专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2009068552A Fixed type constant velocity universal joint 审中-公开
标题翻译：固定式恒定速度通用接头
公开(公告)号：JP2009068552A
公开(公告)日：2009-04-02
申请号：JP2007235566
申请日：2007-09-11
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Ntn Corp , Ntn株式会社
发明人： UEI SEISHI , OMORI YASUHIRO , KIMURA HIDETO , YOSHIDA KAZUHIKO , MATSUBARA YUKIO , MORIMOTO HIROO
IPC分类号： F16D3/20
摘要： PROBLEM TO BE SOLVED: To provide a fixed type constant velocity universal joint for improving fatigue strength.
SOLUTION: This fixed type constant velocity universal joint is provided by combining an outside member 1 and an inside member 2. At least the outside member has a predetermined component composition. A plurality of times of processing are applied in a temperature area of 850-950°C, A base material structure of a mouse of the outside member is set to 15-30% in a bentonite phase area ratio by setting a cooling speed after processing to 0.5-5°C/s. Next, the outer surface side squeezing processing of getting to 20-30% in a plate thickness reduction ratio at an ordinary temperature is applied to the mouse. Then, high frequency quenching for setting to 0.3-0.5 in a ratio h/w of the effective hardening layer depth (h) of getting to Hv 500 or larger in hardness to the thickness (w) of a guide groove bottom over the whole surface of a mouse guide surface, setting to 0.6-0.8 in a ratio ht/hm of the effective hardening depth ht of a mouse tip to the maximum effective hardening depth hm of a high frequency quenching part of a mouse guide groove and setting to 10-13 in an average in a JIS grain size number of an old austenite grain in the high frequency quenching part is applied to the mouse guide groove 1b.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于提高疲劳强度的固定式等速万向接头。解决方案：该固定式等速万向接头通过组合外部构件1和内部构件2而提供。至少外部构件具有预定的组分组成。在850-950℃的温度区域中进行多次加工，通过设定处理后的冷却速度，将外部部件的鼠标的基材结构以膨润土相面积比设定为15〜30％至0.5-5℃/ s。接下来，将小鼠的外表面侧挤压加工在常压下的板厚减少率达到20-30％。然后，将高频淬火以与导向槽底部的整个表面的厚度（w）相比Hv500以上的有效硬化层深度（h）的比h / w设定为0.3〜0.5。的鼠标引导面的高频淬灭部的最大有效硬化深度hm的比例ht / hm设定为0.6〜0.8，并设定为10〜将高频淬火部中的老奥氏体晶粒的JIS晶粒尺寸数的平均值13应用于鼠标引导槽1b。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008196592A Power transmission shaft 审中-公开
标题翻译：动力传动轴
公开(公告)号：JP2008196592A
公开(公告)日：2008-08-28
申请号：JP2007032298
申请日：2007-02-13
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Ntn Corp , Ntn株式会社
发明人： MATSUBARA YUKIO , MORIMOTO HIROO , YOSHIDA KAZUHIKO , OMORI YASUHIRO , UEI SEISHI , TOYOOKA TAKAAKI
IPC分类号： F16D1/06 , C21D9/28 , C22C38/00 , C22C38/32 , F16C3/02
CPC分类号： F16D1/116 , C21D1/10 , C21D1/42 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/20 , C22C38/22 , C22C38/28 , C22C38/32 , F16C3/02 , F16D2001/103 , Y02P10/253
摘要： PROBLEM TO BE SOLVED: To enhance the fatigue strength of a material itself which forms a power transmission shaft besides enhancing the fatigue strength of a male spline portion by easing stress concentration of both tensile stress and shear stress in the male spline of a power transmission shaft. SOLUTION: A male spline portion Sm is formed in an outer periphery of a power transmission shaft. An enlarged diameter portion 21b gradually enlarging in the outer diameter toward the opposite shaft end side is arranged in a portion on the opposite shaft end side in a valley portion 21 of the male spline portion Sm. A sectionally arc-shaped rounded portion 21b1 is provided on both circumferential sides of the enlarged diameter portion 21b, and the curvature radius of the rounded portion 21b1 is gradually increased toward the opposite shaft end side. A material of the power transmission shaft is steel formed of predetermined components, wherein an average grain size of retained austenite in a surface layer of a hardened layer after induction hardening/annealing is 10 μm or smaller. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提高形成动力传递轴的材料本身的疲劳强度，除了通过在一个公共花键的外花键中减轻拉伸应力和剪切应力两者的应力集中来提高阳花键部的疲劳强度之外，动力传动轴。解决方案：在动力传递轴的外周形成有一个外花键部分Sm。在外花键部分Sm的谷部21中，在相对的轴端侧的一部分上配置有朝向相反的轴端侧向外径逐渐扩大的扩径部21b。在扩径部21b的两个周向侧设置有截面圆弧状的圆弧部21b1，并且圆形部21b1的曲率半径朝向相反的轴端侧逐渐增大。动力传递轴的材料是由预定部件形成的钢，其中，淬火/退火后的硬化层的表层中的残余奥氏体的平均粒径为10μm以下。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007197772A Transmission shaft superior in torsion fatigue characteristic and manufacturing method therefor 有权
