Electrochemical machining device

An electrochemical machining device being capable of performing multi-dimensional machining, the electrochemical machining device comprising:

• a plurality of electrodes disposed around a workpiece;
• a guiding member configured to limit and guide each of the electrodes to move;
• a plate member configured to exert a force to each of the electrodes;
• a driving member configured to rotate the workpiece;
• and
• a power supply system;
• wherein the plate member is connected to each of the electrodes, a force-exerting direction of the force from the plate member to each of the electrodes is parallel to a central axis of each of the electrodes or deflects off the central axis, the power supply system provides a negative charge to each of the electrodes and a positive charge to the workpiece along a power supply path, each of the electrodes is passed through the guiding member and configured to perform a machining on the workpiece which is rotated by the driving member, and each of the electrodes has an electrochemical machining direction which is oblique to the workpiece;
• wherein each of the electrodes is rigid and has a free end and a conductive end, the plate member is a plane plate, a surface of the free end has an arc shape, and the plate member exerts the force on the surface of the free end;
• wherein an electrolyte is configured to perform electrochemical machining and is supplied between the workpiece and the electrode;
• wherein the plate member comprises a surrounding sidewall, and the force is exerted to the free end of each of the electrodes by an inner surface or an outer surface of the surrounding sidewall.