公开(公告)号：US5832764A

公开(公告)日：1998-11-10

申请号：US878497

申请日：1997-06-18

Applicant: Mark T. Girard

Inventor： Mark T. Girard

IPC: G11B5/48 ,  B21D11/10

CPC classification number: G11B5/4833 ,  Y10S72/702 ,  Y10T29/49037 ,  Y10T29/49041

Abstract: A system for adjusting the gram load, static attitude roll and radius geometry of a suspension with a high degree of accuracy and repeatability includes a clamp, load-engaging member, actuator, laser and control system. The mounting region of the suspension to be adjusted is releasably received and clamped by a clamp. A load beam of the suspension is engaged and supported at adjust positions with respect to the clamp by the load beam-engaging member. The load beam-engaging member is driven and positioned by the actuator. IR light from the laser is directed to the spring region of the suspension by optical fibers. The control system includes a pre-adjust input terminal, memory and a controller. Information representative of a measured pre-adjust fly height gram load, static attitude roll and radius geometry values of the suspension are received at the pre-adjust input terminal. Adjust data representative of load beam adjust positions which will cause the suspension to have a desired post-adjust fly height gram load, static attitude roll and radius geometry values after the load beam is stressed relieved is stored in the memory. The controller is coupled to the pre-adjust input terminal, actuator, laser and memory, and controls the system by: 1) accessing the memory as a function of the measured pre-adjust fly height gram load, static attitude roll and radius geometry values to determine the load beam adjust position which will cause the suspension to have the desired fly height gram load, roll and radius geometry values after the load beam is stressed relieved, 2) actuating the actuator and causing the load beam-engaging member to position the load beam at the adjust position, 3) actuating the laser to stress relieve the spring region of the load beam while the load beam is positioned at the adjust position, and 4) actuating the actuator and causing the load beam-engaging member to release the load beam after the load beam is stress relieved.

公开(公告)号：US5657187A

公开(公告)日：1997-08-12

申请号：US567622

申请日：1995-12-05

Applicant: Michael R. Hatch ,  Stephen P. Williams ,  Jwo-Min Wang

Inventor： Michael R. Hatch ,  Stephen P. Williams ,  Jwo-Min Wang

IPC: G11B5/60 ,  G11B5/48 ,  G11B21/21

CPC classification number: G11B5/4833 ,  G11B5/4826 ,  Y10S72/702 ,  Y10T29/49025 ,  Y10T29/49036

Abstract: An optimized bump and offset along the spring section of a load beam of a head-gimbal assembly ("HGA") in the loaded state redistributes the mass and stiffness distributions of the load beam from a truly flat state, so that the mode shape of the first torsional resonance mode is changed such that the coupling between a drive actuator head arm and the head slider is essentially eliminated. A fabrication method to produce the desired bump and offset, and a characterization method to ascertain that optimized bump and offset parameters have been achieved are also disclosed. By optimizing bump and offset, the slider remains independent from any load beam first torsional vibration even at resonance and/or sway mode resonant frequency of the HGA may be increased.

Abstract translation: 在负载状态下，头部万向节组件（“HGA”）的负载梁的弹簧部分的优化的凸起和偏移将负载梁的质量和刚度分布从真实平坦状态重新分布，使得模型形状 改变第一扭转共振模式，从而基本上消除了驱动致动器头部臂和头部滑块之间的联接。 还公开了产生所需凸块和偏移的制造方法以及用于确定已经实现优化的凸块和偏移参数的表征方法。 通过优化凸块和偏移，即使在谐振和/或摆动模式下，滑块仍然独立于任何负载梁的第一扭转振动，HGA的谐振频率可能会增加。

公开(公告)号：US5584199A

公开(公告)日：1996-12-17

申请号：US325330

申请日：1994-12-13

Applicant: Franco Sartorio

Inventor： Franco Sartorio

IPC: G01B21/22 ,  B21D5/02 ,  G01B5/24 ,  G01B7/00 ,  G01B7/30

CPC classification number: B21D5/0209 ,  G01B5/24 ,  G01B7/30 ,  Y10S72/702

Abstract: A device for measuring an angle in a workpiece piece which includes a base; a pair of feelers which are movable relative to the base and each of which has an active surface for contacting a respective portion of the workpiece piece during the measurement; a thrust mechanism for bringing the active surfaces of said feelers into contact with the respective portions of the workpiece piece being measured; and a sensor mechanism for detecting the positions of the feelers relative to the base.

Abstract translation: PCT No.PCT / JP94 / 00257 Sec。 371日期1994年12月13日第 102（e）日期1994年12月13日PCT 1994年2月21日提交PCT公布。 公开号WO94 / 19662 1994年9月1日一种用于测量包括基座的工件的角度的装置; 一对可相对于基座移动的触针，每一个在测量期间具有用于接触工件的相应部分的活动表面; 用于使所述触针的活动表面与所测量的工件的相应部分接触的推力机构; 以及用于检测触针相对于基座的位置的传感器机构。

公开(公告)号：US5497647A

公开(公告)日：1996-03-12

申请号：US259599

申请日：1994-06-14

Applicant: Seiju Nagakura

Inventor： Seiju Nagakura

IPC: B21D5/02 ,  B21D5/00

CPC classification number: B21D5/02 ,  Y10S72/702

Abstract: A method and equipment for bending a work to the extent of a target bending angle, including a first process of bending to bend a work with a ram driven by a two-shaft system having a pair of right and left drive mechanisms to the extent of the quantity of motion for each shaft corresponding to the target bending angle, a measurement process to measure the bending angles at both ends of the work bent in the first process of bending, a correction process to correct the quantity of motion for each shaft according to each error between the target bending angle and the respective bending angles at both ends of the work measured in the measurement process, and a second process of bending to bend the work with the ram driven by the two-shaft system in which each shaft is actuated by each drive mechanism to the extent of the quantity of motion for each shaft corrected by the correction process, all of the above processes being performed in series.

Abstract translation: 一种用于将工件弯曲到目标弯曲角度的方法和设备，该方法和设备包括弯曲工件的第一过程，所述第一工艺是由具有一对左右驱动机构的两轴系统驱动的压头弯曲工件， 对应于目标弯曲角度的每个轴的运动量，测量在第一弯曲过程中弯曲的工件的两端处的弯曲角度的测量处理，校正根据每个轴的运动量，根据 目标弯曲角度与在测量过程中测量的工件两端的相应弯曲角度之间的每个误差，以及第二个弯曲工作，其中弯曲工作与由每个轴致动的双轴系统驱动的柱塞 通过每个驱动机构到通过校正过程校正的每个轴的运动量的程度，所有上述处理都是串联执行的。

公开(公告)号：US5284040A

公开(公告)日：1994-02-08

申请号：US987798

申请日：1992-12-09

Applicant: Valere H. J. Beelen ,  David L. Machovina

Inventor： Valere H. J. Beelen ,  David L. Machovina

IPC: B21D7/024 ,  B21D7/06

CPC classification number: B21D7/024 ,  B21D7/063 ,  Y10S72/702

Abstract: Tube bending apparatus comprising a lower support carrying a mandrel having a bending groove providing a bend axis, and an upper support mounted on the lower support for rotation about the bend axis and carrying a forming member for urging a tube between the mandrel and forming member into the bending groove on rotation of the upper support relative to the lower support. The upper support is adapted to be rotated relative to the lower support through a drive shaft arrangement extending downwardly from the lower support and coupled with a drive unit having an output coupling coaxial with the drive shaft and transverse to the axis of the drive motor of the drive unit. A stand supports the bending apparatus and drive unit relative to an underlying support surface during operation of the bending apparatus. The lower support is provided with angularly spaced apart abutment surfaces corresponding to different bend angles for a tube to be bent, and the upper support member is provided with a stop member which is selectively adjustable to engage any one of the abutment surfaces to provide the corresponding bend angle as well as a selectable degree of overbend of the tube relative to the bend angle.

