Abstract: Cleaning turbine having a cylindrical shape with an axis or rotation and provided with a concave base surface facing toward the work zone, with an upper surface, opposite the base surface, and a circumferential surface interposed between the base surface and the upper surface. The cleaning turbine is provided circumferentially with a plurality of slits angularly distanced from each other, facing upward and passing through the base surface and the upper surface. The cleaning turbine is also provided with a plurality of lateral apertures each of which extends radially from the slits to the circumferential surface.

Abstract: A punching device for punching a workpiece includes a punching part and a broaching part. The punching part has a punching cutting edge that limits a punching cutting area, the punching part being intended to pierce the workpiece. The broaching part is intended to tear the workpiece later than the punching part, and includes at least a broaching tooth with a cutting edge that limits a cutting area which is greater than the punching cutting area.

Abstract: This invention relates to cutting tools used to machine materials to produce new surfaces and chips of removed material. Embodiments of this invention allow round rotating cutting inserts to be used in a more economical way, with improved accuracy, with improved sealing, and with greater ease of use. The rotary support device and cutting inserts may be used in either radial or tangential mounting types of cutters. It also provides a built-in, fully sealed means of fine adjustment of the cutting insert that is useful in some applications.

Abstract: A reaming tool includes a tool body having an axially rearward shank portion and an axially forward cutting portion, the forward cutting portion having at least one peripherally arranged cutting insert. The reaming tool also includes an inlet coolant channel formed in the tool body and an inlet opening at an axially rearward end of the shank portion. An outlet coolant channel is formed in the tool body and is in fluid communication with the inlet coolant channel, wherein the outlet coolant channel defines an outlet opening proximate to the cutting insert. In one particular aspect, at least a portion of the outlet coolant channel is non-linear. A method of making a component of the reaming tool by performing a printing operation on a substrate to form the component is also provided.

Abstract: The present invention relates to a multi-material rotary cutting tool (1) and a method for manufacturing such a tool that includes at least one continuous or substantially continuous cutting edge (8, 9) made of at least two different successive materials. The extremity or top (10) of the tool is a point off-centered in relation to the axis of rotation (5) of the tool.

Abstract: The container may hold a material, such as, plastic wrap. The first container portion may include a first leg with an engagement member. The engagement member may engage the second leg during the cutting process. In addition, the engagement member may disengage from the second leg during or after the cutting process. When the user wishes to cut the material, the user pushes down on the first container portion. The material is held between the engagement member and the second leg at a first location. The third leg may assist in holding the material at a second location. The holding of the material in tension may facilitate the cutting of the material. As the user continues to push down on the first container portion, the engagement member disengages from the second leg. The user can remove the portion of material without opening the first container portion.

Abstract: The present invention is a rotary head tool that is a self-propelled rotary tool (SPRT) operable for round cutting involving hard turning. The rotary head tool comprises generally a toolholder, a tool that is removably or fixedly connectable to the toolholder, and an insert that that incorporates a cutting edge finable into the tool. The toolholder is formed to hold the tool with the insert therein at a particular angle. Elements of the rotary head tool of the present invention, such as the insert, may be “off the shelf elements and consequently the present invention may be produced at a low cost. Embodiments of the present invention are designed so that the rotary head tool provides economical benefits and affordability for the user and to provide performance benefits of SPRTs.

Abstract: A tool for preparing vertebral surfaces following a discectomy has a body and a rotary cutting tool mounted at the distal end of a lever which extends through the body. The proximal end of the lever can be squeezed toward the body to force the cutting tool against the vertebral surface facing it, while the tool is rotated by turning a crank supported on the tool body, or by a motor. The cutting tool is preferably a flexible rasp or blade which can conform to and control the convexity of the prepared surface.

Abstract: The invention relates to a multi-edged machining tool for the post-machining or precision machining of bores. The tool has at least one cutting insert with a pre-determined nominal diameter measurement and with cutting edges that are distributed substantially uniformly around the periphery, in addition to a guide body assembly that is axially offset in relation to said edges. The guide body assembly can be an integral component of a substantially cylindrical guide body that consists of a solid carbide. In some embodiments, said guide body forms at least n helical guide ribs which are equidistant around the periphery and which have a nominal diameter substantially smaller than the nominal diameter measurement of the cutting insert by a value equating to double the dimension of the lubricant gap that is formed during the operation of the tool.

