Abstract: A surface connection between mechanical components having intermediate deformable elements between the connected contact surfaces, shaped as segments of solid or hollow cylinders with straight or curvilinear axes and their cross sections are compressed in the radial direction during assembly of the connection, thus allowing for adjustments of relative positioning of the connected components, for compensating dimensional imperfections, and for enhancement of stiffness and/or damping of the connection.

Abstract: Proposed is a connecting point between two tool parts with a device, comprising an elastic element, for effecting a defined angular position of rotation between the tool parts. Said connecting point is characterized in that the elastic element (23) in a first area (43) is clamped to the first tool part (3) in such a manner that in connecting the tool parts (3, 7) a second area (25) projects into the path of motion of the second tool part (7) so that it is deflected by said tool part and is deformed reversibly.

Abstract: A cutting tool assembly including: (a) an arbor including a tapered shank portion which has a taper of 7/24 and a size of No. 30; (b) a cutting tool having at least one cutting blade and fastened to the arbor; (c) a fastener for fastening the cutting tool to the arbor; and (d) a relative-rotation preventing mechanism for preventing rotation of the cutting tool relative to the arbor. The cutting tool assembly has a weight of not larger than 3 kg. The arbor and the cutting tool have respective contact surfaces which are held in contact with each other. The relative-rotation preventing mechanism is provided by at least one receiving hole which is formed in one of the contact surfaces, and at least one protrusion which is formed on the other of the contact surfaces and which is received in the above-described at least one receiving hole.

Abstract: A thread milling or cutting tool (1) comprises a carrier piece (2) rotatable around an axis of rotation (D), at least one cutting element (3, 3′, 3″, 3′″) releasably attachable or attached on the carrier piece (2), and at least one fastening element (4, 4′, 4″, 4′″) releasably attachable or attached on the carrier piece (2), wherein at least one cutting element (3, 3′, 3″, 3′″) has no hole for attachment by means of a fastening screw, but is positively and/or non-positively attachable or attached between the carrier piece (2) and at least one fastening element (4, 4′, 4″, 4′″) and/or between at least two fastening elements.

Abstract: A tool attachable to a spindle of a machine tool by an automatic tool changer in the same way as an ordinary tool, capable of being driven without connecting with an external power supply etc., and able to rotate at a rotational speed different from than that of the spindle of the machine tool without supply of electric power from the outside, provided with a machining tool for machining a workpiece, a motor connected with the machining tool and rotating the machining tool, and a generator to which rotary force is transmitted from the spindle of the machine tool and generating electric power to drive the motor, the shaft of the motor being arranged in an orientation different from the axial center of the spindle.

Abstract: A machine tool provided with a universal head free from restrictions on its swivel operation due to the presence of a power cable to a motor directly driving a spindle and consequently expanded in range of movement, provided with a ram serving as a support, a swivel member held by the ram to be able to swivel about a predetermined swivel axis, a tool mounting member held at the swivel member, rotatably holding at its front end a spindle to which a tool is mounted, and provided with a motor for driving the spindle, a generator provided at the swivel member and generating power used by the motor, and a power source provided at the ram and supplying power to the generator.

Abstract: A tool holder is provided which enables the coupling of a tool holder body, regardless of the size of its outside diameter, to a tapered shank, which is hardly influenced by centrifugal force generated at the time of high-speed rotation, and which can cause elastic deformation of the tapered shank effectively. The tool holder comprises the tapered hollow shank mounted on a machine tool spindle and the tool holder body coupled to the tapered shank. The tapered shank and the tool holder body are coupled to each other in the state where a part of the tapered shank is inserted in the tool holder body.

Abstract: A micro-adjustable tool chuck comprises a first cylindrical body member (1) adapted for connection to a drive spindle, a second cylindrical body member (2) adapted to receive a tool bit in the end thereof, and moveable axially relative to the first body member (1), and means for drivingly connecting the first body member (1) to the second body member (2). A first screw thread (10) is formed on the outer surface of the first body member (1) and a second screw thread (11) is formed on the outer surface of the second body member (2). The first screw thread (10) is of a greater pitch (coarser) than the second screw thread (11).

