Abstract: An improved quick release chuck mechanism is disclosed mountable on a spindle for releasably holding a tool or the like. The chuck mechanism comprises a body member having an end surface. A tool insert having a shoulder is supported by the body member. The end surface is provided with an adjustment for varying the position of the end surface for achieving a predetermined end surface position while mounted on the spindle. The tool insert is releasably held in the body member by an improved locking mechanism that positively forces the shoulder into engagement with the end surface. The improved chuck mechanisms, when mounted on multiple head spindles, provide a method for compensating for tolerance differences that exist between the spindles to achieve identical predetermined end surface positions for the spindles.

Abstract: An intelligent tool system used with computer numerical controlled machining centers consisting of an internal spindle machanism and a variety of spindle mounted devices.The spindle mechanism provides CNC communicating and operating means with spindle mounted devices such as; telescoping tool holders for determining work surface locating with random length tools and for sensing tool condition; automatic boring tools for high precision boring and contouring; probing devices for work surface location, measurement and definintion; combination boring and probing tools for boring and measuring a hole without removing the tool from the spindle.

Abstract: A centering and chucking system for fixing an interchangeable element to a carrier body. The carrier body is provided with guide elements whose guide surfaces are arranged along a coordinate system through the center of which extends the reference axis, e.g. the axis of a spindle. Due to the arrangement of two centering means along one axis of the coordinate system and of at least another centering means along the other axis, the reference axes of both parts are not displaced relative to each other by changes of temperature. Although the centering means are provided outside the reference axis, the system in said reference axis is determined by them.

Abstract: A cutting depth adjustment mechanism for a router having a nut engaged on a guide bolt for adjusting the depth of cut. Cutting depth can be coursely adjusted without rotation of the guide bolt relative to the adjusting nut. This can be accomplished by either disengaging the adjusting nut from the guide bolt or by releasing the adjusting nut from the main body member and sliding the nut along a longitudinally formed slot in the main body member.

Abstract: A probe having a stylus spindle mounted in a machine tool for locating an object in relation to the stylus measurable along two axis perpendicular to the centerline of the stylus or in the plus and minus direction parallel to the center line of the stylus. The probe provides a discreet signal on contact or a signal level proportional to deflection of the stylus through interfacing with the machine computer numerical control by a machine mounted transducer unit.

Abstract: Disclosed is an edged tool positioning device which is fixed to the quill of a machine tool for permitting the edged tool to reach a desired X- and Y-coordinate position on a workpiece and for permitting the edged tool thus put at the desired X- and Y-coordinate position to advance a desired distance in the thickness of the workpiece in the Z-direction. Every time the device is brought in contact with at least one selected side and upper surface of the workpiece, a warning unit built in the device informs a worker of the contact by the device with the workpiece, thus permitting him to find a start position and measure a desired distance in each direction.

Abstract: A thread gage for use with a threading machine for automatically and quickly gaging a thread after it is formed. A stylus support is mounted on the machine turret for placement of the stylus in position for movement axially of the thread to follow the thread contour. The stylus is connected to a transducer. The machine computer control may be programmed to receive signals from the transducer indicative of radial position of the stylus tip and signals relative to axial position of the turret indicative of axial position of the stylus tip to form a digital model of the thread which may then be compared to a standard thread and/or used to make adaptive threading machine offsets.

Abstract: An apparatus and method are provided for on-line measurement of a lathe cing tool position using a measuring head with a rotatable square plate engaged with three cylindrical plungers and a positioning mechanism for pivoting the measuring head. The positioning mechanism includes a movable member mounted on a base on the lathe headstock and a rotating unit for rotating the movable member about an axis. A stop member is provided to stop the movable member at a locating position. The measuring head includes a square plate supported inside a housing and rotatable about a y-axis therein. The plungers extend into the housing to contact the plate near its corners. In response to a force applied by a cutting tool mounted in a turret, the plungers move respectively in +x, -x, -z directions relative to the housing to cause the square plate to rotate correspondingly.

Abstract: A drilling attachment for use with a machine tool that rotates a workpiece in which the drilling apparatus is moved into an operative position to the workpiece by means of the machine tool slide and is rotated with the workpiece so that a drilling member associated with the rotating drilling apparatus is caused to rotate and to enter the workpiece while the same is rotating. The drive means for rotating the drill collet includes an idler gear which allows a greater work area between the rotating portion of said drill attachment and the drill collet on the drill attachment.

