Abstract: A holder according to one embodiment has a rod shape and includes a head portion located at a front end side. The head portion includes an upper jaw portion and a lower jaw portion located at a front end, an insert pocket located between the upper jaw portion and the lower jaw portion, a first wall surface located at an upper surface of the upper jaw portion and inclined in an extending manner from one side surface side, a second wall surface located closer to a rear end side than the first wall surface and inclined upward, a concave-shaped third wall surface located closer to the rear end side than the second wall surface, and a fourth wall surface inclined upward as the fourth wall surface extends away from the third wall surface. The third wall surface is concave downward from an upper end of the second wall surface.

Abstract: A cutter fastening assembly has a tool block, a fastening bolt, a fastening unit, a collet, and a cutter holder. The fastening bolt, the fastening unit, and the collet are mounted inside the tool block. The cutter holder has an assembling seat and a threaded hole. The assembling seat is integrally formed on the cutter holder and has a flange portion. The threaded hole is axially defined inside the flange portion and is screwed with the fastening bolt to keep the cutter holder connecting with the tool block.

Abstract: A toolholder includes a pocket assembly having a nest section and a clamp section. An inverted nest is mounted in the nest section and includes an insert-receiving pocket for accommodating a cutting insert mounted therein. A clamping wedge is mounted in the clamp section in such a way that the cutting insert engages the clamping wedge. The inverted nest includes one or more coolant grooves that cooperate with the cutting insert for directing super critical carbon dioxide to a cutting tool/workpiece interface.

Abstract: A paring and cutting tool, and a therewith associated method, for the stripping and paring of pre-insulated pipe ends, in particular of the outside diameter of the medium-conveying pipe comprising a clamping unit for the reception of the pipe end, a guide unit for the feed movement of the stripping and paring unit, wherein the guide unit extends through the clamping unit, a cutting unit for separating the outer pipe and the insulating layer, a carrier and a stripping and paring unit, wherein the stripping and paring unit has a paring element, preferably a paring blade, and a stripping element, preferably a stripping contour, for the simultaneous stripping and paring of the pipe end, in particular of the medium-conveying pipe end.

Abstract: A processing apparatus and a processing method with which an object-to-be-cut is processed, and a high-precision superconducting acceleration cavity can be formed. The processing apparatus forming a half cell by processing a hollow workpiece, and is provided with a securing jig, a rotational drive portion rotating the securing jig, and a cutting tool. The securing jig having a plurality of members, when cutting a first portion-to-be-cut of the workpiece, the plurality of members are combined in a first pattern so that the first portion-to-be-cut is exposed, when cutting a second portion-to-be-cut of the workpiece, the plurality of members are combined in a second pattern so that the second portion-to-be-cut is exposed, and the combination of the plurality of members is changed from the first pattern to the second pattern without removing the workpiece.

Abstract: An indexable cutting insert has opposing upper and lower end surfaces, and a peripheral surface including three side surfaces and three corner surfaces. Each corner surface intersects the upper end surface to form an upper cutting edge, and each side surface has a locating surface. The lower end surface has three radially outward facing lower abutment surfaces. The three locating surfaces define a first imaginary triangle having three first bisector planes and three locating planes, and the three lower abutment surfaces define a second imaginary triangle having three second bisector planes. None of the first and second bisector planes are coplanar, and each locating plane intersects two of the upper cutting edges. For each index position of the cutting insert in an insert receiving pocket of a cutting tool, one of the locating surfaces and one of the lower abutment surfaces is in contact with pocket walls thereof.

Abstract: A cutting insert comprises an upper surface including a first corner, and a second and third corner, respectively, adjacent to both sides of the first corner. The upper surface sequentially includes a rake surface along an upper cutting edge, inclined toward a lower surface, going inward from the upper cutting edge at a rake angle on a basis of a perpendicular plane perpendicular to a central axis extending between the upper and lower surfaces, and a connection surface more inward than the rake surface, inclined toward the lower surface, going inward at a connection angle on the basis of the perpendicular plane. An intersecting part of the rake surface and the connection surface includes a highest position in a portion of the intersecting part corresponding to a minor rake surface. A cutting tool with cutting insert, and a method of producing a machined product using the cutting tool are provided.

Abstract: A clamping device of a tool holding plate is provided for an automatic lathe, by means of which a tool holder can be detachably fastened in a receiving slot in the tool holding plate so as to be secured in place and rotationally fixed, wherein the clamping device can be detachably fastened to the tool holding plate by fastening means. Cooling of tools during operation is provided by a coolant jet introduced into the direct vicinity of the tool by means of a coolant channel arranged in or on the clamping device, running at least partially across the clamping device from an inlet, via an intermediate channel to an outlet.

Abstract: An indexable cutting insert has opposing first and second polygonal end surfaces (2, 3) connected by a peripheral side surface (4). Sets of cutting edges (5) are formed at the intersection of each end surface with the peripheral side surface. Each set of cutting edges includes a corner cutting edge (6), first and second cutting edges (7), (8) on opposite sides of the corner cutting edge (6) and a wiper edge (9) formed between the second cutting edge (8) and the corner cutting edge (6). The peripheral side surface (14) includes a wiper-edge side surface (14) having constant width as it extends between the first and second end surfaces (2, 3). A boundary of the wiper-edge side surface (14) with a second side surface below the second cutting edge (8) is inclined with respect to a direction perpendicular to the first end surface.

