Abstract: A purpose is to provide a cartridge that can adjust position even if a body does not have an adjusting mechanism. A cartridge 10 is provided on a body B of a milling tool. The cartridge 10 is connected to an upper surface 10a, a lower surface 10b, and a first side surface 10c, and a slit 10h that divides the cartridge 10 into a main body part 10j, a thin material portion 10k, and a connecting part 10m that connects the main body part and the thin material portion is formed in the cartridge. Furthermore, a screw hole 10n with second female threads is formed in order for a second male screw that passes through the slit 10h to screw into. Furthermore, wherein the second male screw travels forward, the relative position of the main body part 10j changes with regard to the thin material portion 10k.

Abstract: An internal milling cutter includes a carrier disk having a centre axis defining an axis of rotation of the milling cutter, a plurality of separated tool holder segments removably mounted at the inner circumference of the carrier disk, and at least one clamp for each tool holder segment mounted either on the carrier disk or on the tool holder segment. Each of the tool holder segments at its inner circumference includes at least one cutting insert seat with a mounting element for a cutting insert or at least one cutting edge. The clamp is located and arranged such that it generates a force in the axial direction pressing the axial contact surface of the tool holder segment onto the axial abutment surface of the carrier disk, and the clamp is mounted movably in a radial direction of the carrier disk between a locking position and a releasing position.

Abstract: Tools are described having removable working elements, include saws having removable cutting elements. Interface geometries on one or more of a core structure and removable elements may be simple or complex geometries. Securement elements releasably hold the removable elements in place.

Abstract: 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.

Abstract: In a cutting insert according to an embodiment of the present invention, an upper cutting edge includes, sequentially from a first corner to a second corner, a corner cutting edge, a minor cutting edge inclined as separating from the corner cutting edge at a first inclination angle on a basis of a vertical plane perpendicular to a central axis extending between upper and lower surfaces, and a major cutting edge inclined as separating from the minor cutting edge at a second inclination angle on the basis of the vertical plane so as to become more closer to the lower surface than the minor cutting edge. A cross section of a rake surface obtained by cutting an inwardly located end portion thereof along a direction of the central axis has a straight line shape or concave shape in a region crossing over at least a minor rake surface and a major rake surface. A cutting tool with the cutting insert, and a method of manufacturing a machined product by using the cutting tool are also provided.

Abstract: A planer head includes a cylindrical body having a first end, a second end and a crenelated curved face extending therebetween and including a plurality of pockets receiving a plurality of knives and knife holders. A clamping assembly connects each of the plurality of knife holders to their corresponding knives by frictional engagement. The clamping assembly includes at least one pair of clamping elements, each being disposed on a corresponding one of the first and second ends of the body. When moved in the longitudinal direction toward each other, the at least one pair of clamping elements forcing the plurality of knife holders in the radial direction thereby engaging in friction the knife holders with their corresponding knives and knife pockets of the body. A number of pairs of clamping elements is lower than a number of at least one of knives and knife holders. A kit for a planer head assembly, a clamping assembly, and a planer body are also presented.

Abstract: A cutting insert has parallel first upper and lower faces, parallel second upper and lower faces, first and second side faces, first and second cutting portions, and first and second mounting grooves. The second upper and lower faces are perpendicular to the first upper and lower faces, respectively. The first and second side faces are located at respective ends of the cutting insert. The first cutting portion has a major cutting edge at an edge between the first upper face and the first side face, while the second cutting portion has a major cutting edge at an edge between the second upper face and the second side face. The first mounting groove curvedly or linearly extends from the first cutting portion oppositely to the second cutting portion, while the second mounting groove curvedly or linearly extends from the second cutting portion oppositely to the first cutting portion.

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 (14) is formed with an insert aperture (32) opening out to insert top and bottom surfaces (14A, 14B) of the cutting insert (14). In a plan view of the insert top surface (14A), the cutting insert (14) and the insert aperture (32) both have oblong shapes which are elongated along a common insert longitudinal axis (AIL). The aperture (32) includes first and second side surfaces (32A1, 32A2) which each extend along the insert longitudinal axis (AIL), and aperture first and second end surfaces (32B1, 32B2) which each extend transverse relative to the insert longitudinal axis (AIL). At least one of the aperture first and second end surfaces (32B1, 32B2) is formed with a clamping lip (32C1, 32C2).

