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. 发明公开

EP2444200A1 METHOD FOR MANUFACTURING COIL SPRING 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG EINER SPULENFEDER
公开(公告)号：EP2444200A1
公开(公告)日：2012-04-25
申请号：EP10789284.6
申请日：2010-03-18
申请人： NHK Spring Co., Ltd.
发明人： TANGE, Akira , OKADA, Hideki , UESUGI, Motoi , HISANO, Yosuke
IPC分类号： B24C1/10 , F16F1/02 , F16F1/06 , B21F35/00
CPC分类号： B21F35/00 , B21F99/00 , B24C1/10
摘要： A spring wire (20) is subjected to a first shot peening process (S6) and a second shot peening process (S7). In the first shot peening process (S6), a first shot is projected on the spring wire (20) at a first projectile speed. High kinetic energy of the first shot produces compressive residual stress in a region ranging from the surface of the spring wire (20) to a deep position. In the second spring wire process (S7), a second shot is projected at a second projectile speed lower than the speed of the first shot. The kinetic energy of the second shot is lower than that of the first shot. The low kinetic energy of the second shot increases the compressive residual stress in a region near the surface of the spring wire (20).
摘要翻译：对弹簧丝（20）进行第一喷丸硬化处理（S6）和第二喷丸硬化处理（S7）。在第一喷丸硬化处理（S6）中，以弹射线的第一弹丸速度投射弹簧丝（20）。第一次射击的高动能在从弹簧丝（20）的表面到深位置的区域中产生压缩残余应力。在第二弹簧丝加工（S7）中，以比第一弹丸的速度低的第二弹丸速度投射第二射击。第二枪的动能低于第一枪的动能。第二次射击的低动能增加了弹簧丝（20）表面附近区域的压缩残余应力。

2. 发明授权

EP2444200B1 METHOD FOR MANUFACTURING COIL SPRING 有权
公开(公告)号：EP2444200B1
公开(公告)日：2019-08-21
申请号：EP10789284.6
申请日：2010-03-18
申请人： NHK Spring Co., Ltd.
发明人： TANGE, Akira , OKADA, Hideki , UESUGI, Motoi , HISANO, Yosuke
IPC分类号： B24C1/10 , F16F1/02 , F16F1/06 , B21F35/00

3. 发明授权

EP2639328B1 HIGH-STRENGTH SPRING STEEL, METHOD FOR PRODUCING HIGH-STRENGTH SPRING, AND HIGH-STRENGTH SPRING 有权
公开(公告)号：EP2639328B1
公开(公告)日：2018-05-30
申请号：EP11839745.4
申请日：2011-10-21
申请人： NHK Spring Co., Ltd.
发明人： OKADA, Hideki , TANGE, Akira , TANGO, Koichi , SUMIYOSHI, Isao
IPC分类号： C21D8/06 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/34 , C22C38/42 , F16F1/02 , C21D7/06 , C21D9/02 , C22C38/50 , C21D9/52 , C22C38/20 , C22C38/28 , C22C38/46
CPC分类号： F16F1/021 , C21D7/06 , C21D8/06 , C21D8/065 , C21D9/02 , C21D9/52 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/20 , C22C38/28 , C22C38/34 , C22C38/42 , C22C38/46 , C22C38/50 , F16F1/02
摘要： A steel for high-strength spring has an Ac 3 transformation temperature as an indicator of the decarburization performance, which is calculated by Equation (1) below, is from 859 to 885°C, a maximum hardened diameter DI as an indicator of the hardening performance, which is calculated by Equation (2) below, is from 70 to 238 mm, and a temper hardness HRC as an indicator of the spring performance, which is calculated by Equation (3) below, is from 50 to 55. wherein, D 0 = 8.65 × C , f Si =1+0.64×Si, f Mn =1+4.10×%Mn, f P =1+2.83×%P, f S =1-0.62×%S, f Cu =1+0.27×%Cu, f Ni =1+0.52×%Ni, and f Cr =1+2.33×%Cr.

