Cutting bit, in particular indexable cutting bit

Details Cutting bit, in particular indexable cutting bit Cutting bit, in particular indexable cutting bit

1996-12-11

1998-02-24

Howell, Daniel W.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407114, 407113, B23C 520

Patent

active

057205833

ABSTRACT:
A cutting bit, in particular an indexable cutting bit, has a polygonal base body with a flat bottom side (1), a flat or structured top side (4) spaced apart from the bottom side, and a number of side surfaces (2) adjoining one another, forming corners (3). On the top side, the base body is beveled to descend in the outward direction of the region of the chip removing surface at at least one corner (3), in such a way that at the corner a delimited region (9) is formed that is inclined with respect to the bottom side (1). In this inclined region (9), on one side of the corner (3), the main cutting edge (5a , 5b) extends to the vicinity of the corner (3), while on the other side of the corner in the inclined region a plane, or facing, cutting edge (5c) is formed, which essentially adjoins the main cutting edge, and the portion of the main cutting edge located in the inclined region (9) has essentially at most the same length as the plane cutting edge.

REFERENCES:
patent: 3818562 (1974-06-01), Lacey
patent: 5007775 (1991-04-01), Pantzar
patent: 5199827 (1993-04-01), Pantzar
patent: 5232319 (1993-08-01), Satran et al.
patent: 5388932 (1995-02-01), DeRoche et al.
"Sandvik Coromant Fraswerkzeuge", D-8200:3, pp. 40-41.

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