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11. 发明申请

US20150167112A1 ROLLED WIRE ROD AND MANUFACTURING METHOD THEREOF 有权
标题翻译：卷线及其制造方法
公开(公告)号：US20150167112A1
公开(公告)日：2015-06-18
申请号：US14372168
申请日：2013-01-17
申请人： NIPPON STEEL & SUMITOMO METAL CORPORATION
发明人： Masashi Sakamoto , Junichi Kodama , Akira Nishida , Osamu Ooyama , Yuji Tomimasu , Kenichi Nakamura
IPC分类号： C21D9/36 , C21D9/52 , C22C38/32 , F16C33/34 , C22C38/04 , C22C38/02 , F16C33/32 , C21D8/06 , C22C38/22
CPC分类号： C21D9/36 , C21D8/06 , C21D8/065 , C21D9/525 , C21D2211/003 , C21D2211/009 , C22C38/02 , C22C38/04 , C22C38/18 , C22C38/22 , C22C38/32 , F16C33/32 , F16C33/34
摘要： A rolled wire rod includes, as a chemical component, by mass %, C: 0.95% to 1.10%, Si: 0.10% to 0.70%. Mn: 0.20% to 1.20%, and Cr: 0.90% to 1.60%, the balance consisting of Fe and unavoidable impurities, in which a metallographic structure of the rolled wire rod includes, by an area ratio, 90% to 100% of pearlite, 0% to 5% of proeutectoid cementite, and 0% to 10% of degenerate pearlite having granular cementite, an average size of a pearlite block of the pearlite is 1.0 μm to 15 μm, and a maximum size of the pearlite block is 1 to 4 times the average size.
摘要翻译：轧制线材以质量％计含有C：0.95％〜1.10％，Si：0.10％〜0.70％的化学成分。 Mn：0.20〜1.20％，Cr：0.90〜1.60％，余量由Fe和不可避免的杂质组成，其中轧制线材的金相组织包括90％-100％的珠光体的面积比，0％〜5％的先共析渗碳体，0〜10％的具有粒状渗碳体的退化珠光体，珠光体的珠光体块的平均粒径为1.0μm〜15μm，珠光体块的最大尺寸为1 至平均尺寸的4倍。

12. 发明授权

US08425690B2 Bearing part, heat treatment method thereof, and rolling bearing 有权
标题翻译：轴承部件，其热处理方法和滚动轴承
公开(公告)号：US08425690B2
公开(公告)日：2013-04-23
申请号：US11118385
申请日：2005-05-02
申请人： Chikara Ohki
发明人： Chikara Ohki
IPC分类号： C23C8/32
CPC分类号： F16C33/62 , C21D1/78 , C21D9/36 , C21D9/40 , C23C8/32 , C23C8/80 , F16C19/06 , F16C33/32 , F16C2240/90 , F16C2360/44
摘要： A bearing part comprising steel subjected to carbonitriding at a carbonitriding temperature exceeding the A1 transformation temperature, and cooled to a temperature lower than the A1 transformation temperature. The steel is reheated to a temperature for quenching that is not lower than the A1 transformation temperature but lower than the carbonitriding temperature, and then quenched.
摘要翻译：在碳氮共渗温度超过A1相变温度下进行碳氮共渗的钢的轴承部件，冷却至低于A1相变温度的温度。将钢再加热到不低于A1相变温度但低于碳氮共渗温度的淬火温度，然后淬火。

