Milling cutter with removable inserts

Details Milling cutter with removable inserts Milling cutter with removable inserts

1988-06-27

1990-08-07

Terrell, William

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 61, 407 62, 407 63, 407114, B23C 510, B23C 504

Patent

active

049463187

ABSTRACT:
The invention relates to a milling cutter which comprises a body (1) having two indentations (4,5) presenting each a housing (4',5') the body of which makes with the longitudinal axis of the body an helix angle which is not equal to zero. In each housing a cutting insert (6,7) is removably fixed which comprises a corner portion emerging on the frontal face (9) of the body and a main or major cutting edge extending beyond along the external lateral rim of the indentation. The shape of this insert and its position on the cutter are such that the radial cutting angle of the cutter varies in decreasing towards the frontal end of the body, and that the clearance angle of the cutter is constant.

REFERENCES:
patent: 3380137 (1968-04-01), MacPetrie et al.
patent: 3848303 (1974-11-01), Faber
patent: 4278369 (1981-07-01), Jakobs et al.
patent: 4681488 (1987-07-01), Markusson
patent: 4699549 (1987-10-01), Shimomura et al.
Perets et al., "A Self-Adjusting Plate Reamer", Byulleten'Izobreteniy 1959, No. 9, p. 62.

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