Boring bar holder and insert with precision placement insert loc

Details Boring bar holder and insert with precision placement insert loc Boring bar holder and insert with precision placement insert loc

1993-01-25

1994-02-22

Howell, Daniel W.

Cutting by use of rotating axially moving tool

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

279 67, 408232, 408240, B23B 3110

Patent

active

052881822

ABSTRACT:
A boring bar holder and removable insert member each equipped with cooperating precision locator means wherein any replacement of the insert within the boring bar holder will index the new insert with precision to the location of the previous insert. There are biasing means associated with the boring bar and the insert to wedgingly move the insert rearwardly to bias against a bore in the boring bar and to index the position of the cutting head of the insert in exact relationship to a previous insert placement.

REFERENCES:
patent: 2485799 (1949-10-01), Woytych
patent: 2669890 (1954-02-01), Tao
patent: 3013450 (1961-12-01), Yogus
patent: 3091474 (1963-05-01), Boutros et al.
patent: 3171665 (1965-03-01), Brauer
patent: 3557419 (1971-01-01), Flannery
patent: 4573824 (1986-03-01), Ehle
patent: 4725173 (1988-02-01), Hoffman et al.

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