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Application filed by Сумське Машинобудівне Науково-Виробниче Об'Єднання Ім. М.В. Фрунзе, Сумське машинобудивне науково виробниче об'еднання им.М.В.ФрунзеfiledCriticalСумське Машинобудівне Науково-Виробниче Об'Єднання Ім. М.В. Фрунзе
Priority to UA4630576ApriorityCriticalpatent/UA6092A1/en
Publication of UA6092A1publicationCriticalpatent/UA6092A1/en
Cutting fluid is supplied through channels of a drill on cutting edges thereof and air is supplied under pressure with subsequent atomization thereof. Air supply is carried out through a gap between inner wall of the drill case and surface of drilled rod.
UA4630576A1989-01-021989-01-02Method for cooling annular drill
UA6092A1
(en)