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US 7,320,564 B2Granted
Cutting insert for grooving operations
AssigneeIscar, Ltd.
InventorUzi Gati
Life of this patent
Estimating the term…
Abstract
A cutting insert for grooving operations having a forward main cutting edge and two opposing side cutting edges extending rearwardly and outwardly from the main cutting edge, each side cutting edge having a variable rake angle.
Claims16
A grooving cutting insert comprising:
- a clamping portion and at least one cutting portion, top and bottom opposing surfaces and a peripheral side surface extending therebetween,
- the top and peripheral side surfaces meeting at an upper edge at least a portion of which comprises a cutting edge, the cutting edge comprising a forward main cutting edge and two opposing side cutting edges,
- in a top view of the insert, the two opposing side cutting edges increase in separation as they extend rearwardly from the main cutting edge to the clamping portion on opposing sides of a longitudinal axis of the cutting insert,
- at least a portion of each side cutting edge having a variable rake angle.
1 more element
A grooving cutting insert comprising:
- a clamping portion and at least one cutting portion;
- top and bottom opposing surfaces and a peripheral side surface extending therebetween;
- the top and peripheral side surfaces meeting at an upper edge at least a portion of which comprises a cutting edge;
- the cutting edge comprising a forward main cutting edge and two opposing side cutting edges;
- the side cutting edges diverging rearwardly from the forward main cutting edge to the clamping portion on opposite sides of a longitudinal axis of the cutting insert such that, in a top view of the cutting insert, the at least one cutting portion is narrowest at the forward main cutting edge and increases in width in a direction towards the clamping portion;
- at least a portion of each side cutting edge having a variable rake angle.
3 more elements
Dependencies are inferred from the claim text.