Chucking reamer

Details Chucking reamer Chucking reamer

1979-06-04

1980-12-16

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

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

To move radially

408185, B23B 2902

Patent

active

042394252

ABSTRACT:
A chucking reamer has a flattened section on its head, with a crescent-shaped recess. A crescent-shaped body which retains a cutter device is held in the cresent-shaped recess by a fixing screw and a pair of headless screws are threaded into the head to adjust the position of the crescent-shaped body and the cutting device. The carbide cutter device and the steel crescent-shaped body are in one piece. The fixing screw has a conical head which fits into a conical recess in the crescent-shaped body. An inner threaded hole is provided through the head, running perpendicularly from the bottom face of the crescent-shaped recess, for receiving the shank of the fixing screw. The longitudinal axis of this inner threaded hole is displaced downwards in relation to the longitudinal axis of the conical recess, so that when the crescent-shaped body is to be moved to the smallest radius position and the fixing screw is tightened, the shank of the fixing screw experiences a bending stress, which pulls the crescent-shaped body as close as possible to the curved walls of the crescent-shaped recess.

REFERENCES:
patent: 3286557 (1966-11-01), Rietzler et al.

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