Abstract: A workbench is provided that can be used as a conventional table (for the dining room, for card games, etc,.) and also provides the features of a carpentry and mechanics workbench. The workbench can be used in conjunction with an electric drill to provide the services of a sander, router, bench drill wood lathe, and bench saw.

Abstract: A machine tool comprises a base with an upstanding column, a vertical spindle axis tool driving unit symmetrically located and vertically movable on the front of the column, a frontwards oriented horizontal spindle axis tool driving unit symmetrically located and vertically movable extending through the column, and a pair of guiding rails to extend vertically thereon and horizontally spaced apart from each other for guiding the upward and downward movement of the tool driving units. Symmetrically disposed counterbalance weights for both tool driving units are located within the column. Independent leadscrew driving means provide vertical upward and downward movement of the tool driving units.

Abstract: Tool assembly for riveting parts, comprising: a first and a second frame (2, 5) capable of being mounted on a shaped structure "C" or on separate robot arms (60, 61); a pair of sheet-holding devices (3, 6) each mounted on one of the frames and at least one of each is provided with a device (11) for displacing it relative to the corresponding chassis with a force corresponding to the clamping provided for holding the parts to be riveted during drilling; at least one drill (20, 21) mounted on a frame, a device (41) for placing a rivet (40) in a hole drilled by the drill, this device being carried by a frame; a percussion riveting hammer (51) carried by a frame and an associated counter-piece (54) carried by the other frame, integral with a reaction dolly (52). The elements carried by each frame are all capable of being displaced between an active position and a rest position.

Abstract: A drive apparatus for a simultaneous operation machine includes a plurality of pulleys and drive belts in a unique orientation to simultaneously drive a plurality of spindles. A first outer spindle is driven about a first axis of rotation to perform a first operation such as machining. An inner spindle is disposed within the outer spindle and is driven about a second axis which is offset from and parallel to the first axis to simultaneously perform a second operation, such as grinding. Additionally, the drive apparatus is capable of rotating the second spindle about the second axis while orbiting about the first axis, and simultaneously rotating of the first spindle about the first axis. Preferably, a single motor is provided for driving both of the outer and inner spindles.

Abstract: The boring machine according to the present invention , that may be applied onto the piece to be bored and suitable for performing welding surfacing on the same point to be bored, inside or outside, with working performed in automatic or semi-automatic, comprises:a tubular box inside which a shaft may be inserted, guided by an engine bushing that allows the rotation and the longitudinal moving of a tool head-carrying shaft,a manual supporting handle for transport;three motoreducers, fed with direct current and installed inside said bonnet;three engines, for the rotation of the head-carrying tool shaft, for the forward and backward advancement of the head-carrying tool shaft in the boring phase, and for the welding surfacing distribution phase of eventual pieces to be re-treated, allowing the rotation of the torch by continuous wire welding at very low revolutions that may be electronically varied;a screw placed on the tool-carrying head, for the manual advancement of the tool;a device for the rotating connect

Abstract: Multiple operator station (1) for machine tools designed in particular for chip removal along several axes, comprises several operator units (3,4,5) suitable for coupling with a tool or a workpiece, these operator units (3,4,5) being fitted on a bearing structure (2) that is curved in shape with the concave part facing downwards, and positioned in such a way that below the zone (6) in which the part is positioned during machining, there are no functional parts of the machine subject to movement of one part in relation to another.

Abstract: The miller comprises a pair of benches situated on both sides of a framework, in such a manner that on the upper crossbar is mounted, displaceable and guidable, a transverse support that carries a couple of vertical arms on which are mounted the corresponding tools, the arms being dispaceable towards one side or the other with respect to the support, while the tool that is borne by each of the arms may move upward/downward, as well as rotate, in such a manner that a combination of these movements produced by their corresponding motors allows simultaniously making two pieces that are symmetrical or the same, as well as effect simultanious digitalized work with one arm and milling with the other, after having mounted the corresponding tool on one arm and a digitalizer on the other.

