Abstract: In a method for guiding a cutting head in relation to a material, a position and a speed of the cutting head are set by means of a drive unit depending on a desired position value and a desired speed value established by an interpolator unit, a control signal for the drive unit is determined, a distance between the cutting head and the material is determined with a distance sensor, and a corresponding distance signal is provided. The distance signal is compared with a predetermined comparison distance to yield a distance-control signal, and the control signal for the drive unit is additionally determined dependent upon a distance-control signal. The comparison distance is subtracted from the distance signal and the difference is superimposed on the actual position signal, which is delayed by a first time period, wherefrom the distance-control signal is determined.

Abstract: An advanced jig for manufacturing a firearm lower receiver can include an adapter, a guide plate, a front support, a buffer support, a buffer mounting screw and at least one carriage with at least one locating pin. A guide plate can be in a location above the fire control cavity of a lower receiver and can be mounted to the carriage(s) in conjunction with a rotary power tool adapter. The jig can be a universal fitment. The jig can include a bearing to support a rotary tool and can be constructed and arranged to provide for use of at least one guiding feature to facilitate in the guidance of the rotary tool without placing the rotary tool in direct contact with any of a plurality of guidance features for firearm lower receiver manufacturing. A removable locating pin can be situated in a location along the front takedown pin hole of a firearm receiver that is for firearm lower receiver manufacturing.

Abstract: An improved jig for manufacturing a firearm lower receiver is comprised of a power tool mount; an adapter; a guide plate with plate screws; a rear support with mounting screws; a front support; and at least one of a carriages with at least one locating pin. A guide plate is disposed below the top surface of a lower receiver in conjunction with an adapter. The jig is a universal fitment and includes a bearing to support a rotary tool and at least one guiding feature can be used to facilitate in the guidance of the rotary tool without placing the rotary tool in direct contact with any of the guidance features. A removable locating pin is situated a long the front and rear takedown pin holes of a firearm receiver that is not threaded and is provided with at least one of a pull, string or other handle.

Abstract: A method and apparatus for center height alignment of a boring bar is disclosed. The apparatus includes a seat member with a bottom and a back, and a digital angle gauge mounted to the seat member. The method includes the steps of: assembling an apparatus comprising a seat member and a digital angle gauge; calibrating the apparatus such that a Display of the digital angle gauge reads zero degrees; and aligning the center height of the boring bar by rotating the boring bar such that the Display of the digital angle gauge reads zero degrees when the apparatus is mounted onto the boring bar.

Abstract: The present disclosure relates to a structure for reducing thermal displacement of a machine tool structure, and more particularly, to a structure for reducing thermal displacement of a machine tool structure capable of reducing thermal displacement of a structure in order to prevent processing precision from deteriorating due to deformation of a fixed structure by heat generated at a part where the fixed structure and a movable structure perform frictional motion together with each other. Accordingly, in order to resolve a technical problem, an object of the present invention is to provide a structure for reducing thermal displacement of a machine tool structure capable of preventing a structure from being deformed and distorted by reducing a temperature deviation over the entire structure by rapidly transferring heat to other parts when a temperature of a specific part of the structure is raised.

Abstract: An electronic board for avionics equipment, the board comprising a printed circuit, a reinforcing surround and board retention means. In order to improve the vibration resistance of the board, the board further comprises vibration damping means interposed between the reinforcing surround and the retention means.

Abstract: A tool holder holding a rotating tool can be sucked in a direction of a rotational axis of a spindle and a direction perpendicular to the direction of the rotational axis, using a chuck. A projection is provided on an outer peripheral surface of the tool holder, and caused to collide against another projection with the spindle kept rotating, to displace the tool holder. Thus, runout and dynamic balance of the rotating tool are adjusted.

Abstract: A test device and a test method for testing a drilling/rivet countersinking process carried out by a drilling/feed unit, a base body with at least one receiving groove and at least one turret mechanism with receiving openings being provided, the at least one turret mechanism being rotatably provided with respect to the base body in such a way that a predetermined receiving opening can be adjusted to align with the at least one receiving groove.