13. 发明授权

US08156651B2 Centrifugally cast external layer for rolling roll and method for manufacture thereof 有权
标题翻译：离心浇铸轧辊外层及其制造方法
公开(公告)号：US08156651B2
公开(公告)日：2012-04-17
申请号：US11575127
申请日：2005-09-13
申请人： Kiyoshi Furushima , Shunji Matsumoto , Ryota Honda , Kiyoshi Hayashi , Takashi Honda , Masatsugu Uchida
发明人： Kiyoshi Furushima , Shunji Matsumoto , Ryota Honda , Kiyoshi Hayashi , Takashi Honda , Masatsugu Uchida
IPC分类号： B21K1/02 , B22D13/02 , F16C13/00
CPC分类号： B22D13/023 , B21B27/00 , B22D19/16 , B32B15/011 , C21D9/36 , C21D9/38 , C22C37/00 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/30 , C22C38/36 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/52 , C22C38/56 , F16C13/00 , Y10T29/4956 , Y10T29/49563 , Y10T29/49989 , Y10T428/12493 , Y10T428/12806 , Y10T428/12812
摘要： A method for producing an outer layer for a roll having a structure having MC carbide dispersed at an area ratio of 20-60%, comprising the steps of (1) centrifugally casting a melt having a composition comprising, by mass, 2.2-6.0% of C, 0.1-3.5% of Si, 0.1-3.5% of Mn, and 8-22% of V, the balance being Fe and inevitable impurity elements, to produce a cylindrical body comprising an inner layer having concentration MC carbide, an MC-carbide-poor outer layer, and a concentration gradient layer between the inner layer and the outer layer, in which the area ratio of MC carbide changes, and (2) cutting the cylindrical body to a depth at which the area ratio of MC carbide is 20% or more.
摘要翻译：一种制造具有MC碳化物分布结构的辊的外层的方法，其面积比为20-60％，包括以下步骤：（1）离心铸造具有质量分数为2.2-6.0％的C，0.1-3.5％的Si，0.1-3.5％的Mn和8-22％的V，余量为Fe和不可避免的杂质元素，以产生包括具有浓度MC碳化物的内层的圆筒体，MC 碳化物不足的外层，以及MC层的面积比变化的内层与外层之间的浓度梯度层，（2）将圆筒体切割成MC碳化物的面积比的深度是20％以上。

14. 发明申请

US20110155290A1 CASE HARDENING STEEL, CARBURIZED COMPONENT, AND MANUFACTURING METHOD OF CASE HARDENING STEEL 有权
标题翻译：案例硬化钢，加固部件和硬化钢的制造方法
公开(公告)号：US20110155290A1
公开(公告)日：2011-06-30
申请号：US13061023
申请日：2010-01-13
申请人： Kei Miyanishi , Masayuki Hashimura , Shuuji Kozawa , Manabu Kubota , Tatsuro Ochi
发明人： Kei Miyanishi , Masayuki Hashimura , Shuuji Kozawa , Manabu Kubota , Tatsuro Ochi
IPC分类号： C21D9/52 , C22C38/18 , C22C38/08 , C22C38/00 , C23C22/78
CPC分类号： C22C38/02 , B21J1/02 , C21D1/32 , C21D1/58 , C21D6/002 , C21D8/0205 , C21D8/0226 , C21D8/0257 , C21D9/32 , C21D9/36 , C21D9/38 , C21D9/40 , C21D2211/004 , C21D2211/005 , C22C38/001 , C22C38/002 , C22C38/04 , C22C38/06 , C22C38/28 , F16C33/62
摘要： This case hardening steel has a chemical composition including, by mass %: C: 0.1 to 0.6%; Si: 0.02 to 1.5%; Mn: 0.3 to 1.8%; P: 0.025% or less; S: 0.001 to 0.15%; Al: over 0.05 to 1.0%; Ti: 0.05 to 0.2%; N: 0.01% or less; and O: 0.0025% or less, and further including, by mass %, one or more of Cr: 0.4 to 2.0%, Mo: 0.02 to 1.5%, Ni: 0.1 to 3.5%, V: 0.02 to 0.5%, and B: 0.0002 to 0.005%, and the balance consisting of iron and unavoidable impurities.
摘要翻译：该硬化钢的化学成分按质量％计含有：C：0.1〜0.6％ Si：0.02〜1.5％ Mn：0.3〜1.8％ P：0.025％以下; S：0.001〜0.15％ Al：0.05〜1.0％ Ti：0.05〜0.2％ N：0.01％以下和O：0.0025％以下，进一步包括Cr：0.4〜2.0％，Mo：0.02〜1.5％，Ni：0.1〜3.5％，V：0.02〜0.5％中的一种或多种，B：：0.0002〜0.005％，余量由铁和不可避免的杂质组成。

