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    • 1. 发明授权
    • Method and apparatus for machning V grooves
    • 用于加工V形槽的方法和装置
    • US08215211B2
    • 2012-07-10
    • US12503970
    • 2009-07-16
    • Takanobu AkiyamaSatoshi KatoHiroyuki KakishimaSumihisa Kondou
    • Takanobu AkiyamaSatoshi KatoHiroyuki KakishimaSumihisa Kondou
    • B23B5/36B23B1/00
    • B23B1/00B23B3/162B23B27/20B23B2220/12Y10T82/10Y10T82/13Y10T82/2502
    • There is provided a V-groove machining method and apparatus which, by measuring the depth of a V groove cut by a cutting tool and correcting the cutting depth of the cutting tool based on the measurement data, enables high precision machining of four-sided pyramids having vertices of a uniform height. The V-groove machining method includes the steps of: feeding a cutting tool relative to a workpiece in a first direction to create a first V groove, extending in the first direction, in the surface of the workpiece, and repeating this machining operation to create first V grooves at a predetermined pitch; moving the cutting tool along one of the first V grooves and scanning the first V groove with a distance sensor, disposed near the cutting tool, to measure the distance to the bottom of the first V groove, thereby detecting undulation of the bottom of the first V groove along the first direction; and feeding the cutting tool relative to the workpiece in a second direction orthogonal to the first direction to create a second V groove in the surface of the workpiece, and repeating this machining operation while correcting the position of the cutting tool in the machining position for each second V groove based on the results of detection of the undulation, thereby creating second V grooves at a predetermined pitch.
    • 提供了一种V槽加工方法和装置,通过测量由切削工具切割的V槽的深度,并且基于测量数据校正切削刀具的切削深度,能够实现四边锥体的高精度加工 具有均匀高度的顶点。 V槽加工方法包括以下步骤:在第一方向上相对于工件进给切削工具,以在工件的表面中产生在第一方向上延伸的第一V形槽,并重复该加工操作以产生 第一V槽以预定间距; 沿着所述第一V槽中的一个槽移动所述切削工具,并且设置在所述切削工具附近的距离传感器扫描所述第一V槽以测量到所述第一V槽的底部的距离,从而检测所述第一V槽的底部的起伏 V槽沿第一方向; 并且在与所述第一方向正交的第二方向上相对于所述工件进给所述切削工具,以在所述工件的表面中产生第二V形槽,并且在每个所述加工位置校正所述切削工具在所述加工位置中的位置的同时重复该加工操作 基于波动检测结果的第二V槽,从而以预定间距产生第二V槽。
    • 2. 发明申请
    • METHOD AND APPARATUS FOR MACHNING V GROOVES
    • 用于机械加工的方法和装置
    • US20100011920A1
    • 2010-01-21
    • US12503970
    • 2009-07-16
    • Takanobu AKIYAMASatoshi KatoHiroyuki KakishimaSumihisa Kondou
    • Takanobu AKIYAMASatoshi KatoHiroyuki KakishimaSumihisa Kondou
    • B23B1/00B23B5/36B23B7/00
    • B23B1/00B23B3/162B23B27/20B23B2220/12Y10T82/10Y10T82/13Y10T82/2502
    • There is provided a V-groove machining method and apparatus which, by measuring the depth of a V groove cut by a cutting tool and correcting the cutting depth of the cutting tool based on the measurement data, enables high precision machining of four-sided pyramids having vertices of a uniform height. The V-groove machining method includes the steps of: feeding a cutting tool relative to a workpiece in a first direction to create a first V groove, extending in the first direction, in the surface of the workpiece, and repeating this machining operation to create first V grooves at a predetermined pitch; moving the cutting tool along one of the first V grooves and scanning the first V groove with a distance sensor, disposed near the cutting tool, to measure the distance to the bottom of the first V groove, thereby detecting undulation of the bottom of the first V groove along the first direction; and feeding the cutting tool relative to the workpiece in a second direction orthogonal to the first direction to create a second V groove in the surface of the workpiece, and repeating this machining operation while correcting the position of the cutting tool in the machining position for each second V groove based on the results of detection of the undulation, thereby creating second V grooves at a predetermined pitch.
    • 提供了一种V槽加工方法和装置,通过测量由切削工具切割的V槽的深度,并且基于测量数据校正切削刀具的切削深度,能够实现四边锥体的高精度加工 具有均匀高度的顶点。 V槽加工方法包括以下步骤:在第一方向上相对于工件进给切削工具,以在工件的表面中产生在第一方向上延伸的第一V形槽,并重复该加工操作以产生 第一V槽以预定间距; 沿着所述第一V槽中的一个槽移动所述切削工具,并且设置在所述切削工具附近的距离传感器扫描所述第一V槽以测量到所述第一V槽的底部的距离,从而检测所述第一V槽的底部的起伏 V槽沿第一方向; 并且在与所述第一方向正交的第二方向上相对于所述工件进给所述切削工具,以在所述工件的表面中产生第二V形槽,并且在每个所述加工位置校正所述切削工具在所述加工位置中的位置的同时重复该加工操作 基于波动检测结果的第二V槽,从而以预定间距产生第二V槽。
    • 3. 发明申请
    • CUTTING-EDGE POSITION DETECTING METHOD AND CUTTING-EDGE POSITION DETECTING APPARATUS
    • 切割边缘位置检测方法和切割边缘位置检测装置
    • US20100242693A1
    • 2010-09-30
    • US12749540
    • 2010-03-30
    • Takanobu AkiyamaHiroyuki Kakishima
    • Takanobu AkiyamaHiroyuki Kakishima
    • B23B7/00
    • B23Q17/24B23Q17/09B23Q17/0928B23Q17/22
    • The cutting-edge position detecting method includes the steps of: under a condition in which the cutting edge of the tool is positioned in an image that is taken by a camera, performing first sampling scanning operations for the image in a predetermined scanning direction at predetermined first intervals, and recognizing points on an upper edge line of the cutting edge of the tool and points on a lower edge line thereof, based on brightness changing points upon the first scanning operations; connecting the recognized points on the respective two edge lines, so as to obtain two first-level approximate linear lines by a least-squares method; performing second sampling scanning operations for the respective two first-level approximate linear lines in directions perpendicular thereto at predetermined second intervals, and newly recognizing points on the upper edge line of the cutting edge of the tool and points on the lower edge line thereof, based on brightness changing points upon the second scanning operations; connecting the newly recognized points on the respective two edge lines, so as to obtain two second-level approximate linear lines by a least-squares method; and obtaining a coordinate of an intersection of the second-level approximate linear lines, as the position of the cutting edge of the tool, with respect to the measurement reference point.
