公开(公告)号：US20240149356A1

公开(公告)日：2024-05-09

申请号：US18281599

申请日：2021-12-14

申请人： AB SANDVIK COROMANT

发明人： Denis BOING

IPC分类号： B23B1/00 ,  B23B27/14

CPC分类号： B23B1/00 ,  B23B27/143 ,  B23B2200/0428

摘要： A turning method for a CNC lathe involves at least two machining steps, wherein a cutting element is re-arranged between the machining steps such that a nominal rake angle (γn) is changed. Thereby, the effective tool life may be increased and a high quality of the machined surfaces, and a stable cutting process, may be achieved even with a worn tool. A system and a computer program for performing the method is also provided.

公开(公告)号：US11911827B2

公开(公告)日：2024-02-27

申请号：US17686540

申请日：2022-03-04

申请人： TUNGALOY CORPORATION

发明人： Yusuke Suzuki

IPC分类号： B23B27/14

CPC分类号： B23B27/141 ,  B23B27/143 ,  B23B2200/087 ,  B23B2200/202

摘要： There is provided a cutting insert having a low possibility that chips roughen a machined surface of a workpiece in back turning. The cutting insert includes a rake surface, a peripheral side surface, a front cutting edge which is provided on a ridge of the rake surface and the peripheral side surface, and a main cutting edge which is provided on the ridge so as to be continuous with the front cutting edge and has an extension direction which forms an obtuse angle with an extension direction of the front cutting edge, the main cutting edge is curved into a U shape over an entire length of an effective edge range which functions as a cutting blade, and the deepest point of the U shape is positioned in a range closer to a side of a corner than a position which divides a straight line connecting both ends of the main cutting edge at a ratio of 2:1 from the side of the corner positioned adjacent to the front cutting edge.

公开(公告)号：US11878352B2

公开(公告)日：2024-01-23

申请号：US17490300

申请日：2021-09-30

申请人： KENNAMETAL INC.

发明人： Igor Kaufmann ,  Sathish Kumar Nagarajan ,  Pradeep Soore

IPC分类号： B23B27/14 ,  B23B27/22 ,  B23B27/00

CPC分类号： B23B27/143 ,  B23B27/145 ,  B23B2200/205 ,  B23B2200/28 ,  B23B2200/32

摘要： A cutting insert is described. It has a cutting insert body with a central mounting section and at least one cutting edge. The cutting edge is wave-shaped and generally descending from an end section of the cutting edge towards a middle section of the cutting edge. Furthermore, a chip guiding recess extends substantially along the at least one cutting edge and is arranged between the cutting edge and the central mounting section. A chip breaker element is arranged in the chip guiding recess. The chip breaker element comprises a first portion having a first width and a second portion having a second width, wherein a transition between the first portion and the second portion is formed as a step.

公开(公告)号：US11654492B2

公开(公告)日：2023-05-23

申请号：US16898811

申请日：2020-06-11

申请人： KENNAMETAL INDIA LIMITED

发明人： Ravi Halasur ,  Mahesh Todkar

IPC分类号： B23B27/14 ,  B23B27/16 ,  B23B51/00

CPC分类号： B23B27/143 ,  B23B27/145 ,  B23B27/1611 ,  B23B51/0008 ,  B23B51/0011 ,  B23B2200/204 ,  B23B2200/208 ,  B23B2251/50

摘要： Drilling tool systems including a drilling body and a drilling inserts are disclosed. The drilling inserts include four indexable cutting edges. The four cutting edges may each comprise a plurality of cutting edge segments and a wiper edge. The plurality of cutting edge segments and the wiper edge are provided at distinct angles to provide effective chip breaking and a stronger cutting edge at the drilling insert corners. Furthermore, the side surfaces of the drilling inserts allow the drilling insert to be more stably supported in a pocket of the drilling body. The drilling inserts may be used in a peripheral pocket of a drilling body.

