Abstract: In one example, an on-wing method for in-situ cutting on a wing-to-fuselage attachment includes attaching a first mount plate having a first linear bearing to provide movement in a first linear direction relative to the first mount plate, attaching a second mount plate having a second linear bearing to provide movement in a second linear direction relative to the second mount plate, attaching a tool mounting member to the second linear bearing to move with the second linear bearing, attaching a cutter to the tool mounting member to be adjustable relative to the second linear bearing, adjusting a depth position of a cut to be made on the wing-to-fuselage attachment, adjusting a width position of the cut, and moving the tool along a length direction of the cut to make the cut on the wing-to-fuselage attachment along the length direction at the adjusted depth position and the adjusted width position.

Abstract: A drilling method for forming a plurality of through-holes in a plate member includes: a first step of fixing at least one jig, which has a clearance hole, on a bed of a machine tool; a second step of placing the plate member on the at least one jig and fixing the plate member on the bed; a third step of operating the machine tool so that a leading end portion of a drilling tool of the machine tool is inserted into the clearance hole, and forming a first through-hole at a position of the plate member corresponding to the clearance hole; a fourth step of passing a fixing member through the first through-hole, and fixing the plate member on the at least one jig using the fixing member; and a fifth step of operating the machine tool to form a second through-hole other than the first through-hole.

Abstract: A transfer center for machining at least one workpiece is disclosed, having a machine frame, having a plurality of preferably stationary machining spindles arranged in the machine frame—particularly in a machining head, having a workpiece carrier on which at least one workpiece to be machined is arranged by means of a respective clamping device, and having a workpiece manipulator arranged in the machine frame, onto which workpiece manipulator the workpiece carrier is flange-mounted and which is movable by drive means in at least one spatial direction in relation to the machine frame. To achieve a high machining accuracy in parallel machining, according to one proposal, the transfer center—in order to compensate for a deviation between the actual position and the desired position of the workpiece or workpieces—has a position compensation system with at least two pressure elements situated between the workpiece or workpieces and the machine frame, whose operating directions enclose an angle with each other.

Abstract: A device for employment in a machine tool, including: a first unit; a second unit connected to the first unit, wherein the first unit is rotatable around a rotational axis relative to the second unit; a motor spindle connected to the second unit; a line feed-through extending along the rotational axis from the first to the second unit; lines extending from the interior of the first unit through the line feed-through as well as through the second unit into the motor spindle; and a line guiding device formed in the first unit and serving for guiding a part of the lines disposed in the first unit immediately in front of the line feed-through, wherein the line guiding device is formed in a plane oriented perpendicularly to the rotational axis, and wherein the line guiding device feeds the lines upon rotation of the second unit with respect to the first unit.

Abstract: A device for drilling side portions of large section members, the device being arranged in a cutting system for cutting individual section member lengths, starting from a long section member, comprises a base thereon swinging support arms extend, the support arms being arranged with a V pattern enclosing an angle (?), each support arm including a plurality of sliding rollers for causing the section member to slide thereon, the swinging arms including guides slidably supporting a controllably driven carriage operatively connected to a threaded screw, each threaded screw being operatively connected to a controllable motor, each carriage having a movable arm which may be controllably displaced along guides and comprising parallel guides engaging a drilling assembly operatively coupled to a driving shaft, each driving shaft being operatively connected to a corresponding controllable motor.

Abstract: A processing machine for cutting a workpiece with a tool is presented. The processing machine includes a base member configured to support a table for receiving the workpiece, and a tool support disposed on the base member for rotation between a vertical position and a horizontal position and configured to support the tool, wherein the tool support is formed from a right leg portion, a left leg portion, and a main portion, such that the main portion connects upper ends of the right leg portion and the left leg portion, wherein the main portion is located above the table when the tool support is in the vertical position, and wherein a space above the table is not covered by the main portion when the tool support is in the horizontal position.

Abstract: A bench slide drilling and tapping dual-purpose machine tool has a base, a column and a transverse arm sleeve. The transverse arm sleeve is sleeved around the column, which is vertically fixed on the base. A hydraulic cylinder body is arranged coaxially with the column is centered in the column. A bracket is connected to the upper end of the sleeve, and is connected to a telescopic rod of the hydraulic cylinder. A sliding track is connected to one side of the transverse arm sleeve. A sliding transverse arm is provided inside the sliding track. A main motor is provided on one end of the sliding transverse arm, and the other end of the sliding transverse arm is fixedly connected with a second transverse arm; a drilling driven shaft is arranged in the second transverse arm; the upper end of a main motor is connected with a main belt wheel.

