Method and apparatus for making piston rings
    1.
    发明授权
    Method and apparatus for making piston rings 失效
    制造活塞环的方法和装置

    公开(公告)号:US4856105A

    公开(公告)日:1989-08-08

    申请号:US99951

    申请日:1987-09-23

    摘要: A method of making self-tensioning rings, including the steps of circumferentially machining an out-of-round ring blank on inner and outer surfaces thereof and subsequently cutting a ring segment out of the ring for obtaining a ring gap therein; measuring a circumferential contour of the ring subsequent to the machining step; and calculating the circumferential length of the ring segment and a cutting angle for removing the ring segment from the ring as a function of data obtained in the measuring step.

    摘要翻译: 一种制造自张紧环的方法,包括以下步骤:在其内表面和外表面上周向加工不圆形的环坯,随后将环段从环中切出以获得环间隙; 在所述加工步骤之后测量所述环的圆周轮廓; 以及根据在测量步骤中获得的数据,计算环段的周长和用于从环中去除环段的切割角度。

    Method and apparatus for machining the circumference of out-of-round
workpieces, particularly piston rings
    2.
    发明授权
    Method and apparatus for machining the circumference of out-of-round workpieces, particularly piston rings 失效
    用于加工异形工件,特别是活塞环的圆周的方法和装置

    公开(公告)号:US4679472A

    公开(公告)日:1987-07-14

    申请号:US809871

    申请日:1985-12-17

    摘要: Machining the circumferences of workpieces, particularly piston rings, in a variety of out-of-round contours and diameters requires only a single copying disc having a basic out-of-round contour. The copying disc is driven in synchronism with the angle of rotation alpha of piston rings to be machined by a direct current servomotor and, in order to generate the desired out-of-round contour, is caused to deviate from its synchronous movement by pulses received from a computer for the leading and lagging difference angles of rotation delta phi. An adjustable coupling member is provided between a copying disc sensor (such as a double lever) and the tool holder for transferring the out-of-round contour from the copying disc to the workpiece.

    摘要翻译: 以各种不圆形轮廓和直径加工工件,特别是活塞环的周长只需要一个具有基本不圆形轮廓的单个复印盘。 复制盘与通过直流伺服电动机加工的活塞环的旋转角α同步地驱动,并且为了产生期望的不圆形轮廓,使得通过接收到的脉冲偏离其同步运动 从计算机的前导和滞后的差异角度角度phi。 在复印盘传感器(例如双杠杆)和工具架之间设置有可调节的联接构件,用于将来自复印盘的不圆形轮廓传送到工件。

    Method for the fine machining of piston rings and apparatus for carrying
out same
    3.
    发明授权
    Method for the fine machining of piston rings and apparatus for carrying out same 失效
    活塞环精加工方法及其执行装置

    公开(公告)号:US5775978A

    公开(公告)日:1998-07-07

    申请号:US683217

    申请日:1996-07-18

    摘要: A method and tool for fine machining an outside circumferential surface of radially outwardly expanded, ring-shaped workpieces having respective holes therein, the workpieces being combined to form a stack. The tool includes a clamping arrangement for clamping the stack; a pair of segments disposed adjacent the clamping arrangement, each of the segments having a segment surface defining a predetermined radius of curvature corresponding approximately to a nominal radius of curvature of each of the workpieces; and a grinding belt arrangement disposed adjacent the segment surfaces. The segments are moved into a processing position wherein the radii of curvature of respective ones of the segment surfaces share a common center point, the step of moving the segments including the step of advancing the segments toward the stack such that the grinding belt arrangement is brought into grinding contact with the stack and thereby assumes a contour of the segment surfaces. The stack is thereafter moved relative to the grinding belts. The segments are kept in their processing position during the step of moving the stack.

    摘要翻译: 一种用于对其中具有相应孔的径向向外扩张的环形工件的外周表面进行精加工的方法和工具,所述工件被组合以形成堆叠。 该工具包括夹紧堆叠的夹紧装置; 设置在所述夹紧装置附近的一对段,每个所述段具有限定预定曲率半径的段表面,所述预定曲率半径大致对应于每个所述工件的标称曲率半径; 以及设置在所述分段表面附近的研磨带装置。 段被移动到处理位置,其中相应的段表面的曲率半径共享共同的中心点,移动段的步骤包括将段前进到堆叠的步骤,使得研磨带布置被带入 与堆叠进行研磨接触,从而呈现分段表面的轮廓。 此后,堆叠相对于研磨带移动。 在移动堆叠的步骤期间,段被保持在其处理位置。