Abstract: A cutting insert for a tool for machining a workpiece. The cutting insert comprises a rake face with a chip shaping geometry which is particularly suitable for machining titanium and titanium alloys. The chip shaping geometry is designed in such a way that the chip lifted from the workpiece is deformed comparatively strongly about its longitudinal axis. The chip shaping geometry is arranged at least in a rear area of the rake face, which is laterally bounded by a first concavely curved portion and a second concavely curved portion of the minor cutting edges of the cutting insert.

Abstract: A drilling tool comprising a tool holder that extends along a central axis and comprises a first cutting insert receptacle having a first abutment surface oriented parallel to the central axis.

Abstract: A chamfer tool which comprises a tool holder. The tool holder extends along a central axis and comprises a plurality of slot-shaped cutting insert receptacles, each having two opposing lateral abutment surfaces and a base abutment surface arranged between the two lateral abutment surfaces and extending transversely thereto. The chamfer tool further comprises a plurality of cutting inserts, which are fixed in the plurality of cutting insert receptacles in a firmly bonded manner, wherein each of the cutting inserts comprises two opposing lateral surfaces, which abut against or are connected in a firmly bonded manner to the two lateral abutment surfaces of the respective cutting insert receptacle, and a lower surface arranged between the two lateral surfaces and extending transversely thereto, wherein the lower surface abuts against or is connected in a firmly bonded manner to the base abutment surface of the respective cutting insert receptacle.

Abstract: A whirling tool configured to machine a workpiece. The whirling tool includes a plurality of cutting inserts, a cutting insert carrier, and a coolant channel which is arranged in the cutting insert carrier. The cutting insert carrier includes a plurality of cutting insert receptacles for receiving and releasably fastening respectively one of the cutting inserts. The cutting insert receptacles are arranged distributed in the circumferential direction over the cutting insert carrier. The cutting insert carrier further includes a through-opening which extends along a central axis of the cutting insert carrier, and through which the workpiece can be passed during the machining. The cutting inserts protrude into the through-opening, and the coolant channel extends between an inlet opening and an outlet opening, wherein the outlet opening leads into the through-opening and/or is oriented towards the through-opening.

Abstract: A cutting insert includes a cylindrical body portion, a cutting portion, a first fitting portion, a second fitting portion, and a third fitting portion. The cutting portion includes a rake face and a flank face. A ridgeline between the rake face and the flank face constitutes a cutting edge. When viewed in the axial direction, the cutting portion is provided opposite to the third fitting portion relative to the insertion hole. When viewed in the axial direction, a straight line extending through an outer circumferential end of the cutting edge and a center of the insertion hole overlaps with the third fitting portion and is located between the first fitting portion and the second fitting portion. A third central angle is smaller than a first central angle and is smaller than a second central angle.

Abstract: Milling tool holder which comprises a first holder part, a second holder part, and a locking mechanism. The first holder part comprises a first cutting insert receptacle for receiving a first cutting insert and a second cutting insert receptacle for receiving a second cutting insert. The second holder part which, for adjusting a milling width, is variably positionable with respect to the first holder part along a longitudinal axis, comprises a third cutting insert receptacle for receiving a third cutting insert and a fourth cutting insert receptacle for receiving a fourth cutting insert. The locking mechanism is configured to fix the first and second holder parts to the adjusted milling width.

Abstract: Tool for machining a workpiece, comprising: a holder having a first internal coolant duct; a cutting insert having a main cutting edge; a first fastening element for releasably fastening the cutting insert to the holder; a plate-like coolant guiding attachment having a second internal coolant duct; and a second fastening element for releasably fastening the coolant guiding attachment to the holder. In the assembled state of the tool, the first internal coolant duct is fluidically connected to the second internal coolant duct and the coolant guiding attachment covers at least a part of the cutting insert.

Abstract: A cutting insert includes a cylindrical body portion, a cutting portion, a first fitting portion, a second fitting portion, and a third fitting portion. The cutting portion includes a rake face and a flank face. A ridgeline between the rake face and the flank face constitutes a cutting edge. When viewed in the axial direction, the cutting portion is provided opposite to the third fitting portion relative to the insertion hole. When viewed in the axial direction, a straight line extending through an outer circumferential end of the cutting edge and a center of the insertion hole overlaps with the third fitting portion and is located between the first fitting portion and the second fitting portion. A third central angle is smaller than a first central angle and is smaller than a second central angle.

Abstract: A cutting insert for a tool for machining a workpiece, comprising a first side, an opposite second side and a bore running along a bore axis. The bore penetrates the cutting insert and extends from the first side to the second side. The cutting insert comprises at least three cutting heads arranged distributed on a periphery of the cutting insert, wherein each of the at least three cutting heads comprises a cutting edge, which runs transversely to the first side and the second side and extends between the first side and the second side. The at least three cutting heads comprise a first cutting head, a second cutting head, which in a peripheral direction directly follows the first cutting head, and a third cutting head, which in the peripheral direction directly follows the second cutting head. The cutting insert has a first support surface arranged on the first side, which first support surface runs orthogonal to the bore axis and at least partially surrounds the bore.

