Abstract: A lathe tool that works in conjunction with a HUNTER lathe to engage a rotating an inner frictional surface of a flywheel on its axis to perform various symmetrical operations about an axis of rotation such as cutting and facing with a cutting tool. The components of the lathe tool position to one side of the flywheel to allow sufficient clearance for engaging a large flywheel across the full diameter of the flywheel, and also provide adjustment mechanisms for enhanced precision. A lathe mount extends perpendicularly from the Hunter lathe terminating at a lathe mount aperture. A tool mount passes through the lathe mount aperture terminating at a cutting tool notch, where the cutting tool attaches. A bracket passes through the tool mount and includes an adjustable screw that extends towards the Hunter lathe, rotating to draw the lathe tool to and from the flywheel.

Abstract: Cartridge for supporting at least one cutting insert and for being received on a tool body is disclosed. At least a first portion of the cartridge may be stationary mounted and the cartridge includes at least one pocket for receiving a cutting element. A coarse and a fine adjustment means are provided by means of which at least a second portion of the cartridge including the pocket may be moved with respect to the tool body and wherein the coarse and the fine adjustment means are merely provided at the cartridge.

Abstract: A multiple tool station block for a machine having a Y-axis, such as a CNC machine, is provided.

Abstract: A tool post assembly includes a tool post body adapted to be mounted on a machine tool, a carrier block coupled to and movable relative to the tool post body by means of a tenon-and-mortise structure, and a lever pivotally mounted on the tool post body and having a manually operable power end and a weight end which is coupled to the carrier block such that, when the power end is actuated, the carrier block is moved from a normal position to a lifted position so as to quickly displace a tool held thereby away from a workpiece.

Abstract: A tool post assembly includes a tool post body adapted to be mounted on a machine tool, a carrier block coupled to and movable relative to the tool post body by means of a tenon-and-mortise structure, and a lever pivotally mounted on the tool post body and having a manually operable power end and a weight end which is coupled to the carrier block such that, when the power end is actuated, the carrier block is moved from a normal position to a lifted position so as to quickly displace a tool held thereby away from a workpiece.

Abstract: A lathe machine includes a turret having a saddle movable along a longitudinal direction toward a headstock, and a turret body mounted on the saddle and movable along a transverse direction on the saddle, and a tailstock having a bottom seat movable along the longitudinal direction toward the headstock, and a tailstock body mounted movably on the bottom seat. A first coupler unit is provided to couple releasably the saddle and the bottom seat so that the bottom seat can be driven by the saddle to move along the longitudinal direction toward the headstock. A second coupler unit is provided to couple releasably the turret body and the tailstock body so that the tailstock body can be driven by the turret body to move along the transverse direction.

Abstract: A quick change tool holder having a base member, a body, a quick change head member, and a cutting tool cartridge. The base member includes an upper surface, bottom surface, and mating surface and is adapted to removably mount to an associated cutting machine carriage. The body includes an end wall and an inner surface, where the end wall includes a dovetail portion. The body is adapted to engage the base member in an interlocking fashion. The quick change head includes a top surface, a bottom surface, an interface wall having a channel disposed therein, and an outer wall having a plurality of longitudinal grooves, wherein said channel is adapted to receive said dovetail portion. The cutting tool cartridge is adapted to engage the longitudinal grooves of the quick change head.

Abstract: A tool structure contains a first part having an oval end section with regard to an axis of symmetry in a direction of a maximum height and an axis of symmetry in the direction of a maximum width, and a second part having a recess accommodating the end section via mutual contact surfaces. The tool structure has a clamping element for the mutual clamping of the parts and mutual contact surfaces that are restricted to in each case four spaced-apart surface sections. These surface sections are disposed symmetrically with respect to a circumference of the end section such that a center point of a straight connecting line of the starting and end points of the respective surface section is at a normal distance b1 from the axis of symmetry and at a normal distance h1 from the axis of symmetry, h1 being greater than b1.

