Abstract: This unique and novel invention provides a custom data removal jig used to reliably, efficiently, and cost-effectively remove data from a handheld mobile computing device (“PC device”). The data removal jig comprises an open-box structure which provides one or more alignment features to assist with properly inserting the PC device within the data removal jig. Additionally, a pilot hole is provided by the securement structure. Once the PC device is inserted into the data removal jig, the pilot hole is substantially centered above the integrated flash memory chip on the particular PC device's motherboard which the data removal jig has been customized to accommodate. A power drill is used to precisely penetrate the PC device via the pilot hole and substantially isolate the damage to the integrated flash memory chip. Additionally, the securement structure also provides one or more braces that assist with restraining movement of the securement structure during the data removal process.

Abstract: A piling guide tool for forming a cutout for seating a brace plate on a post. The piling guide tool has a body with first and second surfaces, first and second side edges, first and second end edges, and a router guide area adjacent to an opening in the body. A pivotally mounting bolt guide mounting plate is used to cover and uncover the opening. A bolt hole guiding assembly supported on the guide mounting plate has two cylindrical hollow guides. Width adjusting assemblies are slidably mounted on the lower surface of the tool and has a movable guide rail and an adjusting screw assembly with a threaded bolt connected to the guide rail for movement thereof toward and away from the opening. Slots receive bolts to allow movement of the guide rail on the lower surface of the tool. Method for using the tool is also disclosed.

Abstract: The invention relates to a metal-cutting machining process for a semi-finished product having a predetermined shape and at least one machining surface which has the steps: applying a protective foil having a predetermined elongation at break to the at least one machining surface with a predetermined adhesive force, placing a metal-cutting tool in a predetermined position above the machining surface, exerting a predetermined mechanical force in a predetermined direction for a predetermined length of time to the tool for carrying out a metal-cutting process on the semi-finished product and lifting the tool from the at least one machining surface after the predetermined length of time.

Abstract: Drilling apparatus and method, the apparatus comprising: a first robot (10); a first member (30) (e.g. a pressure foot) and a drilling tool (38) both coupled to the first robot (10); a second robot (12); and a second member (52) coupled to the second robot (12); wherein the apparatus is arranged to press the members (30, 52) against opposite sides of a part to be drilled (2, 100) (e.g. an aircraft panel) so as to hold the part (2, 100) and prevent deflection of at least a portion of the part (2, 100); and the first member (30) and the drilling tool (38) are arranged such that the drilling tool (38) may drill into the portion of the part (2, 100) of which deflection is opposed from the side of the part (2, 100) pressed against by the first member (30). The robots (10, 12) may be robotic arms.

Abstract: A nose piece assembly for an automated spar assembly tool incorporates a base and an engaging member. An offset member extends between the base and the engaging member. The offset member has substantially a U-shape allowing for access by the engaging member to portions of a structural assembly behind a closed angle.

Abstract: A method and a machining kit for machining a bore hole into a shroud block are disclosed. The method includes designating a location of the bore hole on an exterior surface of the shroud block, positioning the shroud block in a machining device, securing the shroud block in the machining device, and machining the bore hole in the shroud block. The machining device includes a locating tool, a machining tool, a platform, a securing device, and a radial support. The radial support is configured to mate with a radial exterior surface of the shroud block such that a machining axis of the machining device may be aligned with a radial axis of the shroud block during positioning.

Abstract: A fastener installation tool including a guide that guides a fastener into a side of a work piece at an angle, while optionally restraining the fastener from wobbling due to rotation, even upon initial entry into the work piece. The guide can define an angled bore including a fastener entrance opening and a fastener exit opening which is adapted to be positioned immediately adjacent the work piece. The guide can include a material ejection port between the openings, through which material bored from the work piece can be evacuated from the angled bore to prevent binding of the material with the fastener. The tool can include a clamp assembly that clamps opposing sides of the work piece to precisely align and steadily hold the angled bore as a fastener is being installed in a side surface. Related methods of using the tool to install fasteners also are provided.

