FIELD: cutting tools.
SUBSTANCE: cutting tool contains holder 22 and indexable cutting insert 24 fixed in it. Holder 22 contains head 26 and shank 28 extending from it along Axis A1 of the holder, and head 26 has spaced apart lower and upper clamping sections 30, 32 located on opposite sides of the first plane P1 containing Axis A1 of the holder. Lower clamping portion 30 has spaced apart first and second lower clamping surfaces 34, 36 located on opposite sides of second plane P2 perpendicular to first plane P1, and upper clamping portion 32 has upper clamping surface 38 intersected by second plane P2. Cutting insert has peripheral surface 44 with multiple circumferentially spaced cutting portions 48, and second plane P2 intersects multiple cutting portions 48. Upper clamping surface 38 contacts first thrust portion 56’ of peripheral surface 44, and second thrust portion 56” of the peripheral surface contacts first and second lower clamping surfaces 34, 36.
EFFECT: creation of an improved cutting tool.
23 cl, 17 dwg
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