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1. 发明授权

US11065675B2 Orbital forging device, method for orbital forging, method for manufacturing hub unit bearing using method for orbital forging, and method for manufacturing vehicle 有权
公开(公告)号：US11065675B2
公开(公告)日：2021-07-20
申请号：US16490305
申请日：2018-02-28
申请人： NSK LTD.
发明人： Tetsurou Maruno , Nobuyuki Hagiwara , Tokumasa Kikuchi , Hiroshi Koyama
IPC分类号： B21K1/40 , F16C23/08
摘要： Provided is construction which is able to downsize an orbital forging device comprising a spherical seat with shaft that swings and rotates with a molding die. The end section on the other side in the axial direction of the swinging shaft 13 is supported with respect to the driving mechanism 17 in a state where the movement toward one side in the axial direction (lower side) is prevented, and a member for preventing the swinging shaft 13 from moving toward the one side in the axial direction with respect to the frame 10 is not assembled in a section which is located between the convex spherical seat 14 and the driving mechanism 17 in the axial direction of the swinging shaft 13.

2. 发明授权

US10369612B2 Method and system for producing ring-shaped member for vehicle, and synchronizer ring 有权
公开(公告)号：US10369612B2
公开(公告)日：2019-08-06
申请号：US15748901
申请日：2016-12-16
申请人： NSK LTD.
发明人： Kazuto Kobayashi , Hiroshi Koyama , Yuu Yasuda
IPC分类号： B21D28/00 , B21D28/36 , B21D28/28 , B21K1/30 , F16D23/06 , B21D51/16 , F16D23/02 , B21D28/02 , B21D53/16 , B21D53/84
摘要： A method and a system for producing a ring-shaped member. A punching process is carried out on an axial intermediate part of a first intermediate annular material so as to produce a pair of ring-shaped members. A punching step includes a step in which a first punching process is carried out over a first range of the axial intermediate part in the circumferential direction, and a step in which a second punching process is carried out over a second range of the axially-oriented intermediate part, which is at least partially different than the first range, in the circumferential direction. The first punching process is carried out such that at least one tab is formed. The second punching process is carried out such that at least one separate tab is formed, thereby producing the pair of ring-shaped members.

3. 发明授权

US10137541B2 Method for manufacturing bearing ring member 有权
公开(公告)号：US10137541B2
公开(公告)日：2018-11-27
申请号：US14786535
申请日：2014-04-22
申请人： NSK Ltd.
发明人： Masahito Yamamoto , Hiroshi Koyama , Kazuto Kobayashi
IPC分类号： B23P15/00 , B21K1/04 , F16C33/62 , F16C33/64 , B21J1/00 , B21K1/40 , F16C33/58
摘要： Provided is a method for manufacturing a bearing ring member, whereby processing cost can be reduced and a high degree of freedom in design is obtained, by disposing a metal material of a raw material (13a), the metal material having excellent metal characteristics such as fatigue strength and wear resistance and excellent processing characteristics such as hardenability, in a portion that flows to a portion (raceway surface, etc.) where the characteristics of the metal material are required during use or forging of a bearing ring member. The present invention is configured from a first metal part (23) in which the raw material (13a) is formed in a cylindrical shape, and a second metal part (24) formed in a columnar shape by a metal material having more excellent metal characteristics or processing characteristics than the first metal part (23). For example, the second metal part (24) is disposed in a portion on an inside diameter side of the first metal part (23), which is a portion of the raw material (13a) that flows to an outer raceway (5a, 5b) of an outer ring (2) during forging.

4. 发明授权

US09056375B2 Manufacturing method for bearing outer ring 有权
标题翻译：轴承外圈的制造方法
公开(公告)号：US09056375B2
公开(公告)日：2015-06-16
申请号：US14151272
申请日：2014-01-09
申请人： NSK, Ltd.
发明人： Kazuto Kobayashi , Hiroshi Koyama
IPC分类号： B21D53/10 , B23P15/00 , B21J1/06 , F16C33/64 , F16C19/18 , B21J1/04 , B21K21/02 , B21K1/04
CPC分类号： B23P15/003 , B21J1/00 , B21J1/04 , B21J1/06 , B21J5/025 , B21J5/10 , B21K1/04 , B21K21/02 , F16C19/184 , F16C33/64 , Y10T29/49636 , Y10T29/49643
摘要： When the column-shaped raw material 10 is subjected to an upsetting process, a simultaneous forward-backward extrusion process, a punching process, a rolling process and a finishing process in order, to obtain an outer ring 3 that constitutes a back-to back double-row angular ball bearing 3, in the simultaneous forward-backward extrusion process, using a floating die 31 having a bottom plate section 35 with a circular convex section 34 and a punch 33 having a punch side convex section 37 provided on an distal end thereof, the section closer to the center in the radial direction of the first intermediate material 11a is compressed in the axial direction, causing the metal material of the first intermediate material 11a to move outward in the radial direction and move approximately uniformly in both extrusion (forward and backward) direction of the punch 33, whereby the middle metal material 29 having a high degree of cleanliness of the column-shaped raw material 10 is exposed over the entire portion that will become the double-row outer-ring raceways 2.
摘要翻译：当对柱状原料10进行镦锻处理，同时进行前后挤出处理，冲压加工，轧制处理和精加工时，为了得到构成背靠背的外圈3 双列角球轴承3在同时向前后退挤压工序中，使用具有圆形凸部34的底板部35的浮动模31和设置在前端的冲头侧凸部37的冲头33 第一中间材料11a的径向中心附近的部分沿轴向被压缩，导致第一中间材料11a的金属材料在径向方向上向外移动并且在两个挤出中大致均匀地移动向前和向后）的方向，从而使柱状原料10具有高清洁度的中间金属材料29暴露在e 将成为双列外圈滚道的ntire部分2。

