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1. 发明专利

JP2007182907A Ball screw device 审中-公开
标题翻译：球螺丝装置
公开(公告)号：JP2007182907A
公开(公告)日：2007-07-19
申请号：JP2005380570
申请日：2005-12-29
申请人： Nsk Ltd , 日本精工株式会社
发明人： KUROIWA DAISUKE , NOBUTOMO MASAHIRO , MIYAGUCHI KAZUO
IPC分类号： F16H25/22 , F16F15/02 , F16H25/24
摘要： PROBLEM TO BE SOLVED: To provide a ball screw device which suppresses the production of vibration and noise due to floating-up of a return tube.
SOLUTION: In the ball screw device, a return tube 17 for returning to a ball load rolling passage 16 a ball 15 rolling on the load rolling passage 16, is fixed onto the plane part 12a formed on the outer peripheral surface of a ball screw nut 12 by a return tube presser 18 and a tube pressure fixing screw 19. A reinforcing rib 24 is provided to the surface part of the return tube presser 18 on an opposite side of the return tube 17.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种滚珠丝杠装置，其抑制由于返回管的浮起而引起的振动和噪音的产生。＆lt; P＆gt;解决方案：在滚珠丝杠装置中，将返回管17返回到在负载滚动通道16上滚动的滚珠15的滚珠负载滚动通道16，固定到形成在负载滚动通道16的外周面上的平面部12a上滚珠丝杠螺母12由返回管按压器18和管压力固定螺钉19组成。加强肋24设置在返回管按压器18的与返回管17相反的一侧的表面部分。 C）2007，JPO＆INPIT

2. 发明专利

JP2000212721A ROLLING MEMBER EXCELLENT IN WEAR RESISTANCE 失效
公开(公告)号：JP2000212721A
公开(公告)日：2000-08-02
申请号：JP12894099
申请日：1999-05-10
申请人： NSK LTD
发明人： YAMAMURA KENJI , OHORI MANABU , MIYAGUCHI KAZUO
IPC分类号： F16H25/22 , C22C38/00 , C22C38/46 , C23C8/32 , F16C29/00 , F16C33/30 , F16C33/32 , F16C33/34 , F16C33/62
摘要： PROBLEM TO BE SOLVED: To provide a rolling member in which deterioration in rolling fatigue characteristics and wear characteristics caused by the harshening of using conditions of bearings, ball screw apparatus or the like is prevented and excellent in wear resistance. SOLUTION: At least one of a rolling member in a rolling bearing or a ball screw apparatus is formed of alloy steel contg., by weight, 0.1 to 0.7% C, 0.1 to 1.5% Si, 0.1 to 1.5% Mn, 0.5 to 3.0% Cr, 0.6 to 2.0% V, =920 deg.C to control the concn. of carbon to 0.7 to 1.3 wt.% and the concn. of nitrogen to 0.15 to 0.3 wt.% in the surface of a perfect article, by which, on the surface, carbides, nitrides and carbonitrides of