Abstract translation: 管弯曲装置包括承载具有提供弯曲轴线的弯曲槽的心轴的下支撑件和安装在下支撑件上的上支撑件，用于围绕弯曲轴线旋转并且承载用于将心轴和成形构件之间的管推动的成形构件 上支撑件相对于下支撑件旋转的弯曲槽。 上支撑件适于通过从下支撑件向下延伸的驱动轴装置相对于下支撑件旋转，并且与驱动单元联接，驱动单元具有与驱动轴同轴并且横向于驱动马达的轴线的驱动单元 驱动单元。 在弯曲装置的操作期间，支架相对于下面的支撑表面支撑弯曲装置和驱动单元。 下支撑件设置有对应于待弯曲的管的不同弯曲角度的角度间隔开的邻接表面，并且上支撑构件设置有止动构件，该止动构件可选择性地调节以接合任何一个邻接表面以提供相应的 弯曲角度以及管相对于弯曲角度的可弯曲过度弯曲程度。

公开(公告)号：US5007264A

公开(公告)日：1991-04-16

申请号：US269192

申请日：1988-11-09

Applicant: Johannes Haack

Inventor： Johannes Haack

IPC: B21D5/01 ,  B21D5/04

CPC classification number: B21D28/10 ,  B21D5/042 ,  Y10S72/702

Abstract: In a method for the bending of workpieces by swivel bending jaws, the bent-off part is to assume a predetermined bending angle with respect to the workpiece, for this purpose, in a first bending operation, at least one corresponding leg is to be bent off from the workpiece by means of the swivel bending jaws. Then, the swivel bending jaws are released from the leg and a springback of the leg or the actual bending angle is determined by direct measurements and compared with a set bending angle. Subsequently, an agreement is established between set bending angle and actual bending angle by a renewed bending operation, by a bending-over.

Abstract translation: 在通过旋转弯曲夹头弯曲工件的方法中，弯曲部分相对于工件呈现预定的弯曲角度，为此，在第一弯曲操作中，至少一个对应的腿部应弯曲 通过旋转弯曲夹爪从工件脱离。 然后，旋转弯曲夹爪从腿部释放，并且腿部的回弹或实际弯曲角度由直接测量确定并与设定的弯曲角度进行比较。 随后，通过弯曲操作，通过更新的弯曲操作，在设定弯曲角度和实际弯曲角度之间建立一致。

公开(公告)号：US4819467A

公开(公告)日：1989-04-11

申请号：US911915

申请日：1986-09-17

Applicant: Raymond J. Graf ,  Scott D. Tucker

Inventor： Raymond J. Graf ,  Scott D. Tucker

IPC: B21D5/02 ,  G05B19/42 ,  G06F15/46

CPC classification number: B21D5/02 ,  B21D5/006 ,  G05B19/42 ,  Y10S72/702

Abstract: A computer-based control for a press brake of the type having a ram for bending a sheet metal workpiece to a desired bend angle. The control incorporates a teach mode which collects ram force and position data during the bending of one or more test workpieces and calculates from the force and position data parameters representative of the ram reversal position necessary to produce the desired bend angle. The control also incorporates a bend mode for bending a production workpiece to the desired bend angle wherein force and position data is collected during the bending of the production workpiece and is used in conjunction with the parameters calculated during the bending of the test workpieces during the teach mode to calculate the exact position of ram reversal necessary to produce the desired bend angle in the production workpiece. The control also incorporates correction of the position of ram reversal to account for ram overshoot during the bend mode.

Abstract translation: 一种用于具有用于将金属板工件弯曲成所需弯曲角度的冲头的类型的压制机的基于计算机的控制。 该控制结合了在一个或多个测试工件的弯曲期间收集冲压力和定位数据的教学模式，并且从力和位置计算表示产生所需弯曲角度所需的压头反转位置的数据参数。 该控制还包括用于将生产工件弯曲成所需弯曲角度的弯曲模式，其中在生产工件的弯曲过程中收集力和位置数据，并结合在试验工件弯曲期间计算的参数 模式来计算在生产工件中产生所需弯曲角度所需的柱塞反转的确切位置。 该控制还包括校正压头反转的位置，以解决在弯曲模式期间的压头过冲。

公开(公告)号：US4813255A

公开(公告)日：1989-03-21

申请号：US89719

申请日：1987-08-26

Applicant: John Birk ,  Heinz Breu ,  William Gong ,  Charles C. Morehouse ,  Sidney Liebes, Jr.

Inventor： John Birk ,  Heinz Breu ,  William Gong ,  Charles C. Morehouse ,  Sidney Liebes, Jr.