标题翻译：变速器扭矩特性及其制造方法的传动轴
公开(公告)号：JP2007197772A
公开(公告)日：2007-08-09
申请号：JP2006017924
申请日：2006-01-26
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Ntn Corp , Ntn株式会社
发明人： IWAMOTO TAKASHI , TOMITA KUNIKAZU , KIMURA HIDETO , OMORI YASUHIRO , TOYOOKA TAKAAKI , YOSHIDA KAZUHIKO
IPC分类号： C22C38/00 , B21J5/00 , B21K1/14 , C21D1/10 , C21D8/06 , C21D9/28 , C22C38/06 , F16C3/02
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a transmission shaft superior in torsion fatigue characteristics, which has machinability equal to or more excellent than that made from a conventional Pb-added free-cutting steel without necessarily containing a component for free cutting such as Pb and without deteriorating cold and hot forgeability, and besides, uses a machine-structure carbon steel superior in properties after having been nitrided at least in a part. SOLUTION: The transmission shaft has a constant-velocity universal joint in one end of a stub shaft. The stub shaft is made from a steel material which contains a graphite phase in an amount of 5 mass% of the C content or more when the stub shaft is formed, and makes remaining graphite particles and holes originating from graphite, which exist in a surface layer part after the stub shaft has been induction-hardened and tempered, controlled into circle-equivalent diameters of 7 μm or smaller. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种扭转疲劳特性优异的传动轴，该传动轴的切削性等于或优于由常规的Pb添加自由切削钢制成的，而不必包含用于自由切削的部件，例如 Pb并且不劣化冷热锻造，此外，在至少部分被氮化后，使用性能优异的机械结构碳钢。
解决方案：传动轴在短轴的一端具有等速万向接头。短轴由钢材制成，该钢材含有当形成短截线轴时C含量以上5质量％以上的石墨相，并且由表面上存在的剩余石墨粒子和石墨构成的孔短截面轴已经感应淬火和回火，控制在7μm或更小的圆当量直径。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2007263319A Sliding type constant velocity universal joint 审中-公开
标题翻译：滑动型恒定速度通用接头
公开(公告)号：JP2007263319A
公开(公告)日：2007-10-11
申请号：JP2006092111
申请日：2006-03-29
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Ntn Corp , Ntn株式会社
发明人： UEI SEISHI , OMORI YASUHIRO , KIMURA HIDETO , TOYOOKA TAKAAKI , YOSHIDA KAZUHIKO , MATSUBARA YUKIO , MORIMOTO HIROO
IPC分类号： F16D3/20 , C21D1/10 , C21D8/00 , C21D9/40 , C22C38/00 , C22C38/16
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a sliding type constant velocity universal joint with improved fatigue strength. SOLUTION: In this sliding type constant velocity universal joint, at least an outside member 51 has a composition containing: C: 0.45-0.55 mass%, Si: 0.05 mass% or less, Mn: 0.55-0.65 mass%, P: 0.020 mass% or less, S: 0.002-0.015 mass%, Mo: 0.35-0.45 mass%, Al: 0.02-0.05 mass%, Cu: 1.0 mass% or less, Ti: 0.015-0.030 mass%, and B: 0.0015-0.0030 mass%, with the remainder being Fe and unavoidable impurities. By a plurality of processings in a temperature range of 650 to 730°C, a base material composition on the outer peripheral side of a mouth part of the outside member 51 contains a bainite phase area ratio of 15-30%, and a recrystallized ferrite composition fraction of 10% or less. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有改善的疲劳强度的滑动式等速万向节。解决方案：在该滑动式等速万向接头中，至少外部构件51具有以下组成：C：0.45〜0.55质量％，Si：0.05质量％以下，Mn：0.55〜0.65质量％，P ：0.020质量％以下，S：0.002〜0.015质量％，Mo：0.35〜0.45质量％，Al：0.02〜0.05质量％，Cu：1.0质量％以下，Ti：0.015〜0.030质量％，B： 0.0015-0.0030质量％，其余为Fe和不可避免的杂质。通过在650〜730℃的温度范围内的多个处理，外部构件51的口部的外周侧的基材成分含有贝氏体相面积比率为15〜30％，再结晶铁素体组成分数为10％以下。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007197771A Constant-velocity universal joint excellent in rolling fatigue characteristic, and manufacturing method therefor 有权