Abstract: A staircase stringer fabricating apparatus includes a structural machine frame having a carriage moveably mounted with respect to the frame for supporting an elongated stringer work piece. A track mounted upon the structural frame defines a guide for the carriage so that the carriage can move on a controlled path with respect to the frame. Material working stations, such as wood routers, welding torches or the like are spaced upon the machine frame for simultaneously preparing the work piece with selectively spaced apart tread assembly positions that define the horizontal stair step positions (including the spacing and angular positions) upon the stringer during use. The tread positions are preferably formed responsive to the movement of the carriage and work piece upon the track along the controlled path so that the work stations traverse the work piece.

Abstract: A centering tool for use in a chuck or collet of a drill press or milling machine enables positioning of a round or cylindrical workpiece such that its axis is precisely positioned to intersect the axis of rotation of the machine. The tool enables the efficient drilling of a hole through a cylindrical bar, perpendicular to the axis of the bar, for example. A cylindrical shank of the tool is adapted for insertion into the chuck or collet, and a centering body affixed to the shank has a generally V-shaped centering notch symmetrical about the shank's axis and having an apex line crossing the shank's axis.

Abstract: A cutting device and method for the precision trimming of a selected portion of the peripheral edge of a cast lens secured on the external surface of a male mold independent of any eccentricity that may exist between the opening defined in the mold and the outer diameter of the mold.

Abstract: A hone stop assembly for use with a honing tool in reconditioning the cylinder bores of an internal combustion engine block. The assembly includes a frame mountable to an engine block, a disk-shaped hone stop, and suitable adjustable connections from the hone stop to the frame to allow the stop to be selectively positioned adjacent to an end of a cylinder bore. A honing tool inserted from the other end of the cylinder bore will contact the hone stop rather than any engine castings adjacent to the end of the cylinder, preventing damage to the honing stones and facilitating accurate reconditioning of the cylinder walls while reducing the tendency of the mechanic to taper the cylinder walls.

Abstract: A gauge is mountable upon the tailstock of a horizontal milling machine with one end of a pivotal angle arm engageable with a cutting tool and the other end thereof cooperating with calibrations on the base of the gauge to indicate alignment or misalignment of a cutter plane and a work plane so that proper alignment thereof may be effected by use of the device.

Abstract: A boring bar and associated measuring gage device, according to the invention, includes a gaging surface on the measuring gage device that is engagable with a gaging surface on the boring bar. By such engagement, a measuring surface on the measuring gage device remains perpendicular to a reference plane defined by the cutting tip of the boring bar's cutting tool and the rotational center line of the boring bar, thereby substantially assuring accurate measuring, gaging, or positioning of the radial position of the cutting tip. Preferably, attachment means are provided for releasably fixing the measuring means to the boring bar in order to maintain such engagement of the gaging surfaces during such measuring, gaging or positioning of the cutting tool.

Abstract: What is proposed is a drilling attachment for use with a machine tool that rotates a workpiece in which the drilling apparatus is moved into an operative position to the workpiece by means of the machine tool slide and is rotated with the workpiece so that a drilling member associated with the rotating drilling apparatus is caused to rotate and to enter the workpiece while the same is rotating.

Abstract: Multispindle-automatic turret lathe comprising a spindle support which is rotatable about a central switching or indexing axis and in which are rotatably mounted a number of work spindles each defining one switching or indexing station of the spindle support.In order to enable the tools which are fitted on the turret being precisely measured in that position thereof in which the tools are required to work a measuring station is provided on the spindle support in like geometrical relation to the indexing axis as the workspindles, said measuring station defining a further switching or indexing station of the spindle support.

Abstract: A tooling plate for a circuit board drill wherein the locating apertures for the circuit board is located in the plate by the drill. A bushing cavity is provided in the tooling plate at the approximate desired position. An inner bushing having the locating aperture is laterally moveable in the cavity and an alignment pin in the drill chuck is positioned over the inner bushing at the desired location. The inner bushing is laterally adjusted to enable insertion of the alignment pin in the aperture. While being held in the desired position, a lock ring forces a clamping washer against the inner bushing to lock that position of the inner bushing member within the cavity.

Abstract: A motor driven apparatus for performing secondary or auxiliary functions such as cutting slots, chamfering, milling flats, removing protrusions and the like. The apparatus comprises a motor having a multiplicity of cutting tools mounted to the shaft, a box like housing covering the shaft and tools, guides incorporated into the construction of the top and three sides of the housing, and the guides serve to position and guide work pieces into the cutters to perform common auxiliary or secondary operations on work pieces.

