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    • 12. 发明授权
    • Thermoplastic welding
    • 热塑性焊接
    • US5660669A
    • 1997-08-26
    • US352991
    • 1994-12-09
    • John A. Mittleider
    • John A. Mittleider
    • B29C65/00B29C65/36B32B31/00
    • B29C66/80B29C65/364B29C65/3648B29C65/3668B29C66/1122B29C66/301B29C66/524B29C66/5326B29C66/721B29C66/73921B29C66/81811B29C66/836B29C66/91221B29C66/91411B29C66/91431B29C66/91645B29C66/91651B29C66/91655B29C66/9241B29C66/934B29C66/961B29C65/3676B29C66/929B29C66/939
    • An apparatus for thermoplastic welding together by fusion bonding, an assembly of composite parts, each having a resin-rich thermoplastic surface layer, along bond lines containing a conductive susceptor, includes a weld skate that can be moved along guiding and supporting tooling over the bond line to effect the weld. The skate has an induction work coil and two pressure pads, one on each side of the coil in its direction of motion in operation, for applying pressure to the parts while said induction work coil induces eddy currents in the susceptor to heat the susceptor by resistive heating and melt the thermoplastic surface layers. The skate has bearings projecting from its side into cam grooves machined into the sides of the tooling for guiding and supporting the skate during welding by the induction work coil. The tooling, which supports the parts during welding as well as guiding the skate, includes several sets of spaced-apart parallel plates forming between them a slot dimensioned to receive the skate while the skate is supported and guided by engagement of the projecting bearings into the cam grooves, and the forces exerted by the skate pressure pads on the parts are reacted through the tooling by the projecting bearings in the tooling cam grooves. A floor assembly jig includes a box frame having end and intermediate support structures for supporting the tooling parallel to the plane of the box frame. The skate is coupled to a motive having a servomotor and a loop of chain trained around two spaced sprockets for moving the skate at a controlled speed along the tooling over the susceptors in the bond line while the inductive work coil generates eddy currents in the susceptor to heat the thermoplastic in the bond line, and the pressure pads press the parts together to facilitate fusion bonding of the faying thermoplastic surface layers on the parts.
    • 一种用于通过熔接结合热塑性焊接在一起的装置,每个具有富含树脂的热塑性表面层的复合部件的组合沿着包含导电基座的粘合线包括可沿引导和支撑工具移动的焊接溜冰板 线来影响焊缝。 溜冰鞋具有感应加工线圈和两个压力垫,其中一个在线圈的每一侧在其运行方向上运动,用于向部件施加压力,同时所述感应工作线圈在基座中感应涡流以通过电阻加热感受器 加热和熔化热塑性表面层。 溜冰鞋具有从其侧面突出的凸轮槽,其加工成工具的侧面,用于在由感应工作线圈焊接期间引导和支撑溜冰鞋。 在焊接期间支撑部件以及引导滑冰板的工具包括几组间隔开的平行板,它们在它们之间形成一个狭槽,其尺寸被设计成接收溜冰鞋,同时溜冰鞋被支撑并通过突出轴承的啮合被引导到 凸轮槽,并且由滑板压力垫施加在部件上的力通过工具通过工具凸轮槽中的突出轴承反作用。 地板组装夹具包括具有用于支撑平行于盒框平面的工具的端部和中间支撑结构的盒框架。 溜冰鞋与具有伺服电动机的链轮和围绕两个相互间隔的链轮训练的链条的动力联动,用于沿着工具在接合线上的基座上以受控的速度移动溜冰鞋,而感应工作线圈在基座中产生涡流 在接合线中加热热塑性塑料,并且压力垫将部件压在一起,以便于部件上的热塑性表面层的熔合。
    • 19. 发明授权
    • Apparatus and method for bearing a tool against a workpiece
    • 用于将工具支撑在工件上的装置和方法
    • US07950563B2
    • 2011-05-31
    • US12164466
    • 2008-06-30
    • John R. HullJohn A. Mittleider
    • John R. HullJohn A. Mittleider
    • B23K20/12
    • B23Q5/06B23K20/1295
    • An apparatus for bearing a tool against a workpiece includes: (a) a pneumatically driven motor unit rotating a drive shaft substantially about a longitudinal drive axis; (b) a process shaft coupled with the drive shaft for rotating the tool substantially about a longitudinal process axis; (c) a flywheel coupled with one shaft of the drive shaft and the process shaft; and (d) at least one urging unit coupled with at least one of the motor unit and the process shaft. The urging unit moves the tool with respect to the workpiece. The flywheel and the one shaft impart inertial rotational energy to the tool after the pneumatic motor achieves a predetermined rotational speed.
    • 用于将工具承载在工件上的装置包括:(a)气动驱动的马达单元,其基本上围绕纵向驱动轴线旋转驱动轴; (b)与所述驱动轴联接的工作轴,用于使所述工具基本上围绕纵向过程轴线旋转; (c)与所述驱动轴和所述处理轴的一个轴联接的飞轮; 和(d)与所述马达单元和所述加工轴中的至少一个联接的至少一个推动单元。 推动单元相对于工件移动工具。 在气动马达达到预定旋转速度之后,飞轮和一个轴向工具传递惯性旋转能量。