公开(公告)号：US06348114B1

公开(公告)日：2002-02-19

申请号：US09274765

申请日：1999-03-24

申请人： Haruyuki Oshiro ,  Takashi Tomikawa ,  Soji Kamiya ,  Katuyuki Hashizume

发明人： Haruyuki Oshiro ,  Takashi Tomikawa ,  Soji Kamiya ,  Katuyuki Hashizume

IPC分类号： C21D940

CPC分类号： C22C1/0425 ,  B22F7/04 ,  B22F2998/10 ,  B32B15/01 ,  F16C33/121 ,  Y10S428/906 ,  Y10S428/941 ,  B22F9/082 ,  B22F3/10 ,  B22F3/18

摘要： A sliding bearing having improved seizure resistance has the following structure: (a) A bearing layer (2). It comprises a copper alloy containing in a Cu matrix Ag, Sn, Sb, In, Mn, Fe, Bi, Zn, Ni and/or Cr. (b) A first sub-layer (3) of the bearing layer (2). First sub-layer (3) contains concentrated element, hexagonal compound or eutectic of said element(s). (c) A second sub-layer (2a) in which said element in essential solid-solution state. (d) Metal backing (1).

摘要翻译： 具有改善的耐咬住性的滑动轴承具有以下结构：（a）承载层（2）。 它包括含有Cu基体Ag，Sn，Sb，In，Mn，Fe，Bi，Zn，Ni和/或Cr的铜合金（b）承载层（2）的第一子层（3） 。 第一子层（3）含有所述元素的浓缩元素，六方晶系化合物或共晶体;（c）其中所述元素基本固溶状态的第二子层（2a）（d）金属背衬 1）。

公开(公告)号：US06517644B2

公开(公告)日：2003-02-11

申请号：US09735523

申请日：2000-12-14

申请人： Akihiro Kiuchi ,  Hiromichi Takemura ,  Yasuo Murakami

发明人： Akihiro Kiuchi ,  Hiromichi Takemura ,  Yasuo Murakami

IPC分类号： C21D940

CPC分类号： C22C38/24 ,  C21D1/18 ,  C21D9/40 ,  C22C38/04 ,  C22C38/20 ,  C22C38/22 ,  C22C38/28 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/50 ,  F16C19/06 ,  F16C33/62 ,  Y10S148/906

摘要： An outer ring 2 as a stationary ring is fabricated with a steel material having the composition as shown under. The steel material contains, as alloying elements, C 0.80 to 1.10 wt %, Si 0.20 to 0.50 wt %, Mn 0.2 to 1.0 wt %. It also contains any two kinds or more of Cr, Mo and V at rates of Cr: 1.2 to 3.5 wt %, Mo: 0.5 to 1.5 wt % and V: 0.2 to 1.0 wt %. The containing rates of Cr, Mo and V satisfy the under mentioned formula (1). It further contains Ti and/or Cu at rates of Ti: 0.05 to 0.20 wt % and Cu: 0.2 to 2.0 wt % 1.8≦[Cr]×0.6+[Mo]×0.5+[V]≦3.0  (1). Accordingly, it is possible to remarkably lengthen the life of a rolling bearing such as a bearing for alternator to be used under high vibration and high load.

摘要翻译： 作为固定环的外圈2由具有下述组成的钢材制造。 作为合金元素，钢材含有0.80〜1.10重量％的Si，0.20〜0.50重量％的Si，Mn：0.2〜1.0重量％。 它还含有Cr，Mo和V中的任何两种或更多种，其中Cr：1.2-3.5wt％，Mo：0.5-1.5wt％，V：0.2-1.0wt％。 Cr，Mo和V的含量满足下述式（1）。 其还含有Ti：0.05〜0.20重量％的Ti和/或Cu，Cu：0.2〜2.0重量％。因此，可以显着延长滚动轴承的使用寿命，例如用于交流发电机的轴承 高振动和高负载。