Abstract: A long length product is conveyed by a conveyor to a propulsion mechanism into contact therewith. The product is gripped by a first conveyor line vise and cut at its tailing end side into a specified dimension. The product is advanced by the propulsion mechanism against the conveying force of the conveyor and then gripped by the first conveyor line vise and machined. A series of these operations are iterated. Finally, the product is advanced to a second conveyor line side, where it is gripped by a second conveyor line vise and subjected to final machining with the propulsion mechanism retreated. Instead of using a process of cutting to cut the leading end side of the product to a specified dimension, the leading end side of the product may be put into contact with the stopper and fed by referencing the leading end of the product.

Abstract: In accordance with the teachings of the present invention, a machine tool assembly is easily reconfigurable to perform single or multiple machining processes on a workpiece so that this machine has exactly the functionality required to perform a given set of machining tasks. The invention allows rapid changes in the machine structure and rapid conversion of the machine by relocating its basic building blocks. The assembly secures a raw workpiece to a table and includes support units that carry at least one single-axis spindle unit. The spindle units are easily attached to one of the support units and are easily movable thereon to perform machining processes from various positions and orientations relative the workpiece. A cutting tool, or other machining tool, is secured to each spindle, which is computer controlled to rotate the tool and stroke it linearly along its axis of rotation. The support units are reconfigurable and can be easily relocated to different positions and orientations about the workpiece.

Abstract: A numerical controlled router is enclosed by a housing mounted on a support structure wherein the housing has an opening formed in front of a router head structure. Bearings are provided outside of the housing.A rotatable shaft is rotatably supported by the bearings and two suction tables are attached to the rotary shaft and the table can be inclined by rotary cylinders.

Abstract: A high throughput drilling system for printed circuit board hole formation. Two spindles are disposed at each spindle station, doubling the number of holes produced in a given time period. Each spindle in connected to an overhead linear drive by a mini slide. A first set of the spindles, one for each spindle station, is driven by a first X axis linear drive. A second set is driven by a second X axis linear drive. The work piece table is elongated to support work pieces for all stations, and is supported by a set of bearing guides, with outrigger bearings coupled to the table by flexure mounts that relieve stress due to differential temperature expansion rates between the work piece table and the base table. High speed spindles are employed to obtain higher productivity, with larger holes routed by router tools, eliminating the need for stocking large drill sizes on the system tool changer.

Abstract: A glass plate automatic drilling and milling machine, adapted to provide for holes and/or openings having different size, configuration and positioning, comprises a support structure provided with rotating rollers (23, 24) for the sliding of the plates disposed on vertical or slightly inclined direction thereon, as well as comprising a grasping pliers (25) for grasping each plate and transferring it toward a drilling and milling unit (13) with fixed installation, which in turn is provided with two carriages (15, 16) identical and opposite symmetrically to each other. Each carriage is provided with spindles (29, 30, 31, 32) for supporting drills and milling cutters having different size, of which the spindles of each carriage operate alternatively in opposition to each other. At the end of machinings, the plates in case are passed through a glass-cleaning machine (20) for being cleaned and subsequently packed.

Abstract: The disclosed press processing method and device can chamfer work, for instance by pressing a chamfering tool against the work at a predetermined contact pressure, without detecting the pressing force of the chamfering tool against the work or without feedbacking the detected pressing force to a robot controller. The press processing device used being mounted on automatic mechanical processing means such a multi-joint robot, comprises: a processing section (e.g., grinder) (11) held by a support body (12) in such a way that pressure caused by a dead load of the processing section is not applied to a processing portion (e.g. blade) (11d) of the processing section (11); a constant torque applying section (e.g., servomotor) (16) for pivoting the processing section in a predetermined direction at a constant torque; and a mounting member (20) for mounting the constant torque applying section to a robot arm (R).

Abstract: A vehicle wheel having a hand hole extending from a first surface to a second surface. The hand hole has a zone of a minimum dimension intermediate the first surface and the second surface. The hand hole is preferably tapered from the first surface to the minimum dimension zone and tapered from the second surface to the minimum dimension zone. Associated methods of making the vehicle wheel are also provided.

