Rotary cutting tool

Details Rotary cutting tool Rotary cutting tool

1999-06-23

2000-10-17

Tsai, Henry W. H.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 43, 407 47, 407 56, B23C 520

Patent

active

06132146&

ABSTRACT:
A rotary cutting tool with a longitudinal axis of rotation, has a cutting head formed with at least two chip evacuation flutes and at least two body portions therebetween. The body portions bear, at a front face of the cutting head, a plurality of cutting inserts mounted so that their operative cutting edges lie substantially in a plane perpendicular to the axis of rotation. A first body portion bears a first outer cutting insert and a second body portion bears a second outer cutting insert. The operative cutting edge of the second outer cutting insert is substantially shorter than the operative cutting edge of the first outer cutting insert, and their outermost ends are substantially equidistant from the axis of rotation and are spaced therefrom at a distance defining a cutting radius of the cutting tool.

REFERENCES:
patent: 3158922 (1964-12-01), Reese
patent: 3811163 (1974-05-01), Frederick
patent: 4220429 (1980-09-01), Powers
patent: 4789273 (1988-12-01), Wiacek
patent: 4993891 (1991-02-01), Kaminiski

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