Abstract: There is provided a metal-cutting tool comprising a tool holder, a replaceable cutting plate, and an adjusting element which is attached by means of screw-fastening means elements and with which the position of the cutting plate on the tool holder can be adjusted. The screw-fastening means comprises a threaded element which interacts with the adjusting element and can be fixed in place in the tool holder.

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: An insert clamping wedge for clamp-fixing a cutting insert, seated in an insert attachment seat formed in a cutter body, to a recessed portion formed in the insert attachment seat is provided, the insert clamping wedge including: a wedge body, wherein the insert clamping wedge is pressed into the cutter body, wherein the wedge body includes a clamp surface which comes into close contact with the cutting insert and a wedge surface of which a gap between itself and the clamp surface becomes smaller in a press-insertion direction of the wedge body, and wherein the section perpendicular to the press-insertion direction of the wedge body from the wedge surface to the clamp surface being formed in a bell shape.

Abstract: An end mill has a plurality of quick change insert holders for cutter inserts on machine tools. Each of the plurality of quick change tool holders comprises a housing having at least one seat portion which is adapted to receive a cutter insert. A clamping arm is movably mounted in the insert housing and has a clamp portion adapted to engage a cutter insert extending over the seat portion. A locking mechanism is contained within the housing. The locking mechanism has a clamp position which forces the clamp portion of the clamping arm to engage a cutter insert and a release position which forces the clamp portion to disengage from a cutter insert. The locking mechanism moves between the release position and the clamp position.

Abstract: A rotary cutting tool has a cutting insert clamped from behind by a backing clamp against a frontal abutment defined in the body of the rotary cutter head. The clamp backs the cutting insert against the cutting pressure during operation and provides for the use of a same rotary cutter with different profiles of cutting inserts. Plugs of predetermined weight can be inserted in pre-formed holes in the cutting insert to permit recalibration of the insert after a sharpening operation.

Abstract: A rotary cutter head is provided with helical carbide cutting blade inserts. The blade inserts extend along a helical path and are configured for cutting rotation in a predetermined direction. The blade inserts are secured to the cutter head body in a helical slot formed between a wall of the cutter head body and a plurality of clamping wedges. The blade insert may have a tapered body that facilitates locking and securing the blade insert to the cutter head body in a radial direction in response to centrifugal forces created as the rotary cutter head rotates.

Abstract: A cutter head with at least one insert clamp. Each insert clamp includes a wedge member fastened to the cutter head. The cutter head includes an insert slot, a clamping slot, and a threaded aperture. The wedge member, in one embodiment, is wedge shaped and includes a thru-opening. A fastener engages the threaded aperture in the cutter head and passes through the thru-opening in the clamping member. A cutter insert fits into the insert slot in the cutter head, and the wedge member secures the cutting insert against a surface of the cutter head.

Abstract: A tool assembly includes a support body, a clamping device, and a tool holder clamped in a groove of the support body. A stopper block is disposed in the groove and abuts against the tool holder for positioning the tool holder along an axis. The stopper block is held in place by a wedge-type stopper clamp which applies a clamping force to the stopper block in a direction transversely of the axis. A wedge-type holder clamp is provided for applying a clamping force to the tool holder in a direction transversely of the axis. The stopper clamp is secured to the support body by a single fastening bolt, and the holder clamp is attached to the support body by a single fastening bolt. Each of the fastening bolts is provided with a part that forcefully pushes the respective clamp away from the support body in response to loosening of the fastening bolt. The arrangement is such that the tool holder can be inserted and removed without completely removing the holder clamp or its fastening bolt.

Abstract: A tool holder is held in a support body by a clamp which is wedged between the support body and the tool holder. The clamp is secured in the support body by a threaded fastener that extends through a through-hole formed in the clamp. The fastener carries a flange which pulls the clamp out of wedging relationship when the fastener is unscrewed. A spring disposed in the through-hole functions to keep the clamp pressed against the tool holder even after the clamp has been loosened, in order to keep the tool holder from falling out of the support body. A stopper is disposed behind the tool holder to locate the tool holder in a desired cutting position and to keep the tool holder pressed against an abutment surface of the support body.