Abstract: The present invention is directed to machining reforming apparatus for machining electrodes of a resistance welding device. The apparatus comprises a body having an insertion portion for receiving at least one electrode and at least one rotary cutter, the cutter having a cutter portion adapted to extend along a peripheral inclined surface on a front portion of an electrode. A receiving base member is positioned within the body on the axis of rotation of the rotary cutter, wherein the receiving base member is adapted to abut a front end surface of an electrode. The cutter portions are biased radially inward towards an electrode, the biasing device maintaining proper contact between the edge of the cutter and the electrode.

Abstract: The subject matter of the present invention is a dividing apparatus or indexing attachment for a program controlled machine tool, comprising a housing (1) including clamping means (3, 4) for attachment to a machine part, a dividing spindle (5) mounted within the housing (1) and including a work holder (8, 9) and a clamping assembly (15), and a spindle drive means including a reduction gearing, in which for achieving fully automatic sequences of operation in the manufacture of various workpieces, an opto-electronic angle measuring unit (24) and a releasable clamping means (31 to 36) are associated with the dividing spindle (5), wherein the reduction gearing includes two cylindrical gears (29, 30) having parallel axes and jointly meshing with a pinion (27) mounted on the motor shaft and further includes two pinions (46, 47) mounted on the intermediate shafts (40, 41) of said cylindrical gears, the two latter pinions meshing with the spindle drive gear (10).

Abstract: The spindle can be rotated by way of a set wheel, and thus displaced within the spindle guide. At the end of this displacement, the spindle butts against one of the set screws of a turret stop provided on the rest plate. The spindle can be locked to the respective set screw by way of a swing extension. The spindle may be hollow to pass therethrough a tool and finely adjust the set screw already locked to the spindle.

Abstract: A portable electric router conventional in its overall structure is disclosed which includes a locking system comprising a locking pin located in the motor housing and adapted to move in a direction perpendicular to and into locking engagement with the guide bar, and a locking lever pivotally disposed adjacent a grip of the motor housing and operative to axially move the locking pin. The locking lever is adapted to pivot toward the grip to thereby press the locking pin against the guide bar.

Abstract: The improved dwell and depth attachment includes an elongate housing that is attached to a drill motor and has an output shaft that is movable longitudinally and rotatably in the housing for rotating a drill bit. A drive spindle is connected with the output shaft and extends through the housing. An elongated sleeve encircles the spindle and has an end that is engageable with the work piece. An adjustable depth control located within the housing is connected for movement with the spindle. A first portion of the control includes a threaded interior and has ten circumferentially spaced, radially extending holes therein. The control also includes a second portion that has a threaded exterior mating with the first portion and has ten slots equally spaced about the exterior. A stop screw or the like is removably located in one of the radial extending holes in engagement with the second portion.

Abstract: A multipurpose apparatus for drilling, engraving and carving ophthalmic lenses. The apparatus comprises a base in which is mounted an electrical motor, and a tool holder is connected to the shaft of the motor for detachably mounting a drilling, engraving or carving end mill above the upper surface of the base. A working support is also mounted on the upper surface of the base for maintaining and supporting the lenses in the various positions in which they must stand in order to be easily drilled, engraved or carved. The working support comprises a platform detachably mounted onto the upper surface of the base, and a guide holder rigidly mounted onto the platform in parallel relationship with respect to the tool holder. The support also comprises a L-shaped tube having one end fitted into a central hole provided in the platform for giving room to the tool holder, and the other end connected to the guide holder.

Abstract: To set the proper location of a cutting bit, an optical scanner directs an optical beam toward a screen. The scanner is mounted on a base frame. The cutting bit is mounted on a cutting head holder which is, in turn, mounted on a support stage, the latter being vertically adjustable on the base frame. The cutting head holder is adjustable relative to the support stage and the measuring point. The support stage carries three support bodies for the rear side of the cutter head holder.

Abstract: A cutting or drilling apparatus comprises a body member adapted to be fixed to the chuck of a driving means for driving the apparatus into rotational movement. The body member receives the cutting or drilling tool at one front side thereof and is equipped with a coaxially arranged sleeve member, which is slidably and rotatably connected thereto. First, stop means limit sliding and rotational movement and second, locking means block sliding and rotational movement of the sleeve member. A scale on the sleeve member indicates the amount of axial displacement thereof relative to the body member. The apparatus is especially suitable for use with a conical sheet metal drilling tool.