Abstract: Provided is a machine tool, which is capable of highly accurately performing machining with respect to a bent surface of a subject to be machined. The machine tool fixes work (W), which has an upper flat surface (Wa) and a lower bent surface (Wb), in a state wherein the upper flat surface (Wa) is horizontally disposed, and makes a hole in the lower bent surface (Wb). The machine tool is provided with: a lower machining head (25), which has rotatably mounted thereon a tool (T1) that makes the hole in the lower bent surface (Wb); a lower saddle (24) which moves the lower machining head (25) in the axis direction of the tool (T1); and a lower cross rail (23), which is provided by being tilted, with respect to the upper flat surface (Wa), at a tilt angle (?) that is set corresponding to the curvature of the lower bent surface (Wb), and which supports the lower saddle (24) such that the lower saddle can move in the tilt direction of the tilt angle (?).

Abstract: A lateral motion inhibitor assembly, a drill press incorporating the inhibitor and a method of using the same. The inhibitor assembly includes a clamping assembly which fixedly engages a vertical support column of the drill press, a connector assembly which fixedly engages a horizontally-oriented drill press table; and a plate assembly which extends between and is pivotally secured to both the clamping and connector assemblies. The plate assembly includes a first plate and second plate that are pivotally secured together. The inhibitor assembly restrains the table and drill against lateral movement relative to each other when the table's vertical position on the support column is changed. The inhibitor assembly ensures that both an initial drill hole and a subsequent drill hole are drilled in substantially the same location on a workpiece supported on the table.

Abstract: A lateral motion inhibitor assembly, a drill press incorporating the inhibitor and a method of using the same. The inhibitor assembly includes a clamping assembly which fixedly engages a vertical support column of the drill press, a connector assembly which fixedly engages a horizontally-oriented drill press table; and a plate assembly which extends between and is pivotally secured to both the clamping and connector assemblies. The plate assembly includes a first plate and second plate that are pivotally secured together. The inhibitor assembly restrains the table and drill against lateral movement relative to each other when the table's vertical position on the support column is changed. The inhibitor assembly ensures that both an initial drill hole and a subsequent drill hole are drilled in substantially the same location on a workpiece supported on the table.

Abstract: A pushing structure of a metal work drilling tool includes a drill housing, a drill assembly, a push part and a feed trigger. The drill assembly is constituted by a drill bit, an extension rod and a power device. When drilling needs to be conducted, the feed trigger is pressed to drive the drill assembly forward that the drill bit gently contacts with the object for drilling; next, the drilling tool is activated and the feed trigger is pushed, then drilling force can be controlled effectively to improve a drilling efficiency and reduce a chance that the drill bit is broken due to percussion.

Abstract: A drill press has a housing, base and support shaft. The support shaft has a vertical first axis and a lower end supporting the base and an upper end supporting the housing. The housing includes a bit rotatable about a vertical second axis. A first lower plate is coupled to the support shaft. The connector is adjustable for varying the angular orientation of the first lower plate about a horizontal third axis. The first lower plate has an upper surface with a downwardly extending groove transverse to the third axis. A first upper plate has a lower surface with a downwardly extending projection slidable within the recess. A locking bolt is adapted to secure the upper plate with respect to the lower plate. The upper plate has an upper surface with a plurality of threaded apertures for securing a workpiece to be drilled.

Abstract: An apparatus for aligning a machine tool with a target location on a structure. A machine plate positionable on the structure has a plate bushing providing a hole through the plate. The apparatus also includes a nosepiece for guiding a distal end of the tool through the plate bushing to the target location. The nosepiece has a collet configured to be moved at least partly through and sideward in the plate bushing to center the nosepiece on an element projecting from the structure at the target location. The nosepiece can be attached to the plate bushing to establish normality of the tool relative to the projecting element.

Abstract: A new and improved nailing bridge system which comprises a single nailing gun which is mounted for movement along a stud frame locus or a seam locus, defined by means of abutting sheets of wall sheathing, covering, paneling, or the like, wherein the single nailing gun can be moved to any one of effectively an infinite number of positions so as to permit nails to be driven into the covering, sheathing, paneling, or the like, in order to fixedly secure the sheathing, covering, paneling, or the like, to underlying stud frame members of a wall structure or wall panel member. Stitcher guns are also mounted upon a separate support beam so as to fixedly secure the sheathing, covering, paneling, or the like, to the upper and lower plate, header, or footer members of the wall structure or wall panel member.

Abstract: An electrical safety device for use within an electrical circuit panel box and other electrical cabinetry is constructed of a tubular, transparent sleeve having a first and a second end. One end has a removable cap and the other end is provided with a means for attaching the sleeve to the interior wall surface of the electrical panel box or other electrical cabinetry. The safety device functions to catch the metallic waste material that is generated when the wall of the panel box or cabinetry is drilled to add other conduits to the panel box so that it does not penetrate any of the electrical components or wiring within the panel box. The safety device also functions to isolate the drill bit from contact with the components within the panel box. The removable cap facilitates emptying of the sleeve after use.

