公开(公告)号：US4497670A

公开(公告)日：1985-02-05

申请号：US463854

申请日：1983-02-04

申请人： Masao Siga ,  Seishin Kirihara ,  Takatoshi Yoshioka ,  Katsukuni Hisano ,  Toshimi Tan ,  Yoji Akutsu ,  Kei Kobayashi

发明人： Masao Siga ,  Seishin Kirihara ,  Takatoshi Yoshioka ,  Katsukuni Hisano ,  Toshimi Tan ,  Yoji Akutsu ,  Kei Kobayashi

IPC分类号： F01D5/06 ,  B23P11/02 ,  C21D9/14 ,  C21D9/38 ,  F01D25/16 ,  C21D9/28

CPC分类号： C21D9/14 ,  B23P11/02 ,  C21D9/38 ,  F16C35/02

摘要： A rotor shaft for steam turbines has a journal portion to be supported by a bearing. The journal portion is provided with a sleeve for a bearing made of an alloy of bainite structure comprising 0.04 to 0.35% C, 0.2 to 2% Mn, less than 1% Si, 0.5 to 3% Cr, less than 5% Ni, and less than 0.5% V, having yield strength of more than 50 kg/mm.sup.2 and Lt of less than 24. The sleeve is divided into two semicylindrical segments, and they are arranged on a small diameter portion of the shaft adjacent to said journal portion, welded into one piece, and subjected to stress relief treatment at a temperature higher than a temperature of tempering conducted to the sleeve before welding. The welded sleeve is fitted on the journal portion by shrink-fit so that the sleeve can be served as a superior bearing.

摘要翻译： 用于蒸汽轮机的转子轴具有由轴承支撑的轴颈部分。 轴颈部分设有用于由贝氏体组织合金制成的轴承套筒，该套筒包括0.04-0.35％的C，0.2到2％的Mn，小于1％的Si，0.5到3％的Cr，小于5％的Ni，以及 屈服强度大于50kg / mm2，Lt小于24.套筒被分成两个半圆柱形部分，并且它们布置在与所述轴颈部分相邻的轴的小直径部分上， 焊接成一体，在比焊接前对套筒进行回火温度高的温度下进行应力消除处理。 焊接套管通过收缩配合安装在轴颈部分上，使得套筒可以作为优越的轴承。

公开(公告)号：US4794688A

公开(公告)日：1989-01-03

申请号：US35033

申请日：1987-04-06

申请人： Takeshi Wada ,  Hisanao Kita ,  Yoshinori Karatsu ,  Yoji Akutsu

发明人： Takeshi Wada ,  Hisanao Kita ,  Yoshinori Karatsu ,  Yoji Akutsu

IPC分类号： H01R4/68 ,  H01L39/02

CPC分类号： H01L39/02 ,  Y10T29/49014 ,  Y10T29/49195

摘要： A method of connecting superconducting wires have the steps of preparing a connecting superconducting wire piece, exposing the filaments of the superconducting layers to be connected and the filaments of the connecting superconducting wire piece by partially dissolving and removing the coating layers, inserting the filaments of the superconducting wires to be connected into the filaments of the connecting superconducting wire piece such that the filaments of the connecting superconducting wire piece cross and envelope the filaments of the superconducting wires to be connected, fitting a metallic connecting pipe on the region where the filaments cross each other, and crimping the metallic connecting pipe onto the crossing filaments thereby tightly fixing and connecting the exposed filaments to each other.

摘要翻译： 连接超导线的方法具有如下步骤：通过部分地溶解和去除涂层，将连接的超导线材的长丝暴露出待连接的超导层的长丝和连接的超导线材的长丝， 超导线将连接到连接超导线材的细丝中，使得连接超导线材的长丝交叉并包围待连接的超导线材的长丝，在金属连接管道上在每根纤维交叉的区域上安装金属连接管 将金属连接管压接在交叉的细丝上，从而将暴露的细丝彼此紧密地固定和连接。

公开(公告)号：US5302795A

公开(公告)日：1994-04-12

申请号：US759528

申请日：1991-09-13

申请人： Takeo Kurokawa ,  Yoji Akutsu ,  Noboru Umehara ,  Toshio Netsu

发明人： Takeo Kurokawa ,  Yoji Akutsu ,  Noboru Umehara ,  Toshio Netsu

IPC分类号： F23R3/42 ,  B21D41/02 ,  B23K1/00 ,  B23K11/00 ,  B23K11/11 ,  B23K11/31 ,  B23K37/04

CPC分类号： B23K11/312 ,  B23K11/002

摘要： A combustion line, having a combustion liner body and rings welded inside the liner body, is fabricated by enlarging the diameter of each ring so that the spacing between the outer pheripheral surface of the ring and the inner peripheral surface of the liner body may fall within a predetermined range. Subsequently tacking the ring and the liner body by lap resistance welding in the state in which the diameter of the ring has been enlarged; thereafter, brazing the rings and the liner body which have been tacked.