15. 发明申请

US20100239205A1 MECHANICAL COMPONENT AND ROLLING BEARING 有权
标题翻译：机械部件和滚动轴承
公开(公告)号：US20100239205A1
公开(公告)日：2010-09-23
申请号：US12744665
申请日：2008-11-21
申请人： Chikara Ohki , Kazuhiro Yagita , Takashi Ito , Hiroshi Morishita
发明人： Chikara Ohki , Kazuhiro Yagita , Takashi Ito , Hiroshi Morishita
IPC分类号： F16C33/58
CPC分类号： F16C33/32 , C21D1/06 , C21D1/09 , C21D1/78 , C21D6/04 , C21D9/36 , C21D9/40 , C21D2211/004 , C22C38/02 , C22C38/04 , C22C38/44 , C22C38/46 , C23C8/26 , C23C8/38 , F16C33/34 , F16C33/62 , F16C2204/64 , F16D3/224 , F16D2250/00 , F16D2300/10 , Y02T50/67 , Y10T74/1836
摘要： An outer ring, an inner ring and a ball serving as mechanical components configuring a deep groove ball bearing are formed of steel containing at least 0.77 mass % and not more than 0.85 mass % of carbon, at least 0.01 mass % and not more than 0.25 mass % of silicon, at least 0.01 mass % and not more than 0.35 mass % of manganese, at least 0.01 mass % and not more than 0.15 mass % of nickel, at least 3.75 mass % and not more than 4.25 mass % of chromium, at least 4 mass % and not more than 4.5 mass % of molybdenum and at least 0.9 mass % and not more than 1.1 mass % of vanadium with a remainder consisting of iron and impurity, and have raceway/rolling contact surfaces, the surface being included in a region having a nitrogen enriched layer having a nitrogen concentration of at least 0.05 mass %, the nitrogen enriched layer having a carbon concentration and the nitrogen concentration, in total, of at least 0.82 mass % and not more than 1.9 mass %.
摘要翻译：构成深沟球轴承的作为机械部件的外圈，内圈和球由含有至少0.77质量％且不大于0.85质量％的碳，至少0.01质量％且不大于0.25的钢形成至少0.01质量％且不超过0.35质量％的锰，镍的至少0.01质量％且不大于0.15质量％，铬的至少3.75质量％且不大于4.25质量％至少4质量％且不超过4.5质量％的钼和至少0.9质量％且不超过1.1质量％的余量由铁和杂质构成的钒，并且具有轨道/滚动接触表面，该表面包括在具有至少0.05质量％的氮浓度的氮富集层的区域中，具有碳浓度和氮浓度的富氮层总计为至少0.82质量％且不大于1.9质量％。

16. 发明授权

US07566373B2 Rolling member and producing method thereof 失效
标题翻译：滚动构件及其制造方法
公开(公告)号：US07566373B2
公开(公告)日：2009-07-28
申请号：US11134431
申请日：2005-05-23
申请人： Takemori Takayama
发明人： Takemori Takayama
IPC分类号： C21D1/10
CPC分类号： C22C38/22 , C21D1/10 , C21D9/30 , C21D9/32 , C21D9/36 , C21D2211/003 , C21D2211/005 , C21D2211/008 , C21D2221/10 , C22C38/02 , C22C38/04 , Y02P10/253
摘要： A rolling member excellent in pitting strength, spalling strength and bending strength of dedendum has a first quench hardened layer 1 which is formed on a surface layer of the rolling member and has a parent phase taking the form of martensite phase which forms a solid solution with carbon of 0.35 to 0.8 wt %, and a second quench hardened layer 2 which is formed at a deeper layer under the first quench hardened layer and has a parent phase containing at least either one of martensite phase or bainite phase which forms a solid solution with carbon of 0.07 to 0.3 wt % and contains cementite dispersed therein in a content of 2 to 20% by volume.
摘要翻译：具有良好的针刺强度，剥离强度和齿根弯曲强度的滚动件具有第一淬火硬化层1，该淬火硬化层1形成在滚动部件的表面层上，并且具有采取形成固溶体形式的马氏体相的母相，碳为0.35〜0.8重量％，第二淬火硬化层2形成在第一淬火硬化层下方的较深层，并且具有含有形成固溶体的马氏体相或贝氏体相中的至少一种的母相，碳为0.07〜0.3重量％，含有2〜20体积％的渗碳体。