Abstract: A method of controlling a drilling machine comprising the steps of: providing a drilling machine (13); equipping said machine (13) with a tool (15); providing a workpiece (19); associating said workpiece with a support (17a, 17b); applying a load (21) to said workpiece; working said workpiece by means of said tool, the method comprising a step of measuring load variations induced by the workpiece resistance to the working. The invention also concerns an apparatus for carrying out said method.

Abstract: A reaming machine includes a machine body; a retractable fixture installed above the machine body and used to press against a workpiece and fix the workpiece; and a vertical wall disposed inside the machine body. Two slide rods are installed to the vertical wall. A slide seat is slidably coupled to the two slide rods. A driving source is fixed to the slide seat. A piston rod is installed to the bottom of the slide seat. A hydraulic cylinder enables the piston rod to move telescopically. The piston rod further enables the driving source to move up and down. A tool seat is installed to the driving source. A reamer is installed at the top of the tool seat and can ream a hole on the workpiece. As the reamed hole faces downward, the wooden dust and debris generated in reaming will fall into the interior of the machine body.

Abstract: A locking mechanism of a worktable for a drilling machine includes: a worktable has a loading surface formed on a top thereof for loading. A space is defined in the worktable and a wire coil is received therein. A spindle is longitudinally and centrally mounted to a bottom of the worktable. A connecting portion is mounted onto a periphery of the spindle and includes a locating assembly and a conducting assembly mounted in the locating assembly for electrically connecting the wire coil. The locating assembly has at least one fixing hole defined therein. And at least one fixing rod is mounted into the fixing hole for fixing the locating assembly and maintaining the electromagnetic field.

Abstract: A mechanical method for machining flexible panels, in particular panels with a complex shape, in which the panel to be machined is held fixed on its periphery on a rigid support, and a machining tool is applied against one of the faces of the panel and is controlled to perform the desired machining. The method includes at least counterbalancing the machining force exerted by the tool on the panel by applying a force approximately opposing the tool through an appropriate means of support on a face of the panel opposite the face where the tool is applied, with the means of support being independent of the tool.

Abstract: A method for manufacturing a doughnut-shaped glass substrate by use of a glass substrate manufacturing apparatus, the glass substrate manufacturing apparatus comprising a work stage, three drilling machines and a conveying device capable of moving the work stage, comprising fixing a glass sheet on the work stage; moving the glass sheet to a position just above the core drill of the first drilling machine by use of the conveying device; partially drilling the glass sheet from downward by use of the core drill of the first drilling machine; moving the glass sheet to a position just under the core drill of the second drilling machine by use of the conveying device; forming the inner circular hole in the doughnut-shaped glass substrate by drilling the partially drilled portion from upward by use of the core drill of the second drilling machine; moving the glass sheet to a position just under the core drill of the third drilling machine by use of the conveying device; and separating the doughnut-shaped glass subst

Abstract: A fixation device (10) for fixating a portable orbital drilling machine to a drilling template (20), comprising a housing assembly (12, 50, 54, 56, 58) configured to be detachably secured to the drilling machine; distal locking members (16) projecting from a housing body (12) of said assembly and configured to receive corresponding locating pins (18) fixated to the template (20) at a distance from a template hole (22).

Abstract: The invention relates to an apparatus for cutting an oval hole in the wall of a pipe. The pipe secured to a baseplate (1) of the apparatus is cut for an oval hole by means of a tool (20) having its cutter head (24) rotated about its axis while it is driven along a circular path in relation to a carriage (2) of the apparatus. The carriage (2) is mounted on the baseplate (1) by way of linear runners (3). Adapted for rotation along with a drive pulley (4) of the tool (20) is a cogged wheel (10), which through the transmission of a cam lever (11) is adapted to drive a shaft (12) having its rotational motion transmitted on the one hand to drive a gear (22) and on the other hand to work the carriage (2) back and forth in relation to the baseplate (1), a round-trip displacement (2xa) being equal to a difference between the major axis and the minor axis of a desired ellipse.