Abstract: A method and apparatus are provided for cutting through flat stock with at least one cutting tool, such as a torch, drill, or the like. The stock is supported in a plane defined by X and Y axes of a mutually orthogonal X, Y, and Z-axis coordinate system. The stock is supported for movement along the X-axis. At least one tool is supported over the flat stock for movement along the Z-axis and for movement along the Y-axis. The stock is moved along the X-axis. The tool is moved along the Y-axis. The tool is moved along the Z-axis toward the stock and is operated to cut the stock. If the tool is a cutting torch, the stock may be moved along the X-axis, and/or the cutting torch may be moved along the Y-axis, to define a desired cutting path.

Abstract: A crankshaft is mounted in a fixture which rotates the crankshaft about its longitudinal axis and which tilts the crankshaft about a horizontal axis to allow machining of holes such as oil holes at various rotational positions and at various tilt angles to the longitudinal axis. Preferably, a cutting tool moves along a horizontal plunging axis Z to machine the depth of the hole and moves along a horizontal X axis to machine holes on or offset from the longitudinal axis. The cutting tool may also be shifted vertically along a Y-axis. Preferably, a pair of crankshafts are mounted side-by-side in the fixture to machine two crankshafts simultaneously. The fixture is mounted for tilting by trunnions. The pair of crankshafts are spun about the longitudinal axes by a motor carried on the tiltable fixture. An automatic tool changer and loading apparatus store cutting tools and associated guide bushings for the cutting tools.

Abstract: A blade assembly for a shredding machine is presented which can be used in the method for replacing broken blades and when rebuilding the blade seat. The method includes milling the base support to reduce its height and redrilling the blade bolt holes. A new independent blade seat is then affixed by double-threaded bushings after which a new blade can then be bolted atop the blade seat.

Abstract: Apparatus for the working of an elongated body, in particular a profile of a fan blade, comprising the following parts, linked to each other:(a) a feeding device of a rod of an extruded material, from which the elongated body is obtained;(b) a first blocking device of the rod;(c) a second blocking device of the elongated body;(d) a mobile trolley able to slide along sliding trails;(e) a first cutting device integral with the mobile trolley;(f) at least one drilling device;(g) a second cutting device to cut the elongated body from the rod;(h) and a shaping device integral with the mobile trolley.

Abstract: The yoke assembly is C-shaped, comprising two downwardly depending leg portions and an intermediate portion. Each leg of the yoke is supported for movement of the yoke in an X coordinate direction and a Y coordinate direction. The yoke is further supported about two spaced two-axis pivot point assemblies such that the yoke can move rotationally about the Y axis and about the X axis. The pivot points and the tool point for the tools on the yoke used to accomplish the assembly operations remain in registry during movement of the yoke member.

Abstract: A machine tool more particularly for drilling and milling, possesses a machine bed, on which a power driven longitudinal slide is adapted to run horizontally on rails. A machining head having a rotary drive device for at least one table forming part of said head, is power moved on the longitudinal slide in at least one further direction movement. The machine bed possesses two spaced lateral walls, on which the longitudinal slide is at least partly guided and whose intermediate space is designed in the form of a machining zone. On each of the two lateral walls a fastening point is provided for at least one pivoting work holding device, the two fastening points being aligned in a horizontal line, which defines a pivot axis, athwart the longitudinal direction of the guide rails. In such an arrangement the work holding means is readily accessible and is easy to service and furthermore may be simply replaced.

Abstract: A woodworking center comprising a horizontal frame supporting a work table assembly at a level comfortable for the operator. For most woodworking operations the workpiece is supported by the work table assembly. The work table assembly can be moved horizontally and with precision between the front and rear of the horizontal frame by an acme screw mechanism and can be locked in any desired position. The woodworking center also includes a head in the form of a carriage and a tool slide assembly mounted thereon. The carriage is located above the work table assembly and is shiftable in a horizontal direction from side to side of the horizontal frame. The carriage may be shifted by hand, or with precision by an acme screw assembly. The carriage is lockable in any desired position along its path of travel. The tool slide assembly is capable of mounting a large variety of portable power hand tools.

