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    Milling machine calibration method, and article of manufacture
    1.
    发明授权
    Milling machine calibration method, and article of manufacture 有权

    公开(公告)号：US10888968B2

    公开(公告)日：2021-01-12

    申请号：US16117040

    申请日：2018-08-30

    申请人： D4D Technologies, LLC

    发明人： Lasse H. Toimela ,  Rod A. Duncan

    IPC分类号： B23Q17/20 ,  B23Q17/22

    摘要： A milling machine calibration technique, and article of manufacture are described. The article comprises a calibration fixture, together with a calibration pin. The calibration fixture preferably is shaped as a cube, and each of the side faces of the cube comprise a set of indentations (dimples or features) that are configured in a predetermined pattern. A preferred pattern is a “5-dimple” pattern. To find a mapping between axis coordinates (of a mill spindle) and the mill mandrel at some orientation, the calibration fixture is inserted into the mandrel, and the calibration pin is inserted into a collet. Using an x-axis directional position error-based probing mechanism, the system then registers the exact position of each of the five (5) dimples on the surface of the die. Using the positional information so determined, spindle-mandrel spatial relationships for one or more orientations of the mandrel are then identified for calibration purposes.

    Milling machine calibration method, and article of manufacture
    3.
    发明申请
    Milling machine calibration method, and article of manufacture 审中-公开

    公开(公告)号：US20200070296A1

    公开(公告)日：2020-03-05

    申请号：US16117040

    申请日：2018-08-30

    申请人： D4D Technologies, LLC

    发明人： Lasse H. Toimela ,  Rod A. Duncan

    IPC分类号： B23Q17/22 ,  B23Q17/20

    摘要： A milling machine calibration technique, and article of manufacture are described. The article comprises a calibration fixture, together with a calibration pin. The calibration fixture preferably is shaped as a cube, and each of the side faces of the cube comprise a set of indentations (dimples or features) that are configured in a predetermined pattern. A preferred pattern is a “5-dimple” pattern. To find a mapping between axis coordinates (of a mill spindle) and the mill mandrel at some orientation, the calibration fixture is inserted into the mandrel, and the calibration pin is inserted into a collet. Using an x-axis directional position error-based probing mechanism, the system then registers the exact position of each of the five (5) dimples on the surface of the die. Using the positional information so determined, spindle-mandrel spatial relationships for one or more orientations of the mandrel are then identified for calibration purposes.