Abstract: Systems for positioning a work piece relative to a tool. These systems may include, among others, apparatus and methods, such as a worktable for a drill press or similar machine, for positioning a work piece, such as wood, plastic, metal, and/or other material, relative to a tool, such as a cutting, shaping, and/or finishing tool. The worktable may be configured, among others, to position a work piece in two planes relative to the axis of the tool.

Abstract: A floor installation system includes a hole making device for drilling holes in a solid wood strip. The hole making device comprises a linear guide assembly including at least one guiding rod, a first drill motor slidably mounted on the guiding rod of the linear guide assembly, a first fixed wood guiding sidewall non-movably mounted to the linear guide assembly and a second wood guiding sidewall mounted to the linear guide assembly. The first drill motor is provided with a first drill chuck driven by the first drill motor for drilling a hole in the solid wood strip. The first and second wood guiding sidewalls define a wood guiding channel therebetween for supporting the solid wood strip. The hole making further comprises an actuator motor provided for selectively moving the first drill motor along the guiding rod to and away from the wood guiding channel.

Abstract: The present invention relates to a method and apparatus for drilling holes in lenses for making “rimless and pierced-lens” spectacles. According to the invention, the apparatus comprises: a bed (11) carrying a numerically-controlled drill (12) whose drill tool (15) is set on a vertical axis; a reference pointer (30, 33) mounted on the bed (11) to be movable between an active position in which it bears against a lens and a retracted position in which it leaves the lens clear; and a lens support (50) arranged to hold the lens (V) in a substantially horizontal plane, said support resting on a surface (20) that is secured to or integral with the above-mentioned bed (11) while the position of said support can be held stationary relative to said surface.

Abstract: A pocket-hole drilling apparatus for drilling pocket-holes in a workpiece is disclosed. In one embodiment, an initiation switch actuates clamping the workpiece and the movement of a drilling module to cut a pocket-hole. The drilling module has a motor and a step-drill mounted thereon, which is slidably mounted on a guide module. The axis of the drilling module movement intersects work surface. In another embodiment, a movable fence provides the adjustability of pocket-hole depth. In yet another embodiment, two actuator tips are disposed in a fence to prevent the drilling of a pocket-hole through the sidewall of a workpiece. In still another embodiment, a short stroke clamping actuator is used to prevent human finger injury. In still another embodiment, a blower or an ejector pump is used to remove wood chips, wherein the blower is either attached to a drilling motor or to a separate blower motor; the ejector pump is mounted near the drill guide.

Abstract: Numeric control bore for boring an eyeglass lens and corresponding method. The bore comprises a bedplate (1), attachment device (3) for the lens (5), rotation device (9) for the lens (5) according to a first axis (7) (first degree of freedom), and a support column (11) with a head (15), wherein the attachment device (3) and the support column (11) can be moved between each other (second degree of freedom). The support column (11) has a first end linked to the bedplate (1) being capable of rotating about a second end (third degree of freedom) and the head (15) is linked to the column (11) by translation structure (fourth degree of freedom). The apparatus only has these four degrees of freedom in order to fix the relative position between the head (15) and the lens (5).

Abstract: A drilling machine for drilling variable-thickness on-edge supported wood, plastics material, aluminum panels, comprises a bottom intermittent conveyor for abutting against a bottom edge of a panel and horizontally conveying a panel to be processed to a tool bearing a rotary turret, top horizontal axis vertically movable abutment and guide rollers for abutting against the top edge of the panel and rear vertical axis rollers. for abutting against and guiding the rear surface of the panel.

Abstract: An entry sheet for drilling for a printed wiring board material, which comprises a water-soluble resin (A) and a water-insoluble lubricant (B) as essential components, an entry sheet for drilling for a printed wiring board material, which sheet comprises a metal foil having a thickness of 5 to 200 ?m and a thermosetting resin (E) layer having an average thickness of 1 to 10 ?m, the thermosetting resin (E) layer being formed on one surface of the metal foil, and a method for drilling a hole by using the above entry sheet.

Abstract: A metal plate coated with a lubricating resin is coated with a lubricating resin having a modified polyamide ({circle around (1)}) and a crosslinking curing agent ({circle around (2)}) of the modified polyamide ({circle around (1)}) on at least one side face of the metal plate. At this time, the compounding ratio of the modified polyamide ({circle around (1)}) and the above-described crosslinking curing agent ({circle around (2)}) is preferably (60:40) to (15:85) by mass ratio converted to solid content. Furthermore, according to requirement, an inorganic powder filler ({circle around (3)}) may be added to the resin composition.