Abstract: A contacting or non-contacting probe (2) is mounted to a spindle (6), preferably a tool spindle, of a machining device, such as a chamfering device (4), whereby it has a home position retracted out of the way of the machining (e.g. chamfering) process and an active position where it can contact a workpiece before or after the machining (e.g. chamfering) process.

Abstract: A test device and a test method for testing a drilling/rivet countersinking process carried out by a drilling/feed unit, a base body with at least one receiving groove and at least one turret mechanism with receiving openings being provided, the at least one turret mechanism being rotatably provided with respect to the base body in such a way that a predetermined receiving opening can be adjusted to align with the at least one receiving groove.

Abstract: An alignment system and method for aligning a hole-making device for forming a hole in the ground. In one example, the alignment system includes an alignment template selectively securable to the ground; and a centering plate positionable within the alignment template, the centering plate having a hole adapted to be positioned on a survey pin or nail or other mark. The alignment template is aligned relative to desired marked hole location, and the hole making device is aligned relative to the template, which thereby aligns the hole making device relative to the marked hole location.

Abstract: A method of longitudinally guiding a first elongate structure for motion along a desired motion trajectory toward a target area through reference to a second elongate structure includes a guiding frame having at least one laterally offset guiding structure. The guiding frame is selectively affixed to the first elongate structure in a predetermined relative guiding configuration. The second elongate structure is placed in a predetermined targeting relationship, correlated with the desired motion trajectory, with the target area. The second elongate structure is maintained in the predetermined targeting relationship substantially lateral to the target area. The second elongate structure is brought into a predetermined guiding relationship with the guiding portion of the guiding frame.

Abstract: A fixture for positioning a drill, vector or the like, has a gimbal mechanism with a tubular bushing extending therethrough. The gimbal mechanism is angularly adjustable and is held by a mounting assembly which is horizontally adjustable along an x-axis and y-axis. In a preferred embodiment of the present invention, the mounting assembly is supported on a base which carries an x-axis mechanism for adjusting the location of the ball member along an x-axis and a y-axis mechanism for adjusting the location of the ball along a y-axis.

Abstract: A laser alignment system for a drill press includes first and second adjustable laser assemblies mountable on the drill press. Each adjustable laser assembly includes a base firmly affixed to the drill press, a rotatable element mounted on the base and being adapted to selectively rotate relative to the base, a pivotable element mounted on the rotatable element and being adapted to selectively pivot relative to the rotatable element, and a laser mounted on the pivotable element and being adapted to move simultaneously with the pivotable element. The laser alignment system includes a pivot adjusting mechanism coupled with the pivotable element for selectively pivoting the pivotable element relative to the rotatable element, and a rotation adjusting mechanism coupled with the rotatable element for selectively rotating the rotatable element relative to the base.

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 system positions a workpiece with respect to a router bit. The system may include a router for routing out a part of the workpiece, a router table for supporting the workpiece, a router fence arranged and constructed to position the workpiece relative to the router during machining, and a positioning device arranged and constructed to position the router fence relative to the router before machining the workpiece, wherein the router comprises a router collet positioned beneath the router table, the router collet being constructed and arranged to engage a router bit extending through an opening in the router table for machining the piece.

Abstract: A device for determining the distance of a cutting tool, for instance a router bit, relative to a first reference surface or a second reference surface, the second reference surface extending essentially perpendicular to the first reference surface. The device has a central body, a pair of feet mounted to the central body, the feet being spaced apart so as to be able to accommodate between them the cutting tool, and a pointing element slidably arranged relative to the central body. In a horizontal mode of operation, when the feet are placed on or against the first reference surface, the pointing element may be moved relative to the central body to abut the cutting tool for determining the distance between the cutting tool and the first reference surface. At least one of the feet is configured to set the height of the pointer element with respect to the second reference surface.

