| 摘要 |
<p>The spark erosion machine includes two guide heads (7,8) with a wire electrode (1), an actuator unit for producing relative motions between the wire electrode and a workpiece (5), and a unit for compensating the actual wire dragging error - which is caused by convexity of the wire between the guide heads - relative to the contour to be cut, by correcting the wire guide path. This unit calculates the wire dragging error correction vector by determining its magnitude from instantaneous parameters of the erosion process, and its direction also from these parameters and/or geometry of the contour to be produced. Also claimed (below) is a method for operating such a machine.</p> |
