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41. 发明专利

JP2008290099A Resistance spot welding method 有权
标题翻译：电阻点焊方法
公开(公告)号：JP2008290099A
公开(公告)日：2008-12-04
申请号：JP2007136717
申请日：2007-05-23
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OKITA YASUAKI , IKEDA TOMOMASA , ONO MORIAKI , YASUDA KOICHI
IPC分类号： B23K11/11 , B23K11/24 , B23K11/30
摘要： PROBLEM TO BE SOLVED: To provide a resistance spot welding method capable of increasing the strength of weld joints between a thin plate and a thick plate and between thick plates irrespective of presence/absence of any gap between any steel plates of a plate assembly when performing the resistance spot welding of the plate assembly having the large thickness ratio in which a thin plate is superposed on at least any one of two or more superposed thick plates. SOLUTION: When performing the resistance spot welding while holding a workpiece of a plate assembly in which a thin plate 11 is superposed on superposed two thick plates 12, 13 by a pair of electrodes 21, 22 and applying the pressure thereto, the workpiece 10 is fixed, the electrode 21 on the side in contact with the thin plate 11 forms a fixed electrode of a welding gun, an electrode 22 on the side in contact with the thick plate 13 forms a movable electrode, and the welding is performed in two-staged processes. The welding is performed with low pressure and high current in the first process, and the welding is performed with the pressure higher than that in the first process. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够提高薄板和厚板之间以及厚板之间的焊接接头的强度的电阻点焊方法，而不管板的任何钢板之间是否存在任何间隙当对两个或多个重叠的厚板中的至少任何一个叠置厚板比较大的板组件进行电阻点焊时，进行组装。解决方案：当通过一对电极21,22将薄板11叠置在叠置的两个厚板12,13上并施加压力的板组件的工件进行电阻点焊时，工件10固定，与薄板11接触的一侧的电极21形成焊枪的固定电极，与厚板13接触的一侧的电极22形成可动电极，并进行焊接在两阶段的过程中。在第一工序中，以低压，高电流进行焊接，并且以比第一工序高的压力进行焊接。版权所有（C）2009，JPO＆INPIT

42. 发明专利

JP2008246577A Method for joining precoated metallic sheets 审中-公开
标题翻译：接合预制金属片的方法
公开(公告)号：JP2008246577A
公开(公告)日：2008-10-16
申请号：JP2008049413
申请日：2008-02-29
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： HORIKOSHI TAIKAN , ONO MORIAKI , YASUDA KOICHI
IPC分类号： B23K26/20 , B23K26/32 , B23K103/16
摘要： PROBLEM TO BE SOLVED: To provide a joining method of precoated metallic sheets having high productivity as well as stably high joint strength and superior outside appearance. SOLUTION: In the joining method, at least one of the two metallic sheets has a covering layer on one side, with this side fillet-welded facing the superimposed face. Then, upon provision with a gap between the end of the upper metallic sheet 1 and the lower metallic sheet 2, welding is performed by a laser brazing method. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有高生产率以及稳定的高接合强度和优异的外观的预涂金属片的接合方法。解决方案：在接合方法中，两个金属片中的至少一个在一侧具有覆盖层，该侧面焊接面朝向叠合面。然后，在上金属片1的端部和下金属片2之间设置有间隙时，通过激光钎焊法进行焊接。版权所有（C）2009，JPO＆INPIT

43. 发明专利

JP2008200751A Wire for electroslag welding 审中-公开
标题翻译：电焊丝
公开(公告)号：JP2008200751A
公开(公告)日：2008-09-04
申请号：JP2007207637
申请日：2007-08-09
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SAKAGUCHI SHUICHI , KAWABATA FUMIMARU , YASUDA KOICHI
IPC分类号： B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a wire for electroslag welding suitable for welding of a building box column for which tenacity of a weld zone is required.
SOLUTION: A steel jacket or a jacket and a metal powder contain by mass% 0.002-0.1% C, 0.02-1.5% Si, 1.5-3.0% Mn, 0.01-0.10% Al, 0.05-0.28% Ti, 0.2-1.2% Mo, and 0.002-0.008% N, and B satisfying the expression, 0.006
摘要翻译：要解决的问题：提供适用于需要焊接区域的强度的建筑物箱柱的焊接的电渣焊丝。钢夹套或夹套及金属粉末含有质量％0.002-0.1％C，0.02-1.5％Si，1.5-3.0％Mn，0.01-0.10％Al，0.05-0.28％Ti，0.2 -1.2％Mo和0.002-0.008％N，B满足表达式0.006 <[B] - [N] <0.01 [B]和[N]是含量（质量％），理想含有0.0090-0.016％ B，余量为Fe与不可避免的杂质。版权所有（C）2008，JPO＆INPIT

