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公开(公告)号：US20180117983A1
公开(公告)日：2018-05-03
申请号：US15560892
申请日：2016-03-16
申请人： NHK Spring Co., Ltd.
IPC分类号： B60G21/055 , C21D9/08
CPC分类号： B60G21/055 , B21D7/165 , B21D53/88 , B60G2206/012 , B60G2206/427 , B60G2206/724 , B60G2206/8402 , C21D9/08 , C21D9/085
摘要： A hollow stabilizer has a tubular shape and is provided with a torsion section that is provided to a vehicle and that extends in the vehicle width direction; an arm section that extends in the front-back direction of the vehicle; and bent sections that connect the torsion section and the arm section. The hardness of the outer surface of the bent inner sides of the bent sections of the hollow stabilizer is 70% or more with respect to the hardness of the outer surface of the arm section.
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公开(公告)号：US09604272B2
公开(公告)日：2017-03-28
申请号：US13542883
申请日：2012-07-06
申请人： Nobuhiro Okada , Atsushi Tomizawa , Naoaki Shimada
发明人： Nobuhiro Okada , Atsushi Tomizawa , Naoaki Shimada
CPC分类号： B21D7/162 , B21D7/165 , C21D1/42 , C21D9/08 , C21D9/085 , C21D11/00 , H05B6/104 , H05B6/36 , H05B6/44 , Y02P10/253
摘要： An induction heating coil for stably heating a steel tube which is being fed in its axial direction without rotating, the heating being uniform in the circumferential direction and in a narrow range in the axial direction has at least two 1-turn coils in the form of a first turn coil body and a second turn coil body. The inner peripheral length Ln (the non-effective coil length) where the effective number of coil turns is less than the total number of coil turns when the coil is projected in the axial direction and the inner peripheral length L0 of the projected coil bodies (the inner coil length) satisfy Ln/L0
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3.发明申请THREE-DIMENSIONALLY BENDING MACHINE, BENDING EQUIPMENT LINE, AND BENT PRODUCT 审中-公开三维弯曲机，弯曲设备线，弯头产品公开(公告)号：US20150004430A1
公开(公告)日：2015-01-01
申请号：US14485871
申请日：2014-09-15
CPC分类号： B21D7/162 , B21D7/08 , B21D7/16 , B21D7/165 , Y10T428/1241
摘要： A three-dimensionally bending machine comprises a supporting unit to support a workpiece and a feeding unit to feed the workpiece from an upstream side of the workpiece. A heating and cooling unit, provided around the outer circumference of a portion of the workpiece downstream of said supporting unit heats the portion of workpiece in a temperature range for plastic deformation and quenches and rapidly cools the deformed workpiece. A three-dimensionally movable unit, provided downstream of said heating and cooling unit, supports the metal material and controls the supporting position and/or the moving speed of the metal material to apply the bending moment in association with a feed amount, a heating amount, and a cooling amount of the workpiece. Even when a high-strength workpiece is bent, a workpiece having excellent shape fixability and uniform hardness distribution can be made, especially for application to sophisticated automobile parts.
摘要翻译： 三维弯曲机包括支撑工件的支撑单元和从工件的上游侧供给工件的进给单元。 在所述支撑单元下游的工件的一部分的外圆周周围设置的加热和冷却单元在用于塑性变形和淬火的温度范围内加热所述工件的部分并且快速冷却变形的工件。 设置在所述加热和冷却单元下游的三维可移动单元支撑金属材料并且控制金属材料的支撑位置和/或移动速度以与供给量相关联地施加弯矩，加热量 ，和工件的冷却量。 即使当高强度工件弯曲时，也可以制造具有优异的定形性和均匀的硬度分布的工件，特别适用于复杂的汽车部件。
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公开(公告)号：US08511135B2
公开(公告)日：2013-08-20
申请号：US13300720
申请日：2011-11-21
IPC分类号： B22D43/10
摘要： A bending apparatus for manufacturing a bent member from a steel pipe with high dimensional accuracy and high productivity can be installed in a small space with good maintainability. The apparatus has a feed mechanism for feeding a steel pipe in its lengthwise direction, a first support mechanism for supporting the steel pipe while feeding it, a heating mechanism for heating a part or all of the steel pipe being fed, a cooling mechanism for cooling the portion of the heated steel pipe being fed, a second support mechanism for imparting a bending moment to the heated portion of the steel pipe to bend the steel pipe into a desired shape by moving two-dimensionally or three-dimensionally while supporting the fed steel pipe in at least one location, and a deformation preventing mechanism for preventing deformation of the steel pipe. The feed mechanism is a vertically articulated robot having seven axes.