Abstract: A cutting tool having at least one segment pocket formed at a peripheral surface thereof, and respectively, at least one cutting tool segment, detachably mounted in each segment pocket. Each cutting tool segment has a longitudinal segment axis extending in a rearward to forward direction, and upper and lower ends, located on opposite sides of the segment axis. The lower end has two spaced apart lower abutment surfaces. An insert retention portion is formed in the upper end, at a forward end of the cutting tool segment. A resilient retention arm is formed in the upper end, rearwardly spaced apart from the insert retention portion. The retention arm has an upper abutment surface. In a side view of the cutting tool segment, the upper and lower abutment surfaces are linear.

Abstract: The present invention is directed to a cutting tool, comprising: at least one cutting insert; a tool body including a pocket portion to which the cutting insert is mounted; a means for fixing the cutting insert to the pocket portion of the tool body; and a screw for finely adjusting the position of the cutting insert fixed to the pocket portion of the tool body. The screw has a head portion, a threaded portion and a portion for connecting the head portion to the threaded portion. The pocket portion has a bottom surface with a screw hole formed thereon into which the threaded portion is fastened. It also has a side wall comprising a surface for closely contacting the head portion of the screw. The head portion of the screw closely contacts and resiliently pressurizes the close contact surface of the pocket portion when the threaded portion is fastened into the screw hole.

Abstract: A cutting insert for metalworking operations is retained within a cutting insert holder by a resilient tab on the holder that engages a recess on the stem of the insert. The cutting insert and the holder may be fabricated using rapid prototyping techniques such as 3D printing.

Abstract: Disclosed is a cutting tool holder for mounting a cutting insert having a top face, a bottom face and an insert bore having an inner surface extending between the top and the bottom faces. The holder includes a seat having a bottom surface and at least one side wall angled to the bottom surface, a seat bore with a bore axis having an open end at the bottom surface of the seat, and a securing mechanism for securing the cutting insert in the seat. The securing mechanism includes a securing pin within the seat bore and a body with an outer surface extending between a proximal end and a distal end of the body. The securing mechanism includes a displacement arrangement separate from the securing pin for axially displacing the securing pin along the bore axis of the seat bore between a first, mounting position and a second, securing position.

Abstract: In a case where a tool holder 5 having a plurality of cutting tools T are attachably/detachably mounted on a base member 8, the tool holder 5 is formed in a ring shape and has depressions 5a and projections 5b on an inner periphery, and by aligning the depressions and projections 5a, 5b of the tool holder 5 with projections 9b and depressions 9a formed on an outer periphery of a rotating member 9 rotatably mounted on the base member 8, the tool holder 5 is mountable to or removal from the base member 8. The tool holder 5 is clamped to the base member 8 by being pressed against a seating surface 8e of the base member 8.

Abstract: A cutting insert and an indexable insert-type cutting tool includes a cutting edge (6A) formed on each of a pair of side ridge portions of at least one of the side faces, wherein an insert main body (1) is formed in the shape of having front-back inversion symmetry which is 180° rotationally symmetrical with respect to a line of symmetry (N) passing through the center of the side faces; a flank face adjacent to the cutting edge (6A) is formed on the side face in the vicinity of each of the pair of polygonal faces (2); each of the flank faces is formed in the shape of a twisted face; the pair of side ridge portions on which the cutting edge (6A) is formed intersect each other in such a manner that the second corner portion (B) of one side ridge portion protrudes outside the other side ridge portion.

Abstract: The invention relates to a cutting tool with a supporting body and at least one receptacle (2), which is arranged in the supporting body (1), is openly formed to allow a cutting edge (3) of a cutting element (4) to pass through and in which the cutting element (4) is clamped in its seat by means of at least one clamping jaw (5). The object of the invention is to improve the cutting tool with respect to the cutting behavior and cost-effectiveness. This object is achieved by the cutting jaw (5) being formed resiliently in the direction of the cutting element (4).

Abstract: A cutting head (14) for a T-slot cutter (10) includes opposing cutting head top and intermediate surfaces (18, 20) extending perpendicular to a head rotation axis (A), and a head peripheral surface (22) extending therebetween. The cutting head (14) also includes cutting portions (24) located along the head peripheral surface (22) and a head protrusion (32). The head protrusion (32) extends from the cutting head intermediate surface (20) and includes a head torque-transfer portion (42). The cutting head (14) further includes a cutting head abutment surface (34), and a head bore (36) coaxial with the head rotation axis (A). The head bore (36) extends between, and opens out to, the cutting head top surface (18) and the head protrusion (32). The cutting head (14) also includes a head centering portion (40) distinct from the head torque-transferring portion (42) and located at an axial position different therefrom, along the head rotation axis (A).

