Abstract: A tool storage magazine of the type wherein a plurality of tool sockets each for removably storing a cutting tool therein are pivotably carried on an indexable element is provided with an engaging member moved by a hydraulic cylinder for pivoting each tool socket at a tool taking out position from a horizontal position to a vertical position through engagement with a pair of engaging rollers which are rotatably supported by each tool socket and located outside the side faces of each tool socket. The magazine is further provided with a locