Machine tools

Details Machine tools Machine tools

1975-10-08

1977-07-26

Flint, Jr., L. Howard

Cutting by use of rotating axially moving tool

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

Including nozzle

51273, 90 12D, 408 67, 408110, 408710, B23B 5106, B23B 4734

Patent

active

040379825

ABSTRACT:
A drilling or milling machine has a suction chamber surrounding an axially moveable tool, the chamber being axially moveable relative to the tool and spring biased for abutment against a working surface during machining, after the tool has been fed forwardly in a rapid first phase, then slowly just prior to and during machining. The chamber is composed of two half-shells secured onto a mount on the tool body by a locking ring, and which can be separated by removal of the ring and radial outward movement to provide access to the tool without a need to raise the tool body. The abutment-surface of the chamber may be rigid for laterally-stationary tools, or formed of a ring of flexible bristles for laterally moving tools, e.g. for routing printed circuits. Several compressed-fluid delivery nozzles can be provided in the suction chamber to improve the removal of dust and chippings.

REFERENCES:
patent: 1452779 (1923-04-01), Barry
patent: 1563887 (1925-12-01), Wiespetat
patent: 1955182 (1934-04-01), Hall
patent: 2944465 (1960-07-01), Jones
patent: 3413875 (1968-12-01), Larson
patent: 3547350 (1970-12-01), Marcoux
patent: 3673744 (1972-07-01), Oimoen
patent: 3786846 (1974-01-01), Mehring

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