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1. 发明公开

EP3279495A1 COIL SPRING 审中-公开
标题翻译：线圈弹簧
公开(公告)号：EP3279495A1
公开(公告)日：2018-02-07
申请号：EP16772288.3
申请日：2016-03-16
申请人： NHK Spring Co., Ltd.
发明人： MATSUBARA Masaru , KAJIGAYA Suguru
IPC分类号： F16F1/06
CPC分类号： F16F1/021 , B21F3/02 , B21F35/00 , C21D9/02 , F16F1/04 , F16F1/047 , F16F1/06 , F16F2226/00 , F16F2228/007
摘要： This coil spring (1) has portions (1a, 1b) of high hardness and a portion (1c) in which hardness is lower than the portions (1a, 1b). It is also preferable that the hardness of portions (1a, 1b) that contact other parts is lower than the hardness of sections (1c) that are not said portions. Furthermore, it is preferable that the hardness of the end coil sections (1a, 1b) of the coil spring (1) is lower than the hardness of sections (1c) that are not said sections. And it is preferable that the hardness of the portions (1a, 1b) that contact receiving members (2, 3) for receiving the end coil sections of the coil spring (1) is lower than the hardness of sections (1c) that are not said portions.
摘要翻译：该螺旋弹簧（1）具有硬度高的部分（1a，1b）和硬度比部分（1a，1b）低的部分（1c）。与其他部分接触的部分（1a，1b）的硬度最好低于不是所述部分的部分（1c）的硬度。此外，螺旋弹簧（1）的端部线圈部分（1a，1b）的硬度优选低于不是所述部分的部分（1c）的硬度。并且优选的是，与用于接收螺旋弹簧（1）的端部线圈部分的接收部件（2,3）接触的部分（1a，1b）的硬度低于不是（1c）的部分所述部分。

2. 发明公开

EP3263242A1 COILING MACHINE AND METHOD FOR MANUFACTURING COIL SPRINGS 有权
标题翻译：卷取机和制造卷簧的方法
公开(公告)号：EP3263242A1
公开(公告)日：2018-01-03
申请号：EP16755168.8
申请日：2016-02-04
申请人： NHK Spring Co., Ltd.
发明人： FURUSE, Takeshi , KUMAGAWA, Yusuke
IPC分类号： B21F35/00 , B21F3/06 , B21F11/00
CPC分类号： B21F3/06 , B21F11/005 , B21F35/00
摘要： A coiling machine (10) includes a material guide (12), first pin (13), second pin (14), pitch tool (15), cutting tool (16), heating device (17), temperature sensor (18), and controller. A material (2) continuously discharged from a tip (12a) of the material guide is bent between the first pin and the second pin to form an arc part (2a) between the first pin and the second pin. The controller select control data corresponding to the temperature of the material detected by the temperature sensor from a plurality of control data corresponding to a processing temperature. Then, the positions of the first pin and the second pin are controlled such that a radius of curvature of the arc part increases when the temperature of the material increases, and the position of the cutting tool is controlled such that a gap between the center of curvature (C1) of the arc part and the cutting tool increases.
摘要翻译：卷取机10包括材料导向件12，第一销13，第二销14，间距工具15，切削工具16，加热装置17，温度传感器18，和控制器。从材料引导件的尖端（12a）连续排出的材料（2）在第一销和第二销之间弯曲以在第一销和第二销之间形成弧形部分（2a）。控制器从对应于处理温度的多个控制数据中选择与由温度传感器检测到的材料的温度相对应的控制数据。然后，控制第一销和第二销的位置，使得当材料的温度升高时，弧部分的曲率半径增加，并且控制切割工具的位置，使得中心圆弧部分和切割工具的曲率（C1）增加。

