Pulse impact tool for finishing internal surfaces of revolution

Metal working – Burnishing – Of water laid fibrous article

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72 76, B24B 3900

Patent

active

039450988

ABSTRACT:
A tool for finishing the internal surfaces of revolution in blanks including a casing having a groove on its side surface for accommodating bodies of revolution which are moved by a fluid pressure. A fluid is fed in through channels in the tool casing, the channels putting the groove in communication with the source of fluid under pressure. The groove is surrounded by a cage accommodating working elements which are installed with a provision for contacting the bodies of revolution and colliding with them in the operating tool. During this collision the working elements produce plastic deformation of the machined surface with a force which is somewhat smaller than in the known tools used for the same purpose.

REFERENCES:
patent: 1749982 (1930-03-01), Nesbitt
patent: 1917925 (1933-07-01), Cogsdill
patent: 3444714 (1969-05-01), Gustkey
patent: 3517533 (1970-06-01), Koznar
patent: 3610008 (1971-10-01), Foedisch
patent: 3696483 (1972-10-01), Burk

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