Abstract: An apparatus for processing an eyeglass lens which is capable of forming a hole or various shapes on an eyeglass lens is disclosed. The apparatus includes a pair of lens fixing shafts for clamping a lens; a carriage which supports and moves the lens fixing shafts; a lens rotation motor for rotating the lens fixing shafts; and a drilling part for forming a hole on the lens, wherein the drilling part includes: a drill head having a drill to which a drill bit is fixed; a drill head mover which is connected with the drill head and moves the drill head straightly; and a fixing block which supports and fixes the drill head mover on the apparatus for processing an eyeglass lens.

Abstract: A motor-driven working spindle for a machine tool has a casing in which a shaft is mounted for rotation. The shaft has a receptacle for a tool arranged at its front end. A spindle rotary drive is provided in the casing. Furthermore, a spindle advancing drive coupled with the shaft is provided in the casing.

Abstract: The invention relates to a machining device, especially for producing a drilling jig for dental implants. The tool can be displaced along three translational axes and can be swiveled about two swiveling axes. The displacement device for the tool comprises a C frame which can be displaced along two horizontal translational axes.

Abstract: Embodiments include a method and apparatus for drilling holes or cutting at specified locations on a beam or other material, even if the beam is offset from an ideal beam configuration. In some embodiments, the apparatus is configured to determine the correct locations of holes in the beam despite the beam's offset and drill holes in the beam according to this determination. The apparatus may be capable of drilling holes at specified locations on a web of an I-beam. In some embodiments, the method comprises determining the correct locations of the holes in the particular beam using the apparatus and drilling the holes in the correct locations in the beam according to that determination. Some embodiments include using one or more clamping mechanisms and one or more drilling members to determine the correct locations of the holes in the particular beam.

Abstract: A device includes pivoting elements enabling the drilling axis (A6) of the drilling tool (35) to be pivoted (PIV) about the axis of orientation, and elements for adjusting the angular position of the drilling tool (35) about the axis of orientation. It also includes first mobility members enabling relative mobility of the drilling tool (35) in relation to the lens to be drilled (L), or vice-versa, according to a first degree of mobility (ESC) which is distinct from the pivoting of the drilling axis of the drilling tool (35) about the axis of orientation. The elements for adjustment are configured so as to control the pivoting of the drilling axis (A6) of the drilling tool (35) about the axis of orientation, in favor of the first degree of relative mobility of the drilling tool (35) in relation to the lens (L) that is to be drilled.

Abstract: A drilling module for creating multiple drill holes in a component is disclosed. The drilling module includes several drilling units and a basic frame having a displacement device for displacing the drilling units in a first direction. The displacement device is configured such that the drilling units can be arranged displaceably on the basic frame in a second direction differing from the first direction. A drilling device unit for arrangement on a vehicle is also disclosed.

Abstract: The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or at mouse holes. A self-balanced, dual synchronized parallelogram arm is utilized to accomplish the movement of the devices. Hydraulic or pneumatic cylinders are used for extension and retraction of the arm rather than to support the tool. The arm may hold the tool in any position without cylinder assistance. The linkage in the synchronized parallelogram may be accomplished by gears, links, slots, or rollers.

Abstract: A cable cup can be mounted in an optimal location on the wall of an otherwise inaccessible duct, so that, above all, inlets into the duct are not obstructed. A mounting device has a carriage that is movable in the longitudinal direction of the duct. A supporting unit for the cable cup is mounted on the carriage. A carrier is pivotally connected to the carriage via a longitudinal shaft. A directing unit supports the cable cup and is movable toward the wall of the duct. A drilling device and a screwdriver device are longitudinally movable on the shaft. By pivoting the support and thus the directing unit, the cable cup is fixed in the desired position on the wall, a hole is drilled through the cable cup and into the wall of the duct and a screw is screwed into the hole by the screwdriver device.

Abstract: The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or at mouse holes. A self-balanced, dual synchronized parallelogram arm is utilized to accomplish the movement of the devices. Hydraulic or pneumatic cylinders are used for extension and retraction of the arm rather than to support the tool. The arm may hold the tool in any position without cylinder assistance. The linkage in the synchronized parallelogram may be accomplished by gears, links, slots, or rollers.

