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    Three-jaw chuck for a lathe
    51.
    发明授权
    Three-jaw chuck for a lathe 失效
    用于车床的三爪卡盘

    公开(公告)号：US4771933A

    公开(公告)日：1988-09-20

    申请号：US68832

    申请日：1987-06-30

    Applicant: Gunter H. Rohm

    Inventor： Gunter H. Rohm

    IPC: B23B5/18 ,  B23B5/22 ,  B23B31/10 ,  B23B31/16 ,  B23B31/167 ,  B23Q11/00 ,  B23B31/14

    CPC classification number: B23B31/10 ,  B23B5/18 ,  B23Q11/0035 ,  Y10T279/14 ,  Y10T279/19 ,  Y10T279/243

    Abstract: The chuck clamps a workpiece on a clamping axis eccentric to the rotation axis of the chuck. The spacing between the rotation axis and the clamping axis parallel to it can be varied along a radial axis spacing line going through the rotation axis. One jaw has a clamping surface which intersects the axis spacing plane going through the rotation axis on the axis spacing line perpendicular to the axis spacing line and is adjustable along the axis spacing line. The other jaws opposite this one jaw are adjustably mounted in guides inclined symmetrically about the axis spacing plane and are jointly centrally drivable. The first jaw and both other jaws are adjustable independently of each other. Each of the other jaws has a planar clamping surface perpendicular to its guide direction. The first jaw which does not participate in the clamping process exists to change the axis spacing. It is formed as a revolving disk which is rotatably mounted in the chuck body with the revolving disk axis parallel to the rotation axis, is drivable stepwise in the rotation direction and can be fixed in a plurality of different rotary positions. A plurality of clamping surfaces are located at several places along the circumference of the revolving disk with radial spacing from the revolving disk axis. These clamping surfaces are correlated with the allowed rotary positions of the revolving disk so that one of the clamping surfaces can be positioned opposite the jaws guided in the inclined guides in each rotary position.

    Abstract translation: 卡盘夹紧在与卡盘的旋转轴线偏心的夹紧轴上的工件。 旋转轴线和平行于其的夹紧轴线之间的间距可以沿着经过旋转轴线的径向轴线间距线变化。 一个钳口具有夹紧表面，该夹紧表面与穿过轴线间隔线上的旋转轴线的轴线平面相交，该轴线间隔线垂直于轴线间距线，并且可沿轴线间距线调节。 与该一个钳口相对的其他钳口可调节地安装在围绕轴线间隔平面对称地倾斜并且共同地可中心驱动的导轨中。 第一颚和两个颌彼此独立地调节。 每个其它钳口具有垂直于其引导方向的平面夹紧表面。 不参与夹紧过程的第一个钳口存在以改变轴间距。 它形成为可旋转地安装在卡盘体中的旋转盘，其旋转盘轴线平行于旋转轴线，可沿旋转方向逐步驱动并且可以固定在多个不同的旋转位置。 多个夹紧表面位于旋转盘的圆周的几个位置处，与旋转盘轴线径向间隔开。 这些夹紧表面与旋转盘的允许的旋转位置相关联，使得一个夹紧表面可以在每个旋转位置中与在倾斜导向件中引导的爪相对。

    Machine tool for machining crankshafts and control system for the machine tool
    52.
    发明授权
    Machine tool for machining crankshafts and control system for the machine tool 失效
    机床加工机床和机床控制系统

    公开(公告)号：US4375670A

    公开(公告)日：1983-03-01

    申请号：US279240

    申请日：1981-07-01

    Applicant: Johanna Kralowetz ,  Manfred Tischler

    Inventor： Johanna Kralowetz ,  Manfred Tischler

    IPC: B23B5/18

    CPC classification number: B24B5/42 ,  B23B5/18 ,  B23B2220/52 ,  Y10T82/19

    Abstract: A machine tool and its associated control system has workpiece holding me which are mounted on a frame for rotation about a fixed axis and are adapted to support and to be fixedly connected to a workpiece, such as a crankshaft, centered on that axis. The machine tool further has a tool carriage which is slidably mounted on the frame for displacement in a direction which is transverse to the rotational axis; first drive means which serve to impart angular rotation to the workpiece holding means about the axis; second drive means which serve to displace the tool carriage in the transverse direction; and electronic control means for controlling the first and second drive means so that the desired angular rotation and transverse displacement are performed with a predetermined, generally nonlinear relationship to each other. The electronic control means include a first controller operatively connected to the first drive means causing it to impart a desired angular rotation to the workpiece holding means; a second controller operatively connected to the second drive means and adapted to control the transverse displacement; and means for determining points of inflection and characteristic values defining a series of linear approximations of the generally nonlinear relationship, and interpolating means operable to provide reference inputs to the two controllers.

