Abstract: In the invention, a brush body 30 that is rotated and driven by a motor 32 is disposed in a suction unit 2, and dust is sucked from the suction unit 2 by a blower 4, while exhaust of the blower 4 is sent to the suction unit 2 side through an exhaust passage 27. While the exhaust of the blower 4 is blown to the motor 32 exhaust is blown to the floor for lifting the dust from the floor to enhance the dust collection efficiency, and moreover, if the output of the motor 32 for driving the brush 30 is increased, temperature rise of the motor 32 can be suppressed, and thus durability may be enhanced.

Abstract: A carpet extractor (10) operable in either a restorative cleaning mode or a maintenance cleaning mode includes a constant rate pump (96) which dispenses clean solution through a manually operated valve (98) to one of two lines (100, 102) having nozzles which restrict dispensing to high and low solution flow rates. In the preferred form, clean solution is dispensed at the high flow rate directly upon the carpeted surface and at the low rate upon the agitating brush (88). When restorative cleaning is desired, the valve (98) is manually moved to dispense at the high flow rate and a switch (110) is also manually moved resulting in the chassis (18) being propelled at a slow working speed. When maintenance cleaning is desired, the valve (98) is manually moved to dispense at the low flow rate and the switch (110) is also manually moved resulting in the chassis (18) being propelled at a fast working speed.

Abstract: A hinge assembly includes a damping unit mounted on a securing seat that is connected to a door frame, a housing embedded in a door panel, and a hinge member and a positioning member interconnecting the securing seat and the housing. The damping unit includes a fluid cylinder and a piston rod having an actuating end pivoted to the positioning member. Due to the presence of the damping unit, movement of the door panel relative to the door frame can be damped.

Abstract: A cord tensioned by a spring supports the sash of a hung window in a stationary position while the sash is tilted for cleaning. The cord pulls a pulley attached to the spring which extends as the sash is further tilted. A tubing houses the spring and pulley and provides a stop that limits the maximum tilt of the sash.

Abstract: The invention provides an articulated joint having a device for movably coupling a first movement element to a second movement element. The device comprises a fastening unit, which comprises at least one first braking element connected to the first movement element and at least one second braking element connected to the second movement element, a force application element which applies a force to at least one of the first or second braking elements, and a mechanical switching unit capable of taking up a coupling state and at least one separating state. The mechanical switching unit switches over from the coupling state into a separating state when the movement elements move relative to one another, and the mechanical switching unit deactivates the force applied by the force application element to at least one of the first or second braking elements when the mechanical switching unit is in the separating state.

Abstract: A hinge apparatus to open and to close an upper member such as an automatic document feeder or an upper cover used in an office machine has an upper hinge fixed on the upper member, a lower hinge fixed at a main body of the office machine, a hinge shaft to rotatably support the upper and lower hinges with respect to each other, and a position-fixing member to fix the upper member in at least one position opened at a predetermined angle by restraining the upper and lower hinges from rotating with respect to each other when the upper member is opened. The position fixing member has a first fixing part to restrain the rotation of the upper and lower hinges from a direction perpendicular to an axis of the hinge shaft and a second fixing part to restrain the rotation of the upper and lower hinges from an axis direction of the hinge shaft.

Abstract: A recessed hinge is disclosed that allows a door to open to an angle greater than 90 degrees. The hinge has a hinge pin with two free ends so that the hinge is also fully reversible, for use either on the right hand or left of an enclosure. The hinge also provides for simplified horizontal adjustment by having oval mounting holes for attaching the hinge to the enclosure, and the hinge provides for vertical adjustment by disposing one or more washers on the free end of the hinge pin. Vertical adjustment of the door as well as door removal may be accomplished without tools.

Abstract: A handle (11) for a vessel (9) is described which has an elongate grip portion (12) and at least one extension (13) therefrom for attachment of the handle (11) to the vessel (9). The elongate grip portion (12) has running along its length and facing away from the extension(s) on one side a convex surface (15) and the other side a concave surface (16). Preferably the concave and concave surfaces (15, 16) are matched in cross-section.

Abstract: A handle for a tool. The handle includes a bow-shaped handle end section, a straight middle section, and a fixing end section for attaching the tool. In the handle a S-bow-shaped handle section is arranged between the straight middle section and the fixing end section. The S-bow-shaped handle section is provided with a first, straight handle area connected to the middle section by a first, bent section, and a second, straight handle area connected to the first, straight handle area by a second, bent section. The fixing end section is connected to the second handle area.