Abstract: The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or at mouse holes. A self-balanced, dual synchronized parallelogram arm is utilized to accomplish the movement of the devices. Hydraulic or pneumatic cylinders are used for extension and retraction of the arm rather than to support the tool. The arm may hold the tool in any position without cylinder assistance. The linkage in the synchronized parallelogram may be accomplished by gears, links, slots, or rollers.

Abstract: Apparatus and methods for manufacturing operations using non-contact position sensing are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece, a carriage assembly moveably coupled to the track assembly and moveable relative to the workpiece, and a position sensor. The position sensor includes a sensor element adapted to detect at least one edge of an index feature on the workpiece from a distance away from the index feature. In an alternate embodiment, the position sensor may include a sensing circuit that receives an analog signal from the sensing element and provides both analog and digital output signals. In another embodiment, a controller that controls manufacturing operations may be mounted directly on the carriage assembly.

Abstract: A radial overarm router includes a machine base with a work surface, a vertical column, a bearing housing, a slide assembly, and a carriage subassembly. The bearing housing is mounted to, and may rotate about, the vertical column. The slide assembly mounts to the bearing housing and in combination with the bearing housing, the slide assembly has transnational and rotational motion relative to the column. The slide assembly includes a carriage subassembly that houses a router. The carriage subassembly is configured to allow pivotal and vertical or plunge type motion of the router. The carriage subassembly further provides for transverse movement of the router. Locking knobs and adjustable limit stops are provided for all directions of movement.

Abstract: A drill press is provided that is specially adapted for drilling openings into a cylindrical block. The cylindrical block is placed on an indexing plate that is circular and capable of rotational movement on the drill press table around the center axis of the cylindrical block and indexing plate. An indexing plate support is used to help precisely rotate the indexing plate. The drill press can drill a plurality of openings through the cylindrical block at the same radial distance from the center axis of the block without need to move the drill spindle.

Abstract: A dental milling instrument includes a base connected to a guide column for a vertically adjustable milling arm which receives a milling unit. The milling arm can be displaced by its supporting slide along a guideway of the guide column, by means of an electromotive height-adjusting drive. A threaded spindle, capable of being driven by an adjusting motor, is in engagement in a backlash-free and self-locking manner with a spindle nut provided in the supporting slide. Vertical positioning and vertical fixation are accomplished entirely from an operating panel provided on the base.

Abstract: A radial overarm router is disclosed. The radial overarm router includes a machine base with a work surface, a vertical column, a bearing housing, a slide assembly, and a carriage subassembly. The bearing housing is mounted to, and may rotate about, the vertical column. The slide assembly mounts to the bearing housing and in combination with the bearing housing, the slide assembly has translational and rotational motion relative to the column. The slide assembly includes a carriage subassembly that houses a router. The carriage subassembly is configured to allow pivotal and vertical or plunge type motion of the router. The carriage subassembly further provides for transverse movement of the router. Locking knobs and adjustable limit stops are provided for all directions of movement.

Abstract: An improved drilling machine and drilling method will allow rapid configuration and calibration. The drilling machine is small, mobile, and possesses extensive computing power to download positions of hole sites and to control the positioning of the end effector. The mini-driller conforms to various jig configurations regardless of the program model or position on the wing. In short, the controller for the mini-driller quickly orients the machine, downloads the hole sites appropriate to the model under construction and determines with accuracy the mini-driller's precise location in relation to the work piece. A graphic user interface allows the operator to read the projected position of the hole sites, as downloaded from the Numeric Control Server, off of the graphic user interface and to make ad hoc corrections to the projected hole sites.

Abstract: A portable multi-axis drilling machine includes a drill mounted between a pair of 2-axis positioning devices each of which translates along X and Y axes. The positioning devices are spaced apart along a Z axis of the machine and are mounted in a frame that has a workpiece-engaging side provided with a pair of index cylinders that receive spherical tool balls mounted on the workpiece surface so as to fix the position and orientation of the machine relative to the workpiece. The frame also has swiveling feet on the workpiece-engaging side that pivot as needed to accommodate complex contoured workpiece surfaces. Rotational movement of the drill is effected by differentially translating the two positioners, and translational X and Y movements are effected by synchronously translating the positioners.

Abstract: An apparatus for drilling structural shapes such as angles, I-beams and H-beams has sliders shiftable transversely to the beam along vertical and horizontal members of a frame through which the beam is passed. At least one of the sliders can have a rotatable carrier whose axis is perpendicular to the web or flange being drill and from which a respective drilling unit is radially offset. The longitudinal position of drilling is determined by the angular position of the carrier and any transverse offset is compensated by movement of the respective slider.