Abstract: A lathe frame assembly has a lathe frame, a front end of the lathe frame having an axial hole and two recesses, a clamper having a retaining hole at a middle section thereof; a front end of the clamper being installed with a protrusion which is received in a positioning hole of the lathe sheet; a lower end of the clamper having two noses which are received into the two recesses of the lathe frame so as to lock the lathe sheet; and a front end of the lathe frame having an engaging portion which is formed with two resting portions. The engaging portion has a shape selected from rectangular shapes, rhombus shapes and triangular shapes so as to clamp the lathe sheet tightly.

Abstract: A tool holding device is disposed between a headstock unit and a tailstock unit of a five-axis lathe, and includes a saddle driven to move longitudinally, a cross-slide riding on the saddle and driven to move transversely, a turntable platform disposed on a base mount that is disposed on the cross-slide and driven to revolve about an upright axis, and a tool post mounted on a base rest that is disposed on the turntable platform and driven to move uprightly. An indexable turret is disposed on the tool post for holding tool bits such that the five-axis lathe can perform movements about five axes to machine a workpiece so as to obtain a complicated geometric shape, thereby reducing setup time and errors and increasing production.

Abstract: A precision machining system with a variable projected machining width of the cutting surface of the machining tool, including: a workpiece holder to hold a workpiece; a machining tool holder to hold the machining tool such that the Z axis is substantially parallel to the tool's centerline; a Z translation stage and an X translation stage each coupled to one of the workpiece holder or the machining tool holder; a workpiece spindle coupled to the workpiece holder to rotate the workpiece about the workpiece axis that is parallel to the Z axis; a machining path controller electrically coupled to the X translation stage and the workpiece spindle; and a tool spindle coupled to the machining tool holder. The tool spindle rotates the machining tool about the centerline of the machining tool, which varies the width of the cutting surface of the machining tool projected perpendicular to the machining path.

Abstract: There is provided a method of manufacturing an optical element having a circular portion and at least one annular zone formed thereon, the circular portion having a circular profile and centered about an optical axis as viewed from a direction of an optical axis, the annular zone having an annular zonal face and a boundary wall face formed concentrically around a periphery of the circular portion, and the boundary wall face linking between the circular portion and the annular zonal face. The method is performed by rotating a workpiece about a rotation axis corresponding to the optical axis, and allowing a sharply pointed front end of a tip to prick the workpiece to a portion corresponding to an angled portion defined by the annular zonal face and the boundary wall face so that the annular zonal face is formed by side edges of a rake face of the tip.

Abstract: A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with at least one machined tool tip and possibly other tool tips. The actuator provides for control of the movement of the tool tip in an x-direction into and out of the work piece in order to make continuous or discontinuous microstructures in it. The machined tool tip provides for microstructures within microstructures. The machined work piece can be used to make microstructured articles such as films having non-adjacent lenslets.

Abstract: A cutting tool system includes a clamping device and a cutting tool mounted therein. The cutting tool carries a cutting edge and includes a shaft clamped within an aperture of the clamping device. Prior to being clamped, the shaft is movable relative to the clamping device in either a longitudinal or rotational direction, in order to locate the cutting edge in a desired position. Either the clamping device or the cutting tool carries a spring-loaded device which engages a recess formed in the other of the cutting tool and clamping device when the cutting tool and its cutting edge are in a desired position, to provide an indication that the cutting tool is in such desired position by providing a sudden increase in a force necessary to displace the cutting tool out of such desired position.

Abstract: The machine tool support apparatus includes an elongate bar member that comprises a mounting portion and a collet portion. The mounting portion is releasably attachable to a machine mount of a turning machine. The collet portion includes a main aperture that extends therethrough. A collet retaining assembly selectively receives a plurality of collet assemblies which are releasably attachable to the bar member and secure machine tools to the machine mount during a machining operation. A retaining pin restricts rotational movement of each of the collet assemblies with respect to the bar member. A positioning assembly selectively positions the bar member along a longitudinal axis of the bar member with respect to the machine mount. A coolant assembly applies coolant to the machine tool during a tooling operation. A lubrication assembly permits selective lubrication of the main aperture of the collet portion and the positioning assembly.

