Patents Assigned to Shizuoka Seiko Co., Ltd.
  • Patent number: 5294308
    Abstract: Method of predicting a short circuit in an electrolytic finishing system where a machining pulse is supplied between an electrode and a work disposed in electrolyte with a predetermined space is disclosed. An abnormal change of electrode-to-electrode voltage during the supply of the machining pulse is detected, and the supply of the machining pulse is stopped in accordance with the detection.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: March 15, 1994
    Assignee: Shizuoka Seiko Co., Ltd.
    Inventors: Teruo Asaoka, Haruki Sugiyama, Shogo Yoshioka