Abstract: An orbiting head is rotatably mounted in the housing. The orbiting head has an axial end with a grinding surface for contact with the workpiece having its surface finished. The orbiting head defines a fluid passage with one end having an opening at the grinding surface. A spindle arbor is connected to the orbiting head and rotates with the orbiting head. The spindle arbor also defines a passage having one end connected to the passage of the orbiting head, and having another end connected to a fluid source. A drive is connected to the spindle arbor for driving the spindle arbor and the orbiting head in rotation. The orbiting head is rotated, and the grinding surface is placed into contact with the surface of the workpiece, and in relative rotation to the surface of the workpiece. Fluid is then moved through the passages from the fluid source to the opening in the grinding surface, and from the opening to an area between the grinding surface and the workpiece.

Abstract: The device serves for moving a movable platform (2) in respect to a base (1). The connection between platform and base is established by six legs (4a-4f), which are connected to the platform in articulated manner. At the base side, they rest in articulated manner on sliding carriages (6a-6f). The sliding carriages can be displaced along parallel guiding tracks (7a-7c), by means of which position and orientation of the platform can be adjusted. Two sliding carriages are running independently of each other on each guiding track, allowing a movement with a total of six degrees of freedom. Since two sliding carriages share one guiding track, the design is simplified and some drive components can be dispensed with.

Abstract: A control arm system, whose first support bar is passed through by a vertical post, enabling the first support bar to swivel round horizontally by any angle, the far end of the first support bar carrying a vertical rod, which in turn passes through a first link support to enable the first link support to swivel around the far end of the first support bar horizontally; while the first link support is further provided with two bolts that are mounted vertically above each other, pointing in a horizontal direction, and which serve to hold a second support bar, made of two parallel link bars of equal length, in a way that it is movable up and down with the two bolts as cardinal points, the far end of the second support bar in turn being connected to a second link support, which holds a rotary tool, being held by two bolts mounted vertically above each other, pointing in a horizontal direction, where the distance between the two bolts of the second link support and the two bolts of the first link support is equal;

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 workstation is provided with a curved tool rail suspended above a work surface. The curved tool rail has a tool trolley slidably coupled thereto for movably supporting a tool or part above the work surface. In a preferred embodiment, the work surface is part of a work bench. Preferably, the curved tool rail is suspended above the work surface by an adjustable frame which provides four-way adjustability of the curved tool rail. The curved tool rail keeps the tool or part suspended therefrom in reach of the worker.

Abstract: The means for aligning this device comprise a sphere holder (17) placed on a support (4) with the possibility, in the phase of positioning the spindle (6), of it shifting in all directions of the horizontal plane, a spherical core (13) mounted in the sphere holder (17) with the possibility of rotating freely, a substantially vertical sheath (10) which can be shifted axially in the core (13) and carries the spindle for driving the tool.

Abstract: A compact coupling reaming apparatus and method for reaming coupling bolt holes of a rotor coupling. The apparatus includes a fixture plate for mounting the apparatus to the face of the coupling via a plurality of the coupling bolt holes. The apparatus also includes a drill axially slidably, radially slidably, and axially rotatably mounted to the fixture plate. During the reaming process, the drill is first aligned with the center of a first coupling bolt hole, the drill having a fixed distance from an axis of the rotor after being aligned with the center of the first coupling bolt hole. After reaming the first coupling bolt hole, the drill is aligned with a center of the holes and all other coupling bolt holes to be reamed by axially rotating the drill to the center of the second coupling bolt hole while maintaining the fixed distance of the drill from the axis of the rotor.

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 hole tapping device having a motor driven tapping tool with a bracing frame for resisting reverse torque on the motor frame caused by resistance of the rotation of the tapping tool within a bore being tapped. The bracing frame has adjustable arms which provide adjustment in the radial and angular direction and which clamp stationary protrusions on the workpiece with rollers to hold the bracing frame against rotation in both directions about the axis of the bore. The adjustments of the frame provide great geometric versatility. The rollers provide for a smooth translation of the motor and bracing frame along the axis of the bore being tapped. A single coupler and a series of inserts allow for a series of differently sized tap tools to be driven through the use of a single coupler.