公开(公告)号：US20180009040A1

公开(公告)日：2018-01-11

申请号：US15552351

申请日：2016-02-23

申请人： TUNGALOY CORPORATION

发明人： Yasutake SASAKI

IPC分类号： B23B27/22 ,  B23B27/14

CPC分类号： B23B27/22 ,  B23B27/14 ,  B23B27/143 ,  B23B2200/0447 ,  B23B2226/125 ,  B23B2226/31 ,  B23B2226/315 ,  B23B2228/04 ,  B23B2228/08

摘要： A cutting tool having a cutting edge member which forms at least one corner part, wherein a material for the cutting edge member is selected from either diamond, an ultrahigh-pressure sintered body containing cubic boron nitride or a PVD or CVD coating applied to a surface of the ultrahigh-pressure sintered body. At least part of an intersecting edge between an end surface of the cutting edge member and a peripheral side surface thereof is provided with a cutting edge. A chip breaker comprising a breaker wall surface is formed in the end surface of the cutting edge member. The breaker wall surface has at least one projected surface part which bulges outwardly from the cutting tool. As viewed from the end surface, the recessed surface part is arranged so as to be apart from a virtual plane A which is defined so as to divide the corner part into halves.

公开(公告)号：US09707625B2

公开(公告)日：2017-07-18

申请号：US14381726

申请日：2013-02-08

申请人： KYOCERA Corporation

发明人： Chie Onodera

IPC分类号： B23B27/16 ,  B23B27/14 ,  B23B27/22

CPC分类号： B23B27/1607 ,  B23B27/143 ,  B23B27/22 ,  B23B2200/081 ,  B23B2200/201 ,  B23B2200/321 ,  Y10T82/10 ,  Y10T407/2268 ,  Y10T407/235

摘要： A cutting insert according to one aspect of the present invention includes a polygonal columnar shape, and includes an upper surface, a lower surface and a side surface located between the upper surface and the lower surface, and a cutting edge is formed at an intersecting portion between the upper surface and the side surface, the upper surface includes a main portion of a convex shape including a flat upper end surface, a first projecting portion which projects from the main portion to a corner portion of the upper surface, and a pair of second projecting portions which each project from the first projecting portion to a periphery of the upper surface to interpose a region between a front end of the first projecting portion and the corner portion, and each of upper ends of the pair of second projecting portions is spaced part from the first projecting portion.

公开(公告)号：US20170165757A1

公开(公告)日：2017-06-15

申请号：US14965952

申请日：2015-12-11

申请人： Kennametal Inc.

发明人： Jason Won Goldsmith ,  Kent Peter Mizgalski ,  Brad Daniel Hoffer ,  Lance David Brunetto

IPC分类号： B23B27/14 ,  B24B3/34 ,  B23P15/30

CPC分类号： B23B27/145 ,  B23B27/143 ,  B23B2200/0461 ,  B23B2200/0471 ,  B23B2200/087 ,  B23B2200/242 ,  B23B2200/328 ,  B23B2200/3663 ,  B23B2226/18 ,  B23P15/28 ,  B23P15/30 ,  B24B3/34

摘要： A cutting insert includes a body made of a ceramic material. The body has a first surface, a second surface and at least one flank surface extending between the first surface and the second surface. The first surface includes a chip forming feature extending in a radially outwardly direction to a cutting edge and extending in a radially inwardly direction to an inner edge. The chip forming feature includes a front wall that slopes downward from the cutting edge radially inward toward a rounded bottom surface and a back wall that slopes upward from the rounded bottom surface radially inward to the inner edge. The chip forming feature can include an optional land surface between the cutting edge and the front wall.

公开(公告)号：US20160339524A1

公开(公告)日：2016-11-24

申请号：US15112806

申请日：2015-02-06

申请人： Tungaloy Corporation

发明人： Takashi YAMAGUCHI

IPC分类号： B23B27/14

CPC分类号： B23B27/143 ,  B23B2200/0447 ,  B23B2200/081 ,  B23B2200/087

摘要： A cutting insert (1) includes at least one cutting edge (8) formed on an intersecting ridge line portion between a rake surface (6) and a flank (7), and at least one ridge (12). The cutting edge includes a cutting edge portion (9) extending along a corner portion (5) and a straight-line shaped cutting edge portion (10) connecting to the cutting edge portion (9). The ridge (12) is formed to rise on the rake surface (6). The ridge (12) extends from a portion of a rake surface inside the cutting edge portion of the corner portion toward a rake surface inside the straight-line shaped cutting edge portion.