Abstract: A pot holder (10) having a plurality of radially projecting lines of stitching (30-36) that form a number of creases that permit a user to fold the pot holder (10) in substantially any direction.

Abstract: A handle for a mattress, box spring or other bedding structure is formed of an elongate textile web having a lengthwise-extending relatively stiffer main body and relatively softer lengthwise-extending cushioning edges along opposite sides of the main body. The main body preferably comprises two face-abutting layers of the textile web with the cushioning edges connecting the two layers at each opposite side of the main body. The textile web may be of a crochet-type warp-knitted fabric comprised of interknitted warp and filling yarns.

Abstract: A tying system that quickly and easily secures together ends of ropes, straps or cords is provided. The tying system has a base member and two holding members attached to different sides of the base member by first and second hinges. The tying system has opposing retention surfaces positioned on the base or holding members so that when the holding members are folded back onto each other as permitted by the hinges, two retention regions are created that tightly grip and hold the rope, strap or cord in place. The tying system is adaptable for many different sizes and dimensions of ropes, straps or cords and may be designed to grip and hold permanently or releasably.

Abstract: A structure of an adjusting buckle for a shoulder strap includes an integrally formed adjusting buckle body and a press-release button, wherein the adjusting buckle body has two inner slots and two outer slots, the press-release button has a bottom formed with two protuberances configured and positioned to engaged the two outer slots, and the shoulder strap is made of silicone and passes through the two inner slots, whereby when the press-release button is engaged with the adjusting buckle body, the shoulder strap will be kept in a firm position.

Abstract: There is provided a mechanical fastener bundling strap comprising a bundling strap having a first face and a second face with a bar code readable through hook elements on a first face. The first face is formed by a thermoplastic hook strip material having a first face and a second face. The hook strip first face has an array of upstanding hook projections which form at least in part the first face of the bundling strap, the second face of the hook strip comprises a film which film is provided with a printed UPC code readable through the hook strip first face.

Abstract: A ratchet clip is comprised of first and second jaws hinged together at proximal ends. A serrated member is attached to the proximal end of the first jaw. Teeth on the serrated member are angled against the opening direction of the second jaw. An intermediate portion of a ratchet lever is hinged to the second jaw. An inner portion of the lever is engaged against the teeth on the serrated member, and an outer portion is positioned through a hole in the second jaw. A spring positioned between the proximal ends of the jaws bias the distal ends of the jaws away from each other. One end of the spring is arranged to bias the outer portion of the lever outward, and the inner portion against the serrated member. When the lever is depressed, its inner portion is disengaged from the serrated member to allow the jaws to open.

Abstract: A safety buckle assembly including a male member and a female member that interlockingly and releasably engages the male member. The buckle male member is disengaged from the female member by squeezing the side latches towards each other, to disengage the same from the side catches, while simultaneously pressing the push release button such that the central latch is disengaged from the central catch formed in the female member.

Abstract: A reusable coffin has a casket and a vault. The casket has a headwall, a footwall, a left and a right sidewall, a first and a second lid, and a bottom. The right sidewall, and first and second lids have hinges. The headwall and the footwall have a latching means to secure the right sidewall. The vault fits closely within the casket to form a reusable coffin. The vault has a headwall, a footwall, a left and a right sidewall, a first and a second lid with hinges, and a bottom. The vault displays a deceased person with dignity.

Abstract: A process and apparatus for manufacturing a microfiber structure for absorbing impact energy, sound energy and/or temperature, the structure being used in the ballistic field and in the sound and temperature isolation fields, wherein the method comprises to provide a plurality of threads consisting of microfibers, subjecting the threads to a pressurized air jet to open the threads by separating the microfibers into each thread and entangling the threads to form a mass of loosely-entangled microfibers, with the mass being confined the mass into a pack which may be appropriately compacted.

Abstract: A method of manufacturing a microactuator device includes a plurality of generally parallel thin flexible sheets bonded together in a predetermined pattern to form an array of unit cells. Preferably, each of the sheets has only a single electrode layer located on one side of the sheet. Pairs of such sheets are then bonded together at spaced bonding locations with the electrode layers facing one another. Several sets of such sheet pairs can then be bonded together to form a microactuator device.