Abstract: A hobbing accessory is disclosed for a vertical milling machine of a type comprising a column, a knee mounted to the column so as to be vertically positionable with respect to the column, a saddle mounted to the knee so as to be horizontally positionable with respect to the knee, toward and away from the column, a table mounted to the saddle so as to be horizontally positionable with respect to the saddle, in opposite directions across the column, a head projecting from the column, an arbor mounted operatively to the head and rotatable about a generally vertical axis, and a motor for rotating the arbor about the generally vertical axis.

Abstract: A machine tool more particularly for drilling and milling, possesses a machine bed, on which a power driven longitudinal slide is adapted to run horizontally on rails. A machining head having a rotary drive device for at least one table forming part of said head, is power moved on the longitudinal slide in at least one further direction of movement. The machine bed possesses two spaced lateral walls, whose intermediate space is designed to serve as a machining zone for receiving at least one work holding means. On the two lateral walls two parallel guide rails are arranged for the longitudinal slide, a third guide rail being arranged with an offset in the longitudinal direction between the two other guide rails. The longitudinal slide is guided using three guide elements on the three guide rails, the power drive being at or adjacent to the central guide rail. On this arrangement a clamping yoke of relatively light design may be employed, which only requires one central drive.

Abstract: A slide assembly for a machine tool generally consisting of a first member having at least one guide slot disposed parallel to a given line of travel, provided with at least one wall portion, a second member disposed in a predetermined spatial relation relative to the first member, having a portion thereof protruding into the guide slot, spaced from the slot wall portion and displaceable along the guide slot when the members are disposed in the predetermined spatial relation, detachable means for fastening the members together in the predetermined spatial relation relative to each other, and a structural polymer disposed in the guide slot adhesively secured to one of the protruding portion of the second member and the slot wall of the first member, and slidably engageable with the other of the protruding portion of the second member and slot wall portion of the first member, providing a guideway for one of such members relative to the other whereby upon applying the fastening means and thereby positioning the

Abstract: An apparatus (30) and method for forming an obliquely oriented counterbore (17) in a surface (15) of a workpiece (13) and a fastener receiving passage (19) proximate an edge (32) of the workpiece (13). The apparatus (30) includes a support frame (33), and a router assembly (34). The router assembly (34) is mounted for arcuate movement between a stored position, out of contact with the workpiece (13), and a routing position where a router bit (36) contacts the workpiece (13) to cut a tapering recess (1.7). A drill assembly (39) is movably mounted to the frame (33) for linear movement between a recessed position, out of contact with the workpiece (13), and a drilling position. In the drilling position, a drill bit (41) engages the workpiece (13) in a direction generally opposing the router bit (36) to drill the passage (19).

Abstract: A machining head presenting a hollow body in turn presenting a first crosspiece with a seat for supporting in sliding manner a motor-driven tool spindle. The body also presents a second crosspiece fitted with means for axially displacing the spindle which may be of different lengths and is driven by an electric motor via a screw-nut screw pair located between the second crosspiece and a third crosspiece connected removably to the spindle. The second crosspiece presents an end portion pivoting by means of a pin on an appendix of the hollow body, and is fitted to the body by means of a pair of locating pins and a pair of screws. By disconnecting the third crosspiece from the spindle and rotating the second crosspiece about the pin, the spindle may be changed without removing the machining head from the machine. The locating pins are removed from their respective seats by means of a key in the form of a screw and normally housed in a seat on the crosspiece.

Abstract: A variable speed direct drive drill press/router is disclosed. The drill press/router includes a housing supported above a horizontal bed which contains a generally vertically extending spindle that is rotatably mounted within and partially extends below the housing. A manually engageable or motor driven driver axially moves the spindle predetermined distances toward and away from the horizontal bed. For driving the spindle, a switched reluctance motor is mounted at the upper end of the housing for rotary driving engagement at a desired range of predetermined speeds throughout the entire range of axial movement of the spindle. The lower end of the spindle is capable of interchangeably receiving a workpiece rotating tool such as a drill or router for drilling or routing a workpiece.

