公开(公告)号：US11097362B2

公开(公告)日：2021-08-24

申请号：US16708826

申请日：2019-12-10

申请人： Iscar, Ltd.

发明人： Yuri Men

IPC分类号： B23C5/10 ,  B23C5/22

摘要： A cutting insert has opposing upper and lower surfaces interconnected by a peripheral side surface, an insert axis passing through the upper and lower surfaces, and first and second upper cutting edges formed at the intersection of the upper surface and the peripheral side surface. A lower central protuberance having first, second, third and fourth abutment walls extends downwardly from the lower surface. In a cross-section taken in a first horizontal plane perpendicular to the insert axis and intersecting the lower central protuberance, the first, second, third and fourth abutment walls define an imaginary quadrilateral having diagonally opposing first and third internal angles and diagonally opposing second and fourth internal angles. The first and third internal angles are equal to each other, and the second and fourth internal angles are not equal to each other. Two cutting inserts are removably secured in a rotary cutting tool.

公开(公告)号：US11090740B2

公开(公告)日：2021-08-17

申请号：US16273775

申请日：2019-02-12

申请人： Iscar, Ltd.

发明人： Sagi Elkayam

IPC分类号： B23P15/34 ,  B23B27/16 ,  B23C5/22 ,  B23C5/06

摘要： A cutting body rotatable about a tool axis has an insert receiving pocket with a seat surface at an axial forward end thereof. The seat surface has a plurality of abutment elements, including an axial abutment element having an axially forward facing abutment surface and at least one radial abutment element. In a top view of the insert receiving pocket, the axially forward facing abutment surface forms an external acute clamping angle with a radially outward facing pocket wall. A rotary cutting tool includes the cutting body, and a cutting insert removably secured in the insert receiving pocket, having a base surface in contact with the seat surface. The at least one radial abutment element occupies or is occupied by at least one radial abutting element of the base surface, and the axially forward facing abutment surface is in contact with an axial abutting surface of the base surface.

公开(公告)号：US11090730B2

公开(公告)日：2021-08-17

申请号：US16411189

申请日：2019-05-14

申请人： Iscar, Ltd.

发明人： Gil Hecht

IPC分类号： B23B27/02 ,  B23B27/00

摘要： An indexable cutting insert has a central mounting portion and two cutting portions. The central mounting portion has opposing upper and lower surfaces. The lower surface has two abutment elements associated therewith, each abutment element having two diverging abutment surfaces forming two abutment angles. The two cutting portions extend away from the central mounting portion, have distal cutting edges, and are entirely located in diagonally opposite imaginary quadrants of four quadrants defined by two mutually perpendicular quadrant planes. Two abutment bisector planes bisecting the two abutment angles and one of the quadrant planes are parallel or coincident. In a top view, the two cutting portions extend away from the central mounting portion in opposite directions. Two cutting bisector lines parallel to the two directions and bisecting the two cutting edges are mutually offset. A cutting tool has an insert holder and the cutting insert removably retained therein.

公开(公告)号：US20210170504A1

公开(公告)日：2021-06-10

申请号：US16708826

申请日：2019-12-10

申请人： Iscar, Ltd.

发明人： YURI MEN

IPC分类号： B23C5/10 ,  B23B27/16 ,  B23C5/22

摘要： A cutting insert has opposing upper and lower surfaces interconnected by a peripheral side surface, an insert axis passing through the upper and lower surfaces, and first and second upper cutting edges formed at the intersection of the upper surface and the peripheral side surface. A lower central protuberance having first, second, third and fourth abutment walls extends downwardly from the lower surface. In a cross-section taken in a first horizontal plane perpendicular to the insert axis and intersecting the lower central protuberance, the first, second, third and fourth abutment walls define an imaginary quadrilateral having diagonally opposing first and third internal angles and diagonally opposing second and fourth internal angles. The first and third internal angles are equal to each other, and the second and fourth internal angles are not equal to each other. Two cutting inserts are removably secured in a rotary cutting tool.

公开(公告)号：US11027342B2

公开(公告)日：2021-06-08

申请号：US16366088

申请日：2019-03-27

申请人： Iscar, Ltd.

发明人： Osama Atar

IPC分类号： B23C5/20

摘要： A cutting insert has two opposing end surfaces interconnected by a peripheral side surface, the peripheral side surface having two major side surfaces and two minor side surfaces. Major edges are formed at the intersection of the major side surfaces and the end surfaces. Each end surface has two diagonally opposed raised corners and two diagonally opposed lowered corners with respect to a median plane, each raised corner adjoining one of the major edges at a first major point and each lowered corner adjoining one of the major edges at a third major point. In a major side view, each major edge has an associated first imaginary straight line containing its first and third major points, and an elevated edge portion located on one side of the first imaginary straight line. The cutting insert is removably secured in a rotary cutting tool.

