Fluid bearing tool and a method for forming the same

Details Fluid bearing tool and a method for forming the same Fluid bearing tool and a method for forming the same

1994-09-06

1996-07-30

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408 54, 408 57, 408708, B23B 3500, B23B 4112

Patent

active

055405266

ABSTRACT:
An improved tool and method for the machining (e.g., boring, cutting, grinding and the like) of a workpiece. The tool includes a body that can be connected in a cantilevered arrangement to a machine for rotating machining operations and has fluid distribution channels formed in the body in a predetermined arrangement. The tool also includes a machining surface and at least one bearing surface formed on the peripheral surface of the tool. Pressurized fluid is provided through the fluid distribution channels in use, which, enable creation of a fluid bearing between the tool and an opening in the workpiece which has been machined by the tool. In addition, the tool can also include additional fluid distribution openings for cooling and cleaning of machining surfaces.

REFERENCES:
patent: 3317216 (1967-05-01), Muthler
patent: 3438287 (1969-04-01), Kampmeier et al.
patent: 3438288 (1969-04-01), Kaiser
patent: 3438289 (1969-04-01), Kampmeier
patent: 3540319 (1970-11-01), Greenberg
patent: 3570191 (1971-03-01), Williams
patent: 3899222 (1975-08-01), Mendelevsky et al.
patent: 4693642 (1987-09-01), Mair et al.
patent: 4701081 (1987-10-01), Hashimoto et al.
patent: 5221165 (1993-06-01), Goszczynski

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