| 摘要 |
A method and apparatus for threading or rethreading the end of an electrode wire through an aperture in a workpiece in which a cut is to be effected, by electrical discharges in a machining zone between the electrode wire and the workpiece. While the end of the electrode wire is brought in proximity with the inlet of the aperture in the workpiece, the end of the electrode wire is disposed in a pressurized fluid flowing towards the inlet of the aperture in the workpiece such that the end of the electrode wire is automatically centered relative to the aperture, and threading the end of the wire through the aperture. |