Abstract: The invention relates to a machine assembly 100 for use in a manufacturing machine 1000, in particular in a horizontal orientation of an axis of rotation D in a horizontal manufacturing machine, comprising a workpiece fixture 30 which is mounted on a fixture carrier 4 and has a first side 31 and a second side 32, and a first and a second tool holding fixture 10, 20, wherein the first tool holding fixture 10 is arranged on the first side 31 of the workpiece fixture 30 and the second tool holding fixture 20 is arranged on the second side 32 of the workpiece fixture 30. According to the invention it is provided that the workpiece fixture 30 has a main spindle 33 with an axis of rotation D running from the first to the second side 31, 32, and the main spindle 33 is designed for holding a workpiece along the axis of rotation D.

Abstract: A cutting insert of an embodiment includes an upper surface including a first upper cutting edge and a second upper cutting edge, a lower surface including a first lower cutting edge and a second lower cutting edge, and a side surface. The side surface includes a first surface extending from the second upper cutting edge, a second surface extending from the first lower cutting edge, a third surface extending from the first upper cutting edge, and a fourth surface extending from the second lower cutting edge. The first surface and the fourth surface are parallel to a central axis. The second surface is inclined so as to depart from the central axis as going from the lower surface toward the upper surface. The third surface is inclined so as to depart from the central axis as going from the upper surface toward the lower surface.

Abstract: A cutting tool includes a pocket with a top wall, a bottom wall, a side wall and a rear wall. The cutting tool has an insert cartridge and a wedge clamp. The threaded member exerts a force vector in a radial direction when threaded into the wedge clamp to place the cutting tool in a locked condition, and the wedge clamp exerts a force vector into the body of the cutting tool radially inward of an adjacent pocket, thereby reducing deflection of the adjacent pocket when the cutting tool is placed in the locked condition.

Abstract: A cutting insert has an upper surface, a lower surface, a side surface connecting the upper and lower surfaces. An intersecting edge between the upper surface and the side surface is provided with a cutting edge. The cutting edge has, in order, a second major cutting edge, a first major cutting edge, a corner cutting edge connected to these major cutting edges, and a flat cutting edge. An obtuse interior first angle (?) is formed by the second and first major cutting edges. A interior second angle (?) formed by the flat cutting edge and the first major cutting edge is larger than an interior third angle (?) formed by the flat cutting edge and the second major cutting edge. A land is provided adjacent to the first major cutting edge, a width of the land increasing toward the first corner cutting edge.

Abstract: A machining tool is provided having an insert that includes one or more interface surfaces configured to interact with a workpiece. The machining tool also has one or more distribution passages located within the insert. The one or more distribution passages are situated and sized to direct a fluid to the one or more interface surfaces while maintaining the fluid above a pressure at which the fluid exists in a supercritical state.

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.

Abstract: A cutting tool assembly includes a parting blade and a blade holder for holding same. The cutting tool assembly is configured for conveying pressurized coolant via the holder to a cutting portion of the parting blade. The blade holder includes a deceleration chamber configured for reducing the impact of the pressurized coolant against the parting blade.

Abstract: A cutting member comprising a cutting edge (S1,S2,Si) defining a cutting envelope and configured for removing material from a workpiece leaving therein a corner of angle ?. The cutting edge comprises a first cutting segment (S1) and a second cutting segment (S2) spaced from the first cutting segment (S2). Respective first and second imaginary tangents (T1,T2) of the first and second cutting segments (S1,S2) intersect one another at point O located outside the cutting envelope, forming an angle corresponding to angle ?, thereby defining a cutting frame at least a portion of which extends beyond the cutting envelope. The cutting edge further comprises an adjoining cutting segment (Si), extending between and bridging the first cutting segment (S1) and the second cutting segment (S2), and at least partially contained within the cutting frame.

Abstract: A machine tool for machining a workpiece is provided with a cutting tool holder for holding a cutting tool and a rotation mechanism for holding the workpiece. One or both of the cutting tool holder and the rotation mechanism are movable on multiple axes so that the cutting tool is movable relative to the workpiece in multiple axial directions. A control device is provided for controlling the movement of one or both of the cutting tool holder and the rotation mechanism to synchronously vibrate the workpiece and the cutting tool relative to each other at a low frequency in multiple axial directions.

Abstract: Ceramic end mill with cutting edge portion including gashes between cutting edges and adjacent in a rotation direction. Center cut edges are formed at end cutting edges close to and facing rotation axis O. Center grooves are formed on rear sides of center cut edges and end cutting edges in the rotation direction continuous with a radial direction. The center grooves are continuous with positions where end cutting edge second surfaces face or approach rotation axis O. End cutting edge second surfaces are laid between center cut edges and end cutting edges. Center grooves are formed between end cutting edge second surfaces and center cut edges positioned on a rear side of end cutting edge second surfaces in the rotation direction. The center grooves pass on rotation axis O. Center grooves double as rake faces of the respective center cut edges and are continuous with the gashes.

Abstract: A cutting tool may include a cutter body, and a cutting insert group coupled to the cutter body, wherein the cutter body includes a working length, wherein the cutting insert group forms a continuous cutting edge, and wherein the continuous cutting edge extends continuously through the working length of the cutter body.