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    • 4. 发明申请
    • Connecting structure between rotary shaft and metal plate and method of connecting therebetween
    • 旋转轴与金属板之间的连接结构及其连接方法
    • US20050120998A1
    • 2005-06-09
    • US10948756
    • 2004-09-24
    • Masayuki KobayashiKoji HaradaKeiichi UrakiYuki Ejiri
    • Masayuki KobayashiKoji HaradaKeiichi UrakiYuki Ejiri
    • F16B11/00B21K25/00F02D11/10F16D1/072F16D1/08F16D1/09F02D1/00
    • B21K25/00F02D11/10F16D1/072F16D1/0858Y10T29/49945
    • In a connecting structure between a rotary shaft and a metal plate and a method of connecting them together, in which the metal plate can be joined to the rotary shaft with a high degree of accuracy with high strength at a low manufacturing cost without causing eccentricity, inclination, or the like as far as possible, a large-diameter shaft portion and a small-diameter shaft portion are connected to each other with a predetermined difference in diameter so as to form therebetween a shoulder surface perpendicular to an axis of rotation, plural stripes of coining indents extending in a direction of shaft length are formed on the outer peripheral surface of the small-diameter shaft portion, a circular-shaped mount hole adapted to be fitted onto the small-diameter shaft portion is formed in the metal plate, the mount hole of the metal plate is press-fitted onto the small-diameter shaft portion so as to be subjected to plastic deformation by the coining indents, a portion surrounding the mount hole on one side surface of the metal plate is pushed against the shoulder surface, and the outer peripheral surface of the small-diameter shaft portion and the mount hole of the metal plate are joined together by laser welding or the like.
    • 在旋转轴和金属板之间的连接结构和将它们连接在一起的方法,其中金属板可以以低制造成本高精度地高精度地接合到旋转轴而不会产生偏心, 倾斜等等,大直径轴部和小直径轴部以规定的直径差彼此连接,从而形成与旋转轴线垂直的台肩面,多个 在小直径轴部的外周面上形成有沿轴长方向延伸的压印印痕的条纹,在金属板上形成适合嵌合在小直径轴部上的圆形安装孔, 金属板的安装孔被压配合到小直径轴部分上,以便通过压印凹口进行塑性变形,围绕m 金属板的一个侧面上的排孔被推靠在台肩面上,小直径轴部的外周面和金属板的安装孔通过激光焊接等接合在一起。
    • 6. 发明申请
    • Laser beam welding structure, laser beam welding method, and vehicle control unit using the laser beam welding structure
    • 激光束焊接结构,激光束焊接方法以及使用激光束焊接结构的车辆控制单元
    • US20060196856A1
    • 2006-09-07
    • US11349915
    • 2006-02-09
    • Shin OnoseShinya NakataniKeiichi UrakiYasunori Odakura
    • Shin OnoseShinya NakataniKeiichi UrakiYasunori Odakura
    • B23K26/20
    • B23K26/244B23K26/242B23K26/702B23K26/704B23K2101/42
    • [Object]In a laser beam welding structure for welding workpieces by emitting laser beam onto a work portion of the workpieces, the size of the workpiece and resin member can be minimized and, when welding workpieces by emitting laser beam onto the work portion of the workpieces, burning of the resin member covering the workpiece and located near the work portion, due to the reflected laser beam caused from surface of a melting portion of the workpiece on the working portion can be prevented. [Means for Achieving the Object]In a laser beam welding structure for welding two workpieces 1, 2 by emitting laser beam 4 onto a the work portion between the two workpieces, wherein resin members covering the workpieces 1, 2 are provided at the position receiving the reflected laser beam from surface of a melting portion 6A on the working portion 6 when emitting laser beam 4 onto the work portion 6, resin members 5a, 5b capable of transmission of the reflected laser beam are employed for the resin member 5 located at the position receiving the reflected laser beam 3 so as to absorb the reflected laser beam 3 from surface of the melting portion 6A when emitting laser beam 4 onto the work portion 6 between the two workpieces 1, 2 and to prevent burning of the resin member 5.