17. 发明申请

US20080047632A1 Method for Thermally Treating a Component Consisting of a Fully Hardenable, Heat-Resistant Steel and a Component Consisting of Said Steel 审中-公开
标题翻译：用于热处理由完全硬化，耐热钢和由所述钢组成的组分的组分的热处理方法
公开(公告)号：US20080047632A1
公开(公告)日：2008-02-28
申请号：US11718941
申请日：2005-11-04
申请人： Werner Trojahn , Christian Schulte-Noelle , Franz-Josef Ebert
发明人： Werner Trojahn , Christian Schulte-Noelle , Franz-Josef Ebert
IPC分类号： C21D6/02 , C22C38/00 , C23C8/22 , C23C8/38
CPC分类号： C21D9/36 , C21D1/09 , C21D6/04 , C21D9/40 , C23C8/02 , C23C8/22 , C23C8/26 , C23C8/32 , C23C8/38
摘要： The aim of the method is to achieve a higher penetration depth of the diffusion element coupled with a greater depth of case hardening and a higher case hardening degree, whilst preventing an excessive enrichment of the case, thus obtaining an increased fatigue limit for the component. To achieve this, the full hardening of the component and the plasma-ion hardening of the case of the component are carried out in a common working step. The component is heated to a common hardening and diffusion temperature TH+D lying above the upper transformation temperature AC3, the component being held at the common hardening and diffusion temperature TH+D until the carbon in the component has fully austenitized and dissolved and until the case has been enriched to the desired degree by the diffusion element. The component is then quenched.
摘要翻译：该方法的目的是实现扩散元件的更高的穿透深度，同时具有更大的壳体硬化深度和更高的表面硬化度，同时防止壳体的过度富集，从而获得组件的疲劳极限增加。为了实现这一点，组分的情况下的组分的完全硬化和等离子体离子硬化在共同的工作步骤中进行。该组分被加热到高于上部转变温度A C3的普通的硬化和扩散温度T H + D +，该组分保持在常见的硬化和扩散温度T H + D，直到组分中的碳完全奥氏体化并溶解，直到通过扩散元件将壳体富集到期望的程度。然后将组分淬火。

18. 发明申请

US20020139454A1 Rolling bearing and method of making same 失效
标题翻译：滚动轴承及其制作方法
公开(公告)号：US20020139454A1
公开(公告)日：2002-10-03
申请号：US10046707
申请日：2002-01-17
申请人： HITACHI METALS, LTD.
发明人： Makoto Komori , Yasushi Tamura
IPC分类号： C22C038/18
CPC分类号： C22C38/22 , C21D1/18 , C21D6/04 , C21D9/36 , C21D9/40 , C22C38/001 , C22C38/18 , F16C33/32 , F16C33/62 , Y10S148/906 , Y10S384/912
摘要： There are provided a rolling bearing comprising an outer race, an inner race, and a plurality of rolling elements each interposed between the outer race and the inner race, at least one of the outer race, the inner race and the rolling elements being made of a steel consisting essentially, by mass, of 0.40 to 0.60% C, not more than 0.5% Si, not more than 0.5% Mn, not less than 8.0% but less than 10.0% Cr, and the balance Fe and incidental impurities, said steel having a hardness not less than 740 HV, carbides contained in said steel having a long size not more than 1.2 nullm, and an amount of said carbides being not more than 3.5% in area %, and a method of producing the rolling bearing.
摘要翻译：提供一种滚动轴承，其包括外圈，内圈和多个滚动元件，每个滚动元件插入在外圈和内圈之间，外圈，内圈和滚动元件中的至少一个由基本上以质量计，含有0.40至0.60％C，不超过0.5％的Si，不超过0.5％的Mn，不小于8.0％但小于10.0％的Cr，余量为Fe和附带的杂质，所述具有不低于740HV的硬度的钢，所述钢中含有的长度不大于1.2μm的碳化物，所述碳化物的含量不大于3.5％（面积％），以及制造滚动轴承的方法。

