Cutting insert and cutter for milling

Details Cutting insert and cutter for milling Cutting insert and cutter for milling

1995-06-08

1998-07-07

Howell, Daniel W.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407113, 407116, B23C 502

Patent

active

057758557

ABSTRACT:
An insert for milling applications in which a radial rake face includes a concave conical portion defined to achieve constant positive radial rake throughout the length of a radial cutting edge at the angle of inclination thereof as the insert is intended to be mounted in a cutter body. The insert includes an axial rake face having a sloping portion defined to achieve positive axial rake as the insert is intended to be mounted in a cutter body. The upper surface of the insert includes planar regions and bend surfaces merging smoothly with the radial rake faces and axial rake faces to assist in chip expulsion during cutting.

REFERENCES:
patent: 5052863 (1991-10-01), Satran
patent: 5207538 (1993-05-01), Satran
patent: 5466097 (1995-11-01), Wallstrom
patent: 5486073 (1996-01-01), Satran et al.
ISCAR Brochure--ISCARMILL (Helimill/Helistar/Heliquad), pp.: Front, 6, 15.
ISCAR Brochure--Positive End Mills, pp. 11, 12, 13.
ISCAR Brochure--Inserts, pp. 219, 220.
Carboloy Brochure--Slot and End Milling Cutter 217.69, pp. 128, 129.
Sandvik Brochure--U--Max Endmills, RA/R215.44, pp. 178, 179, 180, 181.

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