Abstract: A workpiece is cut by a cutting tool that is attached to a cylindrical support body vibrated by at least two piezoelectric drive elements. The efficiency of the mechanical vibration is improved by attaching the piezoelectric drive elements to a cylindrical body portion (7,7.1,7.2) of the tool support body (2) and by providing the support body with a plurality of necked-down end sections. At least the cylindrical body portion (7,7.1,7.2) is a cylinder with a substantially circular cross-section or with a circular cross-section to provide a constant or a substantially constant bending rigidity of the cylindrical tool support body.

Abstract: A driven tool includes a driven part which is rotatably driven by a drive part. The driven part and the drive part are coaxially arranged one inside of the other. The drive part and the driven part are conical as viewed in a longitudinal section plane containing the axis. The driven part includes driven teeth projecting generally radially with respect to the axis and received in respective radially-open recesses formed in the drive part. Each of the driven teeth makes contact with a wall of the respective recess at first and second contact places which are respectively situated on opposite sides of a generally radial line of symmetry of the driven tooth. The contact places are operable to transmit a drive force from the drive part to the driven part in respective directions of rotation. A driving angle in the range of −5° to +45° is formed at each contact place.

Abstract: A metal cutting tool includes a stationary tool holder and a mounting body therefor. The tool holder includes a first coupling part which is restrained by a second coupling part on the mounting body. The coupling parts are coaxially arranged one inside of the other. The coupling pars are conical as viewed in a longitudinal section plane containing the axis. The first coupling part includes teeth projecting generally radially with respect to the axis and received in respective radially-open recesses formed in the second coupling part. Each of the teeth makes contact with a wall of the respective recess at first and second contact places which are respectively situated on opposite sides of a generally radial line of symmetry of the tooth. The contact places are operable to transmit a restraining force from the second coupling part to the second coupling in respective directions. A restraining angle in the range of −5° to +45° is formed at each contact place.

Abstract: A hand-operated toolholder for a chisel (1) and including a holding member for operating a chisel and having a protection flange at its end facing in a direction opposite to an operational direction (B), a tubular guide (2) for axially guiding the chisel (1) and received in the holding member (3), and a locking mechanism (6) cooperating with the tubular guide (2) for retaining the chisel in the guide.

Abstract: A quick-change tool post, having a rectangular tool post body with a bore there through defining an axis of rotation. The body defines a plurality of generally rectangular tool support faces and a plurality of laterally offset external dovetail connections receiving internal dovetail connections of overlapping tool support members. A post extends through the body and defines a pivot about which the body is rotatable. An indexing mechanism having locking and unlocking conditions permits unlocking of the post during a first increment of rotational locking handle movement and rotation of the post during a second increment of rotational movement of the handle in the same rotational direction.

Abstract: The invention relates to a tool holding assembly with an adjustment means capable of causing the tool holding end of the assembly to bend in relation to the opposite attachment end of the assembly. This is accomplished by providing first and second contact surfaces longitudinally spaced from each other along the assembly, and providing an adjustment means having at least one adjustment screw, wherein by adjusting the screw, pressure can be simultaneously applied by the adjustment means onto the first and second contact surfaces, such that an axis of one end of the assembly can be displaced by bending in relation to the other.

Abstract: A complex tool has a main body and a turning tool provided at an outer periphery portion of the main body. The turning tool is capable of machining on a rotating workpiece without rotating itself. An insert installed on the turning tool has a top end which contacts a workpiece by projecting a predetermined amount outside the main body's outer peripheral face. It also projects a predetermined amount from a top end portion of the main body in a direction of an axial center of the tool. The complex tool also has a rotating tool for machining by rotating itself. The rotating tool accomplishes machining corresponding to an axial center of the main body.