19. 发明授权

US06315455B1 Rolling bearing 失效
标题翻译：滚动轴承
公开(公告)号：US06315455B1
公开(公告)日：2001-11-13
申请号：US09541595
申请日：2000-04-03
申请人： Susumu Tanaka , Manabu Ohori
发明人： Susumu Tanaka , Manabu Ohori
IPC分类号： F16C3332
CPC分类号： F16C33/32 , C21D9/36 , C21D9/40 , F16C2206/58 , F16C2240/54 , F16C2240/60 , Y10S148/906
摘要： The rolling bearing according to the invention comprises a dense nitride layer formed on the surface layer of the rolling elements and optionally an optimum carbonitride layer formed on the races. In this arrangement, the deterioration of durability due to vibration or impact load during transportation can be prevented, not to mention improvement of stillness. Further, the deterioration of impact resistance required for hybrid bearing can be prevented. The release of pilot pressure and defective of acoustic properties due to electrostatic attraction of dust can be prevented. At the same time, the rolling element of the invention comprises a compound layer having an extremely high hardness formed uniformly, making it possible to finish to a high precision. Moreover, a great effect can be exerted of preventing the change of properties with time at high temperature or the deterioration of acoustic properties under other severe working conditions. A novel rolling bearing is provided comprising an outer race, an inner race and a plurality of rolling elements or comprising an outer race, a shaft and a plurality of rolling elements, characterized in that the rolling elements have a dense nitride layer on the finished surface thereof and the nitride layer comprises a compound layer having a hardness Hv of 900 or more and a diffusion-hardened layer.
摘要翻译：根据本发明的滚动轴承包括在滚动元件的表面层上形成的致密氮化物层，并且任选地在该种族上形成最佳的碳氮化物层。在这种布置中，可以防止由于运输过程中的振动或冲击载荷引起的耐久性的劣化，更不用说改善静止度。此外，可以防止混合轴承所需的耐冲击性的劣化。可以防止由于灰尘的静电吸引引起的先导压力和声学特性的缺陷。同时，本发明的滚动元件包括均匀地形成的具有极高硬度的复合层，从而可以高精度地完成。此外，可以发挥防止高温时的性能变化或其他恶劣工作条件下的声学特性劣化的巨大效果。提供一种新颖的滚动轴承，其包括外圈，内圈和多个滚动元件，或包括外圈，轴和多个滚动元件，其特征在于，滚动元件在精加工表面上具有致密的氮化物层并且氮化物层包括硬度Hv为900以上的化合物层和扩散硬化层。

20. 发明授权

US06309475B1 Rolling element and producing method 失效
标题翻译：滚动元件及其制作方法
公开(公告)号：US06309475B1
公开(公告)日：2001-10-30
申请号：US09237233
申请日：1999-01-26
申请人： Takemori Takayama , Chikara Nakao
发明人： Takemori Takayama , Chikara Nakao
IPC分类号： C23C822
CPC分类号： C23C8/80 , C21D1/78 , C21D9/32 , C21D9/36 , C21D2211/001 , C21D2211/003 , C21D2211/008 , C21D2221/10 , C23C8/00 , Y10S148/906 , Y10S384/912
摘要： For easily producing a toothed material for high-strength gears etc. with a plastic working technique, deformation resistance occurring in plastic working is reduced and stable high precision plastic working is enabled at lower temperatures. One or more types of heat treatment selected from carburization, carbonitriding and nitriding and a hardening process are applied to an alloy steel material containing: iron as a main component; at least 1.0 to 4.5 wt % Si; 0.35 wt % or less C; and balance Fe and unavoidable impurities, whereby a rolling element is obtained which has a surface layer mainly composed of martensite containing no &agr;-Fe phase and of residual austenite and an inner structure cooled from an (&agr;+&ggr;)-Fe two phase region.
摘要翻译：为了容易地用塑料加工技术生产用于高强度齿轮等的齿形材料，降低了在塑性加工中发生的变形阻力，并且在较低温度下能够实现稳定的高精度塑性加工。将选自渗碳，碳氮共渗，氮化和硬化处理的一种以上的热处理施加到以铁为主要成分的合金钢材料中，至少1.0〜4.5重量％的Si; 0.35重量％以下C; 并且平衡Fe和不可避免的杂质，由此获得具有主要由不含α-Fe相的马氏体和残余奥氏体组成的表面层和从（α+γ）-Fe两相区域冷却的内部结构的滚动元件。

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