Cutting insert for a rotary cutting tool

Details Cutting insert for a rotary cutting tool Cutting insert for a rotary cutting tool

1991-11-26

1993-08-03

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Tool having crystalline cutting edge

407118, 408227, B23B 5102

Patent

active

052323200

ABSTRACT:
A cutting insert for a rotary cutting tool comprises a body of tungsten carbide, with layers of polycrystalline diamond on opposite sides of the body. The diamond layers overlap across the centre-line of the insert. The cutting insert is shaped for retention at the end of the rotary cutting tool so that the first and second sides of the cutting insert are substantially parallel to the axis of the cutting tool, and the diamond layers are offset from one another across the width of the body so that they define the lips or major cutting edges of the cutting tool.

REFERENCES:
patent: 1887373 (1932-11-01), Emmons et al.
patent: 4478298 (1984-10-01), Hake et al.
patent: 4565471 (1986-01-01), Negishi et al.
patent: 4604106 (1986-08-01), Hall et al.
patent: 5022801 (1991-06-01), Anthony et al.
patent: 5065647 (1991-11-01), Johnson

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