Abstract: A mounting tool (1) for mounting a friction-welding boss (9), wherein the mounting tool (1) includes a drive shaft (2) with a first end section (3) adapted to create a detachable force coupling with the friction-welding boss (9) or an adapter and a holder is arranged spring-loaded at the first end section (3) and at least one cutting means (6) is arranged at the holder (5). A milling adapter (10) includes a first end section (11) adapted to create a detachable force coupling with a mounting tool (1), and a second end section (12) including at least one cutting means (13).

Abstract: A dispenser for a roll of film material, comprising a cutting arrangement for cutting polyethylene having an upper portion and a lower portion, the upper portion being configured to move in relation to the lower portion between an open position and a cutting position. One of the upper portion and the lower portion comprises a blade, and the other of the lower portion and the upper portion comprises a cutting channel defined by a first pair of legs. The legs include at least one surface configured to reduce slip of film material across that surface.

Abstract: A method for cutting teeth in workpieces, wherein, in a roughing operation, a substantially uncut blank receives rough teeth using a cutting tool having cutting teeth. Operation teeth are produced, the tooth width of which is defined by the spacing between the flanks of the teeth and is greater than the target dimension. In a subsequent deburring operation, a chamfer is incorporated into the end face edge of the tooth flanks, accompanied by the removal of an end face burr. Lastly, in a smoothing operation, the tooth width of the teeth is brought to the target dimension by machining the tooth flanks.

Abstract: A tool for machining composite material parts and a machining machine including such a tool. The tool has a substantially cylindrical main body. The main body includes a polishing part with a diameter D1, with a main axis and an abrasive part with a diameter D2, with D2<D1, such abrasive part being centred on the main axis. The abrasive part includes, at its end at least one cutting element intended to enable penetrations of the tool into the composite material parts.

Abstract: A throw-away burnishing tool for an outside diameter includes: a tool holder having a rectilinear I-shaped portion and a protrusion portion; a hard material tip detachably attached to a tip holder; a holder pin connected to the tip holder and accommodated in the protrusion portion of the tool holder, the holder pin having an oblong aperture in the form of a through-hole extending in a direction substantially perpendicular to an axis of the holder pin; an urging means internally inserted into the holder pin and urging the holder pin; an urging force adjustment means for adjusting an urging force generated by the urging means; and a parallel pin supported at both ends by the tool holder and passing through the oblong aperture, wherein the parallel pin guides a movement of the holder pin along the oblong aperture.

Abstract: A tool for machining workpieces, having at least one cutting edge which is fastened to a main body of the tool. A respective deburring device removes the burrs produced by each cutting edge during machining. The deburring device is supported at the main body near the cutting edge and is movable by an actuatable piston between a retracted storage position in the tool body and an extended active position out of the tool body for deburring after surface machining.

Abstract: Apparatus is disclosed for finishing the inside of hollow work-pieces such as long hydraulic or pneumatic cylinders. A rotatable skiving and roller burnishing tool is advanced into one end of the work-piece and advanced through the cylindrical interior of the work-piece. The skiving section is located at the front of the skiving and roller burnishing tool, and the roller burnishing section comprises the rearward section of the tool. The skiving section of the tool has a knife holding portion which holds a skiving knife to skive the interior from a start diameter to a larger, finish diameter. The skiving section also has a plurality of cavities, forward of the knife holding section, which are disposed circumferentially around the skiving section of the tool. A plurality of probe centering location finders are located in the respective cavities.

Abstract: A reversible cutting tip for a cutting tool has a cutting wedge defined by a first face and a first flank. The cutting wedge has a clearance angle of 0° to 3°. The first flank is produced by applying a first coating to the cutting tip and the first face is produced by applying a second coating to the cutting tip. The tool is employed for removing cuttings from a workpiece by the cutting tips and for subsequently smoothing the crack surface of the workpiece, created by removing the cuttings, by employing the first flanks.

