Apparatus and method for lathe cutoff and chamfer

Details Apparatus and method for lathe cutoff and chamfer Apparatus and method for lathe cutoff and chamfer

1978-10-05

1980-09-23

Vlachos, Leonidas

Turning

Process of turning

82 25, 82 47, 407 69, 407117, B23B 100, B23B 2926

Patent

active

042235766

ABSTRACT:
A tool holder is provided for the cross slide of a lathe. A cutoff tool extends horizontally from the holder toward the rotational axis of a workpiece in the lathe, and a chamfering tool extends vertically downwardly from the holder in a common cutting plane with the cutoff tool. As the cutoff tool is advanced radially into the workpiece to cut a portion off the end thereof, the chamfering tool is thereby moved chordally with respect to the peripheral edges of the annular groove being formed in the workpiece by the cutoff tool. The cutting edges of the chamfering tool are preferably spaced from the cutoff tool such that they engage the groove edges during the cutting of the groove and complete the chamfering thereof prior to completion of cutoff.

REFERENCES:
patent: 1857208 (1932-05-01), Metz
patent: 1963023 (1934-06-01), Libby
patent: 2156354 (1939-05-01), Rozmarich
patent: 2399315 (1946-04-01), Beird
patent: 3654827 (1972-04-01), Lemanski

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