Abstract: This quill stop device is designed to replace the old-type quill stop devices used on milling and other machines, such as drill presses. Primarily, it consists of a threaded shaft, having a ring with a cut-out opening in its side, so as to be placed quickly and removed on the machine, for setting depth limits, and the ring is made of nylon material, so as to engage the threads of the shaft frictionally at all times.

Abstract: The invention defines a boundary in space and optically determines the crossing of it by an object and at the time of crossing measures the distance between a point located on the object and the boundary. More particularly, the invention establishes the boundary with respect to an amount of light eclipsed in a light beam positioned in space. In one embodiment, an examination zone containing the boundary is illuminated by two light beams, one of which is produced by inverting and reflecting the other after the other passes through the examination zone with the result that the rate of change in light intensity which occurs during the eclipsing is greater than that in the case of a single beam.

Abstract: A pair of spaced holes (32 and 34) are drilled in a substrate blank (10) diametrically along a line (14) defining a future locating edge (22) of a printed circuit board (12). When the substrate blank (10) is then sheared to form the printed circuit board (12), semi-circular recesses (38 and 40) are formed from the spaced holes (32 and 34) in the resultant board locating edge (22). The printed circuit board (12) then is accurately aligned in a processing station in X- and Y-directions by seating board-locating pins (50 and 52) of special configurations in respective ones of the semi-circular recesses (38 and 40).

Abstract: A boring bar adjusting mechanism for automatically correcting an offsize boring cutter. The mechanism includes a measuring gauge and an adjustable boring bar, each mounted in separate tool holders and each stored in the tool storage magazine. The measuring gauge is transferred to the spindle by the machine tool transfer mechanism after a conventional boring operation is completed to measure the work-piece bore. If the bore is inaccurate, the measuring gauge is removed and the boring bar, is loaded into the spindle. The cutting element of the boring bar is adjusted automatically by an adjusting mechanism in response to the bore size measured by the measuring head so that it will machine an accurate bore.

Abstract: The improved dwell and depth attachment includes an elongate housing that is attached to a drill motor and has an output shaft that is movable longitudinally and rotatably in the housing for rotating a drill bit. A drive spindle is connected with the output shaft and extends through the housing. An elongated sleeve encircles the spindle and has an end that is engageable with the work piece. An adjustable depth control located within the housing is connected for movement with the spindle. A first portion of the control includes a threaded interior and has ten circumferentially spaced, radially extending holes therein. The control also includes a second portion that has a threaded exterior mating with the first portion and has ten slots equally spaced about the exterior. The threads are selected to be loose fitting so that the portions of the control can "float" relative to each other.

Abstract: A tool or machine in which the relative position of two components is adjustable has setting means operable in a first mode to set the two components approximately to a desired setting and in a second mode to adjust the approximate setting accurately to a required setting. A tool for routing has a base plate and a depth stop comprising a post extending upwardly from the base plate, a first collar movable along the post, a screw thread on the outer surface of the first collar, and a second collar whose bore is screw-threaded screwed over the first collar. The post includes a surface in the form of a toothed rack, the first collar has a bore one portion of whose surface is formed to engage one or more teeth on the rack to lock the first collar in a selected one of a number of predetermined positions along the post and a spring resiliently biases the first collar into engagement with the toothed rack. A scale operating with a fiducial mark is provided.

Abstract: A machine tool includes a tool holder supporting a cutting tool and receivable in a tool spindle. A device is provided in the tool holder to be engageable with a work table for adjusting the radial position of the cutting tool by utilizing the relative movement between the tool spindle and the work table. A contact detecting device detects the contact between the work table and the adjusting device. Relative movement between the tool spindle and the work table is caused to adjust the radial position of the cutting tool after the contact between the work table and the adjusting device is detected.

Abstract: An instrument for aligning the spindle of a vertical milling machine perpendicular to the milling machine table or work surface. The instrument comprises a first right circular cylinder member that is coaxially attached to the machine spindle about a first axis. This is typically accomplished with the use of a spindle collet. A second pivotal member contains that portion of the first member protruding from the spindle collet. The second member allows rotational and axial freedom of the first member, and the first member is so contained that radial clearance between the first and second member is held to be negligible. The second member is constructed to provide for pivotal attachment to a third or main frame member about a second axis which is orthogonal but not necessarily coplanar with the first axis. The third member has provision for contact with the milling machine table at two points that define a third axis which is orthogonal but not necessarily coplanar with the second axis.

Abstract: A multi-stop depth control for a milling machine is disclosed which includes a fixed member connected to the milling machine frame having a rotatable wheel mounted thereon. The wheel carries a plurality of stop posts each with a stop member. Each stop is engageable with a through bore of a movable part of the milling machine which is connected to the movable quill thereof. By rotating a selected one of the posts into alignment with the movable part of the milling machine a selected depth of movement for the movable part of the milling machine is established.

