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

JP2014040907A Yokes for universal joint, manufacturing method of the same and universal joint 审中-公开
标题翻译：通用接头的制造方法及其通用接头的制造方法
公开(公告)号：JP2014040907A
公开(公告)日：2014-03-06
申请号：JP2013090299
申请日：2013-04-23
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA HIROYUKI , OKITA SHIGERU
IPC分类号： F16D3/26
摘要： PROBLEM TO BE SOLVED: To provide yokes for a universal joint in which the risk of incurring quenching cracks in manufacture is reduced, productivity is improved and cost is reduced, a manufacturing method thereof and a universal joint.SOLUTION: A steel material is molded substantially in an U shaped by hot hammering, and oil quenching and high-temperature annealing are performed on an obtained molding, thereby manufacturing yokes 7A, 7B for a universal joint. In oil quenching and high-temperature annealing, a cooling speed is controlled equal to or higher than 2.5°C/s and equal to or lower than 55°C/s, and a steel composition of the molding is a mixed composition of ferrite, fine pearlite, upper bainite, and lower bainite. The two yokes 7A, 7B for the universal joint are connected by a joint cross 8 so as to be pivoted each other, thereby obtaining a universal joint 6.
摘要翻译：要解决的问题：提供一种通用接头的轭，其中制造中引起淬火裂纹的风险降低，生产率提高并降低成本，其制造方法和万向接头。解决方案：钢材基本上模制通过热锤击形成U形，并对所得成型体进行油淬和高温退火，由此制造万向接头用轭7A，7B。在油淬火和高温退火中，将冷却速度控制在2.5℃/ s以上且55℃/ s以下，成型体的钢组合物是铁素体，细珠光体，上贝氏体和下贝氏体。用于万向接头的两个轭7A，7B通过接头十字8连接以便彼此枢转，从而获得万向接头6。

2. 发明专利

JP2011089649A Bearing for center bearing 有权
标题翻译：轴承用于中心轴承
公开(公告)号：JP2011089649A
公开(公告)日：2011-05-06
申请号：JP2011026455
申请日：2011-02-09
申请人： Nsk Ltd , 日本精工株式会社
发明人： AKIMOTO YASUHIRO , SAITO TAKESHI , UCHIDA HIROYUKI
IPC分类号： F16C27/06 , F16C19/06 , F16C33/32 , F16C33/58
摘要： PROBLEM TO BE SOLVED: To provide a bearing for a center bearing, in which rust and flaking are hardly caused.
SOLUTION: The center bearing 1 includes an inner ring 11, an outer ring 12, and a plurality of rolling elements 13 arranged between a raceway surface 11a of the inner ring 11 and a raceway surface 12a of the outer ring 12 to roll freely. At least one of the inner ring 11, the outer ring 12, and the rolling element 13 has a metallic film formed by tin, copper alloy and zinc or a thermoplastic resin or the like and having rust-preventive effect in at least a part of its surface. This metallic film is formed by shot peening.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供几乎不引起锈蚀和剥落的中心轴承的轴承。解决方案：中心轴承1包括内圈11，外圈12和布置在内圈11的滚道表面11a和外圈12的滚道表面12a之间的多个滚动元件13，以滚动自如。内环11，外圈12和滚动体13中的至少一个具有由锡，铜合金，锌或热塑性树脂等形成的金属膜，并且在至少一部分中具有防锈效果其表面。该金属膜由喷丸硬化形成。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2011021756A Rolling device 有权
标题翻译：滚动装置
公开(公告)号：JP2011021756A
公开(公告)日：2011-02-03
申请号：JP2010247397
申请日：2010-11-04
申请人： Nsk Ltd , 日本精工株式会社
发明人： FUJITA SHINJI , UCHIDA HIROYUKI , MURAKAMI YASUO , YATANI KOICHI , TAKAHASHI DAIKI
IPC分类号： F16C33/66 , F16C33/32 , F16C33/34 , F16C33/62
CPC分类号： F16C33/32 , F16C19/06 , F16C19/30 , F16C19/364 , F16C33/34 , F16C33/366 , F16C33/425 , F16C33/565 , F16C33/585 , F16C33/62 , F16C33/6696 , F16C2202/54 , F16C2204/34 , F16C2240/40 , F16C2240/44 , F16C2240/60 , F16C2360/00 , F16C2360/22 , F16C2362/52 , F16H25/20 , F16H2025/249 , Y10S384/907
摘要： PROBLEM TO BE SOLVED: To provide a rolling device with a long service life, hardly damaged by seizure, wear, or the like even if used under severe conditions such as high speed conditions, high load conditions, a high temperature environment or an insufficient lubricating environment. SOLUTION: A thrust needle roller bearing includes an inner ring 1, an outer ring 2 and rolling elements 3. At least one of the raceway surface 1a of the inner ring 1, the raceway surface 2a of the outer ring 2 and the rolling surface 3a of the rolling element 3 is coated, at an area ratio of 75-95%, with a lubricating coat by shot peening treatment of a solid lubricant. The thickness of the lubricating coat is preferably 0.5-3.0 μm. At least a portion coated with the lubricating coat out of the raceway surface 1a of the inner ring 1, the raceway surface 2a of the outer ring 2 and the rolling surface 3a of the rolling element 3 is formed with dimples with a depth of 0.1-5 μm. The average roughness Ra of the centerline of the surface of the lubricating coat is 1 μm or less. The solid lubricant is at least one of molybdenum disulfide, tin and copper. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种使用寿命长的滚动装置，即使在诸如高速条件，高负载条件，高温环境或高温环境的苛刻条件下使用也难以被卡住，磨损等损坏润滑环境不足。解决方案：推力滚针轴承包括内圈1，外圈2和滚动元件3.内圈1的滚道表面1a，外圈2的滚道表面2a和外圈2的至少一个滚动元件3的滚动面3a以75-95％的面积比用固体润滑剂的喷丸处理用润滑涂层涂覆。润滑涂层的厚度优选为0.5-3.0μm。在内圈1的滚道表面1a，外圈2的滚道表面2a和滚动元件3的滚动表面3a上至少涂覆有润滑涂层的部分形成有深度为0.1- 5μm。润滑涂层表面的中心线的平均粗糙度Ra为1μm以下。固体润滑剂是二硫化钼，锡和铜中的至少一种。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2009192070A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2009192070A
公开(公告)日：2009-08-27
申请号：JP2008036612
申请日：2008-02-18
申请人： Nsk Ltd , 日本精工株式会社
发明人： SAITO TAKESHI , UCHIDA HIROYUKI
IPC分类号： F16C33/64 , F16C19/06 , F16C33/32 , F16C33/38 , F16C33/58
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive and environment-friendly rolling bearing that is satisfactorily durable in an environment exposed to water and steam.
SOLUTION: An inner ring 1, an outer ring 2, rolling elements 3 and a cage 4 have on base material surfaces layers 1a to 4a formed of Zn as a metal baser than Fe by shot peening, and on the Zn layers 1a to 4a layers 1b to 4b formed of Sn as a metal nobler than Fe by shot peening.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供在暴露于水和蒸汽的环境中令人满意地耐用的廉价且环保的滚动轴承。解决方案：内圈1，外圈2，滚动元件3和保持架4在基材表面上具有由作为金属基的Zn形成的，比Fe通过喷丸硬化形成的层1a至4a，并且在Zn层1a 到由Sb形成的4a层1b至4b，其通过喷丸硬化作为比Fe高的金属。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2009113189A Polishing method for rolling slide device member, and rolling slide device member 审中-公开
标题翻译：用于滚动滑动装置构件的滚动方法和滚动装置构件
公开(公告)号：JP2009113189A
公开(公告)日：2009-05-28
申请号：JP2007292181
申请日：2007-11-09
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA HIROYUKI , SAITO TAKESHI
IPC分类号： B24C1/08 , B24C11/00 , F16C33/32 , F16C33/34 , F16C33/64 , F16H25/22
CPC分类号： B24C11/005 , F16C33/64
摘要： PROBLEM TO BE SOLVED: To provide a polishing method capable of making the surface of a polished object such as a rolling bearing component, a ball screw component, and a linear guide unit component a finished surface with a degree of brilliance of 20 or more.
SOLUTION: Polishing particles 2 are projected to the polished object at an angle of 90° or less when putting the finishing touches on the surface of the polished object by projecting the polishing particles 2 to the polished object. The polishing particles 2 is made of an elastic material such as a rubber and a thermoplastic elastomer, and finished polishing of the surface of the polished object is carried out by using the polishing particles 2 including abrasive particles 4 with No.2000 or above.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够使滚动轴承部件，滚珠丝杠部件和直线导向单元部件的抛光对象的表面成为光辉度为20的成品表面的抛光方法或者更多。解决方案：抛光颗粒2通过将抛光颗粒2投射到抛光对象来将抛光物体的表面进行最终接触时，以90°或更小的角度投射到抛光物体。抛光颗粒2由诸如橡胶和热塑性弹性体的弹性材料制成，并且通过使用包括具有2000或以上的磨料颗粒4的抛光颗粒2来进行抛光对象表面的抛光。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2009079238A Carburizing, nitriding or carbonitriding method 审中-公开
标题翻译：碳化，氮化或碳化方法
公开(公告)号：JP2009079238A
公开(公告)日：2009-04-16
申请号：JP2007247419
申请日：2007-09-25
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA HIROYUKI
IPC分类号： C23C8/66 , C21D1/06 , C21D7/06 , C21D9/40 , C23C8/62 , C23C8/76 , F16C33/32 , F16C33/34 , F16C33/64
摘要： PROBLEM TO BE SOLVED: To provide a carburizing, nitriding or carbonitriding method which spends a short period of time for heat treatment.