3. 发明专利

JP2010169114A Ball screw 有权
标题翻译：球杆螺丝
公开(公告)号：JP2010169114A
公开(公告)日：2010-08-05
申请号：JP2009009951
申请日：2009-01-20
申请人： Nsk Ltd , 日本精工株式会社
发明人： JO UEI , MIYAGUCHI KAZUO , YABE SHIROJI , NAMIMATSU TAKESHI , ISHIKAWA AKIHIKO
IPC分类号： F16H25/24 , F16H25/22
摘要： PROBLEM TO BE SOLVED: To provide a ball screw usable in clean environment while securing good lubricating performance.
SOLUTION: In a recessed portion 11 of a nut 1, an annular spacer 4, a con-contact seal 5, an annular spacer 4 and a non-contact seal 5 are arranged sequentially from the axial inside. These are fixed to an end face 11a of the recessed portion 11 with bolts 7. Thus, a space 81 encircled by the adjacent non-contact seal 5 and spacer 4, and a screw shaft 2, and a space 82 encircled by the inside non-contact seal 5 and spacer 4, and the end face (the nut end face) 11a of the recessed portion 11 are formed to serve as grease reservoir spaces.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供可在清洁环境中使用的滚珠丝杠，同时确保良好的润滑性能。解决方案：在螺母1的凹部11中，从轴向内侧依次布置环形间隔件4，连接密封件5，环形间隔件4和非接触式密封件5。它们用螺栓7固定在凹部11的端面11a上。因此，由相邻的非接触式密封件5和间隔件4以及螺纹轴2包围的空间81和由内部非接触式密封件 - 接触密封件5和间隔件4，并且凹部11的端面（螺母端面）11a形成为用作油脂储存空间。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2006342905A CARRYING DEVICE 审中-公开
公开(公告)号：JP2006342905A
公开(公告)日：2006-12-21
申请号：JP2005169754
申请日：2005-06-09
申请人： NSK LTD
发明人： KUROIWA DAISUKE , MIYAGUCHI KAZUO , KUBOTA NOBUO , ARISUMI HIROAKI
IPC分类号： F16C29/06 , F16C25/06 , F16F15/02 , F16H25/22 , F16H25/24
摘要： PROBLEM TO BE SOLVED: To provide a carrying device whose vibration, particularly, resonance is suitably suppressed. SOLUTION: A monocarrier 10 (the carrying device) comprises a base 20 having a rolling element rolling groove 25 extending along one axial direction of carrying an object, a plurality of movable members 40 provided slidably to one side and to the other side of the rolling element rolling groove 25 of the base 20 in one axial direction, a screw shaft 30 provided along one axial direction for driving the plurality of movable members 40 in one axial direction, and an intermediate supporter 1 (a vibration suppressing means) for supporting the screw shaft 30 on the base 20 while permitting the turn thereof on the midway of the screw shaft 30 between the plurality of movable members 40. COPYRIGHT: (C)2007,JPO&INPIT