5. 发明申请

US20190201967A1 METHOD OF MANUFACTURING BEARING UNIT, AND ROTARY PRESS DEVICE 审中-公开
公开(公告)号：US20190201967A1
公开(公告)日：2019-07-04
申请号：US16295627
申请日：2019-03-07
申请人： NSK LTD.
发明人： Nobuyuki Hagiwara , Toshio Nakamura , Hiroshi Koyama , Isao Shintou , Kazuto Kobayashi
IPC分类号： B21D53/10 , B21K1/40 , F16C43/04 , F16D1/076 , B60B27/00 , B21K1/76 , B21K1/30 , B21J9/02 , F16C19/18
CPC分类号： B21D53/10 , B21J9/025 , B21K1/30 , B21K1/40 , B21K1/765 , B60B27/00 , B60B27/0031 , B60B27/0084 , F16C19/186 , F16C43/04 , F16C2326/02 , F16D1/076 , F16D2003/22326
摘要： A rotary press device (33) includes a restriction section (36) configured to restrict a motion of a roll (30) around a central axis of a roll (30) against movement of the roll (30) around a central axis of a hub main body (8) during rotary forging. In an example, the restriction section (36) has guide teeth (44) meshed with teeth formed on a processing surface of the roll (30).

6. 发明申请

US20150068264A1 MANUFACTURING METHOD FOR BEARING OUTER RING 有权
标题翻译：用于承载外圈的制造方法
公开(公告)号：US20150068264A1
公开(公告)日：2015-03-12
申请号：US14151272
申请日：2014-01-09
申请人： NSK, Ltd.
发明人： Kazuto Kobayashi , Hiroshi Koyama
IPC分类号： B23P15/00
CPC分类号： B23P15/003 , B21J1/00 , B21J1/04 , B21J1/06 , B21J5/025 , B21J5/10 , B21K1/04 , B21K21/02 , F16C19/184 , F16C33/64 , Y10T29/49636 , Y10T29/49643
摘要： When the column-shaped raw material 10 is subjected to an upsetting process, a simultaneous forward-backward extrusion process, a punching process, a rolling process and a finishing process in order, to obtain an outer ring 3 that constitutes a back-to back double-row angular ball bearing 3, in the simultaneous forward-backward extrusion process, using a floating die 31 having a bottom plate section 35 with a circular convex section 34 and a punch 33 having a punch side convex section 37 provided on an distal end thereof, the section closer to the center in the radial direction of the first intermediate material 11a is compressed in the axial direction, causing the metal material of the first intermediate material 11a to move outward in the radial direction and move approximately uniformly in both extrusion (forward and backward) direction of the punch 33, whereby the middle metal material 29 having a high degree of cleanliness of the column-shaped raw material 10 is exposed over the entire portion that will become the double-row outer-ring raceways 2.
摘要翻译：当对柱状原料10进行镦锻处理，同时进行前后挤出处理，冲压加工，轧制处理和精加工时，为了得到构成背靠背的外圈3 双列角球轴承3在同时向前后退挤压工序中，使用具有圆形凸部34的底板部35的浮动模31和设置在前端的冲头侧凸部37的冲头33 第一中间材料11a的径向中心附近的部分沿轴向被压缩，导致第一中间材料11a的金属材料在径向方向上向外移动并且在两个挤出中大致均匀地移动向前和向后）的方向，从而使柱状原料10具有高清洁度的中间金属材料29暴露在e 将成为双列外圈滚道的ntire部分2。