Abstract: A tool setting device for a machine tool (10) having a numerical control (22) includes a gage unit (24) with a frame (26) adapted to be secured upon a slide (20) of the machine tool. A photodetector, which includes a source (96) and a receiver (98), is mounted upon the frame for generating a first signal indicating the arrival of the tip of a tool (18). A slide (64) mounted upon the frame carries an engagement head (38) adapted to be contacted and displaced by the tool tip. An LVDT (60) is mounted upon the frame in proximity to the engagement head for sensing its axial displacements. A control meter relay (86,88) is operatively connected to the LVDT and generates a second signal after initial displacement of the engagement head and a third signal after displacement of the engagement head to a reference position.

Abstract: The present disclosure teaches a process and related apparatus for longitudinal adjustment of tools for individual working spindles of a multiple-spindle automatically controlled machine tool. The tools introduced into the working spindles in the direction of their lengths to be adjusted are run in rapid advance in all cases against a measuring device which, on reaching a predetermined distance from the working part reference point, produces a first signal in which the rapid advances of the working spindles are switched off individually. The first signal from the measuring device finally reached by the tool involved switches on crawling speeds for all working spindles. The spindles are switched off individually on reaching the working-part reference points in all cases by a second signal from the measuring devices.

Abstract: A device in the form of a split clamp star wheel adapted to be clamped on the spindle carrier extension of a multiple spindle automatic bar machine in a predetermined axial location with respect to the spindle drum face and having at the points of the radiating arms thereof laterally pre-adjusted screws coaxially aligned with the axes of the respective spindles, the holders for the end cutting tools being longitudinally adjustably clamped in the respective end cutting tool slides (or auxiliary slides thereon) when the ends of the respective tools are engaged with the ends of the laterally pre-adjusted screws.

Abstract: A device for controlling and positioning a carriage in a tool machine, in particular the feed carriage on a gear hobbing machine. The device utilizes cams oriented one after the other and which operate a plurality of switches to control the advance of the carriage. The end position of the carriage which is controlled by a control switch is determined by two cam carriages. The first cam carriage is positionable with a rough or coarse adjustment relative to the machine frame and the second cam carriage is finely adjustable relative to the first cam carriage. The cam carriages carry the aforementioned cams to effect a control of the movement of the feed carriage path adjacent the workpiece.

Abstract: Snap-on holders adapted to be attached to a head portion of a machine for supporting an indicator include a body member composed of a stiff resilient plastic material and having a pair of spaced-apart prongs adapted to spread apart and to snap into snug-gripping engagement with the head portion of the machine to be supported by and to extend therefrom. The prongs of the body member have a generally semi-circular arcuate surface extending for more than 180.degree. to contact the head portion of the machine through a continuous line of engagement. The body member has a portion extending laterally from the prongs, and an aperture therein is adapted to receive rotatably therein for supporting purposes the indicator. A second snap-on holder is received in snug-gripping engagement with the prongs and is held in place by the head portion of the machine.

Abstract: An accessory is provided for use with routing apparatus to facilitate the routing of arcuate designs in cabinet doors and similar panels. The routing apparatus is of the type in which a router is mounted on the end of a bar for extension over a panel to be routed and in which the router can be moved in any direction in a plane parallel to the panel by reason of the bar being mounted in a carrier for longitudinal movement in one dimension of the panel, and the carrier being mounted for movement parallel to the other dimension of the panel. The accessory comprises a radius arm which may be adjustably connected at one end to the bar and is slidably mounted in a pivot block mounted for movement in the same direction as the carriage. An adjustable stop on the radius arm limits its longitudinal movement and an adjustable stop limits movement of the pivot block whereby the router can be guided in a preselected curved path by causing the radius arm to pivot around the pivot block.

Abstract: A chamfering apparatus for use in machining corner breaks of work pieces and including a base member establishing a horizontal support surface, a guide block mounted on the base member and forming a guide surface substantially normal to the horizontal support surface such that a trim slot is formed about he intersection of the plane of the horizontal support surface and the plane of the frontal vertical guide surface; a circular cutting member having an axis of rotation parallel with the axis of the trim slot positioned about the base member with the outer peripheral edge of the cutting member extending within the trim slot such that the edge of a work piece may be chamfered as it is moved along the trim slot while in abutting relationship to the horizontal support surface and frontal vertical guide surface.