Boring bar with removable and indexable cutting insert

Details Boring bar with removable and indexable cutting insert Boring bar with removable and indexable cutting insert

1974-11-07

1976-09-21

McGehee, Travis S.

Cutting by use of rotating axially moving tool

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

29 98, 408188, 408713, B23B 2904

Patent

active

039816079

ABSTRACT:
A boring bar having a removable indexable cutting insert with a plurality of cutting edges is disclosed. The cutting insert is held in place in the bar by a locking finger on an insert clamp which is locked into place by a ball which is wedged against a release pin that engages the clamp. The ball may be moved so as to allow the pin to move, thereby releasing the force applied by the clamp whenever the insert is to be indexed or whenever a replacement of the insert is required. This is achieved by either manual or hydraulic control of a wedge shaft that engages the ball.

REFERENCES:
patent: 1673039 (1928-06-01), Brown
patent: 2630732 (1953-03-01), Piazze
patent: 3793708 (1974-02-01), Watanabe et al.
patent: 3838500 (1974-10-01), Wirfelt

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