Abstract: Apparatus is disclosed for finishing the inside of hollow work-pieces such as long hydraulic or pneumatic cylinders. A rotatable skiving and roller burnishing tool is advanced into one end of the work-piece and advanced through the cylindrical interior of the workpiece. The skiving section is located at the front of the skiving and roller burnishing tool, and the roller burnishing section comprises the rearward section of the tool. The skiving section of the tool has a knife holding portion which holds a skiving knife to skive the interior from a start diameter to a larger, finish diameter. The skiving section also has a plurality of cavities, forward of the knife holding section, which are disposed circumferentially around the skiving section of the tool. A plurality of probe centering location finders are located in the respective cavities.

Abstract: A cutting tool has a compressing segment for imparting a compressive force to produce a non-porous surface layer on a workpiece of porous material. The cutting tool also has a cutting segment to machine the non-porous surface layer for a desired surface finish. Furthermore, a method for machining a workpiece using such a cutting tool may be implemented to produce a non-porous surface layer on a workpiece of porous material and then to produce a desired surface finish.

Abstract: A method and a device for the precision turning of a workpiece made of a heat-treatable steel permits a dry hard precision turning of hardened workpiece surfaces without tempering. In order also to allow precision turning and hardening of unhardened workpiece surfaces which are simultaneous in terms of production time, use is made of the local temporary heating of the workpiece caused by machining. The workpiece surface is heated further locally by the action of a laser beam, in the region directly behind the cutter, up to the transformation temperature of the material to be machined via an optical fiber integrated in the tool. The surface is then self-quenched and, as a result, hardened close to the surface. At the same time, the surface temperature at the point of action of the laser beam can be recorded thermographically and, this actual temperature signal can be used to adjust the power of the laser beam so as to maintain the desired temperature.

Abstract: A machine for simultaneously milling and grinding a workpiece comprises milling and grinding wheels rotatable about respective first and second parallel axes, the second axis being offset radially with respect to the first axis. A single motor drives the milling and grinding wheels at different relative speeds. The grinding wheel is mounted to a hub which includes an axially flexible portion to enable the grinding surface to be axially adjusted. The milling wheel includes an array of milling cutters with a large gap formed between leading and trailing ones of the milling cutters to accommodate the offset grinding wheel. The radial spacing of the milling cutters from the axis of rotation of the milling wheel progressively increases from the leading milling cutter to the trailing milling cutter.

Abstract: A tip for a cutting tool which can apply a heavy residual stress in compression to a material to be cut. This tip has four cutting portions. Each of the cutting portions has first and second rake surfaces having first and second angles of negative values, respectively, relative to an upper surface of the tip. Absolute value of the first negative angle is smaller than that of the second negative angle. The second rake surface is located further from a center of the tip than is the first rake surface, and is also located behind the first rake surface relative to a cutting direction of the tip.

Abstract: A magnetic sheet polishing device including a scraper having a sliding surface and a downstream side surface that is nearly perpendicular or at an acute angle to the sliding surface to ensure that magnetic material powder spontaneously falls away from and does not adhere again to the magnetic material surface of the magnetic sheet after being scraped off by the scraper. Additionally, the scraper has a diagonal groove or a diagonal step formed in a side surface to check for wear of the sliding surface.

Abstract: There is disclosed a rotary cutting tool having a cutter body and at least one pair of end and peripheral cutting edges provided on the cutter body. A covering of a generally cylindrical shape is disposed rotatably relative to the cutter body so as to surround the circumferential surface of a forward end portion of the cutter body to define a chip disposal space therebetween. A guide member is secured to the forward end portion of the cutter body for guiding chips produced during a cutting operation to the chip disposal space. Furthermore, a chip disposal pipe is connected to the covering for removing the chips in the chip disposal space.

Abstract: A bit (12) has a triangular drill portion (14), a frustoconical grinder portion (24), and a cylindrical reamer portion (28). The drill portion (14) has three longitudinal cutting edges (16) that define the angles of its triangular cross section. The grinder portion (24) extends axially inwardly from the drill portion (14) and has a minimum diameter less than and a maximum diameter greater than the maximum diameter of the drill portion (14). The reamer portion (28) is an axial continuation of the grinder portion (24). The outer surfaces of the grinder and reamer portions (24, 28) are plated with diamond grit (30) to enlarge and finish a hole produced by the drill portion (14). The relative diameters allow the grinder portion (24) to gradually engage the sidewall of a hole. The bit (12) is supported and centered in the hole by three point contact between the cutting edges (16) and the hole sidewall.