Abstract: A cutter bit is provided which includes a body having a pair of free ends with a cutter bit mounted adjacent each free end. A boss extends outwardly from the center of the body such that a portion of the body and the cutter bit may be mounted in a rotary cutting tool to allow the second cutter bit to be utilized. The bit is reversible such that either cutter bit may be positioned within the chuck of a rotary cutter tool while the cutter bit mounted on the opposite side of the body is utilized. A method of mounting a cutter bit in a rotary cutter tool is also provided which includes steps of loosening the bit within the chuck of the rotating cutting tool, removing the bit from the chuck, rotating the bit end to end, replacing the end of the bit that was out of the chuck originally into the chuck, and tightening the chuck.

Abstract: A tool holder for machine tool capable of surely preventing the cutting fluid oil, fed into a passage through-hole (e) in a tool holder main body (1), from leaking the connection part between a cutter (10) and the tool holder during the machining of a workpiece; the cutter used in the tool holder; and a tool driver used in the tool holder; the tool holder for machine tool, comprising the passage through-hole (e) at the rotating center part (x) of the holder main body (1), allowing the cutter (10) having a cutting fluid path (e5) formed therein to be inserted into the front part of the passage through-hole (e), and being formed so that the cutter (10) is fixed by a fixing means (3) fitted to the tip of the holder main body (1), wherein a cylindrical female surface part for sealing (10b) is formed at the rear end part of the cutter (10), a cylindrical female surface part for sealing (e3a) allowing the cylindrical male surface part for sealing (10b) to be inserted closely therein is formed in the passage through

Abstract: The adjustable-length tool holder for a rotating tool comprises a base element (7) which is provided with a coupling shank (9) for connecting to a machine tool and which, axially remote from the coupling shank (9), ends in a sleeve part (11) forming a central locating opening (13). The tool holder also comprises a plurality of tubular-cylindrical extension sleeves (15, 19) which in turn each form a central locating opening (17, 21) and of which a first extension sleeve (15) is arranged in an interference fit in the locating opening (13) of the sleeve part (11) in such a way that it can be positioned in an axially variable manner, and each of the further extension sleeves (19) is arranged in an interference fit in the locating opening (17) of the adjacent extension sleeve (15) toward the base element (7) in such a way that it can be positioned in an axially variable manner.

Abstract: An internal cavity cutting tool assembly includes a tool body, a tool hanger, and a bearing assembly. The tool hanger body has a through-bore that is adapted to receive the bearing assembly. The tool body has first and second body portions, each having an arbor bore, a cutting face having a plurality of indexable cutting inserts, and a bearing support surface. The bearing support surface of the second tool body portion is also received by end of the through-bore, such that the bearing support surfaces of the tool body portions oppose each other within tool hanger body. An arbor drive shaft and a support are operatively inserted though openings in a workpiece and through the arbor bore of the tool body. The arbor drive is retained in a milling device to operatively rotate the tool body assembly while precisely locating the tool hanger assembly, thereby sweeping the cutting inserts against the portions of the workpiece to be cut.

Abstract: A clamping device for the releasable fastening of a part (grinding wheel 1) on a shaft has a clamping nut (3) which can be screwed onto the shaft and is intended for clamping the part in place. A chamber (9) is provided between a pressure member (load piston 5) for bearing against the part (grinding wheel 1) and the clamping nut (3), this chamber (9) containing a hydraulic pressure medium (silicone oil 11). Furthermore, an escape space (15) which can be connected to the chamber (9) is provided for the hydraulic pressure medium in order to remove the clamping pressure from the grinding wheel (1).

Abstract: The invention relates to a rotary tool comprising a shank (1) which can be coupled to a rotary drive and comprises a head piece (3) on the free end thereof which can be detachably connected in a bearing arrangement to a cutting body (21). The cutting edge (23) of the cutting body (21) is arranged at a radial distance from the axis of rotation corresponding to a desired cutting circle diameter.

Abstract: A working unit intended to be mounted on a movable machine operated tool support comprises a casing (10) which is attached to the tool support and which supports a pneumatic turbine motor (23, 24, 51) with a rotor (19), and a shank end mill type machining tool (22,21) with a cutter portion (21) extending out of the casing (10) and a shank portion (22) rotatively journalled in the casing (10), whereing the machining tool shank portion (22) is rigidly integrated with a turbine whell (24) to form the turbine rotor (19), a flow control valve (48) is arranged to deliver pressure air to the turbine motor (23, 24, 51), and the turbine rotor (19) is provided with a generator device for delivering a speed responsive output voltage to a control unit (55) which is arranged to make the flow control valve 848) adjust the power supply to the rotation motor (23, 24, 51) so as to maintain the rotation speed at a desired predetermined level.

