CUTTING INSERT HAVING CURVED RAMPS FOR INSERTION INTO A TOOL HOLDER, CUTTING TOOL AND METHOD OF ASSEMBLY

摘要

A cutting tool (20,120) used for grooving and turning operations where a cutting insert (22,122) is resiliently securable in a holder blade (24). The cutting insert (22,122) includes an insert central lower surface (42) located between, and recessed with respect to, two insert lower component surfaces (38), each having an insert lower abutment surface (40). At least one of the two insert lower component surfaces (38) includes an insert inner curved ramp (46) extending from its insert lower abutment surface (40) to the adjacent insert lower intermediate surface (44) and at least the other of the two insert lower component surfaces (38) includes an insert outer curved ramp (48) extending from its insert lower abutment surface (40) to an adjacent end surface (32).