Abstract: An alignment tool removably attachable to a bit (e.g. a drill bit) for aligning a workpiece to the bit. The tool has a bit grip or a bit clamp which may have a pair of bit grippers, an aligner, which may be a pointer supported by a pointer mount, a stylus or a laser, and a mechanical linkage of the bit grip to the aligner. When the aligner is aligned with a target, a tip of a bit clamped by the bit grip would also be aligned with that target. A first stylus link may be movably connected to a second stylus link at the pointer mount. The first and second stylus links may be pivotally connected to the bit clamp. The bit clamp, the first and second stylus links may cooperate to align a central axis of the pointer with a central axis of the bit.

Abstract: An alignment tool removably attachable to a bit (e.g. a drill bit) for aligning a workpiece to the bit. The tool has a bit grip or a bit clamp which may have a pair of bit grippers, an aligner, which may be a pointer supported by a pointer mount, a stylus or a laser, and a mechanical linkage of the bit grip to the aligner. When the aligner is aligned with a target, a tip of a bit clamped by the bit grip would also be aligned with that target. A first stylus link may be movably connected to a second stylus link at the pointer mount. The first and second stylus links may be pivotally connected to the bit clamp. The bit clamp, the first and second stylus links may cooperate to align a central axis of the pointer with a central axis of the bit.

Abstract: There are provided an expanded hole drilling device, a component for the expanded hole drilling device, and an expanded hole drilling method, capable of expanding the diameter of a previously bored hole to a large diameter without causing decentering. The expanded hole drilling device 10 includes a drill holder 22 that is attached to a drill grasping part 18 in place of a drill 16 and grasps the drill 16, and a centering attachment 24 having a conical tip end part, which is attached to the drill holder 22. The expanded hole drilling method includes a step of arranging a bored workpiece displaceably on a table 14, a step of performing centering by inserting the tip end part of the centering attachment 24 into a bored hole, a step of fixing the centered workpiece on the table 14, and a step of drilling the workpiece to expand the hole by using the drill 16 after the centering attachment 24 has been removed.

Abstract: An electric drill having a function for preventing drilling of unexpected oblique hole. Further in the electric drill, when the direction of drilling is displaced in drilling work using the electric drill, it is sensed automatically to stop the drilling. The electric drill (1) performs drilling in the direction perpendicular a workpiece (7) and have a tilt sensor (10) mounted on a tilt sensor mounting surface (8) defined in parallel to the ground surface. When the rotation axis (C) of the drill positioned perpendicular to the surface of the workpiece is tiled to an angle equal to or greater than a predetermined angle, the tilt sensor (10) senses the tilt shutoff a drive current of the electric drill.

Abstract: An electric drill having a function for preventing drilling of unexpected oblique hole. Further, in the electric drill, when the direction of drilling is displaced in drilling work using the electric drill, it is sensed automatically to stop the drilling. The electric drill (1) performs drilling in the direction perpendicular a workpiece (7) and has a tilt sensor (10) mounted on a tilt sensor mounting surface (8) defined in parallel to the ground surface. When the rotation axis (C) of the drill positioned perpendicular to the surface of the workpiece is tilted to an angle equal to or greater than a predetermined angle, the tilt sensor (10) senses the tilt to shutoff a drive current of the electric drill.

Abstract: A system and methods for locating and drilling determinate assembly (DA) holes using a coordinate measuring device (CMD) are disclosed. A system includes a CMD having a probe tip, a guide element having a reference hole for receiving the probe tip, and a drill bushing having a drill bit guide hole for accurately drilling a DA hole at a target position. Methods for locating and drilling DA holes comprise steps of: calibrating a CMD; inserting a CMD probe into a reference hole of a guide element; positioning the CMD probe and guide element at a target position on a part; maintaining the guide element at the target position; removing the CMD probe from the guide element; inserting a drill bushing into the reference hole of the guide element; and drilling a DA hole in the part, utilizing a drill bit guide hole located in the drill bushing.