Abstract: The invention provides a tool support for machine tools comprising a base unit, a holding member arranged on the base unit and two supporting surfaces extending at an acute angle to one another arranged on the holding member for supporting a tool holder in first and second supporting areas. A clamping device acts on a clamping member of the tool holder such that the tool holder acts upon the supporting surfaces with the two supporting areas. The clamping element may be mounted in the holding member for rotation about an axis and bear a wedge surface movable around the axis for acting on the clamping member. The wedge surface of the clamping element may engage over the clamping member proceeding from an insert position during the rotation of the clamping element in a first direction of rotation and displace the clamping member increasingly in the clamping direction.

Abstract: A tool head having a first slide fitted with a tool holder as well as a second slide for eliminating the unbalance effect created by the off-centering of the first slide. An actuating device that can be actuated longitudinally that is able to control the radial displacement of the two slides. Each of these slides is provided with a pressing device for pressing the slide against an oblique support surface of the actuating device. The force exerted by each of the pressing devices is determined, so as to be greater than the centrifugal force exerted on each slide and in a direction opposed to that of the centrifugal force. This force is determined so that the resultant force of all forces exerted on each slide is constant.

Abstract: A plurality of connecting members are provided to a tool adaptor to which a tool is mounted, a plurality of connecting jaw members having inclined faces which are engaged with and detached from the connecting members when the connecting jaw members are displaced in radial directions, a rod that expands and contracts due to operation of air pressure, and a cam-type converting mechanism for converting the expanding/contracting operation of the rod to operations of displacement of the jaw members are provided to a mounting unit mounted to a robot hand, and a stopper portion for preventing the connecting member from being detached and falling from the inclined face when the air pressure reduces is provided to each the jaw member.

Abstract: 1. Turret.

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 method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the holder longitudinal axis while maintaining the knurl wheel point of contact on the longitudinal axis. The apparatus also includes a knurling wheel that includes teeth of at least two different configurations. Also disclosed is a method of molding a molded article with the knurled workpiece to impart the inverse of the knurl pattern onto the molded article, such a molded article, a method of forming a structured abrasive article with the molded article, and such an abrasive article.

Abstract: A holder for the detachable assembly of cutting tools includes a clamping mechanism, which has a piston axially movable by applying oil pressure on either of two opposite sides thereof. A projection of the piston includes a cone surface with a moderate cone angle arranged to co-operate with a wedge body which is self-locking in relation to the cone surface to keep the cutting tool clamped, even when oil pressure is relieved. In order to guarantee such self-locking, transverse grooves are provided in the cone surface enabling friction-reducing oil to be evacuated from the interface between the cone surface and an inner, partially cone-shaped surface on the wedge body.

Abstract: A machining method for a workpiece with a lathe device, wherein compressed air and liquid are individually supplied to the interior of a turret. After the compressed air and the liquid are separately passed through the interior of the turret, they are separately supplied to the interior of a tool holding means fixed to the turret. At the interior of the tool holding means, the compressed air and the liquid are mixed and atomized to form a mist. Atomized mist is then delivered to a tip of a working tool for machining, either along the outer surface or within the interior of the working tool, and is sprayed onto a working part from the tip of the working tool. The machining method does not cause problems such as hardening, like quenching, of a surface of the workpiece with generated cutting heat even during high-speed cutting.

Abstract: A metal cutting tool includes a stationary tool holder and a mounting body therefor. The tool holder includes a first coupling part which is restrained by a second coupling part on the mounting body. The coupling parts are coaxially arranged one inside of the other. The coupling pars are conical as viewed in a longitudinal section plane containing the axis. The first coupling part includes teeth projecting generally radially with respect to the axis and received in respective radially-open recesses formed in the second coupling part. Each of the teeth makes contact with a wall of the respective recess at first and second contact places which are respectively situated on opposite sides of a generally radial line of symmetry of the tooth. The contact places are operable to transmit a restraining force from the second coupling part to the second coupling in respective directions. A restraining angle in the range of −5° to +45° is formed at each contact place.

