Abstract: The tension measuring unit that measures a physical amount corresponding to tension of a wire in a wire transport system, the fluctuation recording unit that records the physical amount measured by the tension measuring unit, the fluctuation analysis unit that obtains an average value, variation, and frequency analysis data of the recorded physical amount as an analysis result of the physical amount, the maintenance necessity determining unit that compares the analysis result with a reference value and determines whether maintenance is needed based on a comparison result and the display unit that displays a determination result are included, and it is made possible to accurately determine the time for maintenance for various components used in the wire transport system without using a measuring instrument.

Abstract: An electric discharge apparatus includes electrode specification input means for inputting each electrode specification of a plurality of integral electrode where electrodes corresponding to a plurality of machining forms are arranged continuously on the same axis, machining detail input means for inputting data of a workpiece when electric discharge machining is performed using the integral electrode, and a machining program generation means for generating a machining program consisting of machining start position and a machining depth when electric discharge machining is performed using each electrodes based on the electrode specification and the thickness data of the workpiece thus input.

Abstract: The tension measuring unit that measures a physical amount corresponding to tension of a wire in a wire transport system, the fluctuation recording unit that records the physical amount measured by the tension measuring unit, the fluctuation analysis unit that obtains an average value, variation, and frequency analysis data of the recorded physical amount as an analysis result of the physical amount, the maintenance necessity determining unit that compares the analysis result with a reference value and determines whether maintenance is needed based on a comparison result and the display unit that displays a determination result are included, and it is made possible to accurately determine the time for maintenance for various components used in the wire transport system without using a measuring instrument.

Abstract: An electric discharge apparatus includes electrode specification input means for inputting each electrode specification of a plurality of integral electrode where electrodes corresponding to a plurality of machining forms are arranged continuously on the same axis, machining detail input means for inputting data of a workpiece when electric discharge machining is performed using the integral electrode, and a machining program generation means for generating a machining program consisting of machining start position and a machining depth when electric discharge machining is performed using each electrodes based on the electrode specification and the thickness data of the workpiece thus input.