44. 发明专利

JP2007175732A Consumable nozzle for electro-slag welding 审中-公开
标题翻译：电焊机用消毒喷嘴
公开(公告)号：JP2007175732A
公开(公告)日：2007-07-12
申请号：JP2005377068
申请日：2005-12-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SAKAGUCHI SHUICHI , YASUDA KOICHI
IPC分类号： B23K25/00
摘要： PROBLEM TO BE SOLVED: To provide a consumable nozzle for electro-slag welding which can reduce the cross-sectional area of a bevel, thus can reduce welding heat input, and is suitable for the welding of a box column for building.
SOLUTION: The consumable nozzle has an assembled structure provided with a nozzle body and a power feed part at the tip, and the nozzle body has a rectangular cross-section with a width of ≥12 mm and a thickness of 5 to 10 mm, and spacers 2 arranged so as to be provided with a space (a) required for wire feeding are held between confronted planar members. Each planar member has a thickness of >1 to 1.8 to 1.6 to
摘要翻译：要解决的问题：为了提供可以减小斜面的横截面面积的电渣焊接的消耗性喷嘴，因此可以减少焊接热输入，并且适合于用于建筑的箱体柱的焊接。解决方案：消耗喷嘴具有在顶端设置有喷嘴体和供电部的组装结构，并且喷嘴体具有宽度≥12mm且厚度为5至10的矩形横截面并且被布置成具有用于送丝所需的空间（a）的间隔件2保持在面对的平面构件之间。每个平面构件具有> 1至<4mm的厚度，间隔件具有> 1.8至<4mm的厚度，间隔件以3至5mm的间隔布置，用于确保送丝所需的空间，供电部具有> 1.6至<2.8mm的喷嘴孔，待进给的线的直径≤2.4mm，并且喷嘴体优选具有通过TIG（钨惰性气体）焊接的组装结构。版权所有（C）2007，JPO＆INPIT

45. 发明专利

JP2007160325A Electric resistance welded tube excellent in brittle fracture resistance occurrence characteristic 审中-公开
$Electric resistance welded tube excellent in brittle fracture resistance occurrence characteristic$
标题翻译：耐电焊丝优良耐腐蚀性能特点
公开(公告)号：JP2007160325A
公开(公告)日：2007-06-28
申请号：JP2005357205
申请日：2005-12-12
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： HANDA TSUNEHISA , KUBO TAKAHIRO , YASUDA KOICHI , OKABE YOSHITOMO
IPC分类号： B23K13/00
摘要： PROBLEM TO BE SOLVED: To provide an electric resistance welded tube having excellent brittle fracture resistance occurrence characteristic and capable of obtaining the excellent a CTOD (Critical Crack Opening Displacement) value.
SOLUTION: A bond part in a section in the radial direction consists of one to three oblique lines having the angle θ with respect to the radial direction, preferably, 3 to 30°. The yield strength of a weld is not higher than the yield strength of a base material part, and the yield ratio of the weld is ≤85%.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的抗脆性断裂特性并且能够获得优异的CTOD（Critical Crack Opening Displacement）值的电阻焊管。解决方案：径向截面中的接合部分由相对于径向方向具有角度θ的一至三条斜线组成，优选为3°至30°。焊接的屈服强度不高于基材部的屈服强度，焊接屈服比≤85％。版权所有（C）2007，JPO＆INPIT

