rückwärtsendgeschwindigkeit (v Re ) vom Werkstück weg gefördert wird, sowie eine Vorrichtung zur Durchführung eines solchen Kurzschlussschweißverfahrens. Eine Änderung der Fördergeschwindigkeit (dv/dt) und eine Rückwärtsendgeschwindigkeit (v Re ) wird so vorgegeben und ein Schweißstrom (I) so geregelt oder eingestellt, dass die Kurzschlussphase (KS) nach Erreichen der Rückwärtsendgeschwindigkeit (v Re ) und nach spätestens 3 ms beendet wird und spätestens alle 8 ms wiederholt wird.

    摘要翻译： 本发明涉及一种具有连续焊接周期（SZ）的短路焊接过程，每一个都具有弧形的相位（LB）和短路相（KS），其中至少所述焊接参数焊接电流（I）和传送速度（V）的控制的短路焊接过程的自耗电极或设置，并且 电弧阶段（LB）中的至少一部分期间电极具有预定Vorwärtsendgeschwindigkeit（TCE）在工件的方向被输送到被加工，并且至少所述短路相（KS）的一部分期间具有预定Rückwärtsendgeschwindigkeit（VRE）从工件输送走，和 一种用于执行这种短路焊接方法的设备。 的传送速度（dv / dt的）和Rückwärtsendgeschwindigkeit（VRE）的变化被指定，以便和一个焊接电流（I），以便调节或调整，使得短路相（KS），则终止到达Rückwärtsendgeschwindigkeit（AER）和由至少3毫秒之后和 每8ms最多重复一次。

    VERFAHREN ZUM SCHWEISSEN EINES WERKSTÜCKS
    9.
    发明公开
    VERFAHREN ZUM SCHWEISSEN EINES WERKSTÜCKS 有权
    方法进行焊接工件

    公开(公告)号：EP2007542A1

    公开(公告)日：2008-12-31

    申请号：EP07701312.6

    申请日：2007-02-12

    申请人： Fronius International GmbH

    发明人： ARTELSMAIR, Josef ,  LEEB, Josef

    IPC分类号： B23K9/073

    CPC分类号： B23K9/0737

    摘要： The invention describes a method of welding a workpiece (16) having a consumable welding wire (13) which is moved essentially in the direction of the workpiece (16) during a welding process by means of a wire feed unit (11), wherein a process for removing slag (42) at the end of the welding wire (13) is started and carried out. To provide a welding process which is not impaired by slag (42) possibly adhering to that end of the welding wire (13) which is to make contact and ensure reliable striking of the arc (15), provision is made for the welding current (I) to be reduced to a minimum at the start of the slag-removal process, and for the welding wire (13), during the slag-removal process, to be moved cyclically with a rapid recurring forward/backward movement by a predetermined displacement length in the direction of the workpiece (16) and by a smaller displacement distance away from the workpiece (16) again until a short circuit between the welding wire (13) and the workpiece (16) is detected by short-circuit monitoring, whereupon the slag-removal process is ended.