Indexable cutting tool

Details Indexable cutting tool Indexable cutting tool

1986-05-01

1988-03-15

Godici, Nicholas P.

Turning

Severing or cut-off

Interrelated means for tool infeed and circumrotation

29 39, 29 485R, 29 485A, 74813R, 74813L, 407 90, 407104, 407106, 407112, 408 35, B23B 2716, B23B 2932

Patent

active

047305258

ABSTRACT:
In accordance with the present invention, there is provided a cutting tool having a cutting tool insert which is automatically rotationally indexable. The cutting tool includes a shank and an indexable cutting tool insert rotatably connected to the shank. The insert includes a plurality of cutting edges and side surfaces therebetween. The cutting tool is also provided with an indexing device, lock pin, cam plate and eccentric cam pin. The indexing device comprises a sliding key and a pair of spring metal legs attached thereto for engaging a serrated portion of the lock pin to which the cutting tool insert is attached. The indexing device is effective for indexing the insert on the lock pin upon rotation of the cam pin which effects a lateral movement of the cam plate along the longitudinal axis of the shank whereby the cam plate engages the sliding key causing it to also move laterally to engage the indexing legs on the lock pin resulting in rotation of the lock pin and the cutting insert attached thereto.

REFERENCES:
patent: 1396180 (1921-11-01), Fors
patent: 3137917 (1964-06-01), Dowd
patent: 3270396 (1966-09-01), Williams
patent: 3534457 (1970-10-01), Mueller
patent: 3660879 (1972-05-01), Erkfritz
patent: 3981607 (1976-09-01), Jorgensen
patent: 4024777 (1977-05-01), Fogarty
patent: 4408507 (1983-10-01), Szewczyk
patent: 4414733 (1983-11-01), Vanotik et al.
patent: 4541165 (1985-09-01), Sawai et al.
patent: 4552046 (1985-11-01), Dombrowski et al.

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