Abstract: A hand-operated toolholder for a chisel (1) and including a holding member for operating a chisel and having a protection flange at its end facing in a direction opposite to an operational direction (B), a tubular guide (2) for axially guiding the chisel (1) and received in the holding member (3), and a locking mechanism (6) cooperating with the tubular guide (2) for retaining the chisel in the guide.

Abstract: A toolholder apparatus is provided for holding a cutting tool adjacent a rotating workpiece. The apparatus includes a mounting block base and a mounting block body slidably supported on the base. A first adjustable connector connects the body to the base so that a position of the body on the base can be adjusted in a first direction toward the workpiece. A center adjustment block slidably engages the body. A second adjustable connector connects the center adjustment block and the body so that a position of the center adjustment block on the body can be adjusted in a second direction transverse to the first direction and transverse to the rotational axis of the workpiece. A head is detachably mounted on the center adjustment block. The head is removable from the center adjustment block by sliding movement in a third direction transverse to both of the first and second directions.

Abstract: A turning assembly for turning a workpiece includes a holder and plurality of turning bits mounted next to one another in a parallel relationship for simultaneously engaging a the workpiece. The turning bits are mounted in respective holding elements which are individually adjustably mounted in the holder. Spacers can be provided to space the turning bits apart. Safety devices are provided, each including an elastic element for frictionally retaining a respective turning bit and/or spacer within the holder to enable the holder to be manipulated without the turning bits and/or spacers falling out.

Abstract: A rigid tool slide support is disposed to be mounted in a screw machine in either of two different operating positions in each of which a tool slide reciprocates on the upper surface of the support to convey a cutting tool to and from the work that is to be machined. Projecting centrally from the bottom surface of the slide is an elongate, dovetail shaped guide which is slidably mounted in a similarly shaped but slightly wider recess in the support. Secured in the recess of the support adjacent one side thereof, and slidably engaged with a confronting side of the dovetail guide of the slide, is an elongate expansion gib having therein an adjusting screw that is rotatably adjustable to expand or contract the length of the gib, thereby to adjust the running clearance between the support and the slide.

Abstract: A tool post has gibs for locking tool holders onto dovetail tool mounts, the gibs having an extended range of movement vertically on the tool post to permit mounting of tool holders in a range of vertical positions on the tool mounts. The tool post has mounts for several tool holders, which may be independently locked on the mounts and unlocked from the mounts by adjustment of independently movable gibs. The tool post has a handle with a movable adjustable pawl, and upwardly-projecting screw heads projecting from the top of the tool post. The pawl is movable so that the handle can selectively be rotated between screw heads. The screw heads drive screws which move gibs for locking and unlocking tool holders on the tool mounts. The tool post has a base plate with a non-circular element rigidly attached thereto. The element may be fixed on a lathe to prevent rotation of the body of the tool post.

Abstract: A chamfer forming head for paper roll comprising an inner threading hole to receive a rotating head thereof is provided. The front portion of said forming head is provided with an annual recessed surface having the same diameter of a paper roll to be machined. The forming head further comprises a plurality of radial holes disposed equiangularly around the peripheral of the forming head. The radial holes are communicated with the annular recessed surface. Each of the radial holes is received and disposed with a pressing tool which comprises an end portion, a cutout, a pressing surface, an aligning cutting slot and a contacting end. The pressing tool can be readily adjusted within the radial hole such that the contacting end of the pressing face can be raised to a level which is higher than the annular recessed surface. A locking element is provided and disposed within said radial hole such that the pressing tool can be locked up when the pressing tool is adjusted.