Abstract: Electroportable apparatus for positioning nuts to be set and the setting of blind rivets whose shank ruptures includes a body of the eledtroportable type containing an electric motor, a mandrel, drive part to maintain and pull the head of the rivet and/or to pull, screw or unscrew the nut to be set, as well as a part for pre-regulating the path of the mandrel.

Abstract: A hinge pin remover tool comprising a housing block, an internal gear train for providing a high mechanical force advantage in a direction vertical and parallel with the housing block, front grooved face surface, to activate a vertical and horizontal movable pry head mechanism having a disc-beveled pry wedge, the jaw face end section adapted to be forced into a wedged interference contact position within the narrow gap space intersection that is formed between the front undershoulder of a hinge pin head and the hinge pin barrel enclosure top surface of a door hinge assembly. When the gear train is activated, the gear train forces the pry head mechanism to wedge the jaw face, disc-beveled pry wedge into the gap space intersection between the hinge pin front undershoulder and hinge pin barrel enclosure top surface to thereby push the hinge pin shaft vertically upward for subsequent removal from the hinge pin barrel housing enclosure.

Abstract: A pulling tool (1) of the type used on the end of a shaft (2) to remove a mechanical part (3) that is force-fitted or stuck to the shaft (2). The tool includes a threaded rod (20) and a body (5) to which legs (6) are hinged. A sleeve is designed to be mounted on the threaded rod (20) and to form a bearing member for a member (27) which inhibits rotation of the legs (6) during screwing of the threaded rod. Thus, the sleeve acts as a member for protecting the threaded rod (20) from the rotation-inhibiting member (27).

Abstract: A belt for use in a continuously variable transmission comprises an annular hoop of laminated metal elements each having a body and a head joined thereto with a pair of recesses defined therebetween, and a pair of rings inserted respectively in the recesses and each comprising a plurality of laminated metal web-shaped rings. The belt is manufactured by an element production line for producing the elements through a plurality of processes, a ring production line for producing the laminated rings through a plurality of processes parallel to the element production line, and a belt assembly line joined to the element production line and the ring production line, for bundling the elements with the laminated rings thereby to assemble the belt. The elements are inspected for a produced state thereof at a terminal end of the element production line and those elements which are judged as acceptable are sent to the belt assembly line.

Abstract: A method for fabricating muntin grid pieces includes steps that attach a pair of material strips to opposed edges of the muntin bar element. The material strips may be provided in side-by-side strips that may be separated an simultaneously applied to the opposite sides of the muntin bar element. The connection between the material strips and the muntin bar element may be made with an adhesive or a mechanical connection. The method allows the material strips to be connected to the muntin grid pieces before the muntin grid pieces are assembled into a muntin bar grid for a window.

Abstract: A large dimension hollow body such as a fuel tank is formed from cold deformable sheet metal by cutting a sheet metal blank of a conformation matching the hollow structure to be formed and which has a nonuniform cross section between its ends. The sheet metal blank is then formed into a three-dimensional shape closed at one end and subjected to hydrostatic forming, whereupon the other end is closed optionally after insertion of an object to be received in the tank such as a fuel pump. The welding of the edges of the blank together and the application of the caps can produce pressure-tight weld seams and can be effected by laser-beam welding or tungsten inert gas welding.

Abstract: The present invention provides a method for assembling heat sink fastening structure. Each of the components in the heat sink fastening structure is composed of elastic materials. The method includes the following steps: (A) first, forming a control lever and a relating lever in one-piece type, the control lever has an operating end, a positioning hole, two lock slots, a pressing ring, and a first gripping jaw; the relating lever has an operating end, a spring, two lock blocks, and a second gripping jaw; (B) second, pushing the two lock blocks up to two corresponding lock slots and making the spring sealed between the control lever and the relating lever; (C) finally, pushing the spring into the positioning hole and putting two lock blocks into two corresponding lock slots. Therefore, the heat sink fastening structure is assembled.

Abstract: A prestressed concrete fence post assembly, including 1) a main fence post body constructed of a high-strength, concrete grout material; 2) a prestressed high-strength steel tendon member positioned centrally and extended longitudinally of the main fence post body; and 3) a plurality of spaced, parallel concentric connector grooves used with wire tie members to secure fence wire strands against outer surfaces of the main fence post body. Forms, equipment, and method steps for economically casting prestressed concrete post assemblies, poles, towers, or the like. A fence post mold assembly consists of two mating fence post mold half sections, each having an inner plastic material liner to form the desired concrete product. Prestressing is accomplished by pretensioning a centrally located high-strength steel tendon member held at each end by anchor jaw assemblies. A hydraulic tensioning apparatus is connected to one of the anchor jaw assemblies and tension is applied to the tendon member.

