Abstract: A set of cutting inserts includes a stem portion, a plurality of branch portions attached to and extending from the stem portion, and at least one cutting insert attached to each of the plurality of branch portions. The stem portion has a longitudinal axis extending between a top end of the stem portion and a bottom end of the stem portion and at least one of the top end of the stem portion is disposed along the longitudinal axis above uppermost portions of each cutting insert, and the bottom end of the stem portion is disposed along the longitudinal axis below lowermost portions of each cutting insert. Also, methods for manufacturing a set of cutting inserts are disclosed.

Abstract: The rotatable cutting tool includes a cutting portion extending from the front end and a mounting portion extending from the rear end. The cutting portion includes a front end face surface and a peripheral surface extending from the front end face surface towards the mounting portion. The peripheral surface includes first helical flutes extending from the front end to a first helical flute rear end and second helical flutes extending from a second helical flute front end to a second helical flute rear end. The first helical flutes are helically aligned about the longitudinal axis and form a first helix angle. The second helical flutes are helically aligned about the longitudinal axis and form a second helix angle. The first helix angle decreases in absolute value away from the front end and/or that the second helix angle increases in absolute value away from the front end.

Abstract: A grooving blade for chip removing machining includes a cutting insert pocket and a damping arrangement fixed to the blade. The damping arrangement projects laterally with respect to at least one major surface of the blade. A grooving tool and a method of grooving a metallic workpiece are also disclosed.

Abstract: A coated cutting tool includes a body and a hard and wear resistant coating on the body. The coating has at least one NbN layer with a thickness between 0.2 ?m and 15 ?m, wherein the NbN layer includes a phase mixture of a cubic phase, c-NbN, and a hexagonal phase, h-NbN.

Abstract: The present disclosure relates to a cutting tool for metal chip removing machining having at least one internal coolant channel for fluid having a flow direction. The at least one internal coolant channel having a length and including a plurality of grooves extending internally at least partially along the coolant channel.

Abstract: A cutting insert includes a rake end surface having four corners and, in a center thereof, a central surface portion. A supporting end surface has four corners and, in a center thereof, a central supporting surface portion. A peripheral side surface extends between the rake end surface and the supporting end surface. The peripheral side surface includes two opposing major side surfaces. A hole extends through the cutting insert from one of the major side surfaces to the other of the major side surfaces, wherein the central surface portion is disposed at a greater distance from a central axis (A) of the hole than is the central supporting surface portion. The single-sided cutting insert has a corner radii or cutting edge radii that extend over at least a quarter of a width of the cutting insert.

Abstract: A metal cutting tool includes a tool holder, a seat in the tool holder defined by side walls and a bottom surface. A replaceable element formed by an insert seating anvil is positioned in the seat and secured by a fastening device. A cutting insert is supported on a base surface of the anvil. The anvil has a projecting element formed integrally with the anvil. The projecting element is rigid and has a dove tail shape in top view, wherein the projecting element base and lower surfaces form coplanar extensions of the base and lower surfaces of the rest of the anvil.

Abstract: A coated cutting tool includes a body and a hard and wear resistant coating on the body. The coating has at least one metal based nitride layer, wherein the layer is a nitrogen deficient (Ti1-xAlx)Ny layer with 0<x<0.7 and 0.4<y<1 and a layer thickness between 0.5 ?m and 15 ?m.

Abstract: A hobbing tool includes a hob body having at least one axially extending slot, and at least one cassette removably disposed in the at least one slot. The at least one cassette includes at least one seating recess having at least a bottom abutment surface and two side abutment surfaces. At least one cutting insert is removably mounted in the at least one seating recess. The at least one cutting insert has at least one bottom supporting surface and two side supporting surfaces that abut the bottom abutment surface and the two side abutment surfaces when the at least one cutting insert is received in the at least one seating recess. The hob body includes a plurality of axially extending slots. The hobbing tool also includes a corresponding plurality of cassettes removably mounted in the plurality of axially extending slots. Each cassette of the plurality of cassettes is identical to every other cassette of the plurality of cassettes.

Abstract: The present disclosure relates to a tool having a holder body, a cutting insert and a nozzle. The nozzle includes a single through hole for a fastening member. The nozzle has a forward end, a rear end and a bottom face. The through hole extends between the bottom face and an opposite top face. At least one internal coolant channel is provided in the nozzle and extends from a first opening to a second opening. The first opening connects to a coolant supply conduit in the holder body. The second opening serves as an exit for the coolant at the forward end. The at least one coolant channel and the first opening are spaced from the through hole.

Abstract: A green body for a cross-hole, compacted cutting insert, as well as a cutting insert, equipment for making a green body, and method for making a green body, wherein the green body includes a first side, a second side, and a side surface extending between the first side and the second side entirely around the first side and the second side. The green body includes a quadrilateral-shaped cross-hole extending through the green body from a first location on the side surface to a second location on the side surface on an opposite side of the green body from the first location. The quadrilateral-shape of the cross-hole can assist in achieving a more uniform density of compactable material in the green body.