5. 发明专利

JP2006329433A Ball screw device and linear motion device 审中-公开
标题翻译：球螺丝装置和线性运动装置
公开(公告)号：JP2006329433A
公开(公告)日：2006-12-07
申请号：JP2006245780
申请日：2006-09-11
申请人： Nsk Ltd , 日本精工株式会社
发明人： MIYAGUCHI KAZUO , OKUBO TSUTOMU , NAKAZAWA KENJI , YABE SHIROJI , KATO SOICHIRO , TAKAHASHI NOBUMITSU , SATO RYOICHI , YAMAGUCHI HIROKI , MIZUMURA YOSHINORI
IPC分类号： F16H25/22
CPC分类号： F16H25/2238
摘要： PROBLEM TO BE SOLVED: To prevent reduction of load capacity and rigidity even when arranging a spacer between load balls and improve circulation property of the spacer by reducing friction of the load ball and the spacer greatly. SOLUTION: The spacer 10 having two recessed faces 11, 11 facing the balls 5, respectively, is arranged between adjacent balls 5, and cross section of each recessed face 11 of the spacer 10 is formed by two circular arcs having the Gothic arch shape whose central positions X, X are deviated from each other. The spacer 10 has such shape that is in contact with the adjacent balls 35 in an outer fringe part or in the vicinity of outer fringe. Furthermore, the spacer 39 has such shape that is in contact with the adjacent balls 35 in at least three outer fringe parts or in the vicinity of outer fringe. Furthermore, the spacer 39 has a through hole 41 in a section where its wall thickness is the smallest. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止负载能力和刚度的降低，即使在负载球之间布置间隔物并且通过减少负载球和间隔件的摩擦力而大大改善间隔件的循环性能。解决方案：具有分别面对球5的两个凹面11,11的间隔件10被布置在相邻球5之间，并且间隔件10的每个凹面11的横截面由具有哥特式的两个圆弧形成其中心位置X，X彼此偏离的拱形。间隔件10具有与外边缘部分或外边缘附近的相邻滚珠35接触的形状。此外，间隔件39具有在至少三个外边缘部分或外边缘附近与相邻的滚珠35接触的形状。此外，间隔件39在其壁厚最小的部分具有通孔41。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2005207451A Linear motion device 审中-公开
标题翻译：线性运动装置
公开(公告)号：JP2005207451A
公开(公告)日：2005-08-04
申请号：JP2004012156
申请日：2004-01-20
申请人： Nsk Ltd , Nsk Precision Co Ltd , Nskプレシジョン株式会社 , 日本精工株式会社
发明人： HAYASHI EIJI , MIYAGUCHI KAZUO
IPC分类号： F16H25/22
摘要： PROBLEM TO BE SOLVED: To provide a linear motion device equipped with an enhanced load ability and load capacity and having a long lifetime.
SOLUTION: The linear motion device is formed in the shaft guide type such as a ball screw structured so that a plurality of balls 2 are installed in ball grooves 11a, 12a, (41a, 42a) in such a way as capable of rolling under guidance, or the rail guide type such a linear guide, wherein the ball groove is formed in a double gothic arc shape, and the arc groove is arranged in eight-point contacting and has two contact angles. This allows receiving the load with the contact angle directed nearer the direction of external load, and the load ability of the balls can be extracted fully to enable enhancement of the load ability. Increase of the points of receiving the load will decrease the stress between the ball and groove, which decreases the burden on the balls to lead to enhancement of the load capacity.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有增强的负载能力和负载能力并具有长寿命的线性运动装置。解决方案：直线运动装置形成为诸如滚珠丝杠的轴导向型，使得多个滚珠2以能够容纳的方式安装在滚珠槽11a，12a，（41a，42a）中，或导轨式导轨，这种直线导轨，其中球槽形成为双哥特弧形，弧槽布置成八点接触并具有两个接触角。这允许以更接近外部负载方向的接触角接收负载，并且可以完全提取球的负载能力，以增强负载能力。接收负载点的增加将减小球和凹槽之间的应力，这降低了球的负担，导致负载能力的提高。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2000230616A BALL SCREW 失效
公开(公告)号：JP2000230616A
公开(公告)日：2000-08-22
申请号：JP3298299
申请日：1999-02-10
申请人： NSK LTD
发明人： YAMAZAKI MASAHIKO , MARUYAMA DAISUKE , MIYAGUCHI KAZUO , YOKOUCHI ATSUSHI , NAKA MICHIHARU
IPC分类号： C10M135/18 , C10M139/00 , C10N40/02 , F16H25/22 , F16H25/24
摘要： PROBLEM TO BE SOLVED: To extend the lubricating life by lubricating a ball screw with a grease to which at least one compound selected from organic nickel compound and organic tellurium compound is blended. SOLUTION: This ball screw is lubricated with a grease based on mineral oil, synthetic oil, or mixed oil to which at least one compound selected from organic nickel compound and organic tellurium compound with nickel or tellurium as metal source using a metal salt compound, coordination compound, additive compound, alkyl metal compound, metal acid ester, and metal alkoxide compound of an organic acid as organic carboxylic acid compound, organic sulfur acid compound or organic phosphoric acid is blended. According to this, since the grease feeding interval can be extended without damaging the ball screw raceway, the lubricating life can be extended.

8. 发明专利

JP2000120825A BALL SCREW MECHANISM AND LINEAR MOTION DEVICE 失效
公开(公告)号：JP2000120825A
公开(公告)日：2000-04-28
申请号：JP2654499
申请日：1999-02-03
申请人： NSK LTD
发明人： MIYAGUCHI KAZUO , OKUBO TSUTOMU , NAKAZAWA KENJI , YABE SHIROJI , KATO SOICHIRO , TAKAHASHI NOBUMITSU , SATO RYOICHI , YAMAGUCHI HIROKI , MIZUMURA YOSHINORI
IPC分类号： F16C19/20 , F16C29/06 , F16C33/37 , F16H25/22
摘要： PROBLEM TO BE SOLVED: To improve the circulation property of the spacer by bringing no reduction of a load capacity and rigidity, even if a spacer is arranged between load balls and minifying the friction between the load ball and spacer extremely. SOLUTION: A spacer 10 having two recessed surfaces 11, 11 facing to the balls 5 respectively is arranged between adjacent balls 5. The section of respective recessed surfaces 11 of this spacer 10 is formed by Gothic arch shape two arcs whose center positions (X, Y) are shifted mutually. The spacer 10 has a shape contacted to the adjacent balls at its outer edge or near outer edge. Further, the spacer has a shape contacted to adjacent balls at least three or more outer edges or near outer edges. Further, the spacer has a through hole on the place whose thickness is thinnest.

