公开(公告)号：JP2013063470A

公开(公告)日：2013-04-11

申请号：JP2012265730

申请日：2012-12-04

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA

IPC: B23K11/11 ,  B23K11/24 ,  B23K11/30

Abstract: PROBLEM TO BE SOLVED: To provide an indirect spot welding method capable of stably obtaining the Go stone-like nuggets formed in a fused state in the indirect spot welding.SOLUTION: In the indirect spot welding method, the welding time is divided into two time zones tand t. In a first time zone t, an electrode force Fand a current value Care applied, and in the next time zone t, the electrode force Flower than the electrode Fand the current value Chigher than the current value Care applied.

Abstract translation: 要解决的问题：提供一种间接点焊方法，其能够在间接点焊中稳定地获得在熔融状态下形成的Go石状块状。

解决方案：在间接点焊方法中，焊接时间分为两个时区t 1 ，t 2 。 在第一时区t 1 中，电极力F 1 和当前值C 1 ，并且在下一时区t SB SB =“POST”> 2 时，电极力F 2 低于电极 当前值C 1 和当前值C 2 高于当前值C 1 被应用。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2011194459A

公开(公告)日：2011-10-06

申请号：JP2010066709

申请日：2010-03-23

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA

IPC: B23K11/11 ,  B23K11/24

Abstract: PROBLEM TO BE SOLVED: To provide an indirect spot welding method by which a go-stone shaped nugget formed in a molten state can be obtained stably during indirect spot welding.SOLUTION: In the indirect spot welding method, welding time is sectioned into three time periods t, tand t. In the first time period t, a welding electrode is pressurized at a welding pressure Fand is energized at a current value C. In the second time period t, the welding electrode is pressurized at a welding pressure Fwhich is lower than Fand is energized at a current value Cwhich is higher than C. In the third time period t, the welding electrode is pressurized at a welding pressure Fwhich is equal to or lower than Fand is energized at a current value Cwhich is higher than C.

Abstract translation: 要解决的问题：提供间接点焊方法，可以在间接点焊期间稳定地获得熔融状态下形成的石膏形熔核。在间接点焊方法中，将焊接时间分为三次 时期t，t和t。 在第一时间段t中，以焊接压力F 1对焊接电极进行加压，并以电流值C通电。在第二时间段t，焊接电极在低于F的焊接压力F下被加压 电流值C大于C.在第三时间段t中，焊接电极以等于或低于F的焊接压力F被加压，以高于C的电流值C通电。

公开(公告)号：JP2014018804A

公开(公告)日：2014-02-03

申请号：JP2012157006

申请日：2012-07-12

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA

IPC: B23K26/21 ,  B23K11/11 ,  B23K26/082 ,  B23K103/04

Abstract: PROBLEM TO BE SOLVED: To provide a one side welding method capable of stably obtaining a sound joint between metal plates, when the laser welding of the metal plates coated by coating materials having a melting point lower than that of a base metal is performed by a method performing the laser welding after an indirect spot welding step.SOLUTION: A one side welding method of the present invention includes: a step of pressing a welding electrode having a tip end of a curved shape and a curvature radius of the curved shape of 30-100 mm to a metal plate 11 positioned on the one surface side of a member with respect to the member 1 obtained by superposing two or more metal plates while pressing thereof, attaching a feeding terminal to the other surface side of the member, and energizing between the welding electrode and the feeding terminal to perform indirect spot welding of the member; and a step of performing the laser welding of the member by applying a laser beam L from the one surface side of the member 1 to an indirect spot welded part 13A of the member formed by the indirect spot welding or in the periphery thereof.

Abstract translation: 要解决的问题：为了提供能够稳定地获得金属板之间的声音接合的单面焊接方法，当通过涂覆材料的熔点低于贱金属的熔点的金属板进行激光焊接时 在间接点焊步骤之后执行激光焊接的方法。解决方案：本发明的单面焊接方法包括：将具有弯曲形状的尖端和弯曲形状的曲率半径为30的焊接电极按压的步骤 -100mm的金属板11相对于通过在挤压两个或更多个金属板的同时叠置而获得的构件1位于构件的一个表面侧上，将馈电端子连接到构件的另一个表面侧，并且激励 在焊接电极和馈电端子之间进行间接点焊; 以及通过从构件1的一个表面侧将激光束L施加到通过间接点焊形成的构件的间接点焊部13A或其周边来进行构件的激光焊接的步骤。

公开(公告)号：JP2013193095A

公开(公告)日：2013-09-30

申请号：JP2012060798

申请日：2012-03-16

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA

IPC: B23K11/11 ,  B23K11/24 ,  B23K11/30

Abstract: PROBLEM TO BE SOLVED: To propose an indirect spot welding method capable of stably obtaining optimal Go stone-like nuggets when at least two overlapped metal sheets are made of steel and the total thickness thereof is 1.8 mm or less.SOLUTION: In an indirect spot welding method, the welding time is divided into two time zones tand tfrom the start of welding and the length of each time zone is controlled respectively, and electrode pressing force Fand Fand current values Cand Care controlled in the time zones tand t, respectively. In the first time zone t, the electrode pressing force F(N) and current value C(kA) are applied, and in the next time zone t, the electrode pressing force F(N) and current value C(kA) are applied.

