The invention relates to an electrode for electrochemical machining. An electrode comprising a plurality of electrode segments separated by insulating material. As desired, different voltages are applied to each of the electrode segments giving control over the amount of material locally removed from...http://www.google.com/patents/US5882491?utm_source=gb-gplus-sharePatent US5882491 - Electrode for electrochemical machining, method of electrochemical machining with said electrode, a bearing and a method of determining a profile using said electrode