Abstract: A lubricant sheet for making a hole used for a printed circuit board, comprising an organic substance layer having a thickness of 0.02 to 3.0 mm and formed of a mixture (a) or a mixture (b) and a metal foil having a thickness of 0.05 to 0.5 mm, said organic substance layer being formed on one surface of said metal foil, said mixture (a) being a mixture containing polyether ester (I), a solid water-soluble lubricant (II) and polyethylene glycol (III) having a number average molecular weight of 200 to 600, and said mixture (b) being a mixture containing said polyether ester (I), said solid water-soluble lubricant (II) and a liquid water-soluble lubricant (IV), and a method of making a hole which uses the lubricant sheet.

Abstract: A cutting tool for forming holes in plastic piping primarily intended for use in holing irrigation pipes for drips and sprinklers ranging from holes with diameter of 2-4 mm. The tool comprises of a blade element made of steel, preferably hardened and provided with a sharpened around cutting edge, and a body and handle made of high strength plastic material, with a lower jaw allowing the holing of pipes ranging from 12-32 mm in diameter.

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: A dowel hole and slot cutter comprise a motor having a base slidably mounted on a track and a cylindrical cutting bit mounted at one end of the motor and extending outwardly therefrom. A support includes a pair of arms with one arm extending upwardly from each side of the track and a cross-portion joining the arms and having an aperture extending therethrough for movement of the cylindrical cutting bit. A flat member having an aperture therethrough includes a track at its upper and lower end which engages the cross portion of the bracket for movement transverse to the cross portion. In operation, the cutter may be used to drill holes, dowel holes, or slots in a fast efficient manner. A polycarbonate member having a elongated slot for the cylindrical cutting bit is mounted between the flat member and a adjustable support member, which includes a perpendicular portion extending outwardly therefrom and two portions extending downwardly from the perpendicular portion therefrom.

Abstract: A workstation having an adjustable support structure is disclosed. The workstation includes a beam, a position locking apparatus, and a workpiece-supporting device slideable along the beam to a position where it is locked by the locking apparatus. The locking apparatus is configured to exert a constraining force proportional to a load force. Also disclosed is a workstation including a means for supporting a workpiece, a means for supporting a means for supporting the workpiece at a selected distance above a floor, and a means for frictionally securing the means for supporting the workpiece to the means for supporting the means for supporting the workpiece.

Abstract: An entry board for drilling improves drill machinability such as hole positional accuracy using a fine-diameter drill, and roughness of the walls of the drilled holes. The entry board has a metallic foil, and a thermosetting resin is covered on one or both sides of the metallic foil to provide a drill-penetrating layer.

Abstract: A bolt support member for use in cutting lock bolts of security containers. The bolt support member has a hook-shaped portion at one end for engaging a lock bolt, and threaded portion at another end. The hook-shaped portion is inserted into a hole in the container near the lock bolt and is clamped between the lock bolt and the surface of the container by a pair of knobs positioned on the threaded portion of the bolt support member. The bolt support member constrains the lock bolt from bending under cutting pressure and thus prevents binding against the cutter.

Abstract: An auxiliary bench is retractably connected to an underside of a main bench and includes two rods and a handle. The main bench has tow recesses defined in a peripheral flange thereof and the two rods are engaged with the two recesses. A retaining member is connected to an underside of the main bench by a lock member and has two grooves in which the two rods are movably received. The auxiliary bench is pulled to support long object to be drilled.

Abstract: A repair jig for drilling and retapping bores provided in a marine engine distributor is disclosed. The repair jig includes a frame having a plurality of alignment mechanisms operatively associated therewith. Bores formed in the alignment mechanisms are alignable with bores of the marine engine distributor. Once aligned, drill bits and taps can be sequentially inserted through the repair jig and into the distributor for removing broken fasteners and retapping the distributor bores, respectively.

Abstract: A table for a drill press that includes a plate for attaching to the column of the drill press, a receptor associated with the plate and providing a well for providing clearance for a sanding cylinder operatively attached to the head of the drill press, a block replaceably disposed at least in the receptor for providing a work surface for resting a workpiece on when the workpiece is being drilled by the drill press or for securing a conventional vise to, and a clamp threadably engaging the cup, and when tightened against the block, maintains the block in the well. The plate has a throughbore that extends centrally therethrough. The receptor is a cup that depends perpendicularly from the throughbore in the plate. The block includes a lower portion that fills the cup, an optional upper portion that rests upon the plate, and an optional throughbore.