标题翻译：恒定速度通用联轴器在滚动疲劳特性方面优于其制造方法
公开(公告)号：JP2007197771A
公开(公告)日：2007-08-09
申请号：JP2006017826
申请日：2006-01-26
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Ntn Corp , Ntn株式会社
发明人： IWAMOTO TAKASHI , TOMITA KUNIKAZU , KIMURA HIDETO , OMORI YASUHIRO , TOYOOKA TAKAAKI , YOSHIDA KAZUHIKO
IPC分类号： C22C38/00 , C21D1/10 , C21D6/00 , C21D8/00 , C21D9/40 , C22C38/06 , F16D3/205 , F16D3/2237
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a constant-velocity universal joint excellent in rolling fatigue characteristics, which has machinability equal to or more excellent than that made from a conventional Pb-added free-cutting steel without necessarily containing a free-cutting constituent such as Pb and without deteriorating cold and hot forgeability, and besides, uses a machine-structure carbon steel superior in properties after having been nitrided at least in a part.
SOLUTION: The constant-velocity universal joint is provided with an outer member having a plurality of guide grooves in an inner circumference, an inner member having a plurality of guide grooves in an outer circumference, torque transmission balls arranged in a plurality of ball tracks respectively which are formed in the guide grooves of the outer member and the inner member, and a holder for holding these torque transmission balls. The outer member and the inner member are made from a steel material which contains a graphite phase in an amount of 5 mass% of the C content or more when the members are formed, and make remaining graphite particles and holes originating from graphite, which exist in an surface layer part after the members have been induction-hardened and tempered, controlled into circle-equivalent diameters of 7 μm or smaller.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有优异的轧制疲劳特性的等速万向接头，其切削性等于或优于常规的Pb添加自由切削钢制成的，而不必包含自由切削 Pb等成分，没有劣化的热和热锻造性，而且至少在一部分被氮化后，使用性能优异的机械结构碳钢。解决方案：等速万向接头设置有在内周具有多个引导槽的外部构件，在外周具有多个引导槽的内部构件，设置在多个引导槽中的扭矩传递滚珠球形轨道分别形成在外部构件和内部构件的引导槽中，以及保持器，用于保持这些扭矩传递球。外部构件和内部构件由形成有构件的C含量以上的5质量％以上的石墨相的钢材制成，并且使剩余的石墨颗粒和源自石墨的空穴存在在构件被感应硬化和回火之后的表面层部分中，被控制为7μm或更小的圆当量直径。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2008144226A Constant-velocity universal joint excellent in rolling fatigue characteristic, and its manufacturing method 审中-公开
标题翻译：恒定速度通用联轴器在滚动疲劳特性中的优势及其制造方法
公开(公告)号：JP2008144226A
公开(公告)日：2008-06-26
申请号：JP2006332224
申请日：2006-12-08
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Ntn Corp , Ntn株式会社
发明人： OMORI YASUHIRO , TOYOOKA TAKAAKI , IWAMOTO TAKASHI , KIMURA HIDETO , YOSHIDA KAZUHIKO
IPC分类号： C22C38/00 , C21D8/06 , C21D9/40 , C22C38/06 , F16D3/20 , F16D3/205 , F16D3/227
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To provide a constant-velocity universal joint excellent in rolling fatigue which uses a carbon steel for a machine structure having excellent machinability equal to or above that of the conventional Pb-added free cutting steel and further having excellent characteristics after nitriding. SOLUTION: In the constant-velocity universal joint provided with: an outer member 1 having a plurality of guide grooves in an inner circumference; an inner member 2 having a plurality of guide grooves in an outer circumference; torque transmission balls 3; and a holder 4, the outer member and the inner member are made from a steel which contains a graphite phase in an amount of 5% of the C content or more when the members are formed, and make remaining graphite particles and holes originating from graphite, which exist in a surface layer part after the members have been induction-hardened and tempered, controlled into circle-equivalent diameters of 7 μm or smaller. Further, the structure after the induction hardening and tempering is formed of a mixture of a martensite mother phase and either or both of a graphite phase and the holes originating from graphite, and the circumference of the graphite phase or holes originating from graphite is provided with a martensite phase having a C concentration higher than that in the martensite mother phase. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种使用碳钢作为机械结构优良的等速万向接头，其具有优良的机械加工性能等于或高于常规的无铅铅切割钢，并且还具有优异的氮化后的特点。解决方案：在等速万向接头中设置有：外部构件1，其在内周具有多个引导槽; 内部构件2，其在外周具有多个引导槽; 转矩传递球3; 和保持器4，外部构件和内部构件由形成有构件的C含量以上5％以上的石墨相的钢制成，并且形成剩余的石墨粒子和源自石墨的孔在构件被感应硬化和回火之后存在于表层部分中，被控制为7μm或更小的圆当量直径。此外，感应淬火和回火之后的结构由马氏体母相和石墨相和石墨中的一个或两个的混合物形成，并且石墨相的周围或源自石墨的孔被设置有具有比马氏体母相高的C浓度的马氏体相。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2007177275A Power transmission shaft for constant-velocity universal joint 审中-公开
标题翻译：用于恒速通用接头的动力传动轴
公开(公告)号：JP2007177275A
公开(公告)日：2007-07-12
申请号：JP2005375472
申请日：2005-12-27
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Ntn Corp , Ntn株式会社
发明人： OMORI YASUHIRO , KIMURA HIDETO , TOYOOKA TAKAAKI , YOSHIDA KAZUHIKO , MORIMOTO HIROO
IPC分类号： C22C38/00 , C21D1/18 , C21D9/28 , C22C38/32 , F16D3/20
CPC分类号： C21D9/28 , C21D1/25 , C21D1/42 , C21D2211/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/16 , F16D2001/103 , Y02P10/253
摘要： PROBLEM TO BE SOLVED: To stably provide a power transmission shaft which has all of high static-torsional strength, high torsional-fatigue strength and excellent hardening-cracking resistance. SOLUTION: The power transmission shaft for the constant-velocity universal joint, which has a groove for torque transmission in both ends thereof, has a composition comprising 0.40-0.50 mass% C, 0.35-0.8 mass% Si, 0.5-0.8 mass% Mn, 0.005-0.05 mass% Al, 0.005-0.05 mass% Ti, 0.3-0.5 mass% Mo, 0.0005-0.005 mass% B, 0.05-0.5 mass% Cu, 0.005-0.025 mass% S, 0.02 mass% or less P, 0.2 mass% or less Cr and the balance Fe with unavoidable impurities; has a metallurgical structure of the base metal including a bainitic structure of 50% or higher by structure fraction; has a quench-hardened layer after having been induction hardened, of which the surface layer includes a retained austenite with an average particle diameter of 10 μm or smaller; and has an effective depth of the quench-hardened layer, of which the ratio to a shaft radius, in other words, a quench-hardened layer ratio is 0.5 to 0.75 in the groove part and is 1.0 in the region except the groove part. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了稳定地提供具有高静态抗扭强度，高扭转疲劳强度和优异的耐硬化开裂性的动力传递轴。解决方案：用于在其两端具有扭矩传递用槽的等速万向接头的动力传递轴具有包含0.40-0.50质量％C，0.35-0.8质量％Si，0.5-0.8的组成质量％Mn，0.005-0.05质量％Al，0.005-0.05质量％Ti，0.3-0.5质量％Mo，0.0005-0.005质量％B，0.05-0.5质量％Cu，0.005-0.025质量％S，0.02质量％或较少的P，0.2质量％以下的Cr和余量的Fe与不可避免的杂质; 具有基体金属的冶金结构，其包含结构分数为50％以上的贝氏体组织; 在感应淬火后具有淬火硬化层，其表面层包括平均粒径为10μm以下的残留奥氏体; 并且具有淬火硬化层的有效深度，其中轴半径的比率，换句话说，淬火层的比率在槽部分中为0.5至0.75，并且在凹槽部分之外的区域中为1.0。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2008144270A Non-heat-treated steel for machine structure excellent in fatigue property and toughness, its manufacturing method, component for machine structure, and its manufacturing method 审中-公开
标题翻译：用于机械结构优化的非热处理钢，其疲劳性能和韧性，其制造方法，机械结构部件及其制造方法
公开(公告)号：JP2008144270A
公开(公告)日：2008-06-26
申请号：JP2007293723
申请日：2007-11-12
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KUROSAWA NOBUTAKA , OMORI YASUHIRO , HAYASHI TORU , MARUTA KEIICHI , KIMURA HIDETO , TOYOOKA TAKAAKI
IPC分类号： C22C38/00 , C21D8/06 , C21D9/32 , C22C38/14 , C22C38/60 , F16H55/26
摘要： PROBLEM TO BE SOLVED: To provide a non-heat-treated steel for a machine structure that exhibits an excellent toughness even in a non-heat-treated state, and a favorable manufacturing method thereof.