Abstract: A router depth adjustment device includes a shaft with a first and a second end, a handle disposed on the first end of the shaft, for rotating the shaft, and a mechanical connection disposed on the second end. The mechanical connection is configured to couple with a corresponding mechanical connection on a depth adjustment shaft of a router. A depth adjustment indexing system includes an adjustment knob slidably mounted on the shaft and an indexer pivotally mounted to the adjustment knob. The adjustment knob and the indexer are capable of pivoting independently and pivoting simultaneously. The adjustment knob is configured such that rotation of the adjustment knob rotates the shaft.

Abstract: A method for determining the position of a milling tool for micro-structuring a substrate relative to a machining head, the machining head including a tool holder securing the milling tool, includes placing the milling tool against a reference surface of the substrate, opening the tool holder to enable an axial mobility of the milling tool relative to the machining head, and moving the machining head relative to the reference surface until a predetermined distance between the machining head and the reference surface is reached.

Abstract: A hole placement guide adapted for marking and/or drilling hole locations at chosen positions in workpieces, and an elongated extension member for attaching to the hole placement guide in numerous positions, such that hole positions interior to the workpiece surface which cannot otherwise be accessed by the present hole placement guide can be marked and/or drilled, are described. The guide includes a marker and/or drill bit guide adapted to slide in a rotatable slot which permits all locations within a circle defined by the rotatable slot to be marked and/or drilled. In use, the present hole placement guide may be positioned at the corner of a drawer or door and the marker and/or drill guide adjusted in the slot to a desired hole position to be marked and/or drilled. The chosen location may then be transferred to other drawers and doors, as examples of workpieces, by positioning the hole placement guide at the same corner of another drawer or door.

Abstract: Disclosed is an alignment tool. A body of the alignment tool fits into a turret block, while a head holds a machine-tool. During the alignment process, the head and body are allowed to move relative to one another in two dimensions perpendicular to an axis of rotation of a spindle. To align the alignment tool, a workpiece is inserted into the spindle. As the workpiece spins, a machine-tool cuts a taper in it. An “empty” alignment tool is brought to bear against the tapered workpiece. The axis of the head of the empty alignment tool, and thus the axis of any machine-tool held by the head, is aligned with the axis of the tapered workpiece and, thus, with the axis of the spindle. Once the machine-tool is aligned with the spindle, the head and body are tightly fastened together to preserve the alignment.

Abstract: A cross tie bracket that is attachable to a rod and a building structural element. The cross tie bracket has a generally cylindrical body sized to receive the rod and a gusset disposed between the body and a base. The base has a series of apertures formed therein for inserting fasteners through the base into the building structural element, temporarily securing the cross tie bracket to the building structural element with screws, and for providing alignment of a temporary drill guide with the base. A first and second end plate are disposed adjacent to each respective end of the cylindrical body. Each of the end plates has a rod aperture sized to receive the rod. Accordingly, by inserting and securing the rod to the end plates, it is possible to attach the rod to the building structural element.

Abstract: A laser alignment device includes a base adapted to be installed in a drilling machine above the worktable of the drilling machine. The base has two through holes, a first laser module mounted in one through hole and operable to emit a first laser beam, a second laser module, which has a laser emitter mounted in the other through hole and operable to emit a second laser beam from its bottom side. The second laser module has a protruding portion extending around the periphery of the laser emitter and engaging the inside wall of the associated through hole to maintain the laser emitter away from the inside wall of the associated through hole Setting devices are mounted in the base and are inserted into one through hole to engage the periphery of the laser emitter of the second laser module.

Abstract: A gauge for use by woodworkers in setting the height of a router bit to make lock miter joints with a router table. The gauge includes a base for upright positioning upon a router table. The base has a bottom plate and a top plate connected by a crosspiece. A gauging arm is pivotally connected to the crosspiece at a pivot point and having a front portion extending forwardly from the pivot point and a rear portion extending rearwardly from the pivot point. A gauging finger extends laterally from the front portion of the gauging arm. A setscrew extends upwardly from the rear portion of the gauging arm to a location below the top plate.

