Method and tool for machining a transverse slot about a bore

Details Method and tool for machining a transverse slot about a bore Method and tool for machining a transverse slot about a bore

1978-10-17

1980-08-26

Hinson, Harrison L.

Turning

Process of turning

82 12, 82 36R, 407 85, 407117, 408 1R, B23B 300, B23B 3500, B23B 4100

Patent

active

042189411

ABSTRACT:
A method and apparatus for cutting a transverse slot about a bore of smaller diameter than that of the slot are disclosed. The invention consists of introducing a cutting head facing transversely to the bore, through the bore opening its distance from the mill shaft being progressively extended by the addition of spacers between the head and the shaft until the desired slot depth is obtained. The spacers are held in position by a cable passing from the cutting head through the series of spacers and out along the mill shaft. The mill shaft carrying the cutting head is moved transversely into the object wherein the slot is being cut as the object is being rotated thereabout by the mill table to which it is affixed.

REFERENCES:
patent: 1779059 (1930-10-01), Burkart et al.
patent: 2751006 (1956-06-01), Lane
patent: 2771798 (1956-11-01), De Vlieg
patent: 2954570 (1960-10-01), Couch
patent: 3088141 (1963-05-01), Tansey
patent: 3245288 (1966-04-01), Fried
patent: 3246545 (1966-04-01), Shugars
patent: 3389620 (1968-06-01), Berruyer
patent: 4043695 (1977-08-01), Gottelt

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