SOLUTION: The non-heat-treated steel for the machine structure contains 0.35-0.6 mass% C, 1.1 mass% or less Si, 2.0 mass% or less Mn, 0.0005-0.01 mass% B, 0.1 mass% or less Ti, and one or two elements of 1.0 mass% or less Mo and 2.0 mass% or less W, and the balance being Fe and unavoidable impurities, wherein precipitates of B is less than 0.0005 mass%, the hardness is HRC18-32, and the yield ratio is over 0.7.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供即使在非热处理状态下也显示优异韧性的机器结构的非热处理钢及其良好的制造方法。解决方案：用于机器结构的非热处理钢包含C：0.35〜0.6质量％，Si：1.1质量％以下，Si：2.0质量％以下，Mn：0.0005〜0.01质量％，B：0.1质量％以下 Ti和1.0质量％以下的Mo和2.0质量％以下的一种或两种元素，余量为Fe和不可避免的杂质，其中B的析出物小于0.0005质量％，硬度为HRC18-32，和收益率超过0.7。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2006028599A Component for machine structure 审中-公开
标题翻译：机械结构部件
公开(公告)号：JP2006028599A
公开(公告)日：2006-02-02
申请号：JP2004210450
申请日：2004-07-16
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MATSUZAKI AKIHIRO , KUROSAWA NOBUTAKA , HAYASHI TORU , OMORI YASUHIRO , TOYOOKA TAKAAKI
IPC分类号： C22C38/00 , C21D8/06 , C21D9/30 , C22C38/06 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a component for a machine structure whose fatigue strength is improved compared with that of the conventional one.
SOLUTION: Regarding the component for a machine structure in which at least a part comprises a hardened layer by induction hardening, the relation between the average grain size GS (μm) of old austenite grains in the hardened layer and the stress concentration coefficient α in the part subjected to the induction hardening satisfies the inequality GS≤11-2×α (wherein, α≥1.5).
COPYRIGHT: (C)2006,JPO&NCIPI

10. 发明专利

JP2006028598A Steel and steel product having excellent machinability and fatigue property and method for producing them 有权
标题翻译：具有优异机械性能和疲劳性能的钢铁产品及其生产方法
公开(公告)号：JP2006028598A
公开(公告)日：2006-02-02
申请号：JP2004210398
申请日：2004-07-16
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MATSUZAKI AKIHIRO , HAYASHI TORU , OMORI YASUHIRO , TOYOOKA TAKAAKI , KUROSAWA NOBUTAKA , YAMADA KATSUMI
IPC分类号： C22C38/00 , C21D8/00 , C21D9/28 , C22C38/22 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a steel having satisfactory machinability while securing its fatigue strength, and to provide a steel having further improved fatigue strength actually by induction hardening.
SOLUTION: The steel has a composition comprising by mass% that C: 0.3 to 0.7%, Si: 1.1% or less, Mn: 0.2 to 1.1%, Mo: 0.05 to 0.6%, S: 0.06% or less, P: 0.025% or less, Al: 0.25% or less, Cr: 0.3% or less and the balance Fe and inevitable impurities, has a base material structure of ferrite structure and a pearlite structure, wherein the structural fraction of the sum of the ferrite structure and the pearlite structure accounts for 90 volume% or more, and the ferrite structure has the maximum thickness of 30 μm or less.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在确保其疲劳强度的同时具有令人满意的机械加工性的钢，并且通过感应淬火提供具有进一步提高的疲劳强度的钢。钢的组成按质量％计含有C：0.3〜0.7％，Si：1.1％以下，Mn：0.2〜1.1％，Mo：0.05〜0.6％，S：0.06％以下， P：0.025％以下，Al：0.25％以下，Cr：0.3％以下，余量为Fe和不可避免的杂质，具有铁素体结构的基体结构和珠光体组织，其中，铁素体结构和珠光体组织占90体积％以上，铁素体组织的最大厚度为30μm以下。版权所有（C）2006，JPO＆NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式