Abstract: The circular insert tool holder assembly for use with a circular tool post and for holding a resharpenable insert tool which has a top surface, a bottom surface, a front surface and a rear surface and having a cutting edge defined by the line formed by the intersection of the front surface and top surface of the insert tool, comprises a tool holder body, structure for rotatably mounting the tool holder body to the circular tool post, the tool holder body having a cavity therein, the cavity having an upper portion and a lower portion, the lower cavity portion being defined by an upper wall and a rear wall, and, a mechanism for retaining the insert tool within the upper cavity portion whereby the top surface of the insert tool is positioned along the upper wall of the cavity.

Abstract: A cutting or drawing tool, in which a cutter plate can be precisely located and positioned by means of an adjusting device, in order to produce high-precision profiles. By provision of a second cutter plate, a further face of the workpiece can be machined in a specific relative position to the profile, possibly in a single operation but at least in one setting.

Abstract: A broach assembly including a holder having an elongated slot for housing at least one cutting insert and semicircular wedges having a pair of cutting insert engaging faces which are adapted to secure the cutting inserts in the slot and to prevent misalignment and uneven wear.

Abstract: A blade clamping device for securing a blade assembly on a rotary cutting tool having a body formed with a cylindrical surface concentric with the axis of the cutting tool. The clamping device selectively locks the blade assembly in position along a radially disposed track which is defined by an elongated slot extending radially from the cutting tool body's outer diameter to its inner bore and a key-shaped channel formed inwardly of the elongated slot's bottom wall. A ball head screw is slidingly retained in the key-shaped channel such that its threaded shank is held in threaded engagement with a threaded aperture formed in the blade assembly in order to provide a means to selectively clamp the blade assembly in position along the elongated slot.

Abstract: A tool bit and holder assembly is disclosed wherein a tool holder having a dove-tailed tang for connection with a mounting tool post is provided with a longitudinal groove in one face thereof; the groove having parallel, longitudinally extending and angularly inclined planar side walls intersecting a planar bottom wall of the groove. A single insert tool bit of trapezoidal cross section, having longitudinally convergent, angularly inclined, planar lateral flanks fits into the tool holder groove with one flank thereof engaging one side wall of the groove. A single wedge member, having angularly inclined and longitudinally divergent planar sides engages the other side wall of the groove and the other lateral flank of the tool bit so that application of force on the wedge to move the same toward the bottom wall of the tool holder groove exerts holding force on the tool bit along three right angularly related axes to securely hold the tool bit in fixed operative position.

Abstract: A milling cutter having a cutter body rotatable about its central axis with a peripheral wall on the cutter body and insert pockets and clamp recesses located in the peripheral wall. The insert pockets have locating surfaces for positioning an insert when placed in the pocket. There is also a clamp for releasably clamping an insert when the insert is placed in position in the pocket. The clamp freely assumes an orientation identical to that of the insert so that planar contact is made with the insert.

Abstract: A cutting tool having a longitudinal insert comprising two opposed cutting edges that enable the position of the insert to be reused after a rotation of 180.degree. about a certain axis.

Abstract: An improved cutting tool has a blade removably secured to a movable body. The body is provided with an elongated slot extending into the body from its outer surface and arranged transversely of the direction of tool movement. This slot is bounded by spaced leading and trailing wall surfaces arranged to face one another and separated by an intermediate base surface. A blade is preferably arranged in the slot such that its leading surface is in area contact with the body leading wall surface. The trailing surface of the blade is provided with a plurality of serrations. A wedge, having a plurality of serrations on its leading surface, is insertable into the slot between the blade and the body trailing wall surface. The serrations on the blade and wedge mesh and interlock with one another, and permit the blade to be incrementally positioned relative to the wedge. A tongue extending outwardly from the wedge trailing surface is insertable into a cooperative groove recessed in the body trailing wall surface.