摘要翻译： 用于从具有高尺寸精度和高生产率的钢管制造弯曲构件的弯曲装置可以安装在具有良好维护性的小空间中。 该装置具有用于沿长度方向供给钢管的进给机构，用于在供给钢管的同时支撑钢管的第一支撑机构，用于加热被供给的钢管的一部分或全部的加热机构，用于冷却的冷却机构 加热钢管的部分被供给，第二支撑机构用于向钢管的加热部分施加弯曲力矩，以通过二维或三维地移动二维或三维地将钢管弯曲成所需的形状，同时支撑供给的钢 至少一个位置的管道，以及用于防止钢管变形的变形防止机构。 进给机构是具有七个轴的垂直铰接机器人。
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5.发明申请INDUCTION HEATING COIL, AND AN APPARATUS AND METHOD FOR MANUFACTURING A WORKED MEMBER 有权感应加热线圈，以及制造工作会员的装置和方法公开(公告)号：US20120325806A1
公开(公告)日：2012-12-27
申请号：US13542883
申请日：2012-07-06
申请人： Nobuhiro OKADA , Atsushi Tomizawa , Naoaki Shimada
发明人： Nobuhiro OKADA , Atsushi Tomizawa , Naoaki Shimada
CPC分类号： B21D7/162 , B21D7/165 , C21D1/42 , C21D9/08 , C21D9/085 , C21D11/00 , H05B6/104 , H05B6/36 , H05B6/44 , Y02P10/253
摘要： An induction heating coil for stably heating a steel tube which is being fed in its axial direction without rotating, the heating being uniform in the circumferential direction and in a narrow range in the axial direction has at least two 1-turn coils in the form of a first turn coil body and a second turn coil body. The inner peripheral length Ln (the non-effective coil length) where the effective number of coil turns is less than the total number of coil turns when the coil is projected in the axial direction and the inner peripheral length L0 of the projected coil bodies (the inner coil length) satisfy Ln/L0
摘要翻译： 一种感应加热线圈，用于稳定地加热沿其轴向方向进给而不旋转的钢管，所述加热在圆周方向上均匀且在轴向方向上在窄范围内具有至少两个1匝线圈，其形式为 第一转线圈体和第二匝线圈体。 其中线圈匝数的有效数目的内周长Ln（无效线圈长度）小于线圈在轴向突出时的线圈匝数和投影线圈体的内周长L0的总线圈数（ 内线圈长度）满足Ln / L0 <0.05。 第一和第二线圈体在其连接部分上具有绝缘部分，并且绝缘部分存在于从线圈体的中心测量的以5-45°的中心角分隔开的位置。
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公开(公告)号：US20120079866A1
公开(公告)日：2012-04-05
申请号：US13300720
申请日：2011-11-21
摘要： A bending apparatus for manufacturing a bent member from a steel pipe with high dimensional accuracy and high productivity can be installed in a small space with good maintainability. The apparatus has a feed mechanism for feeding a steel pipe in its lengthwise direction, a first support mechanism for supporting the steel pipe while feeding it, a heating mechanism for heating a part or all of the steel pipe being fed, a cooling mechanism for cooling the portion of the heated steel pipe being fed, a second support mechanism for imparting a bending moment to the heated portion of the steel pipe to bend the steel pipe into a desired shape by moving two-dimensionally or three-dimensionally while supporting the fed steel pipe in at least one location, and a deformation preventing mechanism for preventing deformation of the steel pipe. The feed mechanism is a vertically articulated robot having seven axes.
