Boring bar cutting and grinding devices

Details Boring bar cutting and grinding devices Boring bar cutting and grinding devices

1996-10-30

1999-02-02

Bishop, Steven C.

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

Including tool with duct

408 83, 408147, 408708, B23B 4116

Patent

active

058655735

ABSTRACT:
A boring bar for machining of borehole surfaces which are arranged axially spaced from each other, in particular crank-shaft and/or cam-shaft bearing holes. The bar has at least one, and preferably a plurality, of cutting devices and at least one, and preferably a plurality of, guide devices each associated with a cutting device. A fluid pressure actuating device acts on both the cutting devices and the guide devices. The actuating device effects a setting movement of each of those devices against a respective defined stop by application of fluid pressure through the boring bar to the cutting devices and the guide devices.

REFERENCES:
patent: 1434004 (1922-10-01), Greven
patent: 2661639 (1953-12-01), Clyde
patent: 3300010 (1967-01-01), Irish
patent: 3389621 (1968-06-01), Wear
patent: 3526159 (1970-09-01), Robinson et al.
patent: 3740161 (1973-06-01), Milewski
patent: 3961857 (1976-06-01), Koblesky
patent: 4224846 (1980-09-01), Eysel et al.
patent: 4693642 (1987-09-01), Mair et al.
patent: 4730958 (1988-03-01), Banoczky

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