公开(公告)号：US06808571B2

公开(公告)日：2004-10-26

申请号：US09930172

申请日：2001-08-16

申请人： Hiromasa Tanaka ,  Kikuo Maeda ,  Tosiya Kinami ,  Sadayuki Nakamura

发明人： Hiromasa Tanaka ,  Kikuo Maeda ,  Tosiya Kinami ,  Sadayuki Nakamura

IPC分类号： C21D940

CPC分类号： C23C8/80

摘要： A heat resistant carburized rolling bearing component is formed of a steel material at least containing, as alloy elements in a matrix, by mass %, at least 0.1% and at most 0.4% of C, at least 0.3% and at most 3.0% of Si, at least 0.2% and at most 2.0% of Mn, at most 0.03% of P, at most 0.03% of S, at least 0.3% and less tan 2.5% of Cr, at least 0.1% and less than 2.0% of Ni, at most 0.050% of Al, at most 0.003% of Ti, at most 0.0015% of O and at most 0.025% of N, and a remaining part of Fe and an unavoidable impurity, and the bearing component is prepared by performing carburizing carbo-nitriding process followed by quenching, and after quenching, tempering at a tempering temperature of at least 200° C. and at most 350° C., and surface hardness after tempering process is at least HRC57. Thus, an inexpensive heat resistant carburized rolling bearing component and manufacturing method thereof can be obtained, which realizes superior rolling fatigue life, wear resistance and dimensional stability under the environment involving foreign matters and high temperature.

摘要翻译： 耐热渗碳滚动轴承部件由钢材形成，所述钢材料至少含有基质中的合金元素，以质量％计至少0.1％和至多0.4％的C，至少0.3％和至多3.0％ Si，Mn的至少0.2％和至多2.0％，最多0.03％的P，至多0.03％的S，至少0.3％和更少的tan 2.5％的Cr，至少0.1％和小于2.0％的 Ni，Al：0.050以上，Ti：0.003％以下，O：0.0015％以下，N：0.025％以下，Fe：剩余部分，不可避免的杂质：0.008％以下，通过渗碳 碳氮化处理后淬火，淬火后回火温度至少为200℃，最高为350℃，回火处理后的表面硬度为HRC57以上。 因此，可以获得廉价的耐热渗碳滚动轴承部件及其制造方法，其在涉及异物和高温的环境下实现优异的滚动疲劳寿命，耐磨性和尺寸稳定性。

公开(公告)号：US06485027B1

公开(公告)日：2002-11-26

申请号：US09240106

申请日：1999-01-29

申请人： Olivier Carrie ,  Jean-Marc Staerck ,  Christophe Maerky ,  Olivier Laine

发明人： Olivier Carrie ,  Jean-Marc Staerck ,  Christophe Maerky ,  Olivier Laine

IPC分类号： C21D940

CPC分类号： C21D9/40 ,  C21D1/09 ,  C21D1/10 ,  Y02P10/253 ,  Y10T29/49297

摘要： A piston ring for use in a piston of an internal combustion engine comprises a base material of a first hardness formed into a ring, and a secondary material of a second hardness formed by selective and superficial heat treatment of an outer portion of the base material. At least one outer surface of the ring is selectively and superficially heat treated in one of a variety of ways to form an austenitic metal layer about 100 &mgr;m thick on the surface of the ring. The ring is then rapidly cooled in an appropriate environment, resulting in the transformation of the austenitic compound into a martensitic compound adjacent the base material at the point of heat treatment. Preferably, the martensitic metal has a hardness range of 800 to 1000 HV (Vickers Hardness scale) measured at a load of 100 grams.