Abstract: A magnetic sheet polishing device including a scraper having a sliding surface and a downstream side surface that is nearly perpendicular or at an acute angle to the sliding surface to ensure that magnetic material powder spontaneously falls away from and does not adhere again to the magnetic material surface of the magnetic sheet after being scraped off by the scraper. Additionally, the scraper has a diagonal groove or a diagonal step formed in a side surface to check for wear of the sliding surface.

Abstract: An electrode tip dresser which is comprised of a pair of interlocking cutter blades. A rotatable holder is provided for assisting in securing the blades to each other. A clamping mechanism is provided to releasably secure both the blades and the rotatable holder in such a manner that they may be driven by a power source. The blades, when interlocked, expose two cutting and two burnishing edges on each side of the holder and blade assembly. The clamping mechanism is designed to lock the holder and blade assembly in place for rotation by employing a locking cam clamp which is engaged when a toggle is overthrown.

Abstract: The invention is a honeycomb core cutting tool wherein a primary cutter is used to cut the core to shape and secondary cutters are used to immediately shred that portion of the core being removed. The primary cutter is typically a commercially available circular saw blade modified by the machining of a plurality of peripherally located, radially inward directed slots dividing the primary cutter into segments which can be formed into a concave shape. A retainer threadably engages the end of the shaft and is used to force the primary cutter against a concave surface of a flange mounted to the shank of the tool, causing the primary cutter to deform into the concave shape. Mounted behind the flange and primary cutter are two "slot" cutters for shredding the portion of the core being removed.

Abstract: A combination tool mounted at a work station on the turret of a CNC lathe includes a cut-off tool having a tool holder body supporting a carbide cutter insert at its forward end. A bar puller mounted on the tool holder body has a pair of vertically spaced apart and forwardly extending spring fingers which carry opposing adjustable bar gripping jaws. The jaws receive and grip the free end portion of an associated bar therebetween upon further movement of the combination tool toward the bar after the cut-off tool has completed a cut-off operation on the bar.

Abstract: The bit (1, 101, 201) includes a pointed tapered drill portion (10, 110, 210) with cutting edges (14, 114, 214), an abrasive frustoconical grinder portion (20, 120, 220), and an abrasive cylindrical reamer portion (30, 130, 230). The drill portion (10, 110, 210) produces a hole. The grinder portion (20, 120, 220) grinds and enlarges the hole. The reamer portion (30, 130, 230) finishes the hole. The drill portion (10, 110, 210) is carried by a shaft (12, 112, 212) that is received into an axial opening (40, 140, 240) through the grinder and reamer portions (20, 30, 120, 130, 220, 230). The drill portion (10) and grinder portion (20) may form a substantially continuous taper. In another embodiment, the drill portion (110) has an arrowhead configuration. In another embodiment, a radial slot (224) extends through the grinder portion (220), and the drill portion (210) extends axially and radially from the slot (224).

Abstract: This combination tool (10) includes a body (12) attachable to a drill press (16) by means of a shaft (14). The body includes an end face (34) for attachment of an abrasive finishing disc (36) and provides a mounting for cutter inserts (40). Each cutter insert includes a horizontal cutting edge (46') and a vertical cutting edge (48'). The cutter inserts (40) are generally rectangular and are mounted to vertical abutment bearing faces (52) on the body, utilizing a single fastener (56).

Abstract: A cutting device for cutting thin-walled honeycomb profiles of metal or plastics for airplane technology includes a cutter which has sharply ground saw-shaped teeth at its periphery; the steep flanks of individual teeth extend opposite to the direction of rotation of the cutter.