    • 在通过将工件发射激光束到工件的工件上来焊接工件的激光束焊接结构中,可以使工件和树脂部件的尺寸最小化,并且当通过将工件发射到工件的工作部分 可以防止由于工件在工作部分的熔化部分的表面引起的反射激光束而覆盖工件并位于工件部分附近的树脂部件的燃烧。 [实现对象的手段]在通过将激光束4发射到两个工件之间的工件上来焊接两个工件1,2的激光束焊接结构中,其中覆盖工件1,2的树脂构件设置在接收位置 在将激光束4发射到工件6上的工作部分6上的熔化部分6A的表面的反射激光束,能够透射反射激光束的树脂部件5a,5b被用于树脂部件5 位于接收反射激光束3的位置,以便当将激光束4发射到两个工件1,2之间的工件6上时,从熔化部分6A的表面吸收反射激光束3,并且防止 树脂构件5。
    • 8. 发明授权
    • Connecting structure between rotary shaft and metal plate and method of connecting therebetween
    • 旋转轴与金属板之间的连接结构及其连接方法
    • US07117844B2
    • 2006-10-10
    • US10948756
    • 2004-09-24
    • Masayuki KobayashiKoji HaradaKeiichi UrakiYuki Ejiri
    • Masayuki KobayashiKoji HaradaKeiichi UrakiYuki Ejiri
    • F02D9/08F02D1/00
    • B21K25/00F02D11/10F16D1/072F16D1/0858Y10T29/49945
    • In a connecting structure between a rotary shaft and a metal plate and a method of connecting them together, in which the metal plate can be joined to the rotary shaft with a high degree of accuracy with high strength at a low manufacturing cost without causing eccentricity, inclination, or the like as far as possible, a large-diameter shaft portion and a small-diameter shaft portion are connected to each other with a predetermined difference in diameter so as to form therebetween a shoulder surface perpendicular to an axis of rotation, plural stripes of coining indents extending in a direction of shaft length are formed on the outer peripheral surface of the small-diameter shaft portion, a circular-shaped mount hole adapted to be fitted onto the small-diameter shaft portion is formed in the metal plate, the mount hole of the metal plate is press-fitted onto the small-diameter shaft portion so as to be subjected to plastic deformation by the coining indents, a portion surrounding the mount hole on one side surface of the metal plate is pushed against the shoulder surface, and the outer peripheral surface of the small-diameter shaft portion and the mount hole of the metal plate are joined together by laser welding or the like.
    • 在旋转轴和金属板之间的连接结构和将它们连接在一起的方法,其中金属板可以以低制造成本高精度地高精度地接合到旋转轴而不会产生偏心, 倾斜等等,大直径轴部和小直径轴部以规定的直径差彼此连接,从而形成与旋转轴线垂直的台肩面,多个 在小直径轴部的外周面上形成有沿轴长方向延伸的压印印痕的条纹,在金属板上形成适合嵌合在小直径轴部上的圆形安装孔, 金属板的安装孔被压配合到小直径轴部分上,以便通过压印凹口进行塑性变形,围绕m 金属板的一个侧面上的排孔被推靠在台肩面上,小直径轴部的外周面和金属板的安装孔通过激光焊接等接合在一起。
    • 9. 发明授权
    • Method for weld repairing of structures in nuclear reactors
    • 核反应堆结构焊缝修复方法
    • US5674419A
    • 1997-10-07
    • US498485
    • 1995-07-05
    • Hiroo KoideYasumasa TamaiJunichiro MorisawaToshimi MatsumotoKeiichi Uraki
    • Hiroo KoideYasumasa TamaiJunichiro MorisawaToshimi MatsumotoKeiichi Uraki
    • G21C19/02B23K9/00B23K9/04B23K31/02
    • B23K31/02
    • Disclosed is a highly reliable weld repairing method to repair a crack defect in structures and apparatus inside pressure vessels of nuclear reactors, while preventing generation of new crack defects in the structures and apparatus during the repairing. These structures and apparatus are made of any of stainless steel and Ni-base alloys, and are irradiated with high energy corpuscular ray during operating period of the reactor. The repairing method includes the steps of eliminating a region of the structure or the apparatus including a portion having the crack defect, and executing spot welding at a surface of the region continuously or interruptedly in a manner so as to form a first welded layer in a manner that each of the spot welded spots is half-overlapped with adjacent welded spots. Additionally, welding for forming at least a second layer, on the first welded layer, so that the at least a second layer is not deeper than a weld penetration thickness of the first welded layer can be performed.
    • 公开了一种高度可靠的焊接修复方法,用于修复核反应堆压力容器内的结构和设备中的裂纹缺陷,同时防止在修复期间在结构和设备中产生新的裂纹缺陷。 这些结构和装置由不锈钢和镍基合金中的任何一种制成,并且在反应器运行期间被照射高能量红外线。 修复方法包括以下步骤:消除结构的区域或包括具有裂纹缺陷的部分的设备,并且以连续或间断的方式在该区域的表面上进行点焊以形成第一焊接层 每个点焊点与相邻焊接点半重叠的方式。 此外,可以进行在第一焊接层上形成至少第二层的至少第二层的焊接,使得至少第二层不比第一焊接层的焊接穿透厚度更深。