Abstract: A tool attachable to a spindle of a machine tool by an automatic tool changer in the same way as an ordinary tool, capable of being driven without connecting with an external power supply etc., and able to rotate at a rotational speed different from that of the spindle of the machine tool without supply of electric power from the outside, provided with a machining tool for machining a workpiece, a motor connected with the machining tool, and a generator to which rotary force is transmitted from the spindle of the machine tool and generating electric power to drive the motor, sealed bearings sealed with a lubricating oil are used for the bearings rotatably supporting a transmitting member for transmitting rotary force of the spindle to the generator and a drive shaft for transmitting rotary force generated by the motor to the machining tool.

Abstract: A holder for a workpiece or tool, in the surface of which a plurality of grooves with substantially planar flanks are made, the opposing edges of which, formed on the surface, have a predetermined spacing, wherein the holder consists of a sintered material, at least in the region of the elastically deformable edges.

Abstract: A clamping chuck has a chuck body made of a dimensionally stable material, on which is provided a clamping sleeve that forms a central receptacle for a workpiece or tool that is to be clamped, and has a clamping mechanism for immobilizing in the receptacle the component that is to be clamped, while elastically deforming the clamping sleeve. There is configured in the chuck body an annular groove which surrounds the receptacle to form the clamping sleeve and is open toward the end face of the chuck body. The clamping mechanism includes a wedge ring that has a ring body and multiple clamping tongues arranged thereon, spaced apart from one another in the circumferential direction, and projecting substantially axially. The wedge ring possesses a cross section tapering in a wedge shape toward the free end, and it can be pressed axially into the annular groove while radially deforming the clamping sleeve.

Abstract: A tool holder is provided which enables the coupling of a tool holder body, regardless of the size of its outside diameter, to a tapered shank, which is hardly influenced by centrifugal force generated at the time of high-speed rotation, and which can cause elastic deformation of the tapered shank effectively. The tool holder comprises the tapered hollow shank mounted on a machine tool spindle and the tool holder body coupled to the tapered shank. The tapered shank and the tool holder body are coupled to each other in the state where a part of the tapered shank is inserted in the tool holder body.

Abstract: A coolant tube (21) is to be arranged in a tool holder, the coolant tube (21) having an inlet opening (23) for coolants, a cover (31) at the inlet opening (23) for preventing chips from entering into the coolant tube (21), and an exchangeable insert tube (59) arranged within the coolant tube (21) and holding the cover (31).

Abstract: A tool holder is equipped with a tip run-out correction mechanism for correcting run-out of the tip of the tool. The tip run-out correction mechanism includes an annular stepped portion formed on a cylindrical support portion of a holder body; a ring member rotatably fitted onto the annular stepped portion; an eccentric cam disposed within the ring member, the eccentric cam extending radially through the ring member and being rotatable about a radially extending axis; and a pin disposed within the ring member to be movable along a direction parallel to the center axis of a flange portion of the holder body. One end of the pin is in contact with the eccentric cam, and the other end of the pin is in contact with a rear end face of a clamp sleeve which clamps a tool inserted into a chuck sleeve of the holder body.

Abstract: The tool has a tool shank (which may be hollow) (14), whilst the machine spindle has a connecting sleeve (20) containing a recess (18) to accommodate the tool shank. A clamping mechanism (22) is located in the area between the tool shank (14) and the connecting sleeve (20). This mechanism has at least one clamping element (24″), with radial movement, which acts as a wedge drive, providing axial clamping movement between the tool shank (14) and connecting sleeve (20). The clamping mechanism comprises an actuating nut (26), which screws onto an exterior thread (28) on the connecting sleeve (20) and is coaxial in relation to the spindle axis. During the clamping procedure, the axial movement of the actuating nut can be converted into the radial movement of the clamping element (24″), with the help of at least one connecting link (30″).

Abstract: An apparatus and method for aligning a clamping unit and a toolholder to facilitate proper positioning of a cutting tool with respect to a workpiece.

Abstract: A clamping device for clamping a machine element (3), in particular a tool holder for a drilling, milling or grinding tool or the like, which rotates about an axis of rotation (9), comprises a base body unit (11) which has a receiving opening (21) which is central with respect to the axis of rotation (9) and into which a coupling shank (5) of the machine element (3) can be fitted axially from one end, a chuck (23) which is arranged in the receiving opening (21), and a chuck-actuating unit (25), which is guided on the base body unit (11) in such a manner that it can be displaced in the axial direction relative to the latter, for actuating the chuck (23).