46. 发明专利

JP2007063609A Method for reducing surface oxide of metallic material 审中-公开
标题翻译：减少金属材料表面氧化物的方法
公开(公告)号：JP2007063609A
公开(公告)日：2007-03-15
申请号：JP2005250432
申请日：2005-08-31
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SUMI HIROYUKI , ONO MORIAKI , YASUDA KOICHI
IPC分类号： C23C26/00 , C23G5/00
摘要： PROBLEM TO BE SOLVED: To provide a method for uniformly and effectively reducing a surface oxide of a metallic material by irradiating plasma jet of reducing gas without generating any surface melting on the surface irradiated with plasma.
SOLUTION: In the method for reducing the surface oxide of the metallic material, the negative electric field is applied to a thermal plasma torch side and the positive electric field is applied to the metallic material side which is an object for irradiation when irradiating plasma jet 5 of reducing gas ejected from the thermal plasma torch on the surface of the metallic material 6.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过在等离子体照射的表面上照射等离子体射流还原气体而不产生任何表面熔融来均匀有效地还原金属材料的表面氧化物的方法。解决方案：在用于还原金属材料的表面氧化物的方法中，将负电场施加到热等离子体焰炬侧，并且将正电场施加到作为照射对象的金属材料侧从金属材料6的表面上的热等离子体焰炬喷射的还原气体的等离子体喷射5。（C）2007，JPO＆INPIT

47. 发明专利

JP2007007690A Method for joining precoated metallic sheet 审中-公开
标题翻译：接合预制金属片的方法
公开(公告)号：JP2007007690A
公开(公告)日：2007-01-18
申请号：JP2005191552
申请日：2005-06-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： HORIKOSHI TAIKAN , KITANI YASUSHI , ONO MORIAKI , YASUDA KOICHI
IPC分类号： B23K26/20 , B23K26/32 , B23K103/16
摘要： PROBLEM TO BE SOLVED: To provide a joining method of precoated metallic sheets, wherein high joint strength is obtained stably with high productivity. SOLUTION: In this joining method of the precoated metallic sheets, when performing lap fillet joining of mutual metallic sheets on which a covering layer having no electrical conductivity is formed on at least one side or a metallic sheet on which the covering layer having no the electrical conductivity is formed on at least one side and a metallic sheet having the electrical conductivity, two laser beams are used and the covering layer is removed by irradiating a part to be joined of the metallic sheet on which the covering layer having no the electrical conductivity is formed, with the first laser beam, a joining wire is fed to the part of the metallic sheet where the covering layer is removed and the joining is performed by melting the joining wire by the irradiation with the second laser beam. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供以高生产率稳定地获得高接合强度的预涂金属片的接合方法。解决方案：在预涂金属片的接合方法中，当在至少一面上形成有不具有导电性的覆盖层的相互金属片进行搭接圆角接合时，或在其上具有覆盖层的金属片在至少一面和具有导电性的金属片不产生导电性，使用两根激光束，并且通过照射不具有导电性的覆盖层的金属片的待接合部分去除覆盖层形成导电性，利用第一激光束，将接合线馈送到去除覆盖层的金属片的部分，并且通过用第二激光束照射来熔化接合线来进行接合。版权所有（C）2007，JPO＆INPIT

48. 发明专利

JP2006334654A Electro-slag welding method 审中-公开
标题翻译：电焊条焊接方法
公开(公告)号：JP2006334654A
公开(公告)日：2006-12-14
申请号：JP2005164918
申请日：2005-06-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SAKAGUCHI SHUICHI , YASUDA KOICHI
IPC分类号： B23K25/00
摘要： PROBLEM TO BE SOLVED: To provide an electro-slag welding method capable of low heat input welding.
SOLUTION: In the method, a cross-sectional shape in the wire receiving orthogonal direction of a consumable nozzle is made rectangular, preferably, as a welding source, a direct current constant voltage source is used, and a welding wire diameter is controlled to
摘要翻译：要解决的问题：提供一种能够进行低热输入焊接的电渣焊接方法。解决方案：在该方法中，将可消耗喷嘴的正交方向的线中的截面形状设为矩形，优选为焊接源，使用直流恒压源，焊丝直径为控制在<2.4mm，优选至1.6mm。消耗性喷嘴的矩形截面尺寸被设定为宽度Wn和厚度Tn优选满足12 <宽度Wn <（膜片-5的厚度Wd）（mm），并且5 < 厚度Tn <10（mm）。版权所有（C）2007，JPO＆INPIT