Abstract: A combination cutter body and a locking screw for mounting the cutter body to an adapter is disclosed. The cutter body includes a plurality of threaded bores that extend radially through a sidewall of the cutting body. The threaded bores are adapted to receive a corresponding threaded setscrew. The locking screw includes a head having a plurality of indentations around a circumference of the head. A central axis of each threaded bore is offset by a distance from a central axis of each indentation to cause an axial force to be exerted on the cutter body when an end of the setscrew engages a respective indentation to tightly seat the cutter body against the adapter.

Abstract: A cutting tool has at least one cutting insert seated therein. The cutting insert has a longitudinal axis, an upper surface, a lower surface and a peripheral surface that extends between the upper surface and the lower surface. At least a portion of an intersection between the upper surface and the peripheral surface constitutes a cutting edge. The lower surface has at least one set of base abutment surfaces, each set including at a least one major base abutment surface and at least one minor base abutment surface, the major and minor base abutment surfaces of a given set being spaced apart from one another along the longitudinal axis. When the lower surface has two such sets of base abutment surfaces, the major and minor base abutment surfaces of the first set are longitudinally displaced from the corresponding major and minor base abutment surfaces of the second set.

Abstract: A tool for the turn/turn broaching or external milling of a workpiece is disclosed. The tool comprises a disk-shaped broaching wheel or at least one segment of such a broaching wheel. In each case, at least one cutting-tip holding fixture in each case for receiving a cutting tip is provided on the end faces of the broaching wheel or segment laterally adjoining a circumferential surface. On at least one of the two end faces, a cutting-tip holding fixture is formed in a cartridge, which is axially adjustable with respect to the broaching wheel or segment by an axial clamping wedge. The cartridge is designed in such a way that it at least partially covers the axial clamping wedge in a direction towards the circumferential surface.

Abstract: A chamfering insert has an elongated shape with a longitudinal insert axis and includes two opposite end portions and a cylindrically shaped insert peripheral surface which extends therebetween. The chamfering insert has a cutting edge, first and second opposite insert abutment surfaces, each of which extends perpendicularly to the insert axis, and an insert anti-rotation surface which extends parallel to the insert axis. The insert anti-rotation and abutment surfaces are located on one side of an imaginary plane, and the cutting edge is located, separately therefrom, on an opposite side of the imaginary plane.

Abstract: A cutting insert includes a top surface, a bottom surface, and a side surface extending between the top and bottom surfaces. The top surface is generally octagonal in shape and the side surface includes eight sides and eight corners. Four edge portions are formed at an intersection of the top and side surface. A first end of each edge portion begins along one of the eight sides at a non-zero distance from any of the eight corners and a second end of the edge portion ends along another one of the eight sides that is non-consecutive to the one of the sides. Each edge portion has a wedge angle that changes from a first angle at the first end of the edge portion to a different angle at the second end of the edge portion. A cutting tool using such an insert is also disclosed.

Abstract: A polygonal cutting insert for right angle machining has opposed upper and lower surfaces, a peripheral side surface interconnecting the upper and lower surfaces and having curved first and fourth side surfaces and plane second and third side surfaces, and main and secondary cutting edges alternately formed along the outer peripheries of the upper and lower surfaces. The adjacent main and secondary cutting edges form a right angle therebetween. The first side surface adjoins the main cutting edge of the upper surface. The second side surface adjoins the secondary cutting edge of the lower surface. The third side surface adjoins the secondary cutting edge of the upper surface. The fourth side surface adjoins the main cutting edge of the lower surface. The cutting insert can be mounted on a milling cutter at a positive axial rake angle.

Abstract: A triangular cutting insert has first and second surfaces, a midplane, a peripheral surface, with an insert center axis. The peripheral surface has alternating relief flanks and corners. A major cutting edge formed between each relief flank and the first and second surfaces, connects at a corner to a wiper edge included in a bounding plane of the insert. The wiper edge further connects to a transitional slope directed toward the midplane and an adjacent major cutting edge. Viewed along the insert center axis, an insert footprint is symmetrical to each corner bisector, and each major cutting edge is perpendicular to the associated secondary slope. Viewed perpendicular to the bisector, the relief flank is in a peripheral plane, and the transitional slope is between the peripheral plane and the insert center axis. Viewed along the corner bisector, each visible major cutting edge forms a first angle with the bounding plane.