Abstract: The invention relates to a reaming tool for reaming out several axially interspaced borings (14) of a workpiece (12). The reaming tool comprises a guide shank (16) which can be clamped into a machine spindle and which can be supported in prepared borings (14) of the workpiece (12) to be machined using external supporting elements (18). The reaming tool also comprises a reaming head (26) which coaxially connects on the front end thereof. In order to be able to easily change a worn tool, the invention provides that the reaming head (26) can be connected to the guide shank (16) by means of an auto-centering clamping mechanism (30), and that the supporting elements (18) positioned in the proximity of the clamping mechanism (30) can, during a clamping process, be radially spread in an at least partial manner from a dimension smaller than that of the diameter to a predetermined diameter guide dimension.

Abstract: A tool holder includes a plurality of elastic engagement pieces arrayed along an outer perimeter of a shank. During and after assembly, the elastic engagement pieces elastically abut at least an inner surface of a tapered hole in a main shaft joined to the tool holder and deform slightly in a radial direction. The elastic engagement pieces provide uniform engagement force with the main shaft over a broad surface area. An elastic flange provides additional elastic engagement and easy separation from the main shaft. Together, the elastic engagement pieces and elastic flange reliably engage and securely attach the main shaft to the tool holder while aiding disengagement.

Abstract: A chuck for the clamping of tools by shrink fit includes a chuck member which has a longitudinal section having a central receptacle with clamping surface for the insertion and holding of the tool to be clamped with its shank. The longitudinal section includes a plurality of segments arranged at distances from one another in the circumferential direction and separated from each other by clearances in between, the segments extending essentially axially parallel and forming the clamping surface with their inner peripheral areas. The segments are surrounded on the outside by a sleeve part. The segments are either in one piece with the sleeve part or, as separate structural elements, are a component of a mounted insert.

Abstract: A milling tool includes a milling body and a plurality of cutting inserts. The milling body has fastening devices to hold the cutting inserts in a plurality of respective insert pockets each having at least one base surface. Each of the cutting inserts has at least one cutting edge. The tool has a rotational axis and a rotational direction, as well as a feed direction and an end surface. The milling tool is provided to cut a work piece substantially in an axial direction of the tool, which is substantially perpendicular to the feed direction.

Abstract: A cutter tool assembly includes a cutter head having an axial end face with an axially extending recess in the end face. A plurality of cutter blades are carried by and extend axially from the end face of the cutter head. A non-volatile memory device is disposed within the recess and affixed to the cutter head.

Abstract: A tool, attachable to a spindle of a machine tool and capable of changing independently a rotational speed of a cutting tool from that of the spindle, provided with a cutting tool for machining a workpiece, an electric motor for driving the machining tool, a generator for generating electric power to drive the electric motor by the rotation of the spindle, a tool holding part for rotatably holding the cutting tool, a casing for holding the electric motor, the generator, the tool attachment part, and the tool holding part, and a locking part for preventing rotation of the casing by engagement with a non-rotating part of the machine tool.

Abstract: A machine tool provided with a universal head free from restrictions on its swivel operation due to the presence of a power cable to a motor directly driving a spindle and consequently expanded in range of movement, provided with a ram serving as a support, a swivel member held by the ram to be able to swivel about a predetermined swivel axis, a tool mounting member held at the swivel member, rotatably holding at its front end a spindle to which a tool is mounted, and provided with a motor for driving the spindle, a generator provided at the swivel member and generating power used by the motor, and a power source provided at the ram and supplying power to the generator.

Abstract: The present invention provides a tool holder attachment structure that allows a tool holder to be firmly attached to the main shaft of a machining tool and that allows the use of general-purpose tool holders with simple structures.

Abstract: A clamping sleeve/tensioning device comprises a clamping sleeve that is positioned inside a conical centering opening of a housing body. A chucking mechanism with rotational body is used to tighten or release the clamping sleeve. The rotational body is provided with a central opening, having an internal thread or an external thread, which directly engages in the clamping sleeve. The rotational body preferably is supported via a roller bearing on a corresponding bearing surface of the housing body. The rotational body is driven via a reducing gear, for example via a worm. As a result, high tensioning forces can be generated in connection with the relatively small diameter of the tensioning thread and the small conical angle. The small diameter of the tensioning thread ensures a low thread friction.