Abstract: A table for a drill press that includes a plate for attaching to the column of the drill press, a receptor associated with the plate and providing a well for providing clearance for a sanding cylinder operatively attached to the head of the drill press, a block replaceably disposed at least in the receptor for providing a work surface for resting a workpiece on when the workpiece is being drilled by the drill press or for securing a conventional vise to, and a clamp threadably engaging the cup, and when tightened against the block, maintains the block in the well. The plate has a throughbore that extends centrally therethrough The receptor is a cup that depends perpendicularly from the throughbore in the plate. The block includes a lower portion that fills the cup, an optional upper portion that rests upon the plate, and an optional throughbore.

Abstract: The drilling attachment has a drill mounted to revolve about a generally horizontal axis. A working surface on which a piece of stock is placed is mounted on a carriage which slides horizontally toward and away from the drill. The drill is mounted in a gear box which slides vertically on a pair of guide shafts.

Abstract: A tapping apparatus having a drilling device for producing an outlet on a medium-carrying pipeline, on which a tapping fitting is arranged, and having a drive and advance device for driving and advancing a drilling tool is proposed, a coupling and uncoupling mechanism being arranged for coupling and uncoupling the drive device to and from the advance device for the drilling tool. The tapping apparatus is of modular construction, can be dismantled into individual parts and is easy to operate.

Abstract: A lubricant sheet for making a hole used for a printed circuit board, comprising an organic substance layer having a thickness of 0.02 to 3.0 mm and formed of a mixture (a) or a mixture (b) and a metal foil having a thickness of 0.05 to 0.

Abstract: An entry board for drilling which improves drill machinability such as hole positional accuracy using a fine-diameter drill, and roughness of the walls of the drilled holes. The entry board has a metallic foil, and a thermosetting resin is covered on one or both sides of the metallic foil to provide a drill-penetrating layer.

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 column positioning device for a drill press includes a base having a post and a positioning pin respectively extending from a top of the base. The post is received in a hollow column on which a motor is connected. The column has two positioning passages so that the positioning pin is engaged one of the positioning passages. A frame is connected a side of the column and a pusher is connected to the frame. A rod extends from the pusher and a pressing member is movably mounted to the rod. When rotating the column 180 degrees about the post, the column is conveniently positioned by inserting the pin with the other positioning passage.

Abstract: A method and materials for drilling through-holes in printed circuit boards with a drilling tool is disclosed. The method involves the use of a lubricating entry material placed on the top surface of a stack of printed circuit boards and a lubricating backup board placed beneath the bottom surface of the stack of printed circuit boards. The lubricating entry material has a core with skins attached on both sides by a lubricant/adhesive. Similarly, the backup board has a core with skins attached on both sides by a lubricant/adhesive. The skins are hard enough to support the top and bottom surfaces of the printed circuit boards and thereby reduce burring at the entry point and exit point of the through-hole. The lubricant/adhesive coats the drilling tool during the drilling operation to reduce friction and thereby reduce the temperature of the drilling tool.

Abstract: An engraving system for positioning a workpiece to be engraved. The workpiece is held in a workpiece carrier having a positioning structure that engages a complementary positioning structure on an engraving table. The workpiece is centered in the workpiece carrier so that when the workpiece carrier is in position on the engraving table, the center of the workpiece is known to the engraving system. This engraving system allows for an unskilled operator to engrave workpieces of different configurations in a reliable manner.

Abstract: A pocket-hole drilling apparatus for drilling pocket-holes in a workpiece is disclosed. In one embodiment, an initiation switch actuates clamping the workpiece and the movement of a drilling module to cut a pocket-hole. The drilling module has a motor and a step-drill mounted thereon, which is slidably mounted on a guide module. The axis of the drilling module movement intersects work surface. In another embodiment, a movable fence provides the adjustability of pocket-hole depth. In yet another embodiment, two actuator tips are disposed in a fence to prevent the drilling of a pocket-hole through the sidewall of a workpiece. In still another embodiment, a short stroke clamping actuator is used to prevent human finger injury. In still another embodiment, a blower or an ejector pump is used to remove wood chips, wherein the blower is either attached to a drilling motor or to a separate blower motor; the ejector pump is mounted near the drill guide.