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 drilling tool is adapted for incorporation into a riveting robot. For this purpose, the drilling tool with its spindle head is mounted on a slide that is motor driven for displacement in the Z-direction of an XYZ coordinate system. The slide in turn is mounted on a console provided with a flange to be secured or docked to the riveting robot. The console is rotatable about its longitudinal axis that extends perpendicularly to the drill spindle axis and intersects the latter approximately in the center of the spindle axis. The drill spindle is rotatably mounted in a spindle head and carries a drive wheel approximately in the center between the spindle ends. The drive wheel is meshing or cooperating with a power transmission train from a motor that is also secured to the slide and moves up and down with the slide and thus with the spindle head. Another motor drives the up and down movement of the spindle head. This type of arrangement permits positioning the drill bit in difficult locations.

Abstract: A drill press is provided for use in conjunction with a three dimensional stereotaxic manipulator. The drill press includes a body carried by a movable member of the manipulator wherein the body has upper and lower segments and at least one guide shaft extending between the segments. A slide which carries a drill for forming skull openings is driven by a dial cord drive. The dial cord extends around a drive shaft so that rotation of the drive shaft by a handle causes the slide to move upwardly and downwardly to safely and quickly accomplish the formation of a skull opening in a small animal typically used in brain research.

Abstract: An apparatus for cutting threads in holes of fabricated parts including a vertical support shaft supporting at least one arm extended out over the part with a tap coupled to a motor on the end of each of the at least one arm. The arm is supported on the vertical shaft by a joint support which can be rotated around the vertical shaft and slide vertically on the shaft. A spring on the shaft is biased to return the joint support to a rest position. The vertical shaft can also be positioned vertically by virtue of a manually operated friction drive located in the base. These several degrees of freedom enable a user to position a tap in any one of a multiplicity of holes located over a large area of the part. A means and method for securing the tap in the tap chuck is provided.

Abstract: A drilling unit mounted on an arm of an assembly robot. In order to enable a drill bush of a nose piece, for guiding a drill, to be adjustably moved into exactly registering relation with a bore of a template laid on a workpiece, the nose piece is mounted on a first cylindrical member which is mounted on a second cylindrical member through a first compliance mechanism comprising elastic support members which constitute oblique links of a trapezoidal link mechanism having an imaginary intersection of the oblique links at a front end of the drill bush. The drill bush can therefore make a swinging motion about the intersection. The second cylindrical member is mounted on a guide plate through a second compliance mechanism which enables the second cylindrical member and hence the drill bush to adjustably move in a radial direction of a rotational shaft of the drilling unit.

Abstract: A multiple piercing apparatus for piercing a workpiece having a plurality of reference marks defining the piercing locations. A plurality of adjustably movable piercing unit cases are opposedly arranged on opposite sides of a machine bed. A piercing element, such as a twist drill or punching assembly, is mounted for movement with respect to the unit case to be aligned with a respective reference mark in response to data received from a sensor, such as a camera or photo-sensor.

Abstract: Boiler tube repair apparatus includes elongated guide rail structure for securing to a boiler tube panel adjacent a desired cut region, and three tool assemblies for mounting on the guide rail structure. Each tool assembly includes carriage structure with guide structure for engaging the guide rail structure and support structure on which a tube machining tool is mounted and that defines a tool movement axis dedicated to and coordinated with that tool. Each machining tool includes a drive motor, a manual motor control, a drive shaft and a machining member such as a cutter disc or head.

Abstract: A surfacing and boring machine for reconditioning engine blocks has a front stationary work table, a traveling column on rails provided by an elongated rigid base, a power head unit on the column adjustable in an air float condition to move an overhanging spindle forwardly and rearwardly, and mechanisms in the power head unit to independently move a spindle carrier vertically and to rotate the spindle at selected speeds. Clamping devides are provided to independently clamp the power head unit to the traveling column and the column to the base rails. A quick-change unit is located in the spindle for the tools.

Abstract: A robotic positioning device has a support structure and a tool implement holding member which is positional within the three dimensional space of the support structure. The tool implement holding member is connected to the support structure utilizing five positioning members. Each of these positioning members is connected to the tool implement holding member. Three of the positioning members are connected to the holding member at a first common center of rotation and the other two positioning members are connected to the holding member at a second common center of rotation. Each of the positioning members is attached to the support structure utilizing a connecting member which allows for the positioning member to freely pivot with respect to the support structure and additionally allows the member to move with respect to the support structure axially along an axis of the member. This is accomplished by moving the members axially toward or away from the support structure.