Abstract: A slotting cutter and a method for constructing the slotting cutter. The slotting cutter is structurally divided into two portions, a central adapter portion and a cutter portion. The central adapter portion is a disk with an F-type or S-type adapter. The cutter portion is an annular ring provided with cutting insert receiving pockets, or cartridge receiving pockets. The cutter portion and a body portion are manufactured separately and combined to form the slotting cutter by a heat shrinkage method.

Abstract: A collet chuck for holding a mounting collar of an object to be rotated has a chuck body centered on and rotatable about an axis and formed with an axially forwardly open socket shaped to receive the collar. A plurality of jaws in the socket have front ends engageable inside the collar in the socket and each formed with a radially inwardly directed planar front face. A setting sleeve has a front cam surface formed with respective planar radially outwardly directed front facets engageable with the front faces of the jaws so that the sleeve can cam out the front ends to lock the jaws to the collar in the socket.

Abstract: A collet chuck for holding a mounting collar of an object—tool or workpiece—to be rotated has a chuck body centered on and rotatable about an axis and formed with a forwardly open socket shaped to receive the collar. A plurality of jaws in the socket have front ends engageable inside the collar in the socket and rear ends. The jaws are angularly spaced and defining axially extending and radially inwardly open slots. A setting sleeve has a front cam surface engageable with inner faces of the front ends of the jaws so that the sleeve can cam out the front ends to lock the jaws to the collar in the socket. The sleeve is formed with radially outwardly projecting and axially extending ribs each received in a respective one of the slots.

Abstract: A toolholder and insert arrangement includes an insert having a cutting portion and a shank portion at a base of the cutting portion, and a toolholder having a first end attachable to a spindle and a second end having a shank-receiving opening. When the shank portion is not disposed in the shank receiving opening and the toolholder is at an ordinary room temperature, the shank-receiving opening is smaller than the shank portion, and upon heating of the toolholder to a predetermined temperature above the ordinary room temperature and above an ordinary operating temperature the shank-receiving opening expands to become at least as large as the shank portion and, upon cooling of the toolholder to a temperature below the predetermined temperature and after insertion of the shank portion in the shank-receiving opening, the shank-receiving opening shrinks to generally conform to a shape of the shank portion.

Abstract: A locking assembly for a toolholder to releasably secure the toolholder with a tool support member.

Abstract: A tool fixing device for clamping a tool in a tool holder, wherein the tool holder has a receptacle configured to clamp a shaft of the tool, has at least one static flexible element inserted into a force flow between the tool and the tool holder. The static flexible element is designed to damp tilting and bending vibrations of the tool in cooperation with a damping element provided in the receptacle at the free end of the shaft of the tool. This prevents chattering of the tool.

Abstract: An internal cavity cutting tool assembly includes a tool body, a tool hanger, and a bearing assembly. The tool hanger body has a through-bore that is adapted to receive the bearing assembly. The tool body has first and second body portions, each having an arbor bore, a cutting face having a plurality of indexable cutting inserts, and a bearing support surface. The bearing support surface of the second tool body portion is also received by end of the through-bore, such that the bearing support surfaces of the tool body portions oppose each other within tool hanger body. An arbor drive shaft and a support are operatively inserted though openings in a workpiece and through the arbor bore of the tool body. The arbor drive is retained in a milling device to operatively rotate the tool body assembly while precisely locating the tool hanger assembly, thereby sweeping the cutting inserts against the portions of the workpiece to be cut.

Abstract: A nosepiece adapter (10) for connecting a nosepiece (20) to a tool holder shank (30), wherein said nosepiece adapter (10) is comprised of a shaft (60) and an opposing nosepiece end (50) to receive said nosepiece (20), wherein a longitudinal cavity (70) extends through said nosepiece adapter (10) and opens at both ends of said nosepiece adapter (10); an escape valve cavity (80) extending from the outer surface of the nosepiece end (50) to said longitudinal cavity (70); wherein said shaft (60) includes a shaft attachment means for connecting said shaft (60) to said tool holder shank (30); and, wherein said nosepiece end (50) includes a nosepiece attachment means to connect said nosepiece (20) to said nosepiece end (50).