Abstract: A cutting insert, an associated tool holder, and a tool comprising such a cutting insert and such a tool holder. The cutting insert has a base body, which defines a cutting insert longitudinal axis, at least one cutting body, which laterally projects from a periphery of the base body and comprises a cutting edge, and a cutting insert bore, which is provided in the base body and extends along the cutting insert longitudinal axis, wherein on an underside, running transversely to the cutting insert longitudinal axis, of the base body are provided a plurality of elevations, which are arranged distributed in the peripheral direction and protrude from the underside of the base body, so that, between respectively two adjacent elevations, a relative depression is respectively obtained, wherein the cutting insert comprises at least one radial contact surface, a plurality of axial contact surfaces and a plurality of torque transfer surfaces for a bearing contact of the cutting insert against the tool holder.

Abstract: A cutting insert for a tool for machining a workpiece, comprising a first cutting edge and a first cutting insert bore, wherein the cutting insert has an elongate shape and extends along a cutting insert longitudinal direction, wherein the first cutting insert bore extends along a first bore axis, which runs substantially orthogonally to the cutting insert longitudinal direction, wherein the cutting insert has a laterally protruding elevation, which is arranged on a side of the cutting insert that is oriented transversely to the first bore axis, and wherein on the elevation are arranged a first lateral holder contact surface, an axial holder contact surface and a first horizontal holder contact surface for the bearing contact of the cutting insert against a tool holder, wherein the first lateral holder contact surface runs substantially orthogonally to the first bore axis, and wherein the axial holder contact surface and the first horizontal holder contact surface run substantially orthogonally to the first l

Abstract: A tool includes a cutting insert with a shank, which extends along a cutting insert longitudinal axis, and with at least one cutting edge, wherein at least a part of the cutting insert is a first material and further includes a tool holder which extends along a holder longitudinal axis and includes on an end-face end a cutting insert receptacle for receiving the cutting insert shank, wherein the cutting insert receptacle is a cup-shaped recess. The tool further includes an attachment element which is connected to the cutting insert and extends in a circumferential direction around the cutting insert shank, wherein at least a part of the attachment element is a second, different material. The tool also includes a fastening element for fastening the cutting insert on the tool holder, wherein, in a mounted state, the fastening element contacts the attachment element to fasten the cutting insert on the tool holder.

Abstract: A milling tool for cyclo-palloid toothing has a holder and multiple first cutting plates. and includes a clamping portion for clamping the holder and a holder head, which projects radially compared to the clamping portion in the front end and on which there are multiple first cutting plate receptacles. The first cutting plates are fastened in the first cutting plate receptacles, and project radially outward, wherein the radially outermost points of the first cutting plates lie in each case on a common circle, the center point of which lies on the center axis of the holder. The first cutting plates are arranged at an angle to an orthogonal plane which is orthogonal to the holder center axis. Multiple first partly conical surfaces are provided on a top side of the holder head. Multiple second partly conical surfaces are provided on an end side of the holder head.

Abstract: A holder for a tool for machining a workpiece, wherein the holder comprises a cutting insert receptacle in the region of its front end for receiving a cutting insert and a clamping portion in the region of its opposite rear end for clamping the holder in a machine tool. The cutting insert receptacle comprises an upper and a lower clamping jaw, wherein the holder comprises an upper part on which the upper clamping jaw is arranged, and a lower part on which the lower clamping jaw is arranged. The upper and the lower parts are connected together exclusively by means of a web which extends between a first and a second separating slit, wherein the two separating slits extend between the upper part and the lower part of the holder and are arranged on opposite sides of the web such that the upper part is pivotable relative to the lower part via the web in the manner of a rocker. The first separating slit extends in a front holder region between the cutting insert receptacle and the web.

Abstract: A whirling tool for machining a workpiece, having: three or a multiple of three cutting plates, wherein each of the cutting plates comprises at least one cutting edge; a cutting plate holder having a plurality of cutting plate receptacles, wherein each of the cutting plate receptacles is configured to receive one of the cutting plates, wherein the cutting plate receptacles are disposed so as to be distributed in a circumferential direction across the cutting plate holder; and a plurality of fastening elements for releasably fastening the cutting plates in the cutting plate receptacles of the cutting plate holder; wherein the cutting plates comprise at least two different kinds of cutting plates, wherein at least one cutting plate of a first kind, and one cutting plate of a second kind are provided for each group of three cutting plates that are disposed beside one another on the cutting plate holder, wherein the cutting plate of the first kind differs from the cutting plate of the second kind by an overall ge

Abstract: Tool for machining a workpiece having a cutting insert with at least one cutting edge. Moreover, the tool has a tool holder, which extends along a holder longitudinal axis and has at a workpiece-side end a cutting insert receptacle for receiving the cutting insert, the cutting insert receptacle having an upper clamping finger and a lower clamping jaw. Furthermore, the tool has a wedge-shaped clamping element, which is fastenable in the cutting insert receptacle for wedging the cutting insert in the tool holder. In addition, the tool comprises a fastening element for fastening the clamping element in the cutting insert receptacle and for wedging the cutting insert in the tool holder.

Abstract: A tool for machining a workpiece. The tool comprises a first tool component which comprises a first internal coolant bore and, on a first face side end, a first connection interface, wherein the first connection interface comprises a first end face for attaching a joining material as well as an elevation which protrudes from the first end face, wherein a first coolant outlet of the first internal coolant bore is arranged on the elevation. In addition, the tool comprises a second tool component which comprises a second internal coolant bore and, on a second face side end, a second connection interface, wherein the second connection interface comprises a second end face for attaching the joining material as well as a recess provided in the second end face, wherein a second coolant outlet of the second internal coolant bore is arranged in the recess.