公开(公告)号：US4703143A

公开(公告)日：1987-10-27

申请号：US811368

申请日：1985-12-20

申请人： Yasumi Okubo ,  Asami Morino

发明人： Yasumi Okubo ,  Asami Morino

IPC分类号： B23H7/06 ,  G05B19/401 ,  G05B19/41 ,  G05D15/00

CPC分类号： B23H7/065 ,  G05B19/4015 ,  G05B19/41 ,  G05B2219/37612 ,  G05B2219/41123 ,  G05B2219/45221 ,  G05B2219/49164

摘要： A machining control method for an electrical discharge machine compensates for the lagging of the wire electrode as the electrode is advanced from a straight line portion to a change of direction portion of the outline to be machined. The wire electrode is advanced from the straight line portion of the outline until it reaches the change of direction point of the outline and is then halted until the wire electrode lag is corrected. During the halt, machining takes place under a different set of conditions. When the lag is corrected, the wire electrode is advanced along the change of direction portion under a third set of machining conditions. When the wire electrode reaches another straight line portion, the outline machining of the workpiece is resumed under the first set of machining conditions. Also disclosed is a method of controlling the positioning of a workpiece by trial positioning a large number of workpieces having a variety of weights under a variety of load conditions of the control motor. The positioning accuracy of the trial positionings are measured and a table of correction values for positioning according to the desired positioning is calculated and stored. When positioning a workpiece to be machined, the weight and motor load are compared to the stored correction values, a correction value is determined, and the workpiece is positioned using the determined correction value.

摘要翻译： 放电机械的加工控制方法补偿当电极从直线部分前进到待加工轮廓的方向部分的变化时线电极的滞后。 线电极从轮廓的直线部分前进直到其到达轮廓的方向点的改变，然后停止直到线电极滞后被校正。 在停止期间，加工在不同的条件下进行。 当滞后被校正时，线电极在第三组加工条件下沿着方向部分的改变而前进。 当线电极到达另一条直线部分时，在第一组加工条件下恢复工件的轮廓加工。 还公开了一种通过在控制电动机的各种负载条件下试验定位具有各种重量的多个工件的方法来控制工件的定位。 测量试验定位的定位精度，并计算并存储根据所需定位的定位校正值表。 当定位要加工的工件时，将重量和电机负载与存储的校正值进行比较，确定校正值，并使用确定的校正值来定位工件。