Cutters – for shaping – Rotary cutting tool – Including holder having seat for inserted tool
Patent
1996-04-24
1998-06-09
Pitts, A. L.
Cutters, for shaping
Rotary cutting tool
Including holder having seat for inserted tool
407 56, 407 61, B23C 520
Patent
active
057624526
ABSTRACT:
The present invention pertains to a long cutting length milling cutter with inserts with hole with cutting edge inserts which are arranged on various levels in the axial direction from a front end of the said milling cutter body. The inserts of the various levels are arranged according to steps, whose mean height, excluding the thickness of the insert belonging to the step or seat, is not less than the thickness of the insert. The radial angle .delta., which is formed by the radius of the milling cutter body passing through the vertex of the cutting edge of an insert with the straight line parallel to the base of the insert and passing through the vertex of the insert, has an amplitude not less than 10.degree..
REFERENCES:
patent: 4093392 (1978-06-01), Hopkins
patent: 4182587 (1980-01-01), Striegl
patent: 4519731 (1985-05-01), Jester et al.
patent: 4844666 (1989-07-01), Tsujimura et al.
patent: 4934880 (1990-06-01), Stashko
patent: 5083887 (1992-01-01), Dotany
patent: 5425603 (1995-06-01), Dutchke et al.
Pitts A. L.
Tsai Henry W.H.
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