Abstract translation: 要解决的问题：提出一种间接点焊方法，当至少两个重叠的金属板由钢制成并且其总厚度为1.8mm或更小时，能够稳定地获得最佳的Go石状块体。解决方案：在间接点 焊接方式，焊接时间从焊接开始分为两个时区，每个时区的长度分别控制，电极按压力Fand Fand当前值Cand Care分别控制在时区t和t。 在第一时区t中，施加电极按压力F（N）和电流值C（kA），并且在下一个时间区间t施加电极按压力F（N）和电流值C（kA） 。

公开(公告)号：JP2012157888A

公开(公告)日：2012-08-23

申请号：JP2011019130

申请日：2011-01-31

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA ,  FUJITA TAKESHI

IPC: B23K11/11 ,  B23K11/00 ,  B23K11/24

Abstract: PROBLEM TO BE SOLVED: To provide an indirect spot welding method by which a nugget that is formed while being melted can be stably obtained by a simple pre-welding process without any restriction on the functions of weld equipment in indirect spot welding.SOLUTION: In indirect spot welding for pressing, while applying pressure, a welding electrode from one side surface to at least two metal plates superimposed with each other, mounting a power supply terminal at a position apart from the welding electrode at the other side of the metal plate, and welding the metal plates with an electric current applied between the welding electrode and the power supply terminal, the metal plates are welded with a viscous material having insulation property interposed entirely between the superimposed surfaces of the metal plates.

Abstract translation: 要解决的问题：提供一种间接点焊方法，通过简单的预焊工艺可以稳定地获得在熔化时形成的熔核，而对间接点焊中的焊接设备的功能没有任何限制。 解决方案：在间接点焊中，在施加压力的同时，焊接电极从一个侧面到至少两个彼此重叠的金属板，将电源端子安装在距焊接电极另一个位置的位置 并且以施加在焊接电极和电源端子之间的电流来焊接金属板，金属板用绝对性能的粘合材料焊接在整个金属板的叠置表面之间。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2011050977A

公开(公告)日：2011-03-17

申请号：JP2009200946

申请日：2009-08-31

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA

IPC: B23K11/11 ,  B23K11/16

Abstract: PROBLEM TO BE SOLVED: To provide an indirect spot welding method capable of stably obtaining a nugget formed in a molten state during indirect spot welding.
SOLUTION: In the indirect spot welding, a welding electrode is pressed to a metal plate from one surface side of a member with at least two metal plates overlapped while pressurizing the welding electrode thereto, a power supply terminal is mounted at a position set apart from the welding electrode on the metal plate at the other surface side, and welding is carried out by causing energization between the welding electrode and the power supply terminal. In this case, an overlapped surface between the metal plates except a welding part is electrically insulated.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种间接点焊方法，其能够在间接点焊期间稳定地获得在熔融状态下形成的熔核。 解决方案：在间接点焊中，焊接电极从构件的一个表面侧被压到金属板上，在焊接电极加压的同时，至少两个金属板重叠，电源端子安装在位置 在另一个表面侧与金属板上的焊接电极分开，并且通过在焊接电极和电源端子之间通电来进行焊接。 在这种情况下，除了焊接部分之外的金属板之间的重叠表面是电绝缘的。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2013252543A

公开(公告)日：2013-12-19

申请号：JP2012129830

申请日：2012-06-07

Applicant: JFE STEEL CORP ,  DAIHATSU MOTOR CO LTD

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA ,  WAKITANI SOICHIRO ,  DATE RYOSUKE ,  MORI ATSUNORI ,  SHINMYO TAKASHI

IPC: B23K11/11 ,  B23K11/24 ,  B23K11/30

Abstract: PROBLEM TO BE SOLVED: To provide a series spot welding method which is free from any hot crack, burn through or the like, and capable of obtaining a sound weld part even when the series spot welding method is applied to a high-tensile steel plate with its TS being up to 980 MPa class.SOLUTION: In the series spot welding method, a pair of electrodes are pressed against at least two overlapped steel plates at the positions separate from the same surface side to execute the welding. The electrodes have a specified fore end shape, and are pressed by the specified pressure F(N). The conduction time is divided into two time zones t, t, and the conduction is executed with the current values C, Cat the time zones t, t. The parameters t, t, C, Care adequately set.

公开(公告)号：JP2014131817A

公开(公告)日：2014-07-17

申请号：JP2014046541

申请日：2014-03-10

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA

IPC: B23K11/11 ,  B23K11/16

Abstract: PROBLEM TO BE SOLVED: To provide an indirect spot welding method capable of stably obtaining a nugget formed in a melted state when performing indirect spot welding.SOLUTION: In indirect spot welding, to a component in which at least two metal plates are laminated, a welding electrode is pressed to be in contact with a surface of one metal plate and an electric power supply terminal is attached to a surface of the other metal plate at a position separated from the welding electrode, and welding is performed by electrifying between the welding electrode and the electric power supply terminal. Mating surfaces of the metal plates except for a welding part are electrically insulated by a substance that is not degraded by heat conducted around the welding part when welding is performed.