Abstract: The present invention provides for an integrally weighted base suitable for attachment to a bottom surface of an enclosure to form an integrally weighted cabinet. The integrally weighted cabinet is able to satisfy load bearing and tip over standards without requiring the addition of separate weights. The base preferably includes a frame and fill material disposed within the frame. The frame may be metal or plastic. Fill material is poured into the frame and allowed to set. The fill material may be any suitable material having a density sufficient to act as a weight or counterbalance, such as, e.g., concrete, a concrete and fiber mixture, metal, or a concrete and metal mixture. The base may further include a plurality of openings to dissipate heat from within the interior space of the cabinet. In one implementation of the present invention, the base replaces a bottom panel of a typical PTV cabinet and further eliminates the need for attaching separate weights onto a bottom panel of a typical PTV cabinet.

Abstract: A method and apparatus for clinching metal sheets is disclosed. The apparatus includes a punch assembly for stamping indentations into stacked metal sheets and a die assembly for assisting in supporting the sheets during stamping of the indentations and for assisting in forming the indentations. The punch assembly, the die assembly or both in combination provide energy to at least a portion of the metal sheets prior to stamping. In turn, the energy elevates the temperature of the portion of the sheets such that the indentations can be more effectively formed in the portion and such that the sheets are fastened to each other with greater strength.

Abstract: A method for making a through opening in a high-pressure fuel reservoir that has an elongated, tubular jacket body, which body is provided in the longitudinal direction with a continuous recess, open on at least one end, that forms the interior of the high-pressure fuel reservoir, and the through opening is made in the jacket body in the form of a bore by a machining tool in such a way that this opening discharges into the continuous recess. In order to avoid burrs, before the through opening is made, a pressure part is pressed against the inner wall of the jacket body in the region of the expected outlet of the through opening, and with the machine an tool, drilling is done through the jacket body some distance into the pressure part.

Abstract: The present invention relates to a method of producing a surgical saw blade comprising a clamping portion and a working area provided with a toothing, wherein the clamping portion and the working area are produced by means of an etching method and the toothing is subsequently cut by means of a laser type cutting method.

Abstract: An alternator assembly 10 having a pair of housing members 11, 12 which cooperatively contain a stator 24, rotor 18, and bearing 29. The housing member 12 includes an integrally formed bearing sleeve member 40 which receives the bearing 29 and allows the rotor 18 to rotate within the assembly 10.

Abstract: A method of fabricating a rotor for an electric traction motor including the steps of forming cavities in the rotor, injecting magnetic material in a portion of the cavities, injecting nonmagnetic material in a portion of the cavities, and post-magnetizing the magnetic material.

Abstract: A method for manufacturing a motor assembly for an acoustic transducer is provided. The motor assembly includes a base member, a support member, a diaphragm and a backplate. The base member has a surface and a protrusion extending a distance from the surface. The support member has an opening therethrough, and the diaphragm is connected to the support member such that the diaphragm covers a portion of the opening of the support member. The support member is placed on the base member such that the support member contacts the surface of the base member, and the protrusion of the base member contacts the diaphragm. The backplate is placed on the diaphragm such that the backplate is supported by the protrusion. As part of the assembly, the backplate is secured to the support member. By having an assembly wherein the backplate does not contact the diaphragm, the capacitance of the assembly is reduced.

Abstract: A method for producing a flat commutator with a hub body formed from insulating molding compound, a plurality of conductor segments and an equally large number of carbon segments, the hub body being molded onto a conductor blank provided with radial grooves, which grooves are filled with molding compound. Then the composite part of conductor blank and hub body is machined on the end face of the conductor blank turned away from the hub body. An annular carbon disk is adhesively bonded to the machined end face of the composite part, whereby electrically conductive connections to the conductor blank or to the conductor segments produced therefrom are established. Finally the annular carbon disk is subdivided into carbon segments by cuts extending into the molding compound that fills the grooves. The conductor blank is then subdivided into conductor segments.