摘要翻译： 用于从具有高尺寸精度和高生产率的钢管制造弯曲构件的弯曲装置可以安装在具有良好维护性的小空间中。 该装置具有用于沿长度方向供给钢管的进给机构，用于在供给钢管的同时支撑钢管的第一支撑机构，用于加热被供给的钢管的一部分或全部的加热机构，用于冷却的冷却机构 加热钢管的部分被供给，第二支撑机构用于向钢管的加热部分施加弯曲力矩，以通过二维或三维地移动二维或三维地将钢管弯曲成所需的形状，同时支撑供给的钢 至少一个位置的管道，以及用于防止钢管变形的变形防止机构。 进给机构是具有七个轴的垂直铰接机器人。
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7.发明申请METHOD OF MANUFACTURING A BENT PRODUCT AND AN APPARATUS AND A CONTINUOUS LINE FOR MANUFACTURING THE SAME 失效制造弯曲产品的方法和装置以及用于制造其的连续生产线公开(公告)号：US20100088882A1
公开(公告)日：2010-04-15
申请号：US12572606
申请日：2009-10-02
摘要： A method and apparatus for three-dimensionally bending a metal material are provided. A product intermittently having a bent portion which curves three-dimensionally and a quenched portion is manufactured by a bending method which performs bending downstream of a support means while feeding a metal material which is supported by the support means from an upstream side towards a downstream side. A portion of the metal material is heated by a heating means for the metal material downstream of the support means, a bending moment is imparted to the portion of the metal material which was heated by the heating means to carry out bending by three-dimensionally changing the position of a movable roller die which is disposed downstream of the heating means and has a plurality of rolls which feed the metal material which was heated by the heating means in the axial direction, and the metal material is quenched by spraying a cooling medium at the portion of the metal material which was heated by the heating means by a cooling means disposed between the heating means and the movable roller die. Errors in a product due to bending are suppressed by supporting a portion of the metal material which has exited from the movable roller die.
摘要翻译： 提供了一种三维弯曲金属材料的方法和装置。 间歇地具有三维弯曲的弯曲部分和淬火部分的制品通过弯曲方法制造，该弯曲方法在从支撑装置支撑的金属材料从上游侧朝向下游侧进行弯曲的同时，在支撑装置的下游进行弯曲 。 金属材料的一部分被用于金属材料的加热装置加热到支撑装置的下游，弯曲力矩被施加到被加热装置加热的金属材料部分，以通过三维地改变 设置在加热装置的下游并且具有多个轧辊的可动辊模具的位置，所述多个辊沿着轴向供给由加热装置加热的金属材料和金属材料，通过将冷却介质喷射在 金属材料的部分由加热装置通过设置在加热装置和可动辊模之间的冷却装置加热。 通过支撑已经从可动辊模具退出的金属材料的一部分来抑制由弯曲引起的产品中的错误。
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公开(公告)号：US09457390B2
公开(公告)日：2016-10-04
申请号：US13336172
申请日：2011-12-23
申请人： Atsushi Tomizawa , Naoaki Shimada , Shinjiro Kuwayama , Saburo Inoue , Manabu Okahisa , Yusuke Kinoshita , Takashi Suyama
发明人： Atsushi Tomizawa , Naoaki Shimada , Shinjiro Kuwayama , Saburo Inoue , Manabu Okahisa , Yusuke Kinoshita , Takashi Suyama
摘要： A bending apparatus has (a) a first manipulator which feeds a hollow metal blank of closed cross section in its lengthwise direction, (b) a second manipulator which supports a first support means disposed at a first position and a metal blank while feeding it, a heating means disposed at a second position downstream of the first position in the blank feed direction for heating all or part of the circumference of the blank, and a cooling means disposed at a third position downstream of the second position for cooling a portion of the heated blank, and (c) a third manipulator which constitutes a second support means disposed at a fourth position downstream of the third position in the feed direction of the blank and which moves two-dimensionally or three-dimensionally while supporting at least one location of the metal blank to bend the metal blank into a desired shape.