Abstract: A temporary coupling mechanism facilitates replacement of a cutting tip in a pocket of a cutting tool, by preventing the cutting tip from falling out of the pocket when a clamping member, e.g., a screw member or wedge member, is loosened. The pocket is provided with a first coupling portion and the cutting tip is provided with a second coupling portion configured to engage the first coupling portion. In one embodiment, the second coupling portion is at least one concave groove or convex portion located in a predetermined position of the cutting tip. A convex portion or a concave groove is provided in at least one of the pocket's tip mounting seat and the clamping member to engage the concave groove and the convex portion of the cutting tip.

Abstract: A cutting insert for mounting on an insert holder of a cutting tool. The cutting insert has a rear surface with two protuberances. The insert holder has a base surface with two recesses. Three abutment regions are formed on the side surfaces of the two protuberances and the two recesses when the cutting insert is releasably retained in the insert holder with a retaining screw. Two further abutment regions are formed between the two holder recess lower surfaces and the two insert protuberance upper surfaces.

Abstract: An upper surface of a cutting insert includes a first rake face and a second seating surface. A lower surface of the cutting insert includes a second rake face and a first seating surface. The cutting edge includes a first cutting edge portion formed at a crossing edge line portion between the first rake face and a flank face and a second cutting edge portion formed at a crossing edge line portion between the second rake face and the flank face. The first cutting edge portion and the crossing edge line portion between the first seating surface and the flank face are positioned opposite each other. The second cutting edge portion and the crossing edge line portion between the second seating surface and the flank face are positioned opposite each other.

Abstract: A spherical cutter includes a spherically shaped body having open and closed ends defining a central cavity, multipoint cutting edges disposed along a circular rim at the open end, and the spherically shaped body generally defined by a radius and an origin. The cutting edges may be provided on cutting inserts removably attached to support teeth circumferentially disposed along the rim. The spherical cutter may be mounted to a rotatable spindle of a multi-axis computer numerically controlled machine with the radius and the origin located along a rotational axis of the spindle. The machine may be used for machining a cylindrical blank to form a plurality of circumferentially spaced apart integral rotor blades extending radially outwardly from a hub by machining each of the slots along a spherical surface defined by the radius and the origin.

Abstract: A cutting insert has top and bottom surfaces in the thicknesswise direction, and front and rear surfaces in the widthwise direction. First and second cutting edges are formed in the lengthwise direction at intersection portions where the top surface intersects with the front and rear surfaces. Third and fourth cutting edges are formed in the lengthwise direction at intersection portions where the bottom surface intersects with the front and rear surfaces. The first to fourth cutting edges are divided by a plurality of recesses. The plurality of recesses are symmetric with respect to the lengthwise centerline (A), which runs between the first and third cutting edges on the front surface and are asymmetric with respect to the thicknesswise centerline (B) perpendicular to the lengthwise centerline (A).

Abstract: A grooving insert comprising a cutting edge (16) extending over the width (B) of the insert (10), a main flank (18) and a rake face (14) and also a supporting side (20) opposite the rake face (14) is characterized in that the grooving insert has a substantially cube-shaped outer contour and consists of two geometrically identical cube halves merging into one another in a parting plane, wherein each cube half has a separate cutting edge and the cube halves lie so as to be rotated by 90° relative to one another and turned by 180° relative to one another.

Abstract: The present disclosure provides a cutter assembly (100), said cutter assembly (100) comprises a back plate (101) adapted to mount on a machine spindle, wherein said back plate (101) having stepped portion (201) on its surface. The stepped portion (201) of the back plate (101) comprises plurality of oblong slots (202) and locating surfaces (203) at predetermined locations in its outer circumference. A cutter ring (102) adapted mount on outer circumference of the stepped portion (201) of the back plate (101) and a fastening members (103) to connect said cutter ring (102) with the back plate (101).

Abstract: A slotting cutter includes a disc-like cutter body rotatable in a predetermined direction on a central axis perpendicular to a plane of the cutter body. A plurality of cutting insert receiving pockets and a corresponding number of thread holes are formed about a perimeter of the body. A cutting insert is replaceably mounted in each insert receiving pocket of the cutter body, and a clamping screw is replaceably threaded in each thread hole of the cutter body. A cantilevered portion is disposed between each insert receiving pocket and a respective thread hole that exerts a downward force to securely hold the cutting insert in the cutter body when the clamping screw is threaded into the thread hole.