4. 发明公开

EP3184242A1 VERTICAL MOTION IMPELLER-TYPE SHOT PEENING DEVICE AND COIL SPRING 有权
标题翻译：垂直运动叶轮式喷丸装置和卷簧
公开(公告)号：EP3184242A1
公开(公告)日：2017-06-28
申请号：EP15834152.9
申请日：2015-06-09
申请人： NHK Spring Co., Ltd.
发明人： MORIYAMA, Senri , AKIYAMA, Satoshi , KOMAZAKI, Masaya , NAGAYASU, Go , OKADA, Hideki , YOKOTA, Daisuke
IPC分类号： B24C1/10 , B24C3/24 , F16F1/02
CPC分类号： B24C1/10 , B24C3/24 , F16F1/02 , F16F1/04
摘要： A vertical motion impeller-type shot peening device (50) performs a second shot peening to a coil spring (10) including first shot peening indentations (20). The vertical motion impeller-type shot peening device (50) includes a workpiece holding mechanism (52) including a lower end turn support (84, 85) and an upper end turn support (95, 96), a stress applying mechanism (90) which compresses the coil spring (10), a rotation mechanism (100) which allows the coil spring (10) to rotate around the vertical axis, and a projection mechanism (57) which includes a pair of vertically movable impeller units (55, 56). A first rough surface (21) including first shot peening indentations (20) is formed on a part of end turn portions (10a, 10b) of the coil spring (10). A second rough surface (31) including second shot peening indentations (30) is formed on the entire surface of wire (11) except for the first rough surface (21).
摘要翻译：垂直运动叶轮式喷丸装置（50）对包括第一喷丸硬化压痕（20）的螺旋弹簧（10）执行第二喷丸。上下运动叶轮式喷丸装置（50）包括：包括下端匝支承件（84,85）和上端匝支承件（95,96）的工件保持机构（52）;应力施加机构（90）压缩螺旋弹簧10的旋转机构100，使螺旋弹簧10绕垂直轴旋转的旋转机构100和包括一对可垂直移动的叶轮单元55,56的投射机构57，）。包括第一喷丸压痕（20）的第一粗糙表面（21）形成在螺旋弹簧（10）的一部分端部转弯部分（10a，10b）上。包括第二喷丸硬化凹痕（30）的第二粗糙表面（31）形成在除第一粗糙表面（21）之外的金属丝（11）的整个表面上。

5. 发明授权

EP2416031B1 COMPRESSION COIL SPRING AND MANUFACTURING DEVICE AND MANUFACTURING METHOD FOR COIL SPRING 有权
标题翻译：螺旋弹簧和器件及其制造螺旋弹簧
公开(公告)号：EP2416031B1
公开(公告)日：2016-11-16
申请号：EP10758437.7
申请日：2010-03-18
申请人： NHK Spring Co., Ltd.
发明人： HAMANO, Toshio , OKADA, Hideki , YAMAMOTOYA, Kenji
IPC分类号： F16F1/06 , B21F3/04 , B21F35/00 , F16F1/02
CPC分类号： B21F3/04 , B21F35/00 , F16F1/04

6. 发明公开

EP4364868A1 COIL SPRING, SUSPENSION DEVICE, AND METHOD FOR PRODUCING COIL SPRING 审中-实审
公开(公告)号：EP4364868A1
公开(公告)日：2024-05-08
申请号：EP22833060.1
申请日：2022-06-27
申请人： NHK Spring Co., Ltd.
发明人： OKADA, Hideki , YAMAUCHI, Yuichiro , TANAKA, Ryo , SUZUKI, Takeshi , SHIBAIRI, Kosuke
IPC分类号： B21F35/00 , C21D7/06 , C21D9/02 , C21D1/34 , C21D1/40 , B60G3/28 , F16F1/02 , F16F1/06 , F16F1/12
CPC分类号： B21F35/00 , B60G3/28 , C21D1/34 , C21D9/02 , F16F1/02 , F16F1/06 , F16F1/12 , C21D1/40 , C21D7/06
摘要： According to an embodiment, a coil spring is formed of a wire which is helically wound, and includes an end turn portion and an effective portion, and a surface of the wire in the end turn portion includes an area which is softer than a surface of the wire in the effective portion.

7. 发明公开

EP3421177A1 COIL SPRING PROCESSING DEVICE 有权
公开(公告)号：EP3421177A1
公开(公告)日：2019-01-02
申请号：EP17756615.5
申请日：2017-02-23
申请人： NHK Spring Co., Ltd.
发明人： OKADA, Hideki , YOKOTA, Daisuke , MORIYAMA, Senri , AKIYAMA, Satoshi , KOMAZAKI, Masaya , NAGAYASU, Go
IPC分类号： B24C1/10 , B24C3/24 , B24C9/00
摘要： A coil spring processing device includes an end positioning device (30), shot peening device (50), and controller (98). The end positioning device (30) positions ends (1c, 1d) of a coil spring (1). The shot peening device (50) includes a turntable mechanism (52), pressure mechanism (93), rotation mechanism (100) which rotates the coil spring (1), and projection mechanism (57) which projects shots. Holding mechanisms (81, 82) each include a lower shifting prevention jig (85) and an upper shifting prevention jig (91). The controller (98) stops a first holding mechanism (81) and a second holding mechanism (82) in rotation stop positions corresponding to end turn portions (1a, 1b) of the coil spring (1).

8. 发明公开

EP3421176A1 SHOT PEENING DEVICE 审中-公开
公开(公告)号：EP3421176A1
公开(公告)日：2019-01-02
申请号：EP17756611.4
申请日：2017-02-23
申请人： NHK Spring Co., Ltd.
发明人： OKADA, Hideki , YOKOTA, Daisuke , MORIYAMA, Senri , AKIYAMA, Satoshi , KOMAZAKI, Masaya , NAGAYASU, Go
IPC分类号： B24C1/10 , B24C3/24 , B24C3/32 , B24C9/00
摘要： A shot peening device (50) includes a turntable (79) which rotates about a revolution axis (X1), holding mechanism (81, 82) which moves with the turntable (79), pressure mechanism (93) which compresses a coil spring (1), rotation mechanism (100) which rotates the coil spring (1), projection mechanism (57) which projects shots to the compressed coil spring (1), load cell (96, 97) which detects a load applied to the coil spring (1), and controller (98). A signal output from the load cell (96, 97) is input to the controller (98), and the controller (98) detects a chronological change of the load applied to the coil spring (1) during the shot peening.

