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    • 1. 发明授权
    • Apparatus for machining a workpiece to non-revolute symmetric and
aspherical surface
    • 用于将工件加工成非旋转对称和非球面的装置
    • US5711696A
    • 1998-01-27
    • US429639
    • 1995-04-27
    • Yukio MaedaTakao TaniguchiTetsuji Oasaka
    • Yukio MaedaTakao TaniguchiTetsuji Oasaka
    • B24B49/12B24B13/00B24B13/06B24B49/18B24B53/00B24B53/053B24B53/065G05B19/18B24B49/00B24B51/00
    • G05B19/184B24B13/06B24B49/18B24B53/053G05B2219/37208G05B2219/37345G05B2219/45157G05B2219/45159G05B2219/50063
    • An apparatus for machining a workpiece which has a non-revolute symmetrical and aspherical surface with a rotating grinding wheel. The apparatus comprises a workpiece supporting member supporting the workpiece and a wheel head providing the grinding wheel an outer peripheral surface of which takes a form of a part of a spherical shape. The workpiece and the grinding wheel are relatively moved by a first drive mechanism in an infeed direction, the workpiece supporting member and the wheel head are relatively moved by a second drive mechanism in a traverse feed direction perpendicular to the infeed direction, and the workpiece supporting member and the wheel head are relatively moved by a third drive mechanism in a pitch feed direction perpendicular to both of the infeed direction and the traverse feed direction. A truing device is moved by the second drive mechanism in the traverse feed direction relative to the grinding wheel, and has a truing element rotatable about an axis perpendicular to a rotational axis of the grinding wheel through a spherical center thereof. The first, second and third drive mechanisms are controlled by a control device based upon the aspherical shape data for the workpiece.
    • 一种用旋转研磨轮加工具有非旋转对称和非球面的工件的装置。 该装置包括支撑工件的工件支撑构件和提供砂轮的轮头,其外周表面呈球形的一部分的形式。 工件和砂轮通过第一驱动机构在进给方向相对移动,工件支撑构件和砂轮头在垂直于进给方向的横动进给方向上被第二驱动机构相对移动,并且工件支撑 构件和轮头在垂直于进给方向和横动进给方向两者的俯仰进给方向上被第三驱动机构相对移动。 修整装置通过第二驱动机构在相对于砂轮的横向进给方向上移动,并且具有通过其球面中心围绕与砂轮的旋转轴线垂直的轴线旋转的修整元件。 第一,第二和第三驱动机构由基于工件的非球面形状数据的控制装置控制。