Abstract: The invention relates to an internal milling cutter including an annular tool support (11) equipped on the inner casing thereof with cutting inserts. The tool support (11) is fastened in a machine holder (10). According to the invention, a bayonet-type connection is provided between the tool support (11) and the machine holder (10).

Abstract: A cutting insert for mounting in a socket on an insert holder of a milling cutter. The cutting insert has opposing top and bottom surfaces and a peripheral surface extending therebetween, forming one or two cutting edges. The peripheral surface has a front arcuate surface and a rear surface. The rear surface has a protuberance that extends in a direction away from a central region of the front surface. The protuberance is located in the socket. The socket includes a first socket side abutment surface for providing primarily axial support for the cutting insert against cutting forces acting in an axial rearward direction during a milling operation.

Abstract: A cutting tool has an indexable insert, a holder with a holder member and an arrangement for securing the insert to the holder. An upstanding holder wall and a conical insert clearance surface are designed so as to enable securing of the insert to the holder in a finite number of fixed relative positions. A curved portion of the upstanding holder wall supports the conical clearance surface laterally in each fixed relative position of the holder and the insert. A tight abutment of the conical clearance surface on said curved portion is provided to dirt from penetrating therebetween.

Abstract: A thread-milling cutter comprising a tool holder (2) and at least one cutting insert (3) with a longitudinal cutting edge (30) mounted thereon. The tool holder (2) includes at least one pocket (20) extending essentially in an axial direction (A) and adapted for receiving the at least one insert (3). The cutting insert (3) has at least one positioning plane (31) on a first abutment surface of the insert (3) opposite the cutting edge (30) for a radial positioning of the insert (3) in the respective pocket (20). At least one protrusion (32) is provided on the abutment surface, a side surface (320) of the protrusion (32) being oriented at an angle (?) to the axial direction (A) of the cutter (1) and adapted for contacting a surface (22) of the pocket (20) for an axial positioning of the insert (3). Also described is an insert for a thread-milling cutter.

Abstract: A knife includes first and second edges, a ridge, a concave surface, and a planar surface. The edges are defined by intersections of outer edge forming surfaces on an outer side of the knife and inner edge forming surfaces on an inner side of the knife. The ridge is on the inner side and the crest of the ridge is parallel to the first and second edges. The concave surface is between an inner edge forming surface and the ridge, and the planar surface is adjacent to the concave surface and between that first inner edge forming surface and the concave surface. A reference plane intersects the first and second edges, and a distance between any point on the concave surface and the reference plane is not less than a distance between any point on the planar surface and the reference plane.

Abstract: The lathe blade assembly has a body, a head and a bolt. The body has a head mount having an outer diameter and an outer periphery surface. The head has a mounting recess mounted around the head mount, and having an inner diameter and an inner periphery surface. The inner diameter of the mounting recess, wherein the inner diameter is smaller than the outer diameter before the head is mounted on the head mount. The inner periphery surface of the mounting recess is attached to and pressed onto the outer periphery surface of the head mount securely. The bolt is mounted through the head and screwed into the head mount to connect the body and head.

Abstract: A coupler for a quick change rotary cutting tool assembly allowing a cutter to be quickly and releasably coupled to a shank wherein the coupler has a cylindrical portion with a threaded portion to engage the shank and a portion with a transverse groove with undercut walls to form recesses. The cutter has an anchor made as a disk with parallel flats which engage the recesses of the cylindrical portion to releasably secure the cutter to the shank.

Abstract: A tool system comprising a holder and a cutting tool having a tool cutting edge and a fixing part, wherein the tool cutting edge projects by a predeterminable projecting length beyond the holder for a machining operation, is characterized in that the holder is provided at the outer circumference with a supporting part which projects in the direction of the projecting length of the tool cutting edge and forms a supporting surface for at least partial abutment of the cutting tool.

Abstract: An insert has a lower face formed in a substantially quadrangular shape, a flank formed on an upper face formed in a convex face rising upward from two opposing sides of the quadrangular face, a pair of rake faces rising upward from the other two opposing sides of the quadrangular face and formed in first side faces intersecting with the convex curved face, a pair of corner edges formed respectively in ridgeline portions between the rake face and the flank, and a pair of second side faces which intersect obliquely to the two opposing sides of the quadrangular face and rise upward from the lower face to notch an intersection portion between the lower face and the upper face.