3. 发明公开

EP3059025A4 SPRING FORMING DEVICE AND FORMING METHOD 有权转让
标题翻译： FEDERHERSTELLUNGSVORRICHTUNG UND VERFAHREN ZUR HERSTELLUNG
公开(公告)号：EP3059025A4
公开(公告)日：2017-06-28
申请号：EP14854805
申请日：2014-10-08
申请人： NHK SPRING CO LTD
发明人： TAKAHASHI KEITA , SHIRAISHI TOHRU , ONO YUICHIRO , NAGASAWA KAORU
IPC分类号： B21F35/00 , B21F3/06 , B21F11/00
CPC分类号： B21F35/00 , B21F3/06 , B21F11/005 , B21F23/00 , B21F99/00 , H05B6/101
摘要： A spring forming device in which the steel wire can be continuously cut off without stopping the feeding of the steel wire in cutting, and in which the steel wire can be uniformly heated, is provided. The spring forming device has a wire supplying mechanism for supplying a steel wire using a plurality of feeding rollers, a heating mechanism for heating the steel wire, a coiling mechanism for forming in a coil state the heated steel wire, and a cutting mechanism for cutting the steel wire coiled at a given number of turns off the steel wire remained backward. A cutting blade of the cutting mechanism follows tracks having a speed Va that moves to the receiving blade and a speed Vc that moves in an axial direction of the coiled steel wire, in cutting of the steel wire.
摘要翻译：本发明提供一种弹簧成形装置，其能够在不停止切断钢丝的供给的同时连续切断钢丝，并且能够均匀加热钢丝。该弹簧成形装置具有用于供给使用多个供给辊的钢丝的供丝机构，对钢丝进行加热的加热机构，将加热后的钢丝以线圈状态成形的卷取机构，以及切断机构在给定的钢丝匝数下盘绕的钢丝保持向后。在切割钢丝时，切割机构的切割刀片跟随具有移动到接收刀片的速度Va的轨道和沿着盘绕钢丝的轴向移动的速度Vc。

4. 发明授权

EP2520384B1 Windewerkzeug für Federwindemaschinen 有权
标题翻译： WindewerkzeugfürFederwindemaschinen
公开(公告)号：EP2520384B1
公开(公告)日：2017-06-07
申请号：EP12002452.6
申请日：2012-04-04
申请人： WAFIOS Aktiengesellschaft
发明人： Jannotti, Alexander , Schürmann, Alf
IPC分类号： B21F3/02 , B21F35/00
CPC分类号： B21F3/02 , B21F35/00

5. 发明公开

EP2282855A4 METHOD OF MANUFACTURING COIL SPRING USING HELICOID REDUCTION MILL 审中-公开
标题翻译：一种用于生产螺旋弹簧的使用螺旋形还原FRÄSE
公开(公告)号：EP2282855A4
公开(公告)日：2016-10-12
申请号：EP09844470
申请日：2009-06-04
申请人： DAE WON KANG UP CO LTD
发明人： JUNG CHAN-GI
IPC分类号： G01B7/12 , B21B1/16 , B21F3/04 , B21F35/00 , C21D9/02 , C21D11/00 , G01B21/12
CPC分类号： G01B21/12 , B21F3/04 , B21F35/00 , C21D9/02 , C21D11/00 , G01B5/043 , Y10T29/49609 , Y10T29/49611 , Y10T29/49615

6. 发明授权

EP1599683B1 MULTI-STRANDED COIL SPRING 有权
标题翻译： MORE连续盘簧
公开(公告)号：EP1599683B1
公开(公告)日：2016-01-13
申请号：EP04712878.0
申请日：2004-02-19
申请人： Dreamwell, Ltd.
发明人： GLADNEY, Richard, F. , KUCHEL, Bernhard, W. , DEFRANKS, Michael, S.
IPC分类号： A47C27/04
CPC分类号： A47C27/04 , A47C23/043 , A47C23/0438 , A47C27/065 , B21F27/16 , B21F35/00 , B21F35/003 , F16F1/024 , F16F1/04 , F16F3/04

7. 发明授权

EP2069091B1 APPARATUS FOR MANUFACTURING COIL SPRING 有权
标题翻译：器具，用于产生螺旋弹簧
公开(公告)号：EP2069091B1
公开(公告)日：2015-09-09
申请号：EP06823969.8
申请日：2006-12-07
申请人： Daewon Kang Up Co., Ltd.
发明人： JUNG, Chan-Gi
IPC分类号： B21F35/00 , B21F3/04
CPC分类号： B21F35/00 , B21F3/04

8. 发明公开

EP2896712A1 HELICAL COMPRESSION SPRING AND METHOD FOR MANUFACTURING SAME 失效转让
标题翻译：螺丝弹簧和方法及其生产
公开(公告)号：EP2896712A1
公开(公告)日：2015-07-22
申请号：EP13837663.7
申请日：2013-09-05
申请人： Nhk Spring Co., Ltd.
发明人： ONO, Yuitirou , SHIRAISHI, Tohru , ONO, Yoshiki , TAKAHASHI, Keita
IPC分类号： C22C38/00 , B21F3/02 , B21F35/00 , B24C1/10 , B24C11/00 , C21D1/06 , C21D7/06 , C21D8/06 , C21D9/02 , C22C38/04 , C22C38/54 , C23C8/22 , C23C8/80 , F16F1/06
CPC分类号： F16F1/021 , B21F3/02 , B21F35/00 , B24C1/10 , C21D1/06 , C21D6/002 , C21D6/004 , C21D6/005 , C21D6/008 , C21D7/06 , C21D8/065 , C21D9/02 , C22C38/02 , C22C38/04 , C22C38/08 , C22C38/12 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/34 , C22C38/46 , C23C8/02 , C23C8/22 , C23C8/80 , F16F1/06 , F16F2224/0216 , F16F2226/00 , F16F2236/04 , F16F2238/026
摘要： Tensile residual stress due to coiling processing is solved and appropriate compressive residual stress distribution is imparted by forming C-condensed layer at the wire material surface, so that compression coil spring having high durability is produced by using inexpensive wire material in the method for production of the present invention. The coil spring includes steel wire material containing 0.45 to 0.80 weight% of C, 0.15 to 2.50 weight% of Si, 0.3 to 1.0 weight% of Mn and iron and inevitable impurities as the remainder, and having a circle equivalent diameter of 2.5 mm to 10 mm, in which internal hardness at a freely selected cross section of the wire material is in a range of 570 to 700 Hv, C-condensed layer which exceeds average concentration of C contained in the steel wire material exists at surface layer part, and in an approximate maximum principal stress direction generated when a compressive load is loaded on spring of inner diameter side of the coil spring of the wire material, unloaded compressive residual stress at a depth of 0.2 mm and 0.4 mm from surface of the wire material is not less than 200 MPa and not less than 60 MPa, respectively.

9. 发明授权

EP2495055B1 WIRE SPRING FORMING DEVICE 有权
标题翻译：设备技术成形网SPRINGS
公开(公告)号：EP2495055B1
公开(公告)日：2014-10-01
申请号：EP09850831.0
申请日：2009-10-28
申请人： Orii & Mec Corporation
发明人： TAKAHASHI, Takehito
IPC分类号： B21F3/027 , B21F35/00 , B21F3/02
CPC分类号： B21F35/00 , B21F3/02

10. 发明授权

EP2274116B1 POSTE DE FAÇONNAGE DE MACHINE DE FAÇONNAGE DE FIL À BRAS PORTE-OUTILS ANNULAIRE 有权
标题翻译：金属丝的成形机的与环形WERKZEUGHALTERARM FORM STATION
公开(公告)号：EP2274116B1
公开(公告)日：2014-07-16
申请号：EP09738293.1
申请日：2009-03-26
申请人： Numalliance SAS
发明人： ETIENNE, Joël
IPC分类号： B21F3/02 , B21F35/00
CPC分类号： B21F3/02 , B21F35/00

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