摘要翻译： 用于内燃机的活塞的活塞环包括形成环的第一硬度的基材和通过基材的外部的选择性和表面热处理形成的第二硬度的二次材料。 环的至少一个外表面以各种方式之一进行选择性和表面热处理，以在环的表面上形成约100μm厚的奥氏体金属层。 然后在合适的环境中快速冷却环，导致奥氏体化合物在热处理点附近与基材相邻的马氏体化合物转化。 优选地，马氏体金属在100克的负荷下测量的硬度范围为800至1000HV（维氏硬度计）。

公开(公告)号：US06585834B1

公开(公告)日：2003-07-01

申请号：US09446728

申请日：2000-02-09

申请人： Hendrikus Jan Kapaan ,  Cornelis Noorlander ,  Jan Thure Slycke ,  Mats Johan Persson ,  Barbara Lynne Tozier

发明人： Hendrikus Jan Kapaan ,  Cornelis Noorlander ,  Jan Thure Slycke ,  Mats Johan Persson ,  Barbara Lynne Tozier

IPC分类号： C21D940

CPC分类号： F16C33/64 ,  C21D1/667 ,  C21D1/673 ,  C21D9/40 ,  C21D11/00 ,  Y10S148/906

摘要： A method of performing a heat treatment on steel rings, in particular for bearings, whereby the outer surface and inner surface of a preheated ring are exposed to different flows of a cooling medium such that the regions of the ring adjacent those surfaces are subjected to different cooling processes. The flow supply of the cooling medium is controlled in such a way that a desired internal stress pattern is obtained in the ring. The cooling medium includes of a combination of liquid and gas. An apparatus for performing a heat treatment on steel rings includes a support means for a ring to be treated; first and second supply means for supplying a spray or mist of a liquid, gas or combination thereof to the outer surface or inner surface of the ring, control means for controlling the supply of the spray or mist is also disclosed.

摘要翻译： 对钢环进行热处理的方法，特别是用于轴承的方法，其中预热环的外表面和内表面暴露于冷却介质的不同流动，使得邻近这些表面的环的区域受到不同的影响 冷却过程。 控制冷却介质的流量供应，使得在环中获得所需的内部应力模式。 冷却介质包括液体和气体的组合。 在钢环上进行热处理的装置包括用于待处理环的支撑装置; 还提供了用于将液体，气体或其组合的喷雾或雾气供应到环的外表面或内表面的第一和第二供应装置，还公开了用于控制喷雾或雾的供应的控制装置。

公开(公告)号：US06550122B1

公开(公告)日：2003-04-22

申请号：US09639805

申请日：2000-08-17

申请人： Hitoshi Imai ,  Hitoshi Karasawa ,  Katsuyuki Nakajima

发明人： Hitoshi Imai ,  Hitoshi Karasawa ,  Katsuyuki Nakajima

IPC分类号： C21D940

CPC分类号： B21D53/14 ,  B21B5/00 ,  B21D53/16 ,  C21D6/001 ,  C21D8/105 ,  C21D9/40 ,  C21D2261/00 ,  F16G5/16 ,  Y10T29/49798

摘要： A cylindrical drum is prepared by welding opposite ends of a thin sheet of maraging steel. A first solution treatment is effected on the cylindrical drum, and then the cylindrical drum is severed into a plurality of rings each having a predetermined width. After the rings are rolled, a second solution treatment is effected on the rings which have been rolled, and then the circumferential length of each of the rings is corrected. The rings are aged and nitrided, and then stacked into a laminated ring. The first solution treatment and the second solution treatment are effected using the same heating furnace in the same atmosphere in the same temperature range.

摘要翻译： 通过焊接薄片马氏体时效钢的相对端来制备圆柱形滚筒。 在圆柱形滚筒上进行第一种固溶处理，然后将圆柱形滚筒切割成多个具有预定宽度的环。 在轧制环之后，对被轧制的环进行第二次固溶处理，然后校正每个环的圆周长度。 将环老化并氮化，然后堆叠成层压环。 第一种溶液处理和第二种溶液处理是在相同的温度范围内，在相同的气氛中使用相同的加热炉进行的。