Abstract: A side cutter has a substantially disk-shaped or substantially ring-shaped cutter body, two or more peripheral cutting inserts each having a cutting edge protruding from a peripheral surface of the cutter body, and two or more corner cutting inserts each having a cutting edge protruding from an end surface of the cutter body. The peripheral cutting insert and the corner cutting insert are arranged in the cutter body such that the cutting edges adjacent to each other in the circumferential direction have overlapping rotational trajectories around the axis of rotation of the cutter body. In addition, a peripheral cutting insert and a corner cutting insert belonging to an insert set are spaced from each other in an axial direction of the cutter body and are arranged substantially in the same position in the circumferential direction of the cutter body.

Abstract: The invention relates to a tool for machining a workpiece, comprising a holder having a locating opening arranged at the end face and a cutting head having at least one cutting element arranged on the workpiece-side end. Furthermore, the tool has a sleeve which is made substantially of carbide and which, with a first, holder-side end, is inserted in an accurately fitting manner into the locating opening of the holder, and the cutting head is arranged in or on the second, cutting-head-side end of said sleeve, and coupling means for coupling the holder, cutting head and sleeve.

Abstract: The invention relates to a rotating cutting tool, in particular a boring tool for use in machine tools. The cutting tool comprises at least one cutting insert, designed as an indexable insert, that has an active main blade located near a corner of the insert, the outer end of said blade defining a circular flight path radius (R) as the blade rotates, said blade penetrating into a work piece at a pre-determined cutting depth (t) near a pre-formed round hole. Also provided is a secondary blade that is disposed opposite to an advancing direction and that aligns with the outermost end of the main blade, the entire length of said blade having a smaller radius than the circular flight path radius (R) of the main blade, wherein a secondary blade free surface aligns with the secondary blade opposite to the direction of rotation.

Abstract: A round cutting insert with an anti-rotation feature. The round cutting insert includes a plurality of projections formed on a first surface and another plurality of projections formed on an opposing surface. The round cutting insert is reversible and indexable. The round cutting insert is removably received in an insert receiving pocket in a tool body wherein the insert receiving pocket includes a plurality of dimples for receiving one of the plurality of first projections or the plurality of second projections. This arrangement prevents rotation of the round cutting insert while mounted in the insert receiving pocket.

Abstract: The present invention relates to embodiments of a cutting tool holder having at least one insert pocket, wherein at least one insert pocket comprises a side surface and at least one antirotation stop protruding from the side surface. The antirotation stop may comprise at least two substantially planar surfaces. In certain embodiments, the cutting tool holder may have a pocket which comprises a bottom surface and an antirotation stop having three substantially planar surfaces that are substantially perpendicular to the bottom surface. The antirotation stop may be integral to the tool holder or may be produced separately and attached, either permanently or temporarily, to the tool holder. Embodiments may further comprise additional antirotation stops if desired by the machining application.

Abstract: A milling cutter includes a disk like cutter body having radially directed slots and a central aperture. An exchangeable hub of the milling cutter has two adapter members located on either side of the cutter body and has an inner side wall. One of the adapter members has at least two protrusions formed on the adapter inner side wall and one of the two adapter members has a raised portion located on the adapter inner side wall. The adapter members are secured to the cutter body by the protrusions positioned in the slots and the raised portion positioned in the central aperture.

Abstract: The invention is directed to a cylindrical milling cutter whose cylindrical body is provided with grooves which extend along its length at a distance from one another and at an angle to the longitudinal axis, and indexable cutting inserts, particularly coated carbide cutting inserts, are arranged in these grooves.

Abstract: Efficient plunge cutting work in which the tool body moves forward and backward in the axial direction to cut the wall face of a workpiece at high feed-speed, is possible even in the cutting process with backward motions. The tool body 1 has a cylindrical shape with an axis O as its center axis, and provides the insert pocket 3 in the outer periphery close to the tip. The cutting insert 10 is detachably attached in the insert pocket 3. Then, by rotating the tool body 1 and by feeding it along the axis O, the cutting insert 10 cuts the wall face of a workpiece. Furthermore, the insert pocket includes a bottom face which faces the tool rotational direction and, wall faces 3B, 3C and 3D which extend from the bottom face toward the tool rotational direction.

Abstract: A tool device includes a tool member having a shank engaged into a chamber of a barrel and secured to the barrel with a fastener, and having a free end, and having two different tool blades formed on the free end of the tool member for conducting different machining operations, such as boring, taping, threading milling, or cutting operations, the tool member includes a reference line formed and arranged between the tool blades, and includes a ramp formed in the shank for engaging with the fastener which solidly secures the tool member to the barrel, the barrel and the tool member include flat surfaces engaged with each other to prevent the tool member from rotating relative to the barrel.