Abstract: A tool holder which uses a collet for holding a stationary tool on a turret of a turret lathe. The turret being of the type having a plurality of flat surfaces adapted for receiving a tool holder. The tool holder includes a body with a flat surface adapted for mounting against at least one of the flat surfaces of the turret, and a fixed aperture of a fixed size having an axis, a first end centered on the axis and a second end centered on the axis and a constriction starting near the first end and gradually reducing the size of the aperture in the direction of the second end. At least two locations for fixedly mounting the body against the turret are positioned next to the aperture, and allow for mounting of the body against the turret in a fixed position.

Abstract: A toolholder apparatus includes a head, a cutting tool mounting fixture attached to the head for holding the cutting tool, and a floating roller assembly pivotally mounted relative to the head. These components are arranged and constructed so that during the cutting of a workpiece with the cutting tool the floating roller assembly can pivot about a pivotal axis relative to the head to allow the floating roller assembly to align with the workpiece. A mechanism is also provided for accomplishing the initial adjustment of alignment of the cutting tool with the rotating workpiece. This mechanism includes a cylindrical shaft extending from the head, and having an eccentric cam follower lug extending transversely from the shaft. A mounting block has a cylindrical bore disposed therethrough, and the shaft is received through the bore of the mounting block. A cam piece is slideably disposed within the mounting block to rotate the shaft as the cam piece slides relative to the mounting block.

Abstract: An adaptor is inserted between a cutting tool and a clamping section of a tool machine. The adaptor comprises a tool clamping part holding the tool, and an adaptor clamping part which is held by the machine. Between the two parts there is a bearing which controls the relative movement between the two parts in such a manner that this movements does not influence machined geometry, dimension or surface of the work piece machined by the tool, to any significant degree, and an elastic damping member which ensures that a possible relative movement between two parts is damped down to a desired degree. Possible vibrations in the tool are thereby kept down on a level where they do not contribute to amplify the normal sound pressure from the machining operation, and an efficient noise suppression is achieved.

Abstract: A plastic tool pocket mounts to tool storage chain in a machining center. The tools all have a hollow, tapered tool shank, which fits into tool pocket. The hollow tool shank has an internal relief and retention groove for securing the tool shank with a machine spindle. The tool pocket has central support shaft, having a circular spring ring loosely fitted into an annular clearance groove. When the tool shank slides over the support shaft, the circular ring first deflects radially into the clearance groove, then pops out into the retention groove, to hold the tool shank in position.

Abstract: An adjustable toolholder apparatus includes a base plate having a planar supporting surface. A holder body includes a bottom planar supported surface which slideably engages and rests upon the supporting surface of the base plate. A linear position adjuster provides a linear sliding motion of the holder body upon the base plate. An angular position adjuster provides a rotational sliding motion of the holder body upon the base plate. The holder body has a wedge shaped recess within which is received a wedge shaped carrier block. A vertically adjustable column supports the wedge shaped carrier block from the base plate to adjust a height of the cutting tool. After linear and angular adjustment of the cutting tool relative to the base plate, the wedge shaped carrier block is clamped to the holder body, and the holder body and base plate are clamped to a cross slide to fix the cutting tool in its final desired position.

Abstract: The invention relates to toolholders and mechanisms for securing the toolholder to a lathe turret or tool indexer. One embodiment of the invention comprises a base adapted to be secured to a rotary lathe table via a mechanism receivable in slots or grooves which can be wedged and compressively secured about selected positions about an engagement surface. A second embodiment comprises a bore securable to a lathe table via both fastening and positioning mechanisms where the bore defines a dovetail groove receivable to a complementary tongue where the toolholder is securable to the bore in a cam locking mechanism.