摘要翻译： 弯曲装置具有：（a）第一操纵器，其在长度方向上供给封闭截面的中空金属坯料，（b）第二操作器，其支撑设置在第一位置的第一支撑装置和金属坯料，同时进给， 加热装置，其设置在坯料供给方向上的第一位置下游的第二位置处，用于加热坯料的全部或部分周边;以及冷却装置，其设置在第二位置的下游的第三位置处，用于冷却坯料的一部分 加热的坯料，和（c）构成第二支撑装置的第三操纵器，所述第二支撑装置设置在所述坯料的进给方向上位于所述第三位置下游的第四位置处，并且在支撑所述坯料的至少一个位置的同时二维或三维地移动 金属坯料将金属坯料弯曲成所需的形状。
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公开(公告)号：US20150239028A1
公开(公告)日：2015-08-27
申请号：US14427075
申请日：2013-09-11
发明人： Nobuhiro Okada , Atsushi Tomizawa , Hiroaki Kubota
CPC分类号： B21D7/162 , B21D7/165 , C21D1/42 , C21D9/00 , C21D9/0075 , C21D9/08 , F27D11/06 , F27D11/12 , H05B6/101 , H05B6/104 , H05B6/36 , H05B6/365 , Y02P10/253
摘要： Provided is a high frequency induction heating apparatus capable of quenching a workpiece having an outward flange, over the whole circumference by means of a frequency with which a penetration depth of an electromagnetic wave is larger than a sheet thickness of the workpiece. The high frequency induction heating apparatus includes a high frequency induction heating coil used for heating a long hollow steel workpiece having a closed cross section and an outward flange, in 3DQ in which a bending member is manufactured from the workpiece. The high frequency induction heating coil includes a magnetic material core facing each other between which both faces of the outward flange are interposed, having a distance from both faces, and an induction heating coil connected to the magnetic material core and arranged surrounding an outer circumference of a general portion where the outward flange is excluded from the workpiece.
摘要翻译： 提供一种高频感应加热装置，其能够通过电磁波的穿透深度大于工件的片材厚度的频率，在整个圆周上淬火具有向外凸缘的工件。 高频感应加热装置包括用于加热具有闭合截面的长中空钢工件的高频感应加热线圈和向外凸缘，其中从工件制造弯曲构件。 高频感应加热线圈包括彼此面对的磁性材料芯，在该磁性材料芯之间插入有向外凸缘的两个表面，两个面之间具有距离;以及感应加热线圈，其连接到磁性材料芯并围绕外部圆周布置 向外凸缘从工件排除的一般部分。
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公开(公告)号：US20120167651A1
公开(公告)日：2012-07-05
申请号：US13336172
申请日：2011-12-23
申请人： Atsushi Tomizawa , Naoki Shimada , Shinjiro Kuwayama , Saburo Inoue , Manabu Okahisa , Yusuke Kinoshita , Takashi Suyama
发明人： Atsushi Tomizawa , Naoki Shimada , Shinjiro Kuwayama , Saburo Inoue , Manabu Okahisa , Yusuke Kinoshita , Takashi Suyama
摘要： A bending apparatus has (a) a first manipulator which feeds a hollow metal blank of closed cross section in its lengthwise direction, (b) a second manipulator which supports a first support means disposed at a first position and a metal blank while feeding it, a heating means disposed at a second position downstream of the first position in the blank feed direction for heating all or part of the circumference of the blank, and a cooling means disposed at a third position downstream of the second position for cooling a portion of the heated blank, and (c) a third manipulator which constitutes a second support means disposed at a fourth position downstream of the third position in the feed direction of the blank and which moves two-dimensionally or three-dimensionally while supporting at least one location of the metal blank to bend the metal blank into a desired shape.
摘要翻译： 弯曲装置具有：（a）第一操纵器，其在长度方向上供给封闭截面的中空金属坯料，（b）第二操作器，其支撑设置在第一位置的第一支撑装置和金属坯料，同时进给， 加热装置，其设置在坯料供给方向上的第一位置下游的第二位置处，用于加热坯料的全部或部分周边;以及冷却装置，其设置在第二位置的下游的第三位置处，用于冷却坯料的一部分 加热的坯料，和（c）构成第二支撑装置的第三操纵器，所述第二支撑装置设置在所述坯料的进给方向上位于所述第三位置下游的第四位置处，并且在支撑所述坯料的至少一个位置的同时二维或三维地移动 金属坯料将金属坯料弯曲成所需的形状。
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