Abstract: A portable apparatus including a four-legged support that is equipped with adjustable support bases. The apparatus also includes a centering mechanism that includes rotatable eccentric discs, and a modified rotating unit, the rotating arm of which is provided with an adjustment mechanism that is equipped with a sensing device, and with a tracing device that is equipped with various copying templates and is coupled with a machining or processing tool for machining the rim of a flanged, flat, dished semi-ellipsoidal head in preparation for a welding seam connection with a tubular member to produce a circular cylindrical reaction vessel. The apparatus is installed in the upwardly open head coaxial to the axis of the latter. During each rotation of the rotating arm, the machining tool experiences a feed movement and an adjustment movement that is corrected for the geometry of the workpiece or head.

Abstract: Drilling apparatus is adapted for use with a computer controlled plotter to selectively use the plotter as an automatically positionable hole drilling device. A drill motor of the drilling apparatus is carried and manipulated by a carrier mechanism of the plotter in a manner similar to that in which a conventional plotter instrument is manipulated. A coupling apparatus is attached to the carrier mechanism for the purpose of selectively mechanically connecting to and establishing a pneumatic seal for supplying pressurized gas to operate the drill motor. An alignment apparatus is connected between the carrier mechanism and the drilling apparatus to position an axis through the drill bit of the drill motor orthogonal to the plotter table. An actuator apparatus moves the drill motor toward the plotter table to drill holes in the material positioned on the plotter table.

Abstract: A drill press mounting apparatus for use on a balancing machine having a longitudinally extending machine bed is disclosed. The drill press assembly is comprised of a first longitudinally extending guide path defined adjacent the machine bed and a second longitudinally extending guide path defined adjacent the machine bed parallel to the first guide path. A drill press is mounted for movement along the first and second guide paths and a friction stop is operatively connected between the drill press and the machine bed. The friction stop retards movement of the drill press with respect to the machine bed upon commencement of drill press operations.

Abstract: A hand tool (20) useful in the repair of bodies having complex, compound curved surfaces. The tool (20) comprises an adjustable arm (40) mountable at one of its ends to a damaged surface area (15). The other end of the arm (40) is provided with a gimbal mount (50) supporting a cutter assembly (45) and a gripping ball (60) for rotating the tool (20) during use. The gimbal mount (50) and a plurality of orthogonally disposed springs 190 provides a means to ensure that the cutter assembly (45) can follow the contour of the surface area 5 and will be substantially perpendicular to the surface area (15) as the tool (20) is being rotated. A guide (55) provides additional forces to urge the cutter assembly (45) into a position substantially perpendicular to the surface area (15).

Abstract: An apparatus facilitates the support and positioning of an engine block for the purpose of boring the cylinders thereof and the support and positioning of the boring machine used simplifies the operation and permits it to be performed with greater ease, safety and precision. A novel method of suspension of the boring machine over the engine block simplifies the raising and lowering of the machine by levelling it and automatically effecting the proper alignment to insure the accuracy of the boring operation.

Abstract: A tool holder has compliance features that allow a hole to be drilled at high tolerances by a remote controlled control arm. The holes are drilled in a workpiece that has a template secured over it with guide holes for positioning the holes to be drilled. A self-feeding drill of the type that will simultaneously rotate and advance a drill bit is mounted in a support. A sleeve is carried at the forward end of the support for enclosing the drill bit. An index carriage moves the support forwardly into the guide hole after the control arm has substantially aligned the sleeve with the guide hole. Compliance mechanisms in the support allow the entire drill, drill bit and sleeve to move as a unit a limited amount parallel to and angularly with respect to the template and the indexing carriage, to allow advancement of the sleeve into the guide hole even though there may have been initial misalignment. The compliance mechanisms preferably include an inner guide member mounted within an outer guide member.

Abstract: An apparatus for guiding and positioning the tool of a machine for plugging or drilling blast furnace tapholes, the apparatus comprising an inclined main pivot, a support arm which is rotatably mounted at one end on the inclined main pivot and having a tool pivotally fitted by an auxiliary pivot to the free end of the support arm, a guide rod mounted to the working tool and mounted to a fixed point in the vicinity of the main pivot, and a driving mechanism serving to pivot the tool and the support arm about the main pivot from a retracted position to an operational position, the longitudinal axis of the auxiliary pivot being oblique with respect to the longitudinal axis of the main pivot to provide for a low profile trajectory of the working tool.