公开(公告)号：US20210101213A1

公开(公告)日：2021-04-08

申请号：US16591765

申请日：2019-10-03

申请人： Iscar, Ltd.

发明人： NIR COHEN ,  Mark ASHQAR

IPC分类号： B23B27/16

摘要： A rotary cutting tool includes a tool holder. The tool holder has holder body and an adjustment sleeve circumferentially disposed thereabout. The adjustment sleeve has an at least one sleeve adjustment groove which decreases in distance from a sleeve central axis in a rotational sleeve direction. The tool holder further has a plurality of insert cartridges, each having an insert pocket and at least one cartridge pin. At least one pin is located in a respective sleeve adjustment groove. The tool holder is adjustable between inner and outer adjusted positions by rotating the adjustment sleeve in the rotational sleeve direction. In the outer adjusted position, the insert cartridges are displaced in an outwards adjusted direction so that the insert pockets are radially outwards compared to the inner adjustment position.

公开(公告)号：US10953474B2

公开(公告)日：2021-03-23

申请号：US16357565

申请日：2019-03-19

申请人： Iscar, Ltd.

发明人： Gil Hecht ,  David Ben Harouche

IPC分类号： B23B27/16 ,  B23B27/04 ,  B23B29/02 ,  B23B29/04 ,  B23B29/22

摘要： A cutting tool includes a cutting insert resiliently clamped in an insert holder. The insert holder has a holder longitudinal axis defining opposite forward to rearward directions, and a transversely oriented insert receiving pocket having a pocket longitudinal axis and a pocket front opening. The insert holder includes a forwardly located insert mounting portion that includes upper and lower jaws which together define the insert receiving pocket. The insert receiving pocket at the lower jaw includes a pocket lower clamping surface. The insert receiving pocket at the upper jaw includes a pocket upper clamping surface which faces mutually towards the pocket lower clamping surface. The insert receiving pocket at one of the upper and lower jaws includes a pocket stopper surface facing generally towards the pocket front opening. The upper jaw includes an outer flexibility groove recessed in the holder peripheral surface.

公开(公告)号：US10953471B2

公开(公告)日：2021-03-23

申请号：US15953726

申请日：2018-04-16

申请人： Iscar, Ltd.

发明人： Meir Herman ,  Jony Saffouri ,  Meir Bar Hen

IPC分类号： B23B29/02 ,  B23B27/00

摘要： An external turning tool includes an elongated tool body with opposite clamping and cutting portions which define an axial direction therebetween. The cutting portion includes a damping mechanism with an elongated damping member which defines an elongation axis. The elongation axis forms a non-zero damping member angle with the axial direction.

公开(公告)号：US20210023633A1

公开(公告)日：2021-01-28

申请号：US17069974

申请日：2020-10-14

申请人： Iscar, Ltd

发明人： SHIMON ATHAD

IPC分类号： B23C5/10 ,  B23C5/22

摘要： A cutting tool includes a two-way indexable cutting insert clamped in a transversely oriented insert receiving pocket of an insert holder. The insert holder includes a forwardly located insert mounting portion that includes upper and lower jaws which together define the insert receiving pocket having a pocket front opening. The lower jaw includes a pocket lower clamping surface. The upper jaw includes a pocket upper clamping surface which faces mutually towards the pocket lower clamping surface and a pocket stopper surface facing generally towards the pocket front opening. The pocket stopper surface is closer to the pocket lower clamping surface and further from the pocket front opening, than the pocket upper clamping surface. The pocket stopper surface is further from the pocket rear opening than the pocket lower clamping surface.

公开(公告)号：US10744571B2

公开(公告)日：2020-08-18

申请号：US16364816

申请日：2019-03-26

申请人： Iscar, Ltd.

发明人： Raz Fisher ,  Hanoch Guy

IPC分类号： B23B31/107 ,  B23B31/00 ,  B23B31/02 ,  B23B31/113

摘要： A rotating tool includes a circumferential surface formed with a tool anchorage arrangement. The tool anchorage arrangement follows a stepped path. The tool anchorage arrangement includes an entry recess and, subsequent thereto, a radial recess and, subsequent thereto, an axial recess. Additional radial and axial recesses may be alternated to increase the number of steps, thereby extending the length of the stepped path.