Abstract: A cutter holder comprises a coupling shaft, a driving shaft inserted into the coupling shaft, the driving shaft having toothed rails respectively engaged into corresponding radial slots of the coupling shaft, a driving nut mounted on the coupling shaft and meshed with the toothed rails of the driving shaft for enabling the driving shaft to be moved axially upon rotary motion of the driving nut; a retainer ring mounted on the coupling shaft and disposed in contact with the driving nut at one side, the retainer ring having a plurality of spring leaves radially arranged around the periphery thereof, a driving ring mounted around the coupling shaft and press-fitted onto the driving nut, the driving ring having retaining grooves for the positioning of the spring leaves of the retainer ring, and a chuck fastened to one end of the coupling shaft and adapted to hold down a cutter.

Abstract: A surface connection between mechanical components having intermediate deformable elements between the connected contact surfaces, shaped as segments of solid or hollow cylinders with straight or curvilinear axes and their cross sections are compressed in the radial direction during assembly of the connection, thus allowing for adjustments of relative positioning of the connected components, for compensating dimensional imperfections, and for enhancement of stiffness and/or damping of the connection.

Abstract: Proposed is a tool with a tool insert (53) for machining workpieces, comprising a collet (2), designed for manual interchange of tools and for securing in position the tool insert (53) in a tool spindle (89), comprising at least one channel, penetrating essentially in the axial direction the tool (1), in particular the collet (2), for mediums, in particular for coolants and/or flushing agents and/or lubricants. Said tool is characterized in that a second channel (7, 7′), which is separated from a first channel (5) and which runs essentially in the axial direction, is provided for mediums, in particular for coolants and/or flushing agents and/or lubricants in the collet (2), and that different mediums can be conveyed in the channels (5) and (7; 7′); and that they empty into a mixing device (85).

Abstract: An endmill having a shank and a milling head having cutting teeth continuous from a peripheral surface toward a forward tip face, wherein the endmill has a through hole extending from the forward tip face of the head to the shank past the head along a rotation axis of the endmill. The head and shank comprise separate component parts and the head is mounted on the shank by inserting a screw member from the tip end face into the hole and fixing the screw member to the shank.

Abstract: A slotting cutter and a method for constructing the slotting cutter. The slotting cutter is structurally divided into two portions, a central adapter portion and a cutter portion. The central adapter portion is a disk with an F-type or S-type adapter. The cutter portion is an annular ring provided with cutting insert receiving pockets, or cartridge receiving pockets. The cutter portion and a body portion are manufactured separately and combined to form the slotting cutter by a heat shrinkage method.

Abstract: A clamping system for detachably assembling two pieces. The clamping system includes a clamping device concentrically mounted in a receiving section which extends in a hollow shaft of one of the two pieces, when the two pieces are engaged. The clamping system further includes at least two clamping bodies which can move in opposite directions and an actuating device which actuates the clamping bodies. The clamping bodies can be engaged with an undercut clamping shoulder of the hollow shaft and disengaged therefrom, whereby a pressure force is applied between the flat surfaces of the two pieces to be assembled.

Abstract: A burr tool for use with heat shrink tool holders and fittings. The tool comprises a shank fabricated from a heavy metal material. Secured to the shank through a high temperature deposition process is an abrasive material. The shank is constructed out of a heavy metal such that the shank maintains a selected diameter within a prescribed range despite being heated to a temperature necessary for deposition of the abrasive material thereupon. As such, the shank maintains tolerances necessary for the use thereof with heat shrink tool holders and fittings.

Abstract: A chuck for the clamping of tools by shrink fit includes a chuck member which has a longitudinal section having a central receptacle with clamping surface for the insertion and holding of the tool to be clamped with its shank. The longitudinal section includes a plurality of segments arranged at distances from one another in the circumferential direction and separated from each other by clearances in between, the segments extending essentially axially parallel and forming the clamping surface with their inner peripheral areas. The segments are surrounded on the outside by a sleeve part. The segments are either in one piece with the sleeve part or, as separate structural elements, are a component of a mounted insert.

Abstract: The invention of this patent is an adjustable rotary tool counter balanced system. The invention provides for balancing weights that are mounted to a cutting tool body to provide a means to compensate for a rotational balance error induced by the variable positioning of a cutting tool. The invention allows a user to adjust the cutting tool within the cutting tool body, so as to maximize tool efficiency. The user can also balance the rotational mass about the axial center line of the cutter tool body, by means of the balancing weights, thus eliminating vibration caused by an unbalanced rotating cutting tool.