Abstract translation: 要解决的问题：提供一种能够在进行间接点焊时稳定地获得熔融状态下形成的熔核的间接点焊方法。解决方案：在间接点焊中，对于层叠有至少两个金属板的部件， 焊接电极被压接成与一个金属板的表面接触，并且电源端子在与焊接电极分离的位置处附接到另一个金属板的表面，并且通过在焊接电极 和电源端子。 除了焊接部分之外的金属板的配合表面通过在进行焊接时在焊接部件周围不传递的热量不劣化的物质进行电绝缘。

公开(公告)号：JP2012091203A

公开(公告)日：2012-05-17

申请号：JP2010240623

申请日：2010-10-27

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA

IPC: B23K11/24 ,  B23K11/11 ,  B23K35/04 ,  C22C38/00 ,  C22C38/04

Abstract: PROBLEM TO BE SOLVED: To provide an indirect spot welding method capable of obtaining stably a suitable go stone-shaped nugget, irrespective of total thickness of layered metal sheets.SOLUTION: Three time zones t, t, tdivided into three from the start of electrification are provided as to a pressurization force of an electrode and a current value of electrification, in the indirect spot welding method. Pressurization is executed by a pressurization force F(N) expressed by Fin a formula and the electrification is executed by a current value C(kA) expressed by Cin the formula, in the initial time zone t, pressurization is executed by a pressurization force F(N) expressed by Fin the formula and the electrification is executed by a current value C(kA) expressed by Cin the formula, in the next time zone t, and pressurization is executed by a pressurization force F(N) expressed by Fin the formula and the electrification is executed by a current value C(kA) expressed by Cin the formula, further in the next time zone t, wherein T represents the total sheet thickness (mm) of the layered metal sheets.

Abstract translation: 要解决的问题：提供一种能够稳定地获得合适的去石头金块的间接点焊方法，而不管层状金属板的总厚度。

解决方案：三个时区t 1 ，t 2 ，t 3 < 在间接点焊方法中，从起电开始分为三部分，关于电极的加压力和电气化的当前值。 通过公式中的F 1 表示的加压力F 1（N）进行加压，通过a 在公式中，在初始时间段t 1 表示的当前值C 1 POST“> 1 ，通过由F 2 表示的加压力F 2 （N）执行加压 公式和通电由公式中由C 2 表示的当前值C 2 执行， 下一个时间段t 2 ，并且通过由F （N） 公式中的“POST”> 3 ，通过由C 3表示的当前值C 3（kA）执行通电 在公式中，进一步在下一个时区t 3 中，其中T表示层的总板厚度（mm） 红色金属板。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2012035278A

公开(公告)日：2012-02-23

申请号：JP2010175419

申请日：2010-08-04

Applicant: Jfe Steel Corp ,  Jfeスチール株式会社

Inventor： MATSUSHITA MUNEO ,  IKEDA TOMOMASA

IPC: B23K11/24 ,  B23K11/11

Abstract: PROBLEM TO BE SOLVED: To provide an indirect spot welding method capable of stably obtaining a go-stone shaped nugget formed in a molten state in indirect spot welding.SOLUTION: Welding time is divided into two time zones t1 and t2 in the indirect spot welding method. Pressing forces F1, F2 and current values C1, C2 are controlled in the time zones t1 and t2, respectively. In the first time zone t1, a metal plate is pressurized at the pressing force F1 shown by the formula 1 and is energized at the current value C1 shown by the formula 2. Then in the time zone t2, the metal plate is pressurized at the pressing force F2 shown the formula 3 and is energized at a current value C2 shown by the formula 4, wherein formula 1: 1.2F2≤F1≤5F2; formula 2: 0.25C2≤C1≤0.85C2; formula 3: 35T2.3≤F2≤170T1.9; and formula 4: 2T0.5≤C2≤5.5T0.9, where T is the total plate thickness (mm) of a superimposed metal plate.

Abstract translation: 要解决的问题：提供一种间接点焊方法，其能够在间接点焊中稳定地获得在熔融状态下形成的石膏形熔核。

解决方案：间接点焊方法中焊接时间分为两个时区t1和t2。 压力F1，F2和电流值C1，C2分别被控制在时区t1和t2。 在第一时间段t1中，金属板以公式1所示的按压力F1加压，并以公式2所示的电流值C1通电。然后在时间段t2中，金属板在 按压力F2显示公式3，并以公式4所示的电流值C2通电，其中式1：1.2F2≤F1≤5F2; 式2：0.25C2≤C1≤0.85C2; 公式3：35T2.3≤F2≤170T1.9; 和式4：2T0.5≤C2≤5.5T0.9，其中T是叠加的金属板的总板厚度（mm）。 版权所有（C）2012，JPO＆INPIT