Kennametal Inc.

Other

Kennametal India Limited

Keenametal Inc.

Igor Kaufmann

Anwar Sadat Mohideen Abdul

Shi Chen

Franz Havrda

Samuel Eichelberger

Sathish Kumar Nagarajan

Jason Won Goldsmith

Rudi Hartlohner

Yogesh Basavaraju

Iranna Shidrameshetra

Fabian Birkmann

Qi Wang

Satish Chinnakar

Ruy Frota De Souza Filho

Neal Myers

Dominik Schmid

John C Musil

Raouf Ben Amor

Scott W Lebo

Scott Etling

Tony Schmitz

Yingwei Wu

Anwar Mohideen Abdul

Hariharan Suryanarayanan

Raouf Benamor

Manoj Krishnamoorthy

Shiva Pinnoju

Rudi Hartlöhner

Pradeep Soore

A turning toolholder includes a shank, a club head, and a clamp and a clamp screw for clamping a cutting insert. The club head includes a clamp coolant supply hole in fluid communication, a flank coolant supply hole and an auxiliary rake coolant supply hole, all in fluid communication with the main coolant supply hole. Coolant is supplied through a rake coolant exit opening formed in the forward nose portion of the clamp to direct coolant to the top rake surface of the cutting insert, and coolant is supplied through a flank coolant exit opening located below the insert-receiving pocket to provide coolant to the side flank surfaces of the cutting insert. In addition, an auxiliary rake coolant supply housing formed on a top surface of the club head supplies additional coolant to the top rake surface of the cutting insert during high heat applications.

Turning toolholder with enhanced coolant delivery system

A cutting insert for a machining tool having a cutting edge and a flute extending along the cutting edge is described. A chip breaker element which projects into the interior of the flute is disposed in the flute. Said chip breaker element comprises a chip guiding surface and each point of the chip guiding surface has a spacing from a flute contour that is greater than zero. The chip guiding surface furthermore either extends parallel to the flute contour and/or curved along two directions. A machining tool having such a cutting insert is presented as well.

Cutting insert and machining tool

Cutting tool holders are disclosed that include vibration dampening elements. The vibration dampening elements may extend parallel to a longitudinal plane of the cutting tool holder. The vibration dampening elements allow the cutting tool holders to have a smaller width while still providing higher grooving depth.

Cutting tool holder with improved dampening effect

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.

Cutting insert

Holders are described herein providing secure clamping and/or positioning of cutting inserts. Briefly, a holder for a cutting insert comprises a base and a slot for receiving the cutting insert, wherein the slot forms an angle with the base ranging from 10 degrees to 60 degrees.

Cutting insert holder and applications thereof

A turning tool holder with a turning tool holder shank and a turning tool holder head is described. In an installed position of the turning tool holder, a longitudinal extension direction of the turning tool holder head is a longitudinal extension direction of the turning tool holder shank which continues straight-ahead, at an angle, or over a radius. The turning tool holder head, seen in its longitudinal extension direction, thereby has two side faces, wherein a lateral coolant outlet is provided on one of the side faces, the lateral coolant outlet center axis of which lateral coolant outlet, in plan view, is predominantly oriented along the longitudinal extension direction of the turning tool holder head. In addition, a turning tool with such a turning tool holder is presented.

Turning tool holder and turning tool

A tangential cutting insert for a turning tool is described, which comprises a first tangential cutting insert side and a second tangential cutting insert side, wherein one of the tangential cutting insert sides is assigned more than two cutting edges, and the cutting edges are arranged in a star shape about a tangential cutting insert center axis. The tangential cutting insert is produced completely from cubic crystalline boron nitride, polycrystalline cubic boron nitride, polycrystalline diamond, or ceramic. In addition, a cutting tool with such a tangential cutting insert is presented. A method for producing a tangential cutting insert is also explained.

Tangential cutting insert, cutting tool with a tangential cutting insert, and method for producing a tangential cutting insert

A parting lathe tool for machining metal is described. This has a clamping seat for receiving a cutting insert and an internal coolant supply system for supplying coolant to a cutting zone. In this case, the coolant supply system comprises at least three coolant outlets. The coolant outlets are fluidically connected to a coolant supply port via at least two separate coolant lines running within the parting lathe tool.

Parting lathe tool

A clamp for a tool holder is disclosed. The clamping tool holder includes a body having an insert-receiving pocket and a threaded clamp-receiving bore with a coolant opening for receiving pressurized coolant from a coolant source. A clamp includes a threaded aperture extending from a top surface to a bottom surface and coolant passages in fluid communication with a coolant header. A clamp screw is threaded into the threaded aperture of the clamp. The clamp screw includes a plurality of coolant passages in fluid communication with the coolant opening of the body, and at least one coolant channel in fluid communication with the coolant passage. Coolant from the coolant source enters the coolant opening of the body, travels into the clamp screw, travels into each coolant passage of the clamp, and then exits the clamp in a direction toward a cutting insert-workpiece interface.

Clamp for tool holder

A cutting insert includes a tool carrier having a body with a pocket, and a cutting tip affixed to the pocket by brazing. The pocket is defined by a vertical back wall and a horizontal support surface. A notch is formed at the intersection between the vertical back wall and the horizontal support surface. The notch has a non-planar first portion proximate the vertical back wall and formed with a radius, R, and a planar second portion extending between the first portion and the horizontal support surface and formed at an inclination angle with respect to a plane parallel to the horizontal support surface of the pocket. The design of the notch significantly reduces thermal stress and eliminates the formation of cracks in the pocket of the tool carrier when using an injection molding process to form the tool carrier.

Tool carrier with notch, cutting insert and method for making same

In the case of a tool holder having a receptacle for a cutting insert, in particular a tangential cutting insert having eight lips, having a lateral bearing surface, a rear bearing surface and a bottom surface, the bottom surface is quadrangular in plan view and has a raised supporting region which has two supporting surfaces, positioned obliquely with respect to one another, for the cutting insert.

Tool holder for tangential cutting insert

The invention relates to a tool holder () for a cutting insert (), having a tool holder body (), a recess () for a cutting insert (), a clamping element () that can tightly clamp a cutting insert () in the recess (), and at least one cooling channel () through which the coolant can be conducted to the cutting insert (), characterized in that the cross-sectional area and/or the cross-sectional shape of the cooling channel () changes along its length. The invention also relates to a process for manufacturing such a tool holder (), wherein the clamping element () is manufactured along with at least one part of the tool holder body () in an additive layer process.

Tool holder for a cutting insert and process for manufacturing the tool holder

The invention relates to an interchangeable cutting insert () having a shank (), which transitions into a cutting head (), which has a chipping surface (), which, when viewed from above, is a segment of a circle with a height greater than the radius of the chipping surface (), wherein the chord of the segment of a circle constitutes the transition to the shank (), wherein a cutting edge () is formed on the outer edge of the chipping surface and multiple chip-breaking structures () are provided on the chipping surface (), the chip-breaking structures having depressions () in the chipping surface (), between which projections () are arranged, which protrude beyond the chipping surface ().

A cutting tool includes a cutting insert mounted to a head attached to a collar at a first end of the cutting tool. A shank is located at a second, opposite end of the cutting tool. A central cavity extends inwardly from the first end toward the shank. An eddy current vibration absorber assembly is disposed within the central cavity. The eddy current vibration absorber assembly includes an absorber mass made of an electrically conductive material, a magnetic material proximate the absorber mass, and a support member for supporting the absorber mass within the central cavity. The eddy current vibration absorber assembly is tuned by selectively adjusting a distance between the absorber mass and the magnetic material.

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Nürnberg, Germany

Igor Kaufmann