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    • 4. 发明申请
    • CARBURIZED COMPONENT AND MANUFACTURING METHOD
    • 加固组件和制造方法
    • US20120085465A1
    • 2012-04-12
    • US13304733
    • 2011-11-28
    • Yutaka NeishiTakanari HamadaHidekazu SuenoYuji KobayashiHideaki Sugiura
    • Yutaka NeishiTakanari HamadaHidekazu SuenoYuji KobayashiHideaki Sugiura
    • C23C8/22C22C38/32C22C38/22C22C38/44C22C38/20C22C38/02
    • C23C8/20C21D1/06C21D7/06C21D9/28C21D9/32C21D9/40C23C8/44C23C8/64
    • A carburized component with improved fatigue strength has a base steel containing, by mass %, C: 0.15-0.25%, Si: 0.03-0.50%, Mn: more than 0.60% and not more than 1.5%, P≦0.015%, S: 0.006-0.030%, Cr: 0.05-2.0%, Al≦0.10%, N≦0.03%, and O≦0.0020%, and optionally at least one element selected from Mo, Cu, Ni, B, Ti, Nb and V, the balance being Fe and impurities. A surface hardened layer portion satisfies: (a) average carbon concentration in the region from the outermost surface to a point of 0.2 mm depth of 0.35-0.60 mass %, (b) surface roughness Rz≦15 μm, and (c) σr(0)≦-800 MPa, σr(100)≦-800 MPa, and residual stress intensity index Ir≦80000, wherein Ir is calculated by [Ir=∫|σr(y)|dy], where y μm is the depth from the outermost surface and σr(y) is the residual stress for the points from the outermost surface to a depth of 100 μm with the range of y from 0 to 100 (μm).
    • 具有改善的疲劳强度的渗碳部件具有以质量%计含有C:0.15-0.25%,Si:0.03-0.50%,Mn:大于0.60%且不大于1.5%的基础钢,P< L; 0.015%,S :0.006-0.030%,Cr:0.05-2.0%,Al< N1; 0.10%,N< NlE; 0.03%,O< E; 0.0020%,以及任选的至少一种选自Mo,Cu,Ni,B,Ti,Nb和V ,余量为Fe和杂质。 表面硬化层部分满足:(a)从最外表面到0.2mm深度的区域的平均碳浓度为0.35-0.60质量%,(b)表面粗糙度Rz< ll;15μm,(c)&sgr; r(0)≦̸ -800MPa,&sgr; r(100)≦̸ -800MPa,残余应力强度指数Ir≦̸ 80000,其中Ir由[Ir =∫|&sgr; r(y)| dy] ,其中yμm是从最外表面的深度,并且r(y)是从最外表面到100μm深度的点的残余应力,y的范围为0至100(μm)。
    • 7. 发明申请
    • DIGITAL PROTECTIVE RELAY DEVICE AND DATA TRANSMISSION DEVICE FOR THE SAME
    • 数字保护继电器装置及其数据传输装置
    • US20110013676A1
    • 2011-01-20
    • US12933281
    • 2009-03-18
    • Kazuto FukushimaHideaki SugiuraMasamichi Saga
    • Kazuto FukushimaHideaki SugiuraMasamichi Saga
    • H04L25/20
    • H02H3/30H02H1/0061
    • Provided is a high-precision and highly functional digital protective relay device and a data transmission device for a digital protective relay device, by enabling transmission of large amounts of system electrical quantity data. The data transmission device for a digital protective relay device, the transmission device comprising: an analog/digital conversion portion 6, which, after sampling a system electrical quantity signal acquired from an electric power system at m times the fundamental frequency f0 (m>12) thereof, performs conversion into n-bit digital data (n>12); a data processing portion 7, which converts m sampling data of n bits with frequency m·f0, obtained by the analog/digital conversion portion, into k sampling data with frequency k·f0 (k≦m) at or below the former frequency; and a transmitting portion 8, which transmits k sampling data obtained by the data processing portion to another protective relay device in a prescribed transmission format.
    • 提供了一种高精度,高功能的数字保护继电器装置和数字保护继电器装置的数据传输装置,能够传输大量的系统电量数据。 一种用于数字保护中继装置的数据传输装置,所述传输装置包括:模拟/数字转换部分6,其在从基本频率f0(m> 12)m倍的电力系统采集的系统电量信号 ),进行n位数字数据的转换(n> 12)。 将由模拟/数字转换部获得的n位n位的数据处理部分7转换成频率为k·f0(k≦̸ m)的k个采样数据,其频率为或低于前一频率; 以及发送部8,其以规定的发送格式将由数据处理部获得的k个采样数据发送到另一个保护用中继装置。
    • 9. 发明申请
    • Multiple-bolt insertion tool
    • 多螺栓插入工具
    • US20070006474A1
    • 2007-01-11
    • US11448890
    • 2006-06-08
    • Takao TaniguchiShigeharu IkedaTadayoshi FunaharaHideaki SugiuraHiroshi Osada
    • Takao TaniguchiShigeharu IkedaTadayoshi FunaharaHideaki SugiuraHiroshi Osada
    • G01B3/14
    • B25B23/02
    • A multiple-bolt insertion tool in accordance with the present invention simultaneously inserts bolts into at least two bolt holes arrayed in a workpiece and includes a bolt receiving member and a hold-and-release mechanism. The bolt receiving member includes bolt positioning portions which establish a positional relationship among the bolts that are to be inserted that matches the positional relationship of the bolt holes, and a tool positioning portion, which fits (mates with) the workpiece to locate the bolt positioning portions in alignment with corresponding bolt holes in the workpiece. The hold-and-release mechanism holds the bolts in the bolt positioning portions until the tool positioning portion is mated with the workpiece and can release the bolts from the bolt positioning portions.
    • 根据本发明的多螺栓插入工具同时将螺栓插入布置在工件中的至少两个螺栓孔中,并且包括螺栓接收构件和保持和释放机构。 螺栓接收构件包括螺栓定位部分,其在要插入的螺栓之间建立与螺栓孔的位置关系匹配的位置关系,以及工具定位部分,其与工件配合(配合)以定位螺栓定位 与工件中相应螺栓孔对准的部分。 保持释放机构将螺栓保持在螺栓定位部分中,直到工具定位部分与工件配合,并且可以从螺栓定位部分释放螺栓。