7. 发明授权

US11904383B2 Orbital forging device, method for orbital forging, method for manufacturing hub unit bearing using method for orbital forging, and method for manufacturing vehicle 有权
公开(公告)号：US11904383B2
公开(公告)日：2024-02-20
申请号：US17347718
申请日：2021-06-15
申请人： NSK LTD.
发明人： Tetsurou Maruno , Nobuyuki Hagiwara , Tokumasa Kikuchi , Hiroshi Koyama
IPC分类号： F16C35/00 , B21K1/40 , F16C23/08 , B21J9/02
CPC分类号： B21K1/40 , B21J9/025 , F16C23/08 , F16C35/00 , F16C2326/02
摘要： Provided is construction which is able to downsize an orbital forging device comprising a spherical seat with shaft that swings and rotates with a molding die. The end section on the other side in the axial direction of the swinging shaft 13 is supported with respect to the driving mechanism 17 in a state where the movement toward one side in the axial direction (lower side) is prevented, and a member for preventing the swinging shaft 13 from moving toward the one side in the axial direction with respect to the frame 10 is not assembled in a section which is located between the convex spherical seat 14 and the driving mechanism 17 in the axial direction of the swinging shaft 13.

8. 发明授权

US11103917B2 Orbital forging device, method for orbital forging, method for manufacturing hub unit bearing using method for orbital forging, and method for manufacturing vehicle 有权
公开(公告)号：US11103917B2
公开(公告)日：2021-08-31
申请号：US16490305
申请日：2018-02-28
申请人： NSK LTD.
发明人： Tetsurou Maruno , Nobuyuki Hagiwara , Tokumasa Kikuchi , Hiroshi Koyama
IPC分类号： B21K1/40 , F16C23/08
摘要： Provided is construction which is able to downsize an orbital forging device comprising a spherical seat with shaft that swings and rotates with a molding die. The end section on the other side in the axial direction of the swinging shaft 13 is supported with respect to the driving mechanism 17 in a state where the movement toward one side in the axial direction (lower side) is prevented, and a member for preventing the swinging shaft 13 from moving toward the one side in the axial direction with respect to the frame 10 is not assembled in a section which is located between the convex spherical seat 14 and the driving mechanism 17 in the axial direction of the swinging shaft 13.

9. 发明授权

US10557505B2 Method and device for manufacturing bearing unit 有权
公开(公告)号：US10557505B2
公开(公告)日：2020-02-11
申请号：US15572581
申请日：2016-07-12
申请人： NSK Ltd.
发明人： Nobuyuki Hagiwara , Kazuto Kobayashi , Isao Shintou , Hiroshi Koyama , Toshio Nakamura
IPC分类号： B21J5/12 , B21J9/02 , B21K1/04 , B21K1/30 , B21D39/00 , B21D39/02 , B21K25/00 , F16C19/18 , F16C43/04 , F16C43/08 , F16C35/063 , B60B35/02 , B60B35/10
摘要： A method of manufacturing a rotating bearing unit includes to cause one end surface in the axial direction of the forming punch (46), formed by combining a plurality of punch elements (46, 46) divided in the circumferential direction, which are displaceable in the axial direction and which are not displaceable in the circumferential direction, and having a processing teeth (44, 44) at one end surface in the axial direction, to face the other end surface of the caulking section (20) in the axial direction. In this state, rolls (30a) are rotated about the central axis (α) of the hub main body (8) while pressing the other end surface of the forming punch (46) in the axial direction with a pressing surface (43) of the roll (30a) having a central axis (β) that is inclined with respect to the central axis (α) of the hub main body (8).

10. 发明授权

US10391542B2 Method for manufacturing rolling bearing unit and method for manufacturing vehicle 有权
公开(公告)号：US10391542B2
公开(公告)日：2019-08-27
申请号：US15570535
申请日：2016-07-04
申请人： NSK Ltd.
发明人： Nobuyuki Hagiwara , Kazuto Kobayashi , Isao Shintou , Hiroshi Koyama , Toshio Nakamura
IPC分类号： B60B27/00 , B23B51/00 , B21D53/10 , B21K1/40 , F16C43/04 , B21J9/02 , B21K1/30 , B21K1/76 , F16D1/076 , F16C19/18 , F16C35/063
摘要： A method for manufacturing a rolling bearing unit is provided to periodically reciprocate a stage (38) in a vertical direction by rotating and driving a servo motor (44) while rotating a roll about a central axis of a hub main body using a roll driving motor (43) in a state in which a processing surface of the roll is pressed against other end surface of a caulking section in an axial direction. A period of the reciprocation is restricted by a relation between a rotation position of the roll about the central axis of the hub main body and an engaged state between concave sections, which are sections between a plurality of processed teeth formed in the processing surface of the roll, and a face spline tooth formed by the concave section.

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