Three-dimensional numerically controlled wire cut electrical discharge machining tool

The utility model discloses a three-dimensional numerically controlled wire cut electrical discharge machining tool. The three-dimensional numerically controlled wire cut electrical discharge machining tool comprises a tool body, a cross carriage arranged on the tool body and stand columns disposed at the left side and the right side and fixed on the tool body. Upper portions of the stand columns disposed at the left side and the right side are provided with a connection crossbeam. A left wire arm guide rail is arranged on a stand column disposed at the left side. A left wire arm is arranged on the left wire arm guide rail. A right wire arm guide rail is arranged on a stand column disposed at the right side. A right wire arm is arranged on the right wire arm guide rail. Two ends of the left wire arm and the right wire arm are provided with fixed blocks. The fixed blocks are movably connected with lead screws. Lead screw pairs are also fixed on the left wire arm and the right wire arm. The three-dimensional nu