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    Bearing pressure-resistant member and process for making the same
    2.
    发明公开
    Bearing pressure-resistant member and process for making the same 审中-公开
    Druckfestes Lagerbauteil und dessen Herstellungsverfahren

    公开(公告)号：EP1258644A2

    公开(公告)日：2002-11-20

    申请号：EP02010460.0

    申请日：2002-05-08

    申请人： NISSAN MOTOR COMPANY, LIMITED

    发明人： Kurebayashi,Yutaka, c/oR&D Div.Daido Tokushuko K.K ,  Kimura, Toshimitsu, c/oR&D Div.Daido Tokushuko K.K ,  Yamaguchi, Takuro ,  Otani, Keizo ,  Uchiyama, Noriko

    IPC分类号： F16C33/62

    CPC分类号： F16C33/62 ,  C23C8/22 ,  C23C8/80

    摘要： A bearing pressure-resistant member, including a matrix and a carbide dispersed in the matrix, the carbide having an average particle size of not more than 0.3 µm. A C content in an outer surface of the bearing pressure-resistant member is in a range of 0.6 to 1.5 mass percent. A process for making the bearing pressure-resistant member including subjecting a workpiece containing C to either of gas carburizing and gas carbonitriding to enhance the C content in the outer surface of the workpiece to 0.6 to 1.5 mass percent, holding the workpiece at a first temperature (tl) not more than an Ac 1 transformation point under reduced pressure, heating the workpiece to a second temperature (t2) not less than the Ac 1 transformation point under reduced pressure, followed by holding the workpiece at the second temperature (t2), and subjecting the workpiece to quenching.

    摘要翻译： 一种轴承耐压构件，其包括基体和分散在基体中的碳化物，所述碳化物的平均粒径不大于0.3μm。 轴承耐压构件的外表面的C含量在0.6〜1.5质量％的范围内。 一种制造所述轴承耐压构件的方法，包括使含有C的工件进行气体渗碳和气体碳氮共混以使所述工件的外表面中的C含量增加至0.6〜1.5质量％，将所述工件保持在第一温度 （t1）在减压下不超过Ac 1相变点，在减压下将工件加热到不小于Ac 1相变点的第二温度（t2），然后将工件保持在第二温度（t2）， 并对工件进行淬火。

    Rolling element for a continuously variable transmission and a method for producing the same
    3.
    发明公开
    Rolling element for a continuously variable transmission and a method for producing the same 审中-公开
    ären ren ren ren ren ren ren ren ren ren ren ren ren

    公开(公告)号：EP1219863A2

    公开(公告)日：2002-07-03

    申请号：EP01130687.5

    申请日：2001-12-21

    申请人： NISSAN MOTOR COMPANY, LIMITED

    发明人： Kino, Nobuo ,  Uchiyama, Noriko ,  Yamaguchi, Takuro ,  Otani, Keizo

    IPC分类号： F16H15/00

    CPC分类号： F16H15/38 ,  F16H15/00

    摘要： A rolling element for a continuously variable transmission, including a plurality of rolling members (3, 11, 15) having rolling contact portions (3a, 11a, 7b; 6a, 7a, 8) coming into rolling contact with each other via lubricating oil. At least one of the rolling contact portions includes an outer surface layer having a surface microhardness of not less than Hv 750, a surface residual compressive stress of not less than 1000 MPa and a residual austenite content of not more than 10% by volume.

    摘要翻译： 一种用于无级变速器的滚动元件，包括具有通过润滑油相互滚动接触的滚动接触部分（3a，11a，7b; 6a，7a，8）的多个滚动部件（3,11,15）。 至少一个滚动接触部分包括表面显微硬度不小于Hv750的表面层，表面残余压应力不小于1000MPa，残余奥氏体含量不大于10体积％。

    Contact pressure-resistant member and method of making the same
    6.
    发明公开
    Contact pressure-resistant member and method of making the same 审中-公开
    KontaktdruckbeständigesBauteil和Verfahren zu seiner Herstellung