Abstract: A CNC machining center has a table-mounted referencing device having two pedestals, each separately engageable by a tool in a Z-axis drive tool holder to establish a zero reference for vertical machining operations on a work-piece mounted on the table. The first of the pedestals has a relatively soft top so that rapid Z-axis advance of the tool onto the pedestal will not damage the tool tip. A spring load on the pedestal also accommodates limited downward movement from a rest position for the pedestal to operate a Z-axis drive stop switch to further avoid tool damage and to save in the computer controller memory, the height of the tool tip from the table. The second pedestal is provided with a hard top so that when the tool tip is touched on it and moves the hard pedestal to operate the switch 34, the Z-axis drive recorder records in controller memory a number that is precisely related to the height of the tool tip from the table.

Abstract: A gauge for connecting with a power tool and providing a system for determining structural factors of a workpiece to be operated upon by the power tool is provided by the present invention. The gauge including a probe connected with a sensor via a spring, wherein contact by the probe with the workpiece allows a reading by the sensor which may be utilized to determine the proper operational settings of the power tool based on the determined structural factors of the workpiece.

Abstract: A decoration-used mold unit for defining a border on a work piece to facilitate cutting or milling. The mold unit includes an elongated rectangular main body formed with a first window for processing a first sink and a second window for processing a second sink. A first chucking section protrudes from a first side of the main body. A second chucking section protrudes from a second side of the main body. At least one abutting member is adjustably arranged at the second chucking section. The first chucking section and the abutting member respectively abut against two opposite sides of the work piece to clamp the work piece. In the processing procedure, the blade is restricted within the first and second windows so that the work piece will not be over-milled and the borders of the sinks keep straight.

Abstract: For determining a depth of drilling in objects a path over which a resistance is measured which is produced by an object to be processed counteracts a processing tool during its advance movement, and the measured path is used for determination of a depth of drilling in the object.

Abstract: The invention is directed to a guide for a power saw or router of the type having a blade and a housing wider than the blade which directly overlies the blade during the cutting operation. The guide includes a guide bar having a straight outer edge configured for guiding a peripheral edge of the saw housing and a gauge device. The gauge device includes an elongated holder and a light beam projector mounted on the holder for projecting a beam of light at an angle relative to a lengthwise axis of the holder. In this respect, the light beam projector is mounted on the holder for projecting a beam of light at a right angle relative to a lengthwise axis of the holder such that the beam of light is parallel to the straight outer edge of the guide bar. The light beam projector is preferably a laser.

Abstract: In an integrated cutting and tapping tool, a part in the form of a strip is held on a strip support with a hole facing a tap carried by a tapping tool. The bottom dead center point of the tap is detected by a feeler associated with a multiplier lever pivoting about a transverse shaft and pulling on a transmission cable whose free end is detected by position detection means. In this way the position detection means may be moved out of the tool platen, so that the plunger and the multiplier lever constitute an assembly that is easy to integrate under the tapping area. The machining of defective tappings is detected in this way.

Abstract: The Invention is an apparatus for squaring a spindle of a machine tool with a work holding surface. A shank is adapted to be connected to the spindle. The shank has a shank axis and is attached to a body. The body has a lower side from which depends a reference point. The reference point defines a measurement plane perpendicular to the shank axis. A first gauge having a spaced-apart relation to the reference point has a range of measurement that intersects the measurement plane. The range of measurement falls on a measurement axis parallel to the shank axis.

Abstract: A gauge for measuring the extent of alteration in the level of carriage on which a power tool such as a router or saw is mounted. The carriage is mounted beneath a working surface on which a piece of work is placed. The cutting implement of the power tool such as a bit or blade projects through an opening in the working surface and terminates above the surface. The carriage may be raised and lowered and the gauge records any movement of the carriage. A clutch allows the gauge to be manually adjusted without affecting the level of the carriage. A hollow chamber is mounted beneath the working surface and through which the cutting implement extends. Air within the chamber is evacuated in order to create a vacuum for withdrawing debris resulting from the cutting of the work piece from the area where cutting takes place.

Abstract: For determining a depth of drilling in objects a path over which a resistance is measured which is produced by an object to be processed counteracts a processing tool during its advance movement, and the measured path is used for determination of a depth of drilling in the object.

