Cutting insert for turning with chip-breaker arrangement providing room for a cooling jet
AssigneeSeco Tools AB
InventorsMats Jonsson, Thomas Eriksson
Life of this patent
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Abstract
A cutting insert includes a polygonal body of a hard, wear-resistant material, which has an upper surface and a lower surface, and a plurality of edge surfaces uniting said surfaces. At least one chip-breaker arrangement is provided in at least one of the lower and upper surfaces. At least one rounded cutting corner, provided with a nose-cutting edge, is formed at a nose portion at the area of the intersection area of two edge surfaces. The cutting corner defines a bisector. The chip-breaker arrangement includes two elongate chip-breaker segments having an opening provided therebetween intended to give room for a cooling jet directed toward the opening.
Claims20
A cutting insert for turning, comprising a polygonal body of a hard, wear-resistant material, the body having an upper surface and a lower surface, and a plurality of edge surfaces uniting the upper and lower surfaces, at least one chip-breaker arrangement being provided in at least one of the lower and upper surfaces, at least one rounded cutting corner, provided with a nose-cutting edge, being formed at a nose portion at an area of intersection area of two edge surfaces, the cutting corner defining a bisector, wherein the chip-breaker arrangement comprises two elongate chip-breaker segments having an opening provided therebetween, the opening being adapted to give room for a cooling jet directed toward the opening.
Dependencies are inferred from the claim text.