Abstract: A coated cutting tool includes a body and a hard and wear resistant PVD coating on the body, wherein the body is made from a cemented carbide, cermet, ceramics, polycrystalline diamond or polycrystalline cubic boron nitride based materials. The coating includes a first (Ti,Al)-based nitride sub-coating and a second (Ti,Al)-based nitride sub-coating. The first (Ti,Al)-based nitride sub-coating can be a single layer, and the second (Ti,Al)-based nitride sub-coating can be a laminated structure, wherein the first (Ti,Al)-based nitride sub-coating includes a (Ti1-xAlx)Nz-layer where 0.1<x<0.4, 0.6<z<1.2, and wherein the second (Ti,Al)-based nitride sub-coating includes a (Ti1-x1-y1Alx1Cry1)Nz1 layer where 0.5<x1<0.75, 0.05<y1<0.2, 0.6<z1<1.2.

Abstract: Indexable, double-sided turning inserts for turning operations and and a turning tool are provided with cutting edges at alternating corners on opposite sides of the insert. Chipbreaker structures can be provided without interfering with providing large supporting surfaces. When the insert is used in a cutting operation, chips from one of the cutting edges in use are unlikely to damage cutting edges that are not in use but are on adjacent corners.

Abstract: A tool for machining a stacked material workpiece includes a tool body having one or more helical flutes extending to a forward end of the tool body. Each helical flute has a width defined by a first cutting edge and a second edge, a surface of the flute adjacent the first cutting edge facing the forward end of the tool body and a surface of the flute adjacent the second edge facing away from the forward end of the tool body. Each helical flute can include a first portion having a first negative pitch angle and a second portion having a second negative pitch angle different from the first negative pitch angle, the first portion extending from the forward end of the tool body to the second portion. The tool has only negative pitch angles. A method for machining a stacked material is also disclosed.

Abstract: A method for manufacturing a cemented carbide body includes the steps of forming a first part of a first powder composition comprising a first carbide and a first binder phase, sintering the first part to full density in a first sintering operation, forming a second part of a second powder composition comprising a second carbide and a second binder phase, sintering the second part to full density in a second sintering operation, bringing a first surface of the first part and a second surface of the second part in contact, and joining the first and second surface in a heat treatment operation.

Abstract: A deburring tool includes a shank attached at a first end to a chuck and a working portion at a second end of the shank. The working portion includes a first end portion closest to and joining the second end of the shank at a first end of the first end portion, a second end portion furthest from the shank, and an intermediate portion disposed between the first end portion and the second end portion, a first end of the intermediate portion joining a second end of the first end portion and a second end of the intermediate portion joining a first end of the second end portion. The intermediate portion tapers continuously from a largest diameter at the first end of the intermediate portion to a smallest diameter at the second end of the intermediate portion, and deburring cutter members provided on the second end portion adjacent the second end of the intermediate portion.

Abstract: A tool having a toolholder and a cutting insert disposed in the pocket of the toolholder. The cutting insert includes a hole having a cutting insert clamping surface that is contacted by the clamp clamping surface. The clamp clamping surface and the cutting insert clamping surface are formed, such that as a clamp bottom surface is moved toward a bottom surface of the pocket, when a post is in a post hole and a fastener is in a clamp hole and a toolholder hole, the cutting insert is urged against the bottom surface and a rear wall. A tool holder is also disclosed.

Abstract: A cutting tool includes a tool holder body having a shank portion and a head portion, and an indexable cutting insert arranged in a cutting insert seat. The cutting insert includes a cutting edge and a clearance surface. The insert seat has a first convex wall and a second convex wall and at least one bottom surface at which the cutting insert is arranged to abut. The convex walls are situated on separate pins, which are perpendicular or substantially perpendicular to each other when seen in a side view. The second convex wall is situated below the cutting edge.

Abstract: A double-sided cutting insert includes two end surfaces that each includes major rake surfaces adjacent major cutting edges that form first angles with planes of major side surfaces of the insert, and a central support surface forming a second angle with the planes of the major side surfaces. Each end surface further includes major intermediate surfaces between the major rake surfaces and the central support surface. The major intermediate surfaces form third angles with the planes of the major side surfaces that are greater than the first angles and smaller than the second armies when measured in a central plane that extends along a central axis of the hole and is generally perpendicular to the planes of the major side surfaces and planes of the central support surfaces.

Abstract: A coupling and a blade for a cooling system in a cutting tool includes a first member including a shank having a first end and a second end. The first end of the shank defines a first end of the first member, and a head of the first member disposed at the second end of the shank and a top of the head of the first member defines a second end of the first member. The head of the first member is frustoconical and the first member includes a longitudinal passage in the shank. A radial opening in the head of the first member is in fluid communication with the longitudinal passage.