公开(公告)号：US11235397B2

公开(公告)日：2022-02-01

申请号：US15382120

申请日：2016-12-16

Applicant: Kennametal Inc.

Inventor： Ruy Frota de Souza Filho ,  Nicholas J. Henry

IPC: B23B51/02 ,  B23B51/04

Abstract: A rotary cutting tool with a shank and an interchangeable cutting tip, wherein the shank includes a pocket which receives the interchangeable cutting tip via an interference fit. The pocket includes two centering wall portions which, when viewed along a central longitudinal axis, are oriented at a first angle with respect to one another, the first angle being greater than zero. The interchangeable cutting tip is axially displaceable between: an initial position, assumed upon being received in the pocket of the shank; a clamped position, wherein the interchangeable cutting tip is fixedly held with respect to the shank; and a bump-off position, wherein the interchangeable cutting tip is not fixedly held. A holding element holds the interchangeable cutting tip in the clamped position, and a bump-off element displaces the interchangeable cutting tip between the clamped position and the bump-off position. Other variants and embodiments are broadly contemplated herein.

公开(公告)号：US20170204676A1

公开(公告)日：2017-07-20

申请号：US15000090

申请日：2016-01-19

Applicant: Kennametal Inc.

Inventor： Nicholas J. Paros ,  Nicholas J. Henry ,  Chad A. Swope

IPC: E21B10/62 ,  E21D20/00

CPC classification number: E21B10/62 ,  E21D20/003

Abstract: A coupler for use with a roof drill bit includes an elongate coupler body having a forward end for removably attaching the roof drill bit thereto and a rearward drive end. The elongate coupler body contains an interior bore therein and a dust port formed on an outer surface of the elongate coupler body, wherein the dust port is in communication with the interior bore.

公开(公告)号：US11883888B2

公开(公告)日：2024-01-30

申请号：US17359977

申请日：2021-06-28

Applicant: Kennametal Inc.

Inventor： Ruy Frota de Souza Filho ,  Marcelo Euripedes Silva ,  Nicholas J. Henry

IPC: B23B51/02

CPC classification number: B23B51/02 ,  B23B2231/0204 ,  B23B2251/02 ,  B23B2251/082 ,  B23B2251/408 ,  B23B2251/50

Abstract: A rotary cutting tool with enhanced bump-off capability is disclosed. The cutting tool includes a tool shank having a pocket. A replaceable cutting head is at least partially disposed within the pocket of the tool shank with an interference fit. A coupling pin assembly is at least partially received within a bore of the tool shank. The coupling pin assembly comprises a sleeve member and a coupling pin at least partially disposed within the sleeve member. The sleeve member includes an upper portion and a lower portion having a non-circular cross-sectional shape with a bump-off surface. An actuation screw contacts the coupling pin assembly and causes the replaceable cutting head to move relative to the tool shank. The bump-off surface of the lower portion of the sleeve member extends radially outward with respect to the coupling pin by a distance, D, thereby providing enhanced bump-off capability.

公开(公告)号：US10850336B2

公开(公告)日：2020-12-01

申请号：US16250040

申请日：2019-01-17

Applicant: Kennametal Inc.

Inventor： Nicholas J. Henry ,  Tom Bobos ,  Keith Hoover

IPC: B23C5/28 ,  B23C5/06 ,  B23D77/00

Abstract: A coolant bonnet for a cutting tool includes a head portion, a shank portion, an internal coolant passage extending through the shank portion and into a coolant manifold disposed within the head portion, and one or more coolant ducts extending radially outward from the manifold to an outlet port. Each coolant duct is aligned with the chip flutes of the cutting tool and directs coolant at a predetermined exit angle in an axially rearward direction toward the cutting edges of a cutting insert mounted on the cutting tool. A method of providing coolant to a cutting edge of a cutting insert mounted on the cutting tool is also disclosed.

公开(公告)号：US20160271704A1

公开(公告)日：2016-09-22

申请号：US15141935

申请日：2016-04-29

Applicant: Kennametal Inc.

Inventor： Shi Chen ,  Nicholas J. Henry ,  Kent P. Mizgalski ,  Samuel L. Eichelberger

IPC: B23B27/10 ,  B23B27/16

CPC classification number: B23B27/10 ,  B23B27/1677 ,  B23B2205/00 ,  B23B2250/12 ,  B23B2260/03 ,  Y10T407/14

Abstract: A clamp assembly to secure a cutting insert to a holder that includes a clamp that has a distal end and a clamp projection depending from the distal end of the clamp. There is a coolant plate that has a top plate surface and a bottom plate surface wherein the top plate surface contains a recess that receives the clamp projection upon assembly of the clamp and the coolant plate. The bottom plate surface contains a bowl having an open bowl end wherein in operation the bowl directs coolant through the open bowl end toward the cutting insert. The assembly has a positioner extending between the clamp and the coolant plate so as to maintain a position of the clamp relative to the coolant plate upon the assembly of the clamp and the coolant plate.

Abstract translation: 一种用于将切削刀片固定到保持器上的夹具组件，该夹持器包括夹具，该夹具具有远离端部以及从夹具的远端悬挂的夹具突起。 存在具有顶板表面和底板表面的冷却剂板，其中顶板表面包含在组装夹具和冷却剂板时接收夹紧突起的凹部。 底板表面包含具有开口碗端的碗，其中在操作中，碗将冷却剂引导通过打开的碗端朝向切削刀片。 组件具有在夹具和冷却剂板之间延伸的定位器，以便在夹具和冷却剂板的组装时保持夹具相对于冷却剂板的位置。

公开(公告)号：US20150063926A1

公开(公告)日：2015-03-05

申请号：US14014668

申请日：2013-08-30

Applicant: Kennametal Inc.

Inventor： Qiang Wu ,  Christoph Gey ,  Horst M. Jaeger ,  Michael A. Weisel ,  Nicholas J. Henry

IPC: B23B27/10 ,  B23B51/06 ,  B23B27/16

CPC classification number: B23B27/10 ,  B23B27/141 ,  B23B27/1614 ,  B23B27/1651 ,  B23B51/06 ,  B23B2200/0409 ,  B23B2200/0447 ,  B23B2200/049 ,  B23B2200/086 ,  B23B2200/3618 ,  B23B2200/3627 ,  B23B2205/04 ,  B23B2205/12 ,  B23B2250/12 ,  B23B2251/50 ,  Y10T407/14

Abstract: An indexable cutting insert includes a rake face, a flank surface, a bottom surface, and a central aperture defined by an aperture side wall. The indexable cutting insert further has a mouth defined by a mouth surface. There is a primary coolant trough that has an aperture section in the side wall contained in the aperture side wall, a mouth section contained in the mouth surface, and a rake face section contained in the rake face. There is a radial angular coolant trough, which has an entrance end opening into a selected one of the primary coolant trough and the mouth. The radial angular coolant trough has an orientation wherein the central longitudinal axis thereof is generally perpendicular to a corresponding discrete cutting edge whereby during operation a coolant stream is directed toward the corresponding discrete cutting edge.

Abstract translation: 可转位的切削刀片包括前刀面，后刀面，底面以及由孔侧壁限定的中心孔。 可转位切削刀片还具有由口表面限定的口。 主冷却剂槽具有容纳在孔侧壁的侧壁中的开口部，容纳在口部表面的口部以及容纳在前刀面上的前刀面部。 存在径向角冷却剂槽，其具有入口端开口到主冷却剂槽和口中的选定的一个。 径向角冷却剂槽具有取向，其中其中心纵向轴线大致垂直于相应的离散切割边缘，由此在操作期间冷却剂流被引向相应的分立切割边缘。

公开(公告)号：US20220410285A1

公开(公告)日：2022-12-29

申请号：US17359977

申请日：2021-06-28

Applicant: Kennametal Inc.

Inventor： Ruy Frota de Souza Filho ,  Marcelo Euripedes Silva ,  Nicholas J. Henry

IPC: B23B51/02

Abstract: A rotary cutting tool with enhanced bump-off capability is disclosed. The cutting tool includes a tool shank having a pocket. A replaceable cutting head is at least partially disposed within the pocket of the tool shank with an interference fit. A coupling pin assembly is at least partially received within a bore of the tool shank. The coupling pin assembly comprises a sleeve member and a coupling pin at least partially disposed within the sleeve member. The sleeve member includes an upper portion and a lower portion having a non-circular cross-sectional shape with a bump-off surface. An actuation screw contacts the coupling pin assembly and causes the replaceable cutting head to move relative to the tool shank. The bump-off surface of the lower portion of the sleeve member extends radially outward with respect to the coupling pin by a distance, D, thereby providing enhanced bump-off capability.

公开(公告)号：US20180169771A1

公开(公告)日：2018-06-21

申请号：US15382120

申请日：2016-12-16

Applicant: Kennametal Inc.