Abstract: A multiuse craftsman table comprising a tool table and a plurality of specific tool accessories to perform a variety of operations on wood work pieces according to known machining operations. Each specific tool accessory can be assembled, one at a time, to the tool table to perform its respective operation on one of the work pieces.

Abstract: A machine tool for continuously working the surface and the back of a workpiece, comprising a chuck base which is supported so that it is able to approach to or move away from the workpiece, on which a tool spindle for holding a cutting tool and a chuck for holding the workpiece are mounted, and which is able to rotate about the rotation axis perpendicular to the tool-spindle moving direction and a reversing mechanism which is arranged at the front in the direction perpendicular to the spindle moving direction and the chuck-base rotation axis, receives a workpiece, reverses the workpiece, returns the reversed workpiece to the chuck, and changes the portions of the workpiece facing a cutting tool.

Abstract: The present invention is for a means for working of elongated objects. These objects can be profiles of wood, plastics or metal, e.g. extruded aluminium profiles. A means comprises sections for feeding in (1) profiles, working (2) and feeding out (4) the worked profiles. Additionally there may be between the working section and the feeding out section a device (3) for cutting of worked profiles to correct length. The means also comprises arrangements for linear movement of the profile through the different sections. A work station position within a working section comprises a frame or similar device which in itself comprises several, preferably four, working units, whereby each working unit may carry one or more working tools (22), e.g. cutting mill or drill, which during the working stages can move with at least three degrees of freedom.

Abstract: A machine for positioning clips in channel-shaped airplane fuselage stringers, and drilling holes in the stringers and clips, includes an elongated beam support having a box beam supported on five floor engaging legs and supporting a carriage assembly positioned on said beam and supported on bearings traveling along rails on the beam for longitudinal movement therealong. A motive mechanism, including a servomotor in the carriage and driving a pinion engaged with a rack fastened to the beam moves carriage longitudinally along the beam. An index mechanism including a fixed end stop at a known position indexes a stringer on the beam at a fixed reference position thereon. The stringer is centered under a drill by a centering mechanism mounted on the carriage, and a drill system drills a series of vertical holes along the channel floor of the stringer at locations specified in a digital product definition of said part.

Abstract: A drilling machine for drilling securing holes for furniture fittings, for example hinges, includes a drive motor which drives drills by way of a multispindle drilling head with a drill gearing and a plurality of drilling spindles. A stop rule with adjustable stop blocks and a feed device for the feed drill are provided, as well as a press-in die for mounting the furniture fittings on a furniture part. The drilling machine is equipped with a set of replaceable multispindle drilling heads and a set of replaceable stop rules which can be exchangeably fixed to the drilling machine by quick-action clamping devices which can be operated without the use of a tool.

Abstract: A device and method for removing a branch fitting from a tapped hole in a main water distribution pipeline under pressure includes a water-tight housing adapted to fit on to the pipeline over the fitting. A cutter is provided within the housing to sever the fitting and other devices include a tool holder for use in removing a part of the fitting left in place after severing. Thus, the fitment can be removed and replaced without closing off the water supply within the main distribution pipeline.

Abstract: A bicycle downtube processing machine includes a drill unit for drilling holes on a downtube for a bicycle frame, first cutting unit for cutting the right end of the downtube by punching, a second cutting unit for cutting a downwards bevel edge on the left end of the downtube by punching, a third cutting unit for cutting an inwardly curved top edge on the left end of the downtube by punching, a first locating unit for moving the downtube to the processing position for processing, a second locating unit for holding down the downtube in the processing position, and a control circuit for controlling the operation of the aforesaid units.

Abstract: A pocket joint cutter system for forming a pocket cut and fastener bore into a workpiece. The pocket cut and fastener bore receives a fastener such as a self-tapping screw which passes through the bore and into a second workpiece for forming a Joint between the two workpieces. The head of the fastener is held within the pocket cut in order to secure the joint. In one preferred form of the present invention, a workpiece system secures the workpiece in a predetermined position and forms the pocket cut and fastener bore into the workpiece. This preferred embodiment further comprises a bench-mounting system coupled to the workpiece system for securing the system to a bench. Using this embodiment of the present invention, the system can be mounted to a bench, and the workpiece can be brought to the system and held in position while the user forms the pocket cut and fastener bore.

