Rotatably adjustable boring bar

Details Rotatably adjustable boring bar Rotatably adjustable boring bar

1987-11-02

1988-07-12

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool-support with means to move tool relative to tool-support

To move radially

408150, 408180, B23B 2902

Patent

active

047566485

ABSTRACT:
An adjustable boring bar wherein the adjustment of the cutting end is provided by a prestressed internal bar bearing against the cutting end to selectively distort the boring bar in the direction of the cutting bit to compensate for wear. The adjustment is by means of rotation of the prestressed internal bar to direct the pressure of the internal bar against the boring bar and cutting bit in the desired direction.

REFERENCES:
patent: 3261236 (1966-07-01), Flannery
patent: 3379077 (1968-04-01), Gustafson
patent: 3667856 (1972-06-01), Walker
patent: 3749508 (1973-07-01), Schukrafft
patent: 3961857 (1976-06-01), Koblesky
patent: 4351207 (1982-09-01), Werth, Jr.
patent: 4594033 (1986-06-01), Peetz et al.

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