    • 前端位置检测方法包括以下步骤:在工具的切割刃位于照相机拍摄的图像中的条件下,以预定的扫描方向对图像执行第一采样扫描操作, 第一间隔,并且基于第一扫描操作时的亮度变化点,识别工具的切割边缘的上边缘线上的点并在其下边缘线上指向点; 连接相应的两条边缘线上的识别点,以便通过最小二乘法获得两条第一级近似线性线; 对于相应的两个第一级近似线性线在与其垂直的方向上以预定的第二间隔执行第二采样扫描操作,以及新识别工具的切割边缘的上边缘线上的点和其下边缘线上的点 在第二次扫描操作时亮度变化点; 连接相应的两条边缘线上的新识别点,以便通过最小二乘法获得两个二级近似线性线; 并且获得作为工具的切削刃的位置的第二级近似线性线的相对于测量基准点的坐标。
    • 4. 发明授权
    • Cutting-edge position detecting method and cutting-edge position detecting apparatus
    • 尖端位置检测方法和前端位置检测装置
    • US08522654B2
    • 2013-09-03
    • US12749540
    • 2010-03-30
    • Takanobu AkiyamaHiroyuki Kakishima
    • Takanobu AkiyamaHiroyuki Kakishima
    • B23B1/00B23B25/00
    • B23Q17/24B23Q17/09B23Q17/0928B23Q17/22
    • The cutting-edge position detecting method includes the steps of: under a condition in which the cutting edge of the tool is positioned in an image that is taken by a camera, performing first sampling scanning operations for the image in a predetermined scanning direction at predetermined first intervals, and recognizing points on an upper edge line of the cutting edge of the tool and points on a lower edge line thereof, based on brightness changing points upon the first scanning operations; connecting the recognized points on the respective two edge lines, so as to obtain two first-level approximate linear lines by a least-squares method; performing second sampling scanning operations for the respective two first-level approximate linear lines in directions perpendicular thereto at predetermined second intervals, and newly recognizing points on the upper edge line of the cutting edge of the tool and points on the lower edge line thereof, based on brightness changing points upon the second scanning operations; connecting the newly recognized points on the respective two edge lines, so as to obtain two second-level approximate linear lines by a least-squares method; and obtaining a coordinate of an intersection of the second-level approximate linear lines, as the position of the cutting edge of the tool, with respect to the measurement reference point.
    • 前端位置检测方法包括以下步骤:在工具的切割刃位于照相机拍摄的图像中的条件下,以预定的扫描方向对图像执行第一采样扫描操作, 第一间隔,并且基于第一扫描操作时的亮度变化点,识别工具的切割边缘的上边缘线上的点并在其下边缘线上指向点; 连接相应的两条边缘线上的识别点,以便通过最小二乘法获得两条第一级近似线性线; 对于相应的两个第一级近似线性线在与其垂直的方向上以预定的第二间隔执行第二采样扫描操作,以及新识别工具的切割边缘的上边缘线上的点和其下边缘线上的点 在第二次扫描操作时亮度变化点; 连接相应的两条边缘线上的新识别点,以便通过最小二乘法获得两个二级近似线性线; 并且获得作为工具的切削刃的位置的第二级近似线性线的相对于测量基准点的坐标。
    • 5. 发明授权
    • Grinding machine having the function of measuring distance
    • 具有测量距离功能的磨床
    • US08494671B2
    • 2013-07-23
    • US13035220
    • 2011-02-25
    • Takanobu AkiyamaHiroyuki Kakishima
    • Takanobu AkiyamaHiroyuki Kakishima
    • G06F19/00G01B9/02G01B11/02H04N7/18G02B7/04G05B19/10G05B19/29
    • B24B49/12
    • The invention relates to a grinding machine for grinding a workpiece, which has been set on a chuck top surface, by moving a rotating grinding wheel in relation to the workpiece. The grinding machine includes: a microscope configured to be vertically movable; a CCD camera configured to take an image viewed through the microscope; and an image processor configured to process the image taken by the CCD camera to measure a vertical distance between a reference plane of the microscope and an object of the microscope. The image processor is adapted to measure the vertical distance between the reference plane of the microscope and the object of the microscope based on sharpness of the image, which corresponds to how clear the microscope is focused.
    • 本发明涉及一种用于通过相对于工件移动旋转的砂轮而将已经设置在卡盘顶表面上的工件进行研磨的磨床。 研磨机包括:显微镜,被配置为可垂直移动; 配置成拍摄通过显微镜观看的图像的CCD照相机; 以及图像处理器,被配置为处理由CCD照相机拍摄的图像,以测量显微镜的参考平面与显微镜的物体之间的垂直距离。 图像处理器适于基于图像的清晰度来测量显微镜的参考平面和显微镜的对象之间的垂直距离,其对应于显微镜被聚焦的清晰度。