9. 发明公开

EP3150880A1 SUSPENSION SPRING DEVICE AND SUSPENSION COIL SPRING 有权
标题翻译： AUFHÄNGUNGSFEDERVORRICHTUNGUNDAUFHÄNGUNGSSPULENFEDER
公开(公告)号：EP3150880A1
公开(公告)日：2017-04-05
申请号：EP14893187.6
申请日：2014-05-28
申请人： NHK Spring Co., Ltd.
发明人： TANGE, Akira , OKADA, Hideki
IPC分类号： F16F1/12 , F16F1/00 , F16F15/06 , F16F15/067
CPC分类号： B60G11/14 , B60G11/16 , B60G2202/12 , B60G2206/42 , B60G2206/81 , B60G2206/8402 , B60G2206/8403 , B60G2500/20 , C21D7/06 , C21D9/02 , F16F1/04 , F16F2226/02
摘要： A compressive residual stress portion (50) having a compressive residual stress from a surface of a wire (40) to a first depth (D1) is formed between end turn portions (12a, 12b) of a coil spring (12). The end turn portion (12a) includes a first portion (12a 1 ), a second portion (12a 2 ), and a third portion (12a 3 ). The first portion (12a 1 ) is always in contact with a spring seat irrespective of a load applied to the coil spring (12). The second portion (12a 2 ) contacts the spring seat when the load applied to the coil spring (12) is large, and is separated from the spring seat when the load is small. The third portion (12a 3 ) is always separated from the spring seat irrespective of the magnitude of the load. In the end turn portion (12a), in a region including the second portion (12a 2 ), a deep residual stress portion (51) is formed by ultrasonic shot peening. The deep residual stress portion (51) has a compressive residual stress from a surface of the wire (40) to a second depth (D2) deeper than the first depth (D1).
摘要翻译：在螺旋弹簧（12）的端部匝部（12a，12b）之间形成有从线（40）的表面到第一深度（D1）的压缩残余应力的压缩残余应力部分（50）。端部转弯部分（12a）包括第一部分（12a 1），第二部分（12a 2）和第三部分（12a 3）。第一部分（12a 1）始终与弹簧座接触，而不管施加到螺旋弹簧（12）的负载。当施加到螺旋弹簧（12）的负载较大时，第二部分（12a 2）接触弹簧座，并且当负载小时与弹簧座分离。不管负载的大小如何，第三部分（12a 3）始终与弹簧座分离。在末端转弯部分（12a）中，在包括第二部分（12a 2）的区域中，通过超声波喷丸硬化形成深残余应力部分（51）。深残余应力部分（51）具有从线（40）的表面到比第一深度（D1）更深的第二深度（D2）的压缩残余应力。

10. 发明公开

EP3231644A1 STABILIZER 有权
公开(公告)号：EP3231644A1
公开(公告)日：2017-10-18
申请号：EP15868473.8
申请日：2015-12-04
申请人： NHK Spring Co., Ltd.
发明人： KUWATSUKA, Shinichiro , OKUDAIRA, Yurika , TANGE, Akira , OKADA, Hideki , TAKAHASHI, Ken
IPC分类号： B60G21/055 , B24C1/10 , C21D7/06 , C21D9/00 , C22C38/00 , C22C38/04 , C22C38/60 , F16F1/14 , C21D1/60 , C21D8/06
CPC分类号： C21D9/0068 , B21D47/00 , B21D53/88 , B24C1/10 , B60G21/055 , B60G2206/427 , B60G2206/724 , B60G2206/81035 , B60G2206/8402 , B60G2206/8403 , C21D1/60 , C21D6/004 , C21D6/005 , C21D6/008 , C21D7/06 , C21D8/065 , C21D9/0075 , C21D9/02 , C21D2211/008 , C22C38/00 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/54 , C22C38/60 , F16F1/14
摘要： This stabilizer (1) is formed using a solid metal rod, is for suppressing left/right wheel displacement, and is provided extending in the vehicle width direction. The diameter of a torsion section (1a) that twist-deforms is 10-32 mm. The stabilizer has a chemical composition including at least 0.15%-0.39% by mass C and including at least Mn, B, and Fe. At least 90% of the metal structure thereof has a martensite structure.
摘要翻译：该稳定器（1）由固体金属棒形成，用于抑制左右轮的位移，并且设置成在车宽方向上延伸。扭转变形的扭转部分（1a）的直径为10-32mm。稳定剂具有包含至少0.15％至0.39质量％C且至少包含Mn，B和Fe的化学组成。其金属结构的至少90％具有马氏体结构。

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