公开(公告)号：US20170151612A1

公开(公告)日：2017-06-01

申请号：US14953584

申请日：2015-11-30

Applicant: Iscar, Ltd.

Inventor： GIL HECHT ,  Dima MAKHLIN ,  Sergey CHISTYAKOV

IPC: B23B27/04 ,  B23B27/16

CPC classification number: B23B27/04 ,  B23B27/1625 ,  B23B29/043 ,  B23B2205/02 ,  B23B2205/12

Abstract: A tool assembly for heavy duty machining includes an insert, tool and clamp for securing the insert to a rigid insert seat of the tool. The insert is a solid cutting insert including a single cutting edge located at a corner region thereof. At a diagonally opposed corner region the insert is not subjected to clamping forces.

公开(公告)号：US20240109133A1

公开(公告)日：2024-04-04

申请号：US18450235

申请日：2023-08-15

Applicant: TUNGALOY CORPORATION ,  ISCAR LTD.

Inventor： Yuma KONDOU ,  Sergey CHISTYAKOV ,  Dima MAKHLIN

IPC: B23B27/16 ,  B23B31/00

CPC classification number: B23B27/1614 ,  B23B31/005 ,  B23B2231/0204

Abstract: A head replaceable cutting tool having a structure that can limit a machining cost when a clearance portion is formed in a portion at which a head is attached and detached, and also limit deformation of a shank is provided. The head replaceable cutting tool includes: a projection portion or a hole portion for attachment and detachment disposed in a head; a shank to which the head is attachable; a hole portion, to which the projection portion is removably attachable along a central axis, or a projection portion disposed in an end portion of the shank; a fastening member that presses the projection portion toward an inner circumference surface of the hole portion; and a fastened portion disposed in the shank to fasten the fastening member. The hole portion has a transverse cross-sectional shape that is a substantially circular shape having a curvature radius R1, and the projection portion has a transverse cross-sectional shape including a contact portion at which an outer circumference surface of the projection portion is in contact with the inner circumference surface of the hole portion and a clearance portion that is formed in a part of the outer circumference surface so as to deviate radially inward from a virtual circle corresponding to the inner circumference surface and does not come into contact with the inner circumference surface.

公开(公告)号：US20190262908A1

公开(公告)日：2019-08-29

申请号：US16238958

申请日：2019-01-03

Applicant: ISCAR LTD.

Inventor： Sergey CHISTYAKOV ,  Ortal ALPERSON

IPC: B23B27/16

Abstract: A cutting insert has a cutting portion corner formed at the intersection of a rake surface, a forward cutting portion surface and a relief surface. A cutting edge is formed at an intersection of the rake surface and the relief surface with a land that is located on the rake surface and that extends along, and negatively away from, the cutting edge. A chip-control arrangement is located at the rake surface and includes an elongated projection and plurality of spaced apart elongated protuberances that extend from the projection to the cutting edge, so that the land has a plurality of spaced apart bulging land portions. A non-rotary cutting tool has an insert holder having an insert pocket and the cutting insert releasably retained therein.

公开(公告)号：US20170232524A1

公开(公告)日：2017-08-17

申请号：US15043685

申请日：2016-02-15

Applicant: Iscar, Ltd.

Inventor： DIMA MAKHLIN ,  Sergey CHISTYAKOV

IPC: B23B27/16

CPC classification number: B23B27/1622 ,  B23B27/045 ,  B23B2200/0485 ,  B23B2200/081 ,  B23B2200/321 ,  B23B2220/24

Abstract: A swiss insert includes a chip former arrangement. The chip former arrangement includes a ridge separated on each side from a cutting edge's sub-edge by a chip surface. In a side view, each sub-edge extends in a straight line.