49. 发明专利

JP2006055898A Resistance spot welding method 有权
标题翻译：电阻点焊方法
公开(公告)号：JP2006055898A
公开(公告)日：2006-03-02
申请号：JP2004242431
申请日：2004-08-23
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OKITA YASUAKI , SAKAGUCHI SHUICHI , ONO MORIAKI , YASUDA KOICHI
IPC分类号： B23K11/11 , B23K11/30
摘要： PROBLEM TO BE SOLVED: To provide a resistance spot welding method where, even in a plate assembly having a high plate thickness ratio, a nugget with a required size can be formed without the generation of scattering.
SOLUTION: At the time when a plate assembly obtained by superposing a thin metal sheet on one side of superimposed two or more thick metal plates is held by a pair of electrode tips, and resistance spot welding composed of first and second stages is performed, either electrode tip in contact with the thin sheet has the head with a curved surface preferably having a curvature radius R1 of ≥60 mm, the other electrode tip in contact with the thick plate has the head with a flat surface or a curved surface having a curvature radius larger than the curvature radius R1 of the head in the electrode tip in contact with the thin sheet, and the resistance spot welding is performed in such a manner that pressurizing force in the second welding is made higher than that in the first welding. Thus, a spot welded joint free from the generation of scattering and having a required nugget size can be obtained.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种电阻点焊方法，其中即使在具有高板厚比的板组件中，也可以形成具有所需尺寸的熔核而不产生散射。解决方案：当通过在叠加的两个或更多个厚金属板的一侧上叠加薄金属片获得的板组件被一对电极头保持时，由第一和第二阶段组成的电阻点焊是执行的是，与薄片接触的电极头具有具有优选具有≥60mm的曲率半径R1的弯曲表面的头部，与厚板接触的另一个电极头具有平坦表面或曲面的头部其曲率半径大于与薄片接触的电极尖端中的头部的曲率半径R1，并且以这样的方式进行电阻点焊，使得第二焊接中的加压力高于第一焊接中的加压力焊接。因此，可以获得不产生散射并具有所需的熔核尺寸的点焊接头。版权所有（C）2006，JPO＆NCIPI

50. 发明专利

JP2005262259A Method for manufacturing resistance spot welded joint 有权
标题翻译：制造电阻焊接接头的方法
公开(公告)号：JP2005262259A
公开(公告)日：2005-09-29
申请号：JP2004077118
申请日：2004-03-17
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OKITA YASUAKI , ONO MORIAKI , SAKAGUCHI SHUICHI , YASUDA KOICHI
IPC分类号： B23K11/24
摘要： PROBLEM TO BE SOLVED: To propose a method for manufacturing a spot welded joint having a nugget of a required size without the occurrence of expulsion and surface flash.
SOLUTION: In welding a plate set formed by superposing a plurality of metallic plates on each other, spot welding comprising two stages; a first stage and a second stage, is employed and the welding of the second stage is composed of the welding of a lower current and longer weld time with a higher pressure force as compared with the welding of the first stage, The welding of the first stage in which the pressure force P
I , the welding current I
I and the weld time T
I in the relation of the thickness (mm) of the thinnest metal among the plurality of the metallic plates satisfy 0.8tm≤P
I ≤5tm, 3tm+5≤I
I , 2≤T
I ≤6 (where tm: the thickness (mm) of the thinnest metallic plate among the plurality of the metallic plates) and the welding of the second stage in which the pressure force P
II , the welding current I
II and the weld time T
II satisfy 1.1P
I ≤P
II ≤10P
I , 0.51
I ≤I
II ≤I
I , T
I ≤T
II ≤10T
I are preferably employed. As a result, the spot welded joint having the nugget diameter of the required size without the occurrence of of the expulsion and surface flash is obtained.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提出一种具有所需尺寸的熔核的点焊接头的制造方法，而不会发生排出和表面闪光。
解决方案：在将由多个金属板叠置形成的板组焊接在一起时，包括两个阶段的点焊; 第一阶段和第二阶段的焊接，与第一阶段的焊接相比，第二阶段的焊接由较低的电流和较长的焊接时间与更高的压力的焊接组成。第一阶段的焊接其中压力力P I ，焊接电流I I 和焊接时间T I 之间的厚度（mm）在多个金属板中最薄金属的最小值满足0.8tm≤P I ≤5tm，3tm +5≤I I ，2≤T< SB>≤6（其中tm：多个金属板中最薄金属板的厚度（mm））和其中压力P II的第二阶段的焊接，焊接电流I II 和焊接时间T II 满足1.1P ≤P II ≤10P ，0.51 I ≤I II ≤I I I ≤T< 优选使用≤10T I 。结果，获得具有所需尺寸的熔核直径的点焊接头，而不发生排出和表面闪光。版权所有（C）2005，JPO＆NCIPI

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