Cutting tool and method for manufacturing cut workpiece
AssigneeKYOCERA Corporation
InventorMasahiro Yamamoto
Life of this patent
Estimating the term…
Abstract
In an embodiment, a cutting tool includes a holder and a cutting insert. The holder is elongated and includes an insert pocket that is located on a side of a first end. The cutting insert is secured to the insert pocket. The cutting tool further includes a clamp that fastens the cutting insert in the insert pocket, and a screw that comes in contact with the cutting insert and is secured to the insert pocket. The screw includes a first surface including a first engagement portion on a first surface that is located on a side of the first end. The first engagement portion is located within a through-hole included in the screw in a front view of the first end.
Claims20
A cutting tool, comprising:
- a holder elongated, extending from a first end to a second end along a rotation axis, and comprising an insert pocket at the first end;
- a cutting insert secured to the insert pocket, and comprising:
- an upper surface facing toward the second end of the holder,
- a cutting edge, and
- a through-hole;
- a clamp member securing the cutting insert to the insert pocket;
- and
- a screw inserted in the insert pocket, being in contact with the upper surface of the cutting insert, and comprising:
- a first surface facing toward the first end of the holder,
- the first surface comprising a first engagement portion that is located within the through-hole in a front view of the first end.
A cutting tool, comprising:
- a holder extending from a first end to a second end along a rotation axis, and comprising an insert pocket;
- a cutting insert secured to the insert pocket, and comprising:
- an upper surface facing towards the insert pocket,
- a cutting edge, and
- a through-hole;
- a clamp member laterally securing the cutting insert to the insert pocket;
- and
- a screw inserted in the insert pocket, and comprising:
- a third portion having a larger diameter than any other portion of the screw and abutting the upper surface of the cutting insert on one side of the third portion and abutting a surface of the insert pocket on another side of the third portion.
A cutting tool, comprising:
- a holder elongated, extending from a first end to a second end along a rotation axis, and comprising an insert pocket at the first end;
- a cutting insert secured to the insert pocket, and comprising a cutting edge and a through-hole;
- a clamp member securing the cutting insert to the insert pocket;
- and
- a screw inserted in the insert pocket, being in contact with the cutting insert, and comprising:
- a first surface facing toward the first end of the holder, the first surface comprising a first engagement portion located within the through-hole;
- a first portion comprising a thread groove, screwed into the insert pocket;
- a second portion comprising the first surface, inserted in the through-hole;
- and
- a third portion located between the first portion and the second portion, located between the cutting insert and the insert pocket, and being in contact with the cutting insert and the insert pocket.
Dependencies are inferred from the claim text.