摘要翻译： 具有燃烧衬套主体和焊接在衬套本体内的环的燃烧管线通过扩大每个环的直径来制造，使得环的外表面与衬套主体的内周表面之间的间隔可能落入 预定范围。 随后在环的直径扩大的状态下通过搭接电阻焊接来固定环和衬垫体; 此后，将已经固定的环和衬垫体进行钎焊。

公开(公告)号：US4327273A

公开(公告)日：1982-04-27

申请号：US131857

申请日：1980-03-19

申请人： Hisanao Kita ,  Yoshinori Karatsu ,  Takamitsu Nakazaki ,  Yoji Akutsu

发明人： Hisanao Kita ,  Yoshinori Karatsu ,  Takamitsu Nakazaki ,  Yoji Akutsu

IPC分类号： B23K15/00 ,  H01J37/301

CPC分类号： H01J37/301 ,  B23K15/00

摘要： A vacuum chamber for welding in which to place a workpiece is hermetically connected to a vacuum chamber for an electron beam gun in which to place an electron beam gun, and the former is kept at a vacuum of 1.times.10.sup.-4 Torr while the latter, at a vacuum of 1.times.10.sup.-6 Torr. The distance between the electron beam gun and the surface of the workpiece is made greater than the mean free path of gas molecules and metal vapor molecules generated in treating, e.g., 1.85 m. Two focusing coils are arranged to prevent the expansion of the electron beams.

摘要翻译： 将用于放置工件的用于焊接的真空室与用于放置电子束枪的电子束枪的真空室气密连接，并且将前者保持在1×10-4乇的真空，而后者处于 真空度为1×10-6乇。 电子束枪与工件表面之间的距离大于在处理例如1.85μm时产生的气体分子和金属蒸气分子的平均自由程。 布置两个聚焦线圈以防止电子束的膨胀。

公开(公告)号：US4317022A

公开(公告)日：1982-02-23

申请号：US208428

申请日：1980-11-19

申请人： Hisanao Kita ,  Yoshinori Karatsu ,  Takamitsu Nakazaki ,  Yoji Akutsu

发明人： Hisanao Kita ,  Yoshinori Karatsu ,  Takamitsu Nakazaki ,  Yoji Akutsu

IPC分类号： B23K15/00 ,  H01J37/15 ,  H01J37/315 ,  B23K27/00

CPC分类号： H01J37/315 ,  B23K15/0013 ,  H01J37/15

摘要： An electron beam welding machine comprises an electron gun including a first beam adjusting means, a second beam adjusting means disposed spaced from the first beam adjusting means so as to be movable in the direction of an electron beam path, and position adjusting means for adjusting the position of the second beam adjusting means through rotary movement about an axis perpendicularly crossing the electron beam path and linear movements on a plane perpendicular to the electron beam path. The machine further includes a mirror and light source mounted on the electron gun to emit light on the electron beam path, and photodetectors mounted on the opposite sides of the second beam adjusting means so as to face the electron gun and a workpiece, whereby the correct position of the second beam adjusting means is detected.

摘要翻译： 电子束焊接机包括电子枪，该电子枪包括第一光束调节装置，与第一光束调节装置间隔开以便能够沿电子束路径移动的第二光束调节装置，以及位置调节装置， 第二光束调节装置通过围绕垂直于电子束路径的轴线的旋转运动和垂直于电子束路径的平面上的线性运动而进行第二光束调节装置的位置。 该机器还包括安装在电子枪上的反射镜和光源，以在电子束路径上发光，以及安装在第二光束调节装置的相对侧上以便面对电子枪和工件的光电检测器，由此正确 检测第二光束调整装置的位置。

公开(公告)号：US4271348A

公开(公告)日：1981-06-02

申请号：US48883

申请日：1979-06-15

申请人： Takamitsu Nakazaki ,  Hisanao Kita ,  Yoji Akutsu

发明人： Takamitsu Nakazaki ,  Hisanao Kita ,  Yoji Akutsu

IPC分类号： B23K15/00

CPC分类号： B23K15/00

摘要： An electron beam welding apparatus is provided with a magnetic shielding pipe for preventing electron beams emitted from being deflected by stray magnetic fields, and a removing device for removing metal deposit accumulated on a tip portion of the magnetic shielding pipe, which tip portion faces to a weld formed by welding of materials to be welded. The removing device is provided with at least a pair of shutters which move along a tip face of the tip portion to prevent the metal deposit from accumulating on the tip portion. The pair of shutters provides in their central portion a hole for passing electron beams therethrough when they are closed so that welding can continue irrespectively of the movement of the shutters.

摘要翻译： 电子束焊接装置设有用于防止由杂散磁场偏转的电子束的磁屏蔽管，以及用于去除积聚在磁屏蔽管的尖端部分上的金属沉积物的去除装置，该尖端部分面向 通过焊接焊接形成的焊接材料。 除去装置设置有至少一对沿着尖端部的前端面移动的挡板，以防止金属沉积物积聚在尖端部分上。 一对百叶窗在它们的中心部分提供一个孔，用于当它们关闭时使电子束通过，使得焊接可以随着快门的运动而持续。