Abstract: A jig assembly for use with work piece and a hand-held power tool having a cutting bit includes a first member and at least one insert. The first member has a first opening and is configured to be positioned adjacent a first side of the work piece. The at least one insert is configured to fit within the first opening in the first member and includes a second opening. At least one of the first opening and second opening is configured to allow a portion of the hand-held power tool to pass therethrough to contact the work piece and to act as a guide for the hand-held power tool as it removes material from the work piece.

Abstract: A system, apparatus, and method for spacing and aligning flutes to be routed in a workpiece is disclosed. The system includes a flute-spacing jig with spaced alignment holes, a workpiece aligner, and a fence guide. Additionally, the system can include a T-square with adjustable stop-blocks.

Abstract: A tool for making locking tapered sliding dovetail joints and a kit including the tool. The tool includes a pin guide having a minor end having a minor width and a major end having a major width that is larger than the minor width such that the template has a taper in width from the major end to the minor end. The tool also includes a locking section configured such that the tool forms an area of increased friction in the joint relative to the rest of the joint. The tool may also include at least one stabilizing member for holding the template in place while the sliding dovetail pin is being formed from the workpiece.

Abstract: A tool for making locking tapered sliding dovetail joints and a kit including the tool. The tool includes a guide plate having a guide groove including a locking section disposed on at least one of edges of the groove guide, wherein at least a portion of the locking section is disposed in a plane that is different from the plane of the groove edge corresponding to the groove edge on which the locking section is located.

Abstract: A method and apparatus is disclosed for measuring and setting perpendicularity between the tool holding spindle and work surface of a machine tool. The device is a fixture comprised either in one piece or multiple assembled components of the following: a shaft or shank used to mount the device into the spindle of the machine, and a body having a reference plane perpendicular to the shaft to provide reference readings with platform or nesting features for secure mounting of two precision gauges arranged along one axis.

Abstract: An apparatus for indicating alignment between a work surface of a work piece includes a base having three switches that contacts the work surface. The switches each activate a respective visual indicator to indicate when a desired alignment condition is present.

Abstract: A tool for making tapered sliding dovetail joints. The tool includes a guide plate having a guide groove and a stabilizing member for holding the guide plate to a workpiece while in use. The pin guide has a minor end having a minor width and a major end having a major width that is larger than the minor width such that the template has a taper in width from the major end to the minor end. The pin guide also includes at least one stabilizing member for holding the template in place while the sliding dovetail pin is being formed from the workpiece.

Abstract: A tool for making locking tapered sliding dovetail joints and a kit including the tool. The tool includes a guide plate having a guide groove including a locking section disposed on at least one of edges of the groove guide, wherein at least a portion of the locking section is disposed in a plane that is different from the plane of the groove edge corresponding to the groove edge on which the locking section is located.

Abstract: A tool for making locking tapered sliding dovetail joints and a kit including the tool. The tool includes a pin guide having a minor end having a minor width and a major end having a major width that is larger than the minor width such that the template has a taper in width from the major end to the minor end. The tool also includes a locking section configured such that the tool forms an area of increased friction in the joint relative to the rest of the joint. The tool may also include at least one stabilizing member for holding the template in place while the sliding dovetail pin is being formed from the workpiece.

Abstract: A precise adjustment indicator holder in which a position indicator is carried with respect to a work tool and a work piece. The indicator holder connects to the quill of the work tool, such as a machine tool, or other supporting device and is comprised of a pair of arms which are pivotally connected to one another and movable in planes parallel to and relative to one another. The arms are provided with abutments to limit the degree of movement such that precise final adjustment of the positioning of the work tool can be achieved.

Abstract: A method and apparatus is disclosed for measuring and setting perpendicularity between the tool holding spindle and work surface of a machine tool. The device is a fixture comprised either in one piece or multiple assembled components of the following: a shaft or shank used to mount the device into the spindle of the machine, and a body having a reference plane perpendicular to the shaft to provide reference readings with platform or nesting features for secure mounting of two precision gauges arranged along one axis.