9. 发明专利

JP2010107017A Vibration control device and assembling structure thereof 有权
标题翻译：振动控制装置及其结构
公开(公告)号：JP2010107017A
公开(公告)日：2010-05-13
申请号：JP2008282301
申请日：2008-10-31
申请人： Nsk Ltd , Shimizu Corp , 日本精工株式会社 , 清水建設株式会社
发明人： SAKURAI YUICHI , MIYAGUCHI KAZUO , ISODA KAZUHIKO
IPC分类号： F16F15/02
摘要： PROBLEM TO BE SOLVED: To reduce the size of a vibration control device by distributing a bearing force acting on the vibration control device having a ball screw part and by reducing the outside diameter of a screw shaft.
SOLUTION: The damper 1 includes: a movable base 22, into which vibration is inputted; a reaction force generation part 23, which generates a reaction force according to the vibration; and a fixed base 24, which supports the reaction force generation part 23. This reaction force generation part 23, which has the ball screw part 20 comprising two nuts 5 and a flywheel 6 provided between the two nuts, converts the vibration inputted from the movable base 22 to the two nuts 5 into rotational motion and rotates the flywheel 6 through the rotational motion.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过分配作用在具有滚珠丝杠部分的振动控制装置上的支承力并通过减小螺杆轴的外径来减小振动控制装置的尺寸。解决方案：阻尼器1包括：输入振动的可动基座22; 产生根据振动的反作用力的反作用力产生部23; 以及支撑反作用力产生部23的固定基座24.该反作用力产生部23具有包括两个螺母5的滚珠丝杠部20和设置在两个螺母之间的飞轮6，将从可动状态输入的振动基座22到两个螺母5进入旋转运动，并通过旋转运动使飞轮6旋转。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2008298254A Ball screw driving device 有权
标题翻译：球螺丝驱动装置
公开(公告)号：JP2008298254A
公开(公告)日：2008-12-11
申请号：JP2007147792
申请日：2007-06-04
申请人： Nsk Ltd , 日本精工株式会社
发明人： YABE TAKAYUKI , NOBUTOMO MASAHIRO , MIYAGUCHI KAZUO
IPC分类号： F16H25/24
摘要： PROBLEM TO BE SOLVED: To provide a ball screw driving device capable of relieving a mutual difference in feed accuracy between a plurality of mutual ball screws, in a ball screw driving device for joining and driving the plurality of ball screws in parallel.
SOLUTION: This ball screw driving device 20 has a heat exchange means. This heat exchange means has a cooling medium flow passage 12 formed in a screw shaft 2 of the respective ball crews 1, and a cooling system 14 for forcibly circulating a cooling medium to its flow passage 12 and capable of relatively varying the temperature or the flow of the respective cooling media. This cooling system 14 manages so that a temperature difference of the mutual respective balls screws 1 is approximated to a thermal expansion quantity corresponding to a mutual difference in a typical moving distance by controlling the temperature or the flow of the respective cooling media.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够缓和多个相互滚珠丝杠之间的进给精度的相互差异的滚珠丝杠驱动装置，用于平行地接合和驱动多个滚珠丝杠的滚珠丝杠驱动装置。该解决方案：该滚珠丝杠驱动装置20具有热交换装置。这种热交换装置具有形成在相应的球员1的螺杆轴2中的冷却介质流动通道12和用于将冷却介质强制循环到其流动通道12并能够相对变化温度或流量的冷却系统14 的各个冷却介质。该冷却系统14通过控制相应的冷却介质的温度或流量来管理相应的滚珠螺杆1的温差近似于通常移动距离的相互差异的热膨胀量。版权所有（C）2009，JPO＆INPIT

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