    Abstract translation: 机床及其相关联的控制系统具有工件保持装置，其安装在框架上以围绕固定轴线旋转，并且适于支撑并固定地连接到以该轴为中心的工件（例如曲轴）。 机床还具有可滑动地安装在框架上用于沿横向于旋转轴线的方向移位的工具托架; 第一驱动装置，其用于赋予工件保持装置围绕轴线的角度旋转; 第二驱动装置，其用于使工具架沿横向移动; 以及电子控制装置，用于控制第一和第二驱动装置，使得以预定的，大致非线性的关系彼此执行期望的角度旋转和横向位移。 电子控制装置包括可操作地连接到第一驱动装置的第一控制器，使其向工件保持装置施加期望的角度旋转; 第二控制器，可操作地连接到第二驱动装置，并且适于控制横向位移; 以及用于确定拐点和确定一般非线性关系的一系列线性近似的特征值的装置，以及用于向两个控制器提供参考输入的内插装置。

    Machine tool with offset compensation
    53.
    发明授权
    Machine tool with offset compensation 失效
    带偏置补偿的机床

    公开(公告)号：US4297926A

    公开(公告)日：1981-11-03

    申请号：US127778

    申请日：1980-03-06

    Applicant: Peter Russ ,  Heinz Jansen

    Inventor： Peter Russ ,  Heinz Jansen

    IPC: B23B5/18 ,  B24B5/42 ,  B24B5/00

    CPC classification number: B23B5/18 ,  B24B5/42 ,  Y10T82/19

    Abstract: A machine tool for maching of crankpins on crankshafts, or of similarly ts-axially offset portions of other types of workpieces, includes an arrangement for indexing the workpiece to a plurality of different positions to place new crankpins in position for machining without having to unclamp the workpiece or stop its rotation. Indexing accuracy is greatly improved and all indexing-related operations are powered by the prime mover of the machine tool rather than requiring separate drives.

    Abstract translation: 用于对曲轴上的曲柄销进行加工的机床或其他类型的工件的类似的轴向偏移部分的机床包括用于将工件分度到多个不同位置的装置，以将新的曲柄销放置在适当位置用于机加工而不必松开 工件或停止其旋转。 索引精度大大提高，所有与索引相关的操作由机床的原动机供电，而不是要求单独的驱动器。

    Internal milling machine for milling crank pins
    54.
    发明授权
    Internal milling machine for milling crank pins 失效
    用于铣削曲柄销的内铣床

    公开(公告)号：US4171654A

    公开(公告)日：1979-10-23

    申请号：US883809

    申请日：1978-03-06

    Applicant: David L. Kreucher

    Inventor： David L. Kreucher

    IPC: B23B5/18 ,  B23C3/06 ,  B23Q5/34 ,  B23Q16/06

    CPC classification number: B23C3/06 ,  B23B5/18 ,  B23Q16/06 ,  B23Q5/341 ,  B23B2220/52 ,  B23C2210/503 ,  B23C2260/88 ,  Y10T409/307 ,  Y10T409/307056 ,  Y10T82/19 ,  Y10T82/2527

    Abstract: The machine of the present invention is an internal milling machine designed to mill the crank pins and crank arm cheeks of heavy crankshafts to precise dimensions. By relatively simply substitutions of gage blocks, the machine is capable of milling crankshafts having a wide range of crankshaft throw and pin diameters. An internal milling cutter is mounted on the machine frame for operation within a general plane which is stationary with respect to the machine frame, the crank pins to be milled being axially and rotatively indexed in succession to a fixed position in operative relationship with the internal milling cutter. The crankshaft is supported at its opposite ends by chucks mounted in a headstock and a tail-stock which are rigidly coupled to each other by tie-rods for simultaneous axial indexing movement.

    Abstract translation: 本发明的机器是一种内铣床，设计用于将曲轴销和曲柄臂的曲臂的颊部铣削到精确的尺寸。 通过相对简单地替换量具块，机器能够铣削具有宽范围的曲轴镦粗和销直径的曲轴。 内部铣刀安装在机架上，用于在相对于机架静止的一般平面内操作，要铣削的曲柄销轴向和旋转地分度连接到与内铣相关的固定位置 刀具。 曲轴在其相对端被支撑在安装在主轴箱和尾架中的卡盘中，这些卡盘通过拉杆彼此刚性连接，用于同时轴向分度运动。

    Method for machining the stroke bearings and line bearings of a crank shaft
    55.
    发明授权
    Method for machining the stroke bearings and line bearings of a crank shaft 失效
    用于加工起重机轴承的滚动轴承和线轴承的方法

    公开(公告)号：US3590469A

    公开(公告)日：1971-07-06

    申请号：US3590469D

    申请日：1969-10-16

    Applicant: HANS GUNTHER ROHS

    Inventor： ROHS HANS GUNTHER

    IPC: B24B5/42 ,  B23B5/18 ,  B23P13/04

    CPC classification number: B23B5/18 ,  Y10T29/17

    Abstract: The line bearings and stroke bearings of a crankshaft are machined consecutively starting with the line bearing adjacent to one end of the crankshaft and proceeding bearing by bearing towards the other end of the crankshaft. In this operation the section of the crankshaft between the bearing in cutting engagement with the tool or tools and the other end of the crankshaft is left radially unsupported and free to undergo any deformation that may result from the removal of stock by the tools, whereas the other section of the crankshaft including the bearing machined in the preceding operation is held by engagement with suitable clamping means. As a result of this method any distortion of the character just explained is eliminated by the subsequent machining operation and the end product is free from any deformation. Therefore, it is no longer necessary, as heretofore, to subject the crankshaft after the roughing operation to a truing and finishing operation before the heat treatment and the grinding.

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