摘要翻译： 切削刀片（1）包括形成在前刀面（6）和侧面（7）之间的相交脊线部分上的至少一个切削刃（8）和至少一个脊（12）。 切削刃包括沿着角部（5）延伸的切削刃部（9）和与切削刃部（9）连接的直线状切削刃部（10）。 脊（12）形成为在前刀面（6）上升高。 脊部（12）从角部的切削刃部的内侧的前表面的一部分向直线状的切削刃部内侧的前刀面延伸。

公开(公告)号：US20150328688A1

公开(公告)日：2015-11-19

申请号：US14715447

申请日：2015-05-18

申请人： SANDVIK INTELLECTUAL PROPERTY AB

发明人： Adam JOHANSSON ,  Gustav GEWERS

IPC分类号： B23B27/10 ,  B23B27/14

CPC分类号： B23B27/10 ,  B23B27/143 ,  B23B27/1618 ,  B23B27/1622 ,  B23B2200/0423 ,  B23B2200/321 ,  B23B2200/3627 ,  B23B2200/3681 ,  B23B2205/12 ,  B23B2205/16 ,  B23B2250/12 ,  Y10T407/14 ,  Y10T407/235

摘要： A turning tool holder includes a tool body, a cutting tool insert, and a shim. A coolant conduit system extends through the turning tool holder, a first portion of the coolant conduit system extending through the tool body and an end portion of the coolant conduit system extending through the shim. The end portion of the coolant conduit system includes a through hole extending from a first surface to an opposite second surface of the shim. The end portion has a coolant outlet opening at the second surface, the coolant outlet opening being formed by the shim alone. A jet of coolant from the coolant outlet opening may be directed towards a space expected to have a cutting zone of a workpiece. Further a cutting tool insert arranged to be used in a turning tool holder is disclosed.

摘要翻译： 车刀工具架包括工具主体，切削工具刀片和垫片。 冷却剂管道系统延伸穿过车削工具保持器，冷却剂管道系统的第一部分延伸穿过工具主体和冷却剂管道系统的延伸穿过垫片的端部。 冷却剂管道系统的端部包括从垫片的第一表面延伸到相对的第二表面的通孔。 端部在第二表面具有冷却剂出口，冷却剂出口由单独的垫片形成。 来自冷却剂出口开口的冷却剂射流可以被引向预期具有工件切割区域的空间。 此外，公开了一种布置成用于车削工具夹具中的切削刀具刀片。

公开(公告)号：US20150090080A1

公开(公告)日：2015-04-02

申请号：US14381244

申请日：2013-01-30

申请人： KYOCERA Corporation

发明人： Kouhei Sakai

IPC分类号： B23B27/14

CPC分类号： B23B27/143 ,  B23B27/16 ,  B23B27/1607 ,  B23B2200/081 ,  B23B2200/321 ,  Y10T82/10 ,  Y10T407/2268 ,  Y10T407/24

摘要： A cutting insert that has, in an upper surface, a convex portion including a main portion having a flat upper end surface, a first portion projecting from the main portion to a corner portion of the upper surface, a second portion projecting from the first portion to the corner portion, and a third portion projecting from the second portion to the corner portion. Upper end heights of the second portion and the third portion are fixed toward the corner portion, respectively. The first portion and the second portion are connected by a first flat inclined wall surface, the second portion and the third portion are connected by a second wall surface of a convex curved surface, and a front end of the third portion and the breaker groove are connected by a third wall surface of a convex curved surface.

摘要翻译： 1.一种切削镶片，其在上表面具有包括具有平坦的上端面的主要部分的凸部，从所述主要部分突出到所述上表面的角部的第一部分，从所述第一部分突出的第二部分 到角部，以及从第二部分突出到角部的第三部分。 第二部分和第三部分的上端高度分别固定在拐角部分。 第一部分和第二部分通过第一平坦的倾斜壁面连接，第二部分和第三部分通过凸曲面的第二壁面连接，第三部分的前端和断屑槽是 通过凸曲面的第三壁面连接。