Abstract: A boring, skiving, and roller burnishing tool includes means for boring, skiving, and burnishing a cylindrical hole in a workpiece. The boring means comprises a plurality of cutting blades oriented at a particular angle to remove a relatively large amount of material from the hole. The roller burnishing means includes a roller race having a central axis and a frustoconical outer surface tapering radially outward and axially forward. Rollers are arranged about the outer surface of the race for rolling engagement with the internal surface of the hole. The smaller ends of the rollers face forward, and the taper of the rollers is such that the outermost surface portion of each roller is parallel to the central axis of the race. The rollers are biased in the forward direction using a roller pusher with a chosen force so that the force exerted on the internal surface of the hole remains constant over a range of sizes of the hole.

Abstract: A skiving and roller burnishing tool for finishing the internal surface of a cylindrical bore includes a cutting assembly and a pair of roller burnishing assemblies. Each roller assembly includes a plurality of frustoconical rollers mounted on a frustoconical bearing surface. By translating the individual rollers axially, the effective diameter of the outer surfaces of the roller can be changed. By applying a constant force on the rollers, the two roller assemblies hold the tool firmly in place inside the work piece, preventing accidental misalignment of the cutting tool. It has been found that this workpiece is particularly well suited for finishing relatively long bores.

Abstract: A skiving and roller burnishing tool includes a plurality of frustoconically tapered rollers and a retractable knife for use in combination for finishing the internal surface of a cylindrical hole. The roller burnishing tool includes a roller race having a central axis and a frustoconical outer surface tapering radially outward and axially forward. The rollers are arranged about the outer surface of the race for rolling engagement with the internal surface of the hole. The smaller ends of the rollers face forward, and the taper of the rollers is such that the outermost surface portion of each roller is parallel to the central axis of the race. The rollers are biased in the forward direction using a roller pusher with a chosen force so that the force exerted on the internal surface of the hole remains constant over a range of sizes of the hole. The retractable knife includes a pair of radially extendible knife holders defining a camming path having an axial portion and an angled portion.

Abstract: A skiving tool having a retractable knife for use in combination with a roller burnishing tool for finishing the internal surface of a cylindrical hole. The retractable knife includes a pair of radially extendible knife holders defining a camming path having an axial portion and an angled portion. A push dart has a camming element with complementary camming surfaces which rides along the camming path. Axial actuation of the push dart causes the knife holders to extend radially into a stable, locked position. The roller burnishing tool includes a roller race having a central axis and a frustoconical outer surface tapering radially outward and axially forward. A plurality of frustoconically tapered rollers are arranged about the outer surface for rolling engagement with the outer surface with the smaller ends of the rollers facing forward. The taper of the rollers is such that the outermost surface portion of each roller is parallel to the central axis.

Abstract: A skiving and roller burnishing tool for cutting and burnishing the interior of a cylinder or other workpiece is disclosed. The cutter assembly is mounted on a drive shaft which drives the cutter assembly through the interior of the cylinder to cut the interior of the cylinder to its approximate final diameter. A roller race is located aft of the cutter assembly, and has a frustoconical configuration in section which tapers outwardly in a forward direction. A plurality of rollers are distributed circumferentially about and bear on the roller race. The rollers are also frustoconical in section so that the outermost surface of each roller is parallel to the axis of the drive shaft. A roller cage engages the rollers and restricts movement of the rollers while allowing them to rotate about their axes and translate radially to a limited degree. The roller cage is movable in an axial direction relative to the drive shaft.

Abstract: A tool for bevelling and deburring gears comprising a deburring tool having profiled teeth which are straight with a taper decreasing from the periphery towards the center and a pair of deburring discs operatively connected to the toothed member.

Abstract: A reamer for fine reaming of ports containing a working portion with cutting blades in which, and a rear guiding portion in which at least three smoothing inserts are fitted the smoothing inserts, being inclined at a common auxiliary negative relief angle H' the value of which remains within the limits of 0.degree. 0' to 0.degree. 5'.

Abstract: A combined tool for precision boring and burnishing a tubular workpiece includes a bore head and a burnishing head which are advanced by a feed tube into the interior of the tubular workpiece while the latter is rotated about its axis. In order to reduce the stresses on the three above-mentioned elements and to avoid markings on the finished surface, two of the three elements are connected by a coupling, which while transmitting torque between the two connected elements, permits limited deviations of the axes thereof.