SOLUTION: This carburizing, nitriding or carbonitriding method includes the steps of: projecting a projection material composed of at least any of a carbide powder, a nitride powder and a carbonitride powder onto the surface of steel having been cut, in the state of having been heated to a high temperature of 500°C or higher with a shot-peening machine to embed the projection material into the surface of the steel; and subsequently quenching the steel. Thereby, carburizing, nitriding or carbonitriding characteristics equal to those obtained by carburizing, nitriding or carbonitriding treatment using a gas can be obtained in a shorter heating period of time than that of the treatment, and a rolling device having the long life can be manufactured at a low cost with high efficiency while saving energy.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：待解决的问题：提供花费短时间进行热处理的渗碳，氮化或碳氮共渗方法。该渗碳，氮化或碳氮共渗的方法包括以下步骤：在该状态下将由碳化物粉末，氮化物粉末和碳氮化物粉末中的至少一种组成的突起材料投射到已被切割的钢的表面上通过喷丸机将其加热至500℃以上的高温，将突起材料嵌入钢的表面; 并随后淬火钢。因此，可以在比处理更短的加热时间内获得与通过使用气体的渗碳，渗氮或碳氮共渗处理获得的渗碳，氮化或碳氮共渗特性相同的特性，并且可以制造具有长寿命的滚动装置低成本，高效率，同时节约能源。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2009024202A Rolling device 审中-公开
标题翻译：滚动装置
公开(公告)号：JP2009024202A
公开(公告)日：2009-02-05
申请号：JP2007186717
申请日：2007-07-18
申请人： Nsk Ltd , 日本精工株式会社
发明人： KONNO MASARU , UCHIDA HIROYUKI
IPC分类号： C23C28/00 , C23C22/18 , F16C33/34 , F16C33/64
CPC分类号： F16C33/366 , F16C19/385
摘要： PROBLEM TO BE SOLVED: To provide a film-coating treatment capable of giving excellent seizing resistance, and to provide a rolling device which hardly causes seizure. SOLUTION: A tapered roller bearing comprises an inner ring 1 having a raceway surface 1a on its outer circumferential surface, an outer ring 2 having a raceway surface 2a facing the raceway surface 1a on its inner circumferential surface, two rows of tapered rollers 3 arranged between the raceway surfaces 1a, 2a in a rolling manner, a holder 4 for holding the tapered rollers 3 between the inner ring 1 and the outer ring 2. A seizure-resistant film 5 is covered over the entire surface of the tapered rollers 3. The seizure-resistant film 5 is formed by performing the chemical conversion on the tapered rollers 3 by using a chemical conversion liquid wherein the manganese concentration is ≥3,000 ppm, covering a manganese phosphate film on the surface of the tapered rollers 3, and a low melting point metal film consisting of a metal with the melting point of ≤500°C is covered on the manganese phosphate film. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够提供优异的耐烧结性的薄膜包衣处理，并提供几乎不引起缉拿的滚动装置。解决方案：圆锥滚子轴承包括在其外圆周表面上具有滚道表面1a的内圈1，具有在其内圆周表面上面对滚道表面1a的滚道表面2a的外圈2，两排圆锥滚子以滚动方式布置在滚道表面1a，2a之间，保持器4用于将圆锥滚子3保持在内圈1和外圈2之间。防咬合膜5覆盖在圆锥滚子的整个表面上通过使用锰浓度≥3000ppm的化学转化液，在圆锥滚子3的表面上覆盖磷酸锰膜，对圆锥滚子3进行化学转化，形成防结块膜5，在磷酸锰膜上覆盖由熔点≤500℃的金属组成的低熔点金属膜。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008267403A Rolling device 审中-公开
标题翻译：滚动装置
公开(公告)号：JP2008267403A
公开(公告)日：2008-11-06
申请号：JP2007107251
申请日：2007-04-16
申请人： Nsk Ltd , 日本精工株式会社
发明人： UCHIDA HIROYUKI
IPC分类号： F16C33/64 , C21D7/06 , C21D9/40 , F16C33/62
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To provide a long-life rolling device hardly causing damage of a raceway surface. SOLUTION: At least one of the raceway surface 1a of the inner ring 1 of a conical rolling bearing and the raceway surface 2a of the outer ring 2 thereof is finished by projecting substantially spherical ceramic particles having an average particle diameter of 200 μm or smaller, surface roughness Ra is set to not less than 0.04 μm nor more than 0.25 μm, and surface residual stress is set to not less than -1400 MPa nor more than -900 MPa. After projecting the ceramic particles, solid carbon dioxide powder may be projected. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供几乎不会导致滚道表面损坏的长寿命滚动装置。解决方案：锥形滚动轴承的内圈1的滚道表面1a和外圈2的滚道表面2a中的至少一个通过投影平均粒径为200μm的基本上为球形的陶瓷颗粒而完成或更小的表面粗糙度Ra设定为不小于0.04μm，不大于0.25μm，并且表面残余应力设定为-1400MPa，也不大于-900MPa。在投影陶瓷颗粒之后，可以投影固体二氧化碳粉末。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008051188A Clutch device 审中-公开
标题翻译：离合器件
公开(公告)号：JP2008051188A
公开(公告)日：2008-03-06
申请号：JP2006227010
申请日：2006-08-23
申请人： Nsk Ltd , 日本精工株式会社
发明人： NISHIMURA NOBUHIKO , SAITO TAKESHI , UCHIDA HIROYUKI
IPC分类号： F16D23/14
摘要： PROBLEM TO BE SOLVED: To provide a clutch device capable of attaining the prevention of abnormal noise and the prevention of a clutch disconnection failure.