Abstract: A boring apparatus provided with feed and discharge roller conveyors for drilling holes in heavy steel structural shapes can be constructed so that at least one boring unit is transformable into a milling unit, the computer being programmed with a milling program. The mechanism for advancing the workpiece used for boring is thus used also for displacing the workpiece during milling so that milling tables upon which the workpiece must be clamped and the like need not be provided. The system also avoids the need to move the massive workpieces between boring/milling units.

Abstract: An automatic machine for performing framing operations on a power pole. The machine is controlled by a programmable logic control and interchangeable programs are provided to control the operation of the machine according to a pole frame specification. Poles to be framed are received on a primary conveyor. The poles are sequentially scanned for length and position and are transferred in sequence to a longitudinal feed station where the poles are oriented on a first set of supports. An end of the pole is clamped to a movable carriage to maintain the pole orientation. The pole is fed through a rotatable tool ring by movement of the carriage. The tool ring supports tooling to perform the framing operation on the pole. The programmable logic control coordinates the movement of the carriage and the rotation of the tool ring to position the tools in the proper relation to the pole. Self centering supports are provided to center the longitudinal axis of the pole on the rotational axis of the tool ring.

Abstract: A workcenter (10) comprises its supports (14a,b,c) which each carry a carriage (24a,b,c) movable along the supports by motors (30a,b,c) under central computer control (41). Each support is an aluminium extruded U-shaped section having four tracks (28) comprising steel strips (27) in slots (29). The carriage is likewise extruded having undercut slots (83) receiving the heads (92) of axles (90) which have eccentric stubs (96) on which bearing wheels (26) are journalled. Four wheels are so-mounted at each end of the carriage. The workcenter is adaptable between different modes of operation; overhang or cantilever by virtue of the profile of the supports.

Abstract: Positioning apparatus for multiple-spindle machining, comprising: (a) a plurality of upstanding columns rigidly interconnected to a common platform and aligned parallel to each other and perpendicular to the platform within an accuracy of .+-.0.0005 inches; (b) rail means extending between each of the columns along the periphery defined by the footprint of the columns for providing movable support and having bearing means on the columns providing for movement of each rail means along the Y-axis; (c) other movement means slidable on each of the rail means along at least another axis of movement; (d) linear motor means for selectively moving the rail means and other movement means along said respective Y and another axis at peak accelerations or decelerations of about 1-2 G's; and (d) spindle means on each ram having a spindle rotationally driven about an S-axis thereof.

Abstract: The milling machine lathe attachment is attachable to an existing milling machine so as to eliminate the need for an operator owning both a milling machine and a lathe. It is designed to be mounted to the side of the milling machine and to be used without disturbing a setup in the associated vise. The attachment is also designed to be mounted to the front of a milling machine and allows the programming of the very point of single point tool contact so as to follow whatever contour or steps are desired. This type of cutting is not possible on a lathe with guaranteed accuracy, while on a milling machine it is quite feasible.

Abstract: A work holding device is intended for use in combination with a processing machine, such as an assembling apparatus, an industrial robot or a machine tool. The work holding device comprises a base plate (8), a slide base (9) supported for vertical movement on the base plate (8), a swivel head (10) supported for turning on the slide base (9), and a rotary table (11) supported on the swivel head for rotation about an axis perpendicular to the axis of turning of the swivel head. The slide base (9), the swivel head (10) and the rotary table (11) are controlled properly to set a work (12) held on the rotary table (11) in an optional position relative to the associated processing machine. The work holding device and the processing machine are controlled for synchronous operation by a single controller according to a control program.

Abstract: An automatic, moveable manipulator includes an arm supported on a carriage and holding at least one tool. Both the arm and the carriage can be moved under the control of signals transmitted from a remote location, such as a central controller, which signal is stored in a storage device. The manipulator further supports a reservoir for holding materials that can be used by the tool, for example to apply to the workpieces, such as fluids, fasteners, expendable materials, and the like. An automatic resupply system permits the manipulator to re-fill the reservoir, such as when it is emptied.

