E13 3Dプローブによる回転テーブルの振れ精度測定システムの開発(OS1 最新工作機械(3))

概要

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The machining accuracy of workpieces mounted on the tilting rotary table is affected by the accuracy of axes of rotation. It is, therefore, important to evaluate the rotational accuracy of the rotary table. Simultaneous there-axis motions are conducted for measuring the motion accuracy of five-axis machining centers by using a ball-bar and an R-test instrument. When measuring the three-axis motion including a rotary axis, the ball-bar has to be rearranged according to its sensitive direction, and the detected values with the R-test instrument have to be transformed into the orthogonal coordinates system. To avoid these drawbacks, in this study, a device named the 3D-probe and the measuring method are proposed. The 3D-probe can detect three sensitive directions at once and do not need to transfer the coordinates.
2010-11-19