SOLUTION: The clutch device comprises a clutch release bearing 3 movable in the axial direction of a guide shaft 9a, a release fork 8 rocked to be engaged with a claw receiving part 3a of the clutch release bearing 3, and a release cylinder 20 engaged with the release fork 8 to rock the release fork 8. The release fork 8 includes a metal film formed by shot peening using a nonferrous shot material which is formed at a spherical recessed part 8a that is an engaging surface engaged with a pivot 30, a spherical recessed part 8b that is an engaging surface engaged with a push rod 21 of the release cylinder 20, and a fork claw 8c that is an engaging surface engaged with the claw receiving part 3a.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止异常噪音和防止离合器断开故障的离合器装置。解决方案：离合器装置包括可在引导轴9a的轴向方向上移动的离合器分离轴承3，摇动以与离合器分离轴承3的爪接收部3a接合的释放叉8和释放缸 20与释放叉8接合以摇动释放叉8.释放叉8包括通过使用有色射出材料通过喷丸硬化形成的金属膜，其形成在与枢轴30接合的接合表面的球形凹部8a处，作为与释放筒20的推杆21接合的卡合面的球形凹部8b和与爪接收部3a卡合的卡合面的叉爪8c。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2008051180A Hub unit bearing 审中-公开
标题翻译：集体单元轴承
公开(公告)号：JP2008051180A
公开(公告)日：2008-03-06
申请号：JP2006226628
申请日：2006-08-23
申请人： Nsk Ltd , 日本精工株式会社
发明人： SAKAGUCHI TAKASHI , TAKEHARA TORU , SAITO TAKESHI , UCHIDA HIROYUKI , WAKABAYASHI TATSUO
IPC分类号： F16C33/64 , B60B35/02 , B60B35/18 , F16C33/36 , F16C33/66
CPC分类号： F16C33/64 , F16C19/386 , F16C33/36 , F16C2326/02
摘要： PROBLEM TO BE SOLVED: To provide a hub unit bearing capable of reducing the sliding friction loss between a roller head and a major flange of a conical roller bearing.
SOLUTION: The hub unit bearing comprises an outer ring 3 having tapered raceway surfaces 7, 9, a first inner ring 15 and a second inner ring 31 having tapered outside raceway surfaces 17, 33, and forming roller engaging major flanges 25, 37 in a major diameter side end of the outside raceway surfaces 17, 33, and a plurality of conical rollers 19 freely turnably arranged between both the raceway surfaces. At least one of the roller engaging flanges 25, 37 and the head 19a of the conical roller 19 is covered with a metallic coating by shot peeling using a non-ferrous shot material.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够减小滚子头和圆锥滚子轴承的主凸缘之间的滑动摩擦损失的轮毂单元轴承。解决方案：轮毂单元轴承包括具有锥形轨道表面7,9的第一内环15和具有锥形外侧轨道表面17,33的第二内圈31和与主凸缘25形成的成形辊的外圈3， 37，在外侧滚道表面17,33的大直径侧端部中的多个锥形滚子19以及两个滚道表面之间可自由转动地布置的多个圆锥滚子19。滚珠接合凸缘25,37和锥形辊19的头部19a中的至少一个被金属涂层覆盖，通过使用有色金属喷射材料的剥离。版权所有（C）2008，JPO＆INPIT

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