    公开(公告)号：EP1512761A1

    公开(公告)日：2005-03-09

    申请号：EP04019630.5

    申请日：2004-08-18

    申请人： NISSAN MOTOR COMPANY, LIMITED

    发明人： Otani, Keizo ,  Kino, Nobuo ,  Uchiyama, Noriko ,  Yamaguchi, Takuro ,  Kimura, Toshimitsu

    IPC分类号： C21D9/36 ,  C22C38/18 ,  C23C8/22

    CPC分类号： C22C38/44 ,  C21D1/78 ,  C21D9/36 ,  C22C38/02 ,  C22C38/04 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C23C8/22

    摘要： A contact pressure-resistant member including a rolling contact portion having a carbon concentration ranging from 0.8 to 1.2%. The contact pressure-resistant member is made of a steel material containing 0.15 to 0.40% by mass of C, 0.50 to 1.50% by mass of Si, 0.20 to 1.50% by mass of Mn, 0.50 to 1.50% by mass of Cr, and 0.05 to 0.50% by mass of Mo, 0.010% by mass or less of P, at least one element selected from the group consisting of 0.50 to 3.50% by mass of Ni, 0.03 to 0.20% by mass of Ti, 0.03 to 0.15% by mass of Nb and 0.01 to 0.10% by mass of Al, and the balance of Fe and inevitable impurities.

    摘要翻译： 一种接触耐压构件，其包括碳浓度为0.8〜1.2％的滚动接触部。 接触耐压构件由含有0.15〜0.40质量％的C，0.50〜1.50质量％的Si，0.20〜1.50质量％的Mn，0.50〜1.50质量％的Cr的钢材构成， Mo：0.05〜0.50质量％，P：0.010质量％以下，选自Ni：0.50〜3.50质量％，Ti：0.03〜0.20质量％，Ti：0.03〜0.15质量％ 的Nb和0.01〜0.10质量％的Al，余量为Fe和不可避免的杂质。

    Steel for high bearing pressure-resistant member, having high machinability, and high bearing pressure-resistant member using same steel
    7.
    发明公开
    Steel for high bearing pressure-resistant member, having high machinability, and high bearing pressure-resistant member using same steel 有权
    钢具有良好的加工性的用于制造高耐压部件，因此生产的部件

    公开(公告)号：EP1156127A2

    公开(公告)日：2001-11-21

    申请号：EP01111871.8

    申请日：2001-05-16

    申请人： NISSAN MOTOR COMPANY, LIMITED

    发明人： Kimura, Toshimitsu, c/oRe.&Dev.Daido Tokushuko K.K ,  Nakayama, Tatsuomi ,  Ueda, Hiroo ,  Uchiyama, Noriko

    IPC分类号： C22C38/44 ,  C21D1/32 ,  F16H15/00

    CPC分类号： C22C38/02 ,  C21D1/32 ,  C21D9/0068 ,  C22C38/04 ,  C22C38/44 ,  F16H15/38

    摘要： A steel for a high bearing pressure-resistant member, having a high machinability. The steel is formed of a machine structural steel comprising carbon in an amount ranging from 0.15 to 0.25% by weight, silicon in an amount of not less than 0.4 % by weight, nickel in an amount ranging from 1 to 3 % by weight, chromium in an amount ranging from 1.2 to 3.2 % by weight, and molybdenum in an amount ranging from 0.25 to 2.0 % by weight. The machine structural steel contains carbide precipitated under a heat treatment for spheroidizing. The carbide has an average particle size of not larger than 1 µm and the maximum particle size of not larger than 3 µm.

    摘要翻译： 的钢具有高的机械加工性高的轴承耐压构件。 该钢形成的机械结构用钢的重量，其包括碳量以不低于0.4％的量按重量计从0:15至0.25％的硅树脂基的，镍的重量百分比范围从1至3％的量，铬的 在在用量范围为0:25至由2.0％按重量计范围从1.2至3.2％，和钼的重量。 机械结构钢含有碳化物的热处理球化下沉淀。 碳化物具有不大于1微米的平均粒度和不大于3微米的最大粒径。