Abstract: A device for providing a lateral bearing for the lower end of a drill quill which is mounted for axial movement within a driver for a riveting machine, likewise mounted for axial movement, includes a cylindrical bearing support member having an axial bore which receives a quill bearing. The bearing support member is mounted on a bottom plate and laterally stabilizes the end of the drill quill for drilling precision. The bearing support member has a series of arcuate slots extending axially therethrough which receive a series of segments of a segmented upper portion of a driver. After insertion of the upper segmented portion of the driver, a lower cylindrical portion of the driver is screwed to the bottom end of the segments of the upper portion so that the driver can slide vertically in the slots in the bearing support.

Abstract: The flexible shaft cables of a plurality of power tools pass through recesses of a switch assembly having a plurality of spring-loaded switching elements respectively extending into the recesses. Lifting the cable of a selected tool out of its recess, actuates the associated switching element to automatically connect the selected tool for actuation by a common foot pedal.

Abstract: A machine combines metal rod chamfering and stamping operations into a single machining operation. Cutting the chamfer on the end of the rod is accomplished by a rotating cutting tool affixed to a chuck which rotates with a spindle about an axis co-linear with the axis of the workpiece. Both the chuck and the spindle contain a hollow bore along their rotational axes. This bore holds a stamping rod which is free to move axially within the spindle. A stamping impact unit is located at the opposite end of the spindle which acts upon the opposite end of the stamping rod. At the desired moment within the chamfering operation, the stamping rod is hammered into the end face of the workpiece by the impact unit. The imprint end of the stamping rod functions as a mechanical stop to locate the depth the workpiece is inserted into a clamping collet.

Abstract: An improved apparatus for the speedy and efficient repair of tubes contained in a furnace boiler waterwall is disclosed. Disclosed are a milling machine used to mill the elongated slots, and drill and saw fixtures to aid in cutting away the damaged tube section. The improved apparatus enhances the precision and uniformity with which boiler tube repairs may be made, increases access to perform internal welds in boiler tubes and permits some prefabrication of necessary repair parts, thus reducing furnace down time for repair.

Abstract: An adaptor is disclosed which is designed to be attached to an existing screwgun having a bit with a polygonally shaped end. The adaptor has a recess designed to drivingly receive the hexagonally shaped end of the bit and may be fixedly attached to the existing screwgun. The adaptor has gearing designed to allow rotation of a tool receiving adaptor at a much greater speed than the input speed. A saw blade may be attached to the tool receiving adaptor so that the inventive screwgun saw adaptor may be employed to convert a screwgun into a sawing device. In one embodiment of the present invention, an electrical circuit is incorporated into the adaptor which allows determination of the location of an electrical box behind a wall, which device includes a sensor and an indicator.

Abstract: A method of and apparatus for forming a through bore or recess in a turbine blade, for a lacing wire hole for example, includes a machine capable of approaching the area to be machined in a first direction during which an initial machining operation may take place and them moving in a second direction completing the machining operation. Support means are provided to ensure the blade is held firmly. The method and apparatus permit of accurate machining of blades when they are in an array of blades still secured to the rotor.

Abstract: A combined sawing and drilling machine for structural steel shapes such as I beams has a circular saw unit and the drilling unit mounted on a common plate or on respective plates on a common foundation adjacent one another so that the clamping screw for replacement of the blade is actuated through a window or opening in the plate carrying the drill units, thereby allowing the drilling unit and the saw to be disposeed closer together when the roller conveyor is equipped with only one position-measuring unit and thereby reducing cut-off waste.

Abstract: A plate working machine comprising a metal plate supporting table (1), a pair of rails (2, 3) extending along the sides of the table (1), a driven support means (4) for travel along the rails (2, 3), said support means comprising a spaced pair of support beams (5, 6) extending from one rail (2) to the other (3) and joined at either end by cross members (7, 8). A drilling assembly (9) is mounted on tracks (10, 11) mounted on the beams (5, 6) and a plasma profiling head (12) is carried by the drilling assembly (9) and extends over the beam (6) and downwardly towards a position adjacent the table (1).