Boring device

Details Boring device Boring device

1990-07-30

1991-10-29

Paumen, Gary F.

Cutting by use of rotating axially moving tool

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

To move radially

279175, 409233, 408240, 82 12, B23B 4700

Patent

active

050611259

ABSTRACT:
A boring device adapted to mount boring tools for automatic tool changing, in which an eccentric mounting of relatively rotatable inner spindle 11 and main spindle (2) allows radial adjustment of the tool. Relative rotation of inner and outer spindles is accomplished by axial driving of a threaded bolt (22) by an actuator motor (67), causing rotation of a nut (19) fixed to the inner spindle (11). Continued overtravel of the threaded bolt (22) past an adjustment range (47) and safety range (51) causes releasing operation of a spring biased pull rod (36) which releases a tool clamping mechanism (14) to allow automatic tool changing.

REFERENCES:
patent: 3105413 (1963-10-01), Lanzenberger
patent: 3613192 (1971-10-01), Tanabe et al.
patent: 3700345 (1972-10-01), Schubert
patent: 3731562 (1973-05-01), Heuser
patent: 3884590 (1975-05-01), Shrentner et al.
patent: 4154555 (1979-05-01), Skrentner
patent: 4602539 (1986-07-01), Tsukiji
patent: 4704056 (1987-11-01), Babel
patent: 4773799 (1988-09-01), Guironnet

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