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    • 71. 发明申请
    • METHOD AND APPARATUS FOR MANUFACTURING STRUCTURES WITH IMPROVED FATIGUE LIFE
    • 用于制造具有改进的疲劳寿命的结构的方法和装置
    • WO01058617A1
    • 2001-08-16
    • PCT/US2001/004240
    • 2001-02-09
    • F16B19/06B21D22/04B21J5/02B21J15/00B21J15/10B23P9/04C21D7/02B21D28/00
    • B23P9/025B21C23/001B21J1/025B21J15/00B21J15/10B23P9/04C21D7/02C21D2221/00
    • A compound indenter (18) for metal coldwork, and a method of employing such tooling. The compound indenter tool (18) is used to produce deformation in a workpiece structure (30), to provide a selected beneficial residual stress profile in the workpiece (30), in order to provide high fatigue life structures in a minimum number of manufacturing steps. Preferably, action of a compound indenter (18) causes deformation of the workpiece, causing dimples in the workpiece. An improved, compound indenter tool profile shape is described, having a first, elongate indenter (20) with a shaped indenter surface portion, and a second shaped indenter (22) surrounding the first indenter and forming an annular shoulder (44) recessed from the surface portion of the first indenter. Additionally, a foot (60) having a bottom portion (80) can be used to confiningly surround the second indenter during application of force to the surface of a workpiece, to prevent surface deformation.
    • 用于金属冷加工的复合压头(18)以及采用这种工具的方法。 复合压头工具(18)用于在工件结构(30)中产生变形,以在工件(30)中提供选定的有益的残余应力轮廓,以便在最少数量的制造步骤中提供高疲劳寿命结构 。 优选地,化合物压头(18)的作用导致工件变形,导致工件中的凹坑。 描述了改进的复合压头工具轮廓形状,其具有带有成形压头表面部分的第一细长压头(20)和围绕第一压头的第二成形压头(22),并且形成从 第一压头的表面部分。 此外,具有底部(80)的脚(60)可以用于在对工件的表面施加力期间限制地围绕第二压头,以防止表面变形。
    • 73. 发明申请
    • AUTOMATIC FASTENING MACHINE AND METHOD
    • 自动紧固机及方法
    • WO9961205A9
    • 2000-02-10
    • PCT/US9911827
    • 1999-05-27
    • GEN ELECTRO MECH CORP
    • ROBERTS BRADLEY MKELLNER ROBERT JBURNS THOMAS EKUBANEK KURT R
    • B21J15/10B25B
    • B21J15/10Y10T29/49764Y10T29/49998Y10T29/5343Y10T29/53826Y10T29/53974
    • An automatic fastening machine and method which reduces fastener installation cycle time by virtue of unique tool movements, pressure foot operation and other features. The pressure foot plate is coupled to actuators for moving the same in a manner allowing tilting of the plate relative to the plane of the workpiece during movement from one fastener installation location to another. The actuators are independently operated by a servo control arrangement in conjunction with the machine control. As a result, it is not necessary for the system to seek a new down position thereby saving machine cycle time. Sensors operatively associated with the actuators in conjunction with the machine control cause movement of the pressure foot plate in reaction to force applied to the workpiece during fastener installation to maintain the workline established by the position of the workpiece prior to application of force. The clamp of the lower ram is driven positively during both upward and downward strokes so as to save cycle time. The lower ram tool is rotated in a manner which does not interfere with other components on the lower ram assembly. A new and improved slug riveting process also is provided by the machine and method.
    • 一种自动紧固机和方法,其通过独特的工具移动,压脚操作和其它特征减少紧固件安装周期时间。 压力脚板联接到致动器,用于在从一个紧固件安装位置移动到另一个紧固件安装位置期间允许板相对于工件的平面倾斜的方式移动。 致动器通过与机器控制结合的伺服控制装置独立地操作。 结果,系统不需要寻找新的下降位置,从而节省机器周期时间。 与致动器可操作地与机器控制相关联的传感器引起压力脚板的移动,以反应在紧固件安装期间施加到工件上的力,以在施加力之前保持由工件的位置确定的工作线。 下冲杆的夹具在向上和向下冲程期间被积极地驱动,以节省循环时间。 下冲头工具以不会干扰下冲头组件上的其他部件的方式旋转。 机器和方法也提供了一种新的改进的插芯铆接工艺。
    • 75. 发明申请
    • TOOL FOR PUNCHING AND RIVETING
    • 用于打孔和拉动的工具
    • WO98040179A1
    • 1998-09-17
    • PCT/US1998/000756
    • 1998-01-09
    • B21J15/10B21J15/50
    • B21J15/10B21J15/025Y10T29/53774
    • A combination punch and rivet tool, the tool being adapted to be mounted on the end of a robot arm, the tool comprising a C frame (30) having two opposed sides (34, 38), a punch die (42) mounted on one side (34) of the C frame, an anvil (46) slidably mounted on said one side (34) adjacent the punch die (42) and selectively movable between a first position away from the punch die (42) and a second position over the punch die (42), and a combination cylinder (54) mounted on the other side (38) of the C frame opposite the punch die (42), the combination cylinder (54) comprising a coaxial inner punch (58) and an outer rivet forming tool (62).
    • 一种组合冲头和铆钉工具,该工具适于安装在机器人手臂的端部上,该工具包括具有两个相对侧面(34,38)的C框架(30),安装在一个机架臂上的冲模(42) C形框架的侧面(34),与所述冲模(42)相邻的所述一侧(34)可滑动地安装的砧座(46),并且可选择性地在远离所述冲模(42)的第一位置和第二位置之间移动 冲头模具(42)和安装在与冲模(42)相对的C框架的另一侧(38)上的组合圆筒(54),组合圆筒(54)包括同轴内冲头(58)和 外铆钉成形工具(62)。