IPC: H05K13/02 ,  H05K13/04 ,  H05K13/08 ,  B21D7/12

CPC classification number: H05K13/0421 ,  H05K13/023 ,  H05K13/043 ,  H05K13/08 ,  Y10S72/702

Abstract: An automatic lead sensing and fine-forming system is disclosed for preparing the leads of electronic components so that they are ready to be inserted by robots into holes on printed circuit boards. The positions of the lead tips and the positions of the holes are sensed and compared to determine if any leads need to be bent. These leads are then bent and the force on the leads and their displacement are sensed and recorded during the process. The data recorded is then used for subsequent bendings, where necessary, for bending the leads to the target locations so that all the leads fit simultaneously into the holes. To simplify image processing, the lead tips are illuminated by light originating from substantially isotropic directions from locations substantially coplanar with the region of the lead tips. A telecentric lens system is used in the optical sensing of the position of the lead tips so that measurement of the distances between leads is unaffected by variations in the separation between the lead tips and the sensing device.

Abstract translation: 公开了一种用于制备电子元件引线的自动引线感测和精细成形系统，使得它们准备好被机器人插入印刷电路板上的孔中。 检测并比较引线尖端和孔的位置的位置，以确定是否需要弯曲引线。 然后，这些引线被弯曲，并且在该过程期间感测和记录引线上的力及其位移。 然后记录的数据用于随后的弯曲，在必要时，用于将引线弯曲到目标位置，使得所有引线同时并入孔中。 为了简化图像处理，引线尖端由来自基本上各向同性方向的光照射，该位置基本上与引线尖端的区域共面。 远心透镜系统用于光学感测引线尖端的位置，使得引线之间的距离的测量不受引线尖端和感测装置之间的间隔的变化的影响。

公开(公告)号：US4802357A

公开(公告)日：1989-02-07

申请号：US54893

申请日：1987-05-28

Applicant: Everett E. Jones

Inventor： Everett E. Jones

IPC: B21D5/02

CPC classification number: B21D5/02 ,  Y10S72/702

Abstract: An apparatus and a method for bending a workpiece to a predetermined angle in a brake press and automatically compensating for springback of the workpiece which has a sensing device, biased relative the workpiece, for detecting a neutral position of the workpiece corresponding to the cessation of springback motion and generating a signal in response thereto, and a device, responsive to the signal, for measuring the linear distance of springback, and for calculating an amount of overbend required to compensate for springback based on said measured linear distance of springback and the physical geometry of the workpiece. Preferably, the sensing devcie having a linear variable differential transformer having a core rod biased toward the workpiece and in opposition to the punch member of the brakepress.

Abstract translation: 一种用于在制动压力机中将工件弯曲成预定角度的装置和方法，并自动补偿具有相对于工件偏置的传感装置的工件的回弹，用于检测对应于回弹停止的工件的中间位置 运动并响应于此产生信号，以及响应于该信号的装置，用于测量回弹的线性距离，并且用于计算基于回弹的所述测量的线性距离和物理几何形状来补偿回弹所需的过度弯曲量 的工件。 优选地，感测装置具有线性可变差动变压器，其具有朝向工件偏压并与制动衬片的冲压构件相对的芯棒。

公开(公告)号：US4424727A

公开(公告)日：1984-01-10

申请号：US187311

申请日：1980-09-15

Applicant: John J. Mader

Inventor： John J. Mader

IPC: B21D37/20 ,  B21D53/88 ,  B21K5/20 ,  B21D37/10

CPC classification number: B21D37/20 ,  B21D53/883 ,  Y10S72/702

Abstract: A method for making a metal stamping die suitable for use in forming sheet metal reflectors for photographic use. The structure of the metal stamping die is made in the manner of the method to compensate for spring-back characteristics of a material used to form a reflector by first constructing a test die which has a predetermined shape related to the desired reflector shape. A comparison is then made between a test workpiece made with the test die and the desired reflector shape to determine the die shape that produces a corresponding portion of the reflector shape. Finally, another die is constructed by shaping it in accordance with the comparison to obtain a final die shape that will acceptably produce the desired reflector shape.

Abstract translation: 一种用于制造用于形成用于照相用途的金属板反射器的金属冲压模具的方法。 金属冲压模具的结构是通过首先构造具有与期望的反射器形状相关的预定形状的测试模具来补偿用于形成反射体的材料的弹回特性的方法。 然后，在由试验片制成的试验工件与所需的反射器形状之间进行比较，以确定产生反射器形状的相应部分的模具形状。 最后，通过根据比较对其进行成型来构造另一个模具，以获得可接受地产生所需反射器形状的最终模具形状。