Inventor： Ruy Frota de Souza Filho ,  Nicholas J. Henry

IPC: B23B51/04 ,  B23B51/02

CPC classification number: B23B51/048 ,  B23B51/02 ,  B23B2251/02

Abstract: A rotary cutting tool with a shank and an interchangeable cutting tip, wherein the shank includes a pocket which receives the interchangeable cutting tip via an interference fit. The pocket includes two centering wall portions which, when viewed along a central longitudinal axis, are oriented at a first angle with respect to one another, the first angle being greater than zero. The interchangeable cutting tip is axially displaceable between: an initial position, assumed upon being received in the pocket of the shank; a clamped position, wherein the interchangeable cutting tip is fixedly held with respect to the shank; and a bump-off position, wherein the interchangeable cutting tip is not fixedly held. A holding element holds the interchangeable cutting tip in the clamped position, and a bump-off element displaces the interchangeable cutting tip between the clamped position and the bump-off position. Other variants and embodiments are broadly contemplated herein.

公开(公告)号：US20140369772A1

公开(公告)日：2014-12-18

申请号：US13918192

申请日：2013-06-14

Applicant: Kennametal Inc.

Inventor： Shi Chen ,  Nicholas J. Henry ,  Kent P. Mizgalski ,  Samuel L. Eichelberger

IPC: B23B27/10 ,  B23B27/16

CPC classification number: B23B27/10 ,  B23B27/1677 ,  B23B2205/00 ,  B23B2250/12 ,  B23B2260/03 ,  Y10T407/14

Abstract: A clamp assembly to secure a cutting insert to a holder that includes a clamp that has a distal end and a clamp projection depending from the distal end of the clamp. There is a coolant plate that has a top plate surface and a bottom plate surface wherein the top plate surface contains a recess that receives the clamp projection upon assembly of the clamp and the coolant plate. The bottom plate surface contains a bowl having an open bowl end wherein in operation the bowl directs coolant through the open bowl end toward the cutting insert. The assembly has a positioner extending between the clamp and the coolant plate so as to maintain a position of the clamp relative to the coolant plate upon the assembly of the clamp and the coolant plate.

Abstract translation: 一种用于将切削刀片固定到保持器上的夹具组件，该夹持器包括夹具，该夹具具有远离端部以及从夹具的远端悬挂的夹具突起。 存在具有顶板表面和底板表面的冷却剂板，其中顶板表面包含在组装夹具和冷却剂板时接收夹紧突起的凹部。 底板表面包含具有开口碗端的碗，其中在操作中，碗将冷却剂引导通过打开的碗端朝向切削刀片。 组件具有在夹具和冷却剂板之间延伸的定位器，以便在夹具和冷却剂板的组装时保持夹具相对于冷却剂板的位置。

公开(公告)号：US20130078043A1

公开(公告)日：2013-03-28

申请号：US13679435

申请日：2012-11-16

Applicant: Kennametal Inc.

Inventor： Nicholas J. Henry ,  Shi Chen ,  Kent P. Mizgalski

IPC: B23B27/10

CPC classification number: B23B27/10 ,  B23B27/1622 ,  B23B27/164 ,  B23B2200/0461 ,  B23B2200/086 ,  B23B2205/04 ,  B23B2205/16

Abstract: A cutting assembly useful for the chipforming removal of material from a workpiece at the cutting insert-workpiece interface. The cutting assembly has a holder with a coolant passage and a seat. As one option, a stud extends away from the seat and facilitates coolant flow to an insert locking cap, which attaches to the stud. The insert locking cap directs coolant flow toward the cutting insert-workpiece interface. As another option, a diverter plate has a bottom surface with a bowl and an arcuate forward surface with one or more openings. Coolant flows from the coolant passage into the bowl then exits through at least one opening in the arcuate forward surface towards the cutting insert-workpiece interface.

Abstract translation: 一种切割组件，可用于在切削刀片 - 工件界面处从工件上去除材料的芯片成型。 切割组件具有带有冷却剂通道和座的保持器。 作为一种选择，螺柱远离座椅延伸，并且便于冷却剂流到附接到螺柱的插入物锁定帽。 插入锁定帽将冷却剂流引导到切削刀片 - 工件接口。 作为另一选择，分流板具有带有碗的底表面和具有一个或多个开口的弓形前表面。 冷却剂从冷却剂通道流入碗中，然后通过弧形前表面中的至少一个开口离开切削刀片 - 工件接口。