Abstract: A box turning tool for a Greenlee automatic screw machine with a conventional endworking attachment uses a conventional indexable carbide insert to produce proper cutting action on a workpiece. The box turning tool has a shank clamped in the endworking attachment. The shank has an insert seat that lies in a transverse plane that makes an angle of approximately 83 degrees with a central longitudinal plane defined by the shank. The indexable carbide insert cutting edge is mounted to the shank insert seat such that a cutting edge is inherently parallel to a horizontal plane passing through the longitudinal axis of the automatic screw machine spindle and the workpiece. The shank is adjusted in the endworking attachment to bring the carbide insert cutting edge into coincidence with the horizontal plane through the automatic screw machine longitudinal axis. The shank can be formed to locate the carbide insert such that the cutting tip thereof leads or trails the cutting edge.

Abstract: A retrofit assembly for a tool post adapted for rapid attachment and detachment relative to the compound rest of a lathe for adjusting the positioning thereof and for the presentation of a tool holder relative to the tool post consisting of a single operating body for tightening/loosening the tool post relative to the compound responsively to the turning of a stud on a screw means and for tightening/loosening a tool holder relative to the tool post responsively to the driving force of a manipulating device.

Abstract: A cutting tool holder is composed of a cutting tool holder main body 1 and a bracket 2 mounted to the top of a front end portion of the main body, which are fixedly secured to each other by a clamping bolt 3 and a knock pin 4. At the front end portion of the cutting tool holder main body 1 is provided a plane inclined with respect to the bottom surface of the main body 1 and a dovetail groove to be used for mounting a cartridge. A lower stopper 5 and a lower pressor metal 8 are provided for positioning and fixing the lower portion of the cartridge when inserted into the dovetail groove. The bracket 2 is provided with an upper stopper 6 and an upper pressor metal 10 for supporting and fixing the upper portion of the cartridge. In the cartridge, a hollow rotary shaft 13 is fitted around a washer-faced rigid shaft 12 via bearings. A circular die throw-away tip 14 is fitted around the rotary shaft 13 and is fixed to the rotary shaft jointly with a chip breaker 16 by a nut 15.

Abstract: A cutting tool for parting and grooving operations comprises a shaft and a clamp body releasably secured to the front end of the shaft. The clamp body carries a cutting insert clamped between a pair of clamp arms. The clamp body includes first and second blade portions oriented at a right angle to one another. The first blade portion is adapted to be secured to one outer surface of the shaft, whereas the second blade portion is adapted to be secured to a second outer surface of the shaft.

Abstract: A quick setting and release machine tool post having a body block structure forming a pair or partial dove tail tool mounts externally thereof. The body block also forms a pair of expander receptacles each receiving a dove tail expander element in movable assembly therewith. A rotary actuator located within an actuator receptacle defined by the body block forms oppositely directed intersecting eccentric cam surfaces that are disposed for driving engagement with respective dove tail expander elements depending upon the direction of rotation of the actuator element. The dove tail expander elements are selectively linearly movable to establish tight locking engagement within the dove tail receptacles of tool holders and are retractable to release the tool holders for replacement or repositioning. The design and operational characteristics of the tool post mechanism minimizes wear of component parts and promotes long service life.

Abstract: A stand (10) that includes an upwardly projecting support member (24) shaped into wedge portions (36, 38), each wedge portion configured to fit within the groove (18) formed in a conventional holder (14) for a lathing tool. The stand (10) provides a compact and convenient mechanism for storing holders that are not fastened to the lathe.

Abstract: A tool for use with a tool holder has a body to which at least one blade such as a circular saw blade or milling cutter is clamped to prevent the blade from turning when a selected tooth is brought into cutting or grooving contact with a rotating work piece, the blade is of a type having its teeth so spaced and arranged that each tooth is spaced 90.degree. from another tooth. The body of the tool has first and second parallel clamping surfaces through which a straight slot opens. A first or front clamping member has a hub on which a blade is rotatably mounted and which fits the slot and is held thereby against turning. The two clamping members are connected by a threaded member by which the clamping members are drawn towards each other to clamp the blade against the first clamping surface. The slot is disposed and dimensioned so that, in use, it is normal to the axis of the work piece with one end above and the other end below that axis.