Abstract: By a method for constructing a superconducting multiphase cable comprising N phases, the phases are divided into n groups with N phases in each group, all the groups have a common screen. The individual groups may be geomtrically formed with coaxial or flat phases. The individual phases in each group may further be divided into individual conductors such as tapes. The insulation between the individual conductors in the groups may be separately insulated from each other or have a common insulation. In a particularly appropriate embodiment, the number of groups is 1 and implemented with a flat or concentric geometry. In this way, a compact superconducting power cable is provided, which is relatively inexpensive in production and has few working operations while maintaining good electrical properties.

Abstract: A load cell is constructed with several strain gauges. Each of the strain gauges are formed with a meandering conductive portion on a substrate or base member. Portions of the meandering conductive layer defines a predetermined tab ratio. The base member is formed with a predetermined amount of filler and the tab ratio is pre-determined such that the creep characteristic of the strain gauge is substantially zero in a load cell having a generally low rated load.

Abstract: A line of manufacturing units for carrying out a sequence of machining operations on a set of workpieces, which are fed in, in succession, at one loading end of the line and proceed along the line up to an unloading end of the line, comprises means for transfer of the workpieces along the line, the said means including a fixture made up of a plurality of horizontal supporting and guide beams, which are set in a superelevated position and which extend one on the prolongation of the other in the longitudinal direction of the line. Each superelevated beam carries a first mobile slide on top of it, upon which is in turn mounted a vertical upright (or a second mobile slide, which can move vertically), at the bottom end of which there is mounted a pick-up device, which can be oriented about a vertical axis.

Abstract: An apparatus for assembling a stator core having a plurality of radially disposed and radially movably jigs for holding the segmented cores. Vertically movable cams are provided vertically downwards on an upper vertically movable plate. By lowering the movably plate, the jigs are pushed radially inwards, thereby causing the plurality of segmented cores circumferentially to approach each other. The projection of each segmented core is fit by press fitting into the groove of the adjoining segmented core in the circumferential direction, thereby connecting the segmented cores together.

Abstract: A nozzle rotating apparatus of a module head of a surface mounting device is capable of correcting an error occurring when a nozzle picks an electronic component and places it on a printed circuit board. The nozzle rotating apparatus of a module head of a surface mounting device for picking up an electronic component and placing it at a predetermined position, includes: a head movable in a predetermined direction along an upper portion of a substrate and having at least one shaft; a driving means for driving the head; a nozzle mounted at a lower predetermined portion of the head to pick up and place the electronic component; pinions installed at the outer periphery of the shaft installed at a predetermined portion of the head; a rack engaged with the pinions; and a driving force transmitting means for moving the rack to a predetermined direction.

Abstract: An extraction device for removing a connector plug from a disc drive socket including first and second lever plates having a length extending between opposed first and second ends and a width extending between opposed sides and the first and second lever plates being pivotally connected between the first and second ends to form lever handles and lever arms. The lever arms include opposed fingers spaced along the width of the lever plates between opposed sides. The lever arms include a slot between fingers, a width of which is sized to enclose a length of the connector plug. A spring biases the lever arms of the first and second lever plates towards one another and the lever plates being movable against a spring bias to open the lever arms to remove a connector plug. A method for removing a connector from a disc drive socket including aligning an extraction device with the connector plug and operating the device to remove the connector plug.

Abstract: The present invention relates to a cotter-mounting apparatus that, by engaging a pair of cotters with engagement grooves provided on the outer circumferential surface of an axial member, mounts the pair of cotters that fix a retainer for holding a spring to exert a pressing force to the axial member in a compressed state, wherein the cotter-mounting apparatus includes a retainer holding mechanism that holds a retainer having a pair of cotters incorporated, and is driven to be relatively elevated and lowered on the upper side in the axial line direction of the axial member; a cotter separating mechanism for separating the pair of cotters from each other over the outer diameter of the axial member roughly in the horizontal direction while pushing up the pair of cotters from downward and for holding the pair of cotters; and a cotter pressing mechanism for pressing the pair of cotters separated by the cotter separating mechanism from the outside roughly in the horizontal direction and causing the cotters to be en

Abstract: A support assembly for mounting a semiconductor device vertically relative to a carrier substrate is disclosed. The support assembly includes an interposer to which the semiconductor device is attached. The support assembly also includes traces carried on the interposer, which electronically connect the semiconductor device to contacts on the interposer. The contacts are disposed along a single edge of the interposer. The invention also includes an alignment device for releaseably mounting the support assembly. The alignment device, which mounts to a carrier substrate, includes one or more receptacles. As a support assembly is inserted into a receptacle, the alignment device establishes an electrical connection between the contacts and corresponding terminals on the carrier substrate. The assembly may also include a cover that attaches to the top of the alignment device and biases the interposer against the carrier substrate.

Abstract: An electronic parts replacing apparatus comprises: a holder for holding a piece of electronic parts to be replaced; a head detachably provided to the holder; and a guide bar for guiding the head to move close to or away from a circuit board. After holding the piece of electronic parts to be replaced on the circuit board by the holder and then integrating the head to the holder, the piece of electronic parts to be replaced are removed by moving the holder to a direction away from the circuit board. After removing the piece of electronic parts to be replaced from the holder and then holding a new piece of replacing electronic parts, the piece of replacing electronic parts are mounted on the circuit board by moving the head close to the circuit board.

Abstract: A method of making a circuit board (10) on which surface electronic components (15) are mounted during the method using a solder reflow process. The board comprises a circuit portion (12), a surrounding circumferential portion (13) and at least one elongated opening (14) formed in the surrounding circumferential portion substantially parallel to the direction that the board travels during the reflow direction (16), thereby preventing electronic component soldering failures that may occur as a result of the deflection of the circuit board during the reflow process.

Abstract: A method of making a package includes providing a metal leadframe having a die pad in a rectangular frame. Tabs extend from the frame toward the die pad. The die pad and tabs have side surfaces with reentrant portions and asperities. A die is attached to the die pad. The die is electrically connected to the tabs. An encapsulant is applied to the upper and side surfaces of the leadframe. Finally, the leadframe is cut in situ so that the die pad and tabs are severed from the frame, the sides of the package are formed, and the package is severed from the leadframe.

Abstract: A method of forming a printed circuit board comprising a plurality of conductive bumps with substantially coplanar upper surfaces. The method comprises the steps of applying a metal layer onto a dielectric substrate; applying a first photoresist onto said substrate and exposing and developing said first photoresist to define a pattern of conductive bumps; etching the metal layer exposed by said development to form said plurality of conductive bumps; removing said first photoresist; applying a second photoresist onto the metal layer; exposing and developing said second photoresist to define a pattern of conductive bumps and circuit lines; etching the metal layer exposed by said development to form a pattern of circuit lines in said metal layer; and removing said second photoresist. The present invention is also provides a method for preparing a reinforced panel.

Abstract: A cable management system comprising a cable flex radius system having at least two opposing curved surfaces to control flex radius of a cable linking a stationary system to a dynamic system is disclosed. The cable management system also comprises a cable strain relief system comprising a cable clamp located on each of the at least two opposing curved surfaces. The system simultaneously provides position biasing of a driven rotating mechanism referenced to a fixed system as well as mechanism backlash control. The system insures consistent cable bend radius and slack management required to insure flex cable cycle life. In one embodiment, the cable management system is comprised of a torsion arm and a spool. In this embodiment, the torsion arm pivots during rotation of the spool. A spring connected to the torsion arm provides the requisite tension force to a cable that links the spool and the torsion arm.

Abstract: Methods are disclosed for fabricating spring structures in which a passive, conductive coating is deposited onto the spring structure before release. A release layer is deposited on a substrate and then a spring metal layer is formed thereon. A first mask is used to form a spring metal finger from these layers. A second mask defines a window exposing a tip of the finger. The release layer under the tip is etched through the window, and then a passive-conductive coating material (which may also have spring characteristics) is deposited on the tip. The second mask and residual coating material are then lifted off, and a third (release) mask is formed that is used to release a free end of the spring metal finger. The release mask is then stripped. When the passive-conductive coating includes spring characteristics, the stress variations of the coating help to lift the free end if the finger during release.

Abstract: A method and apparatus for machining workpieces with rotationally symmetrical surfaces, for example crankshafts, by which the setting and idle times are minimised, transposition of the workpiece to another machine is avoided, and both large batch sizes and also small numbers of items are economically machined. Machining of the workpiece is effected both by a method in which the machining speed is produced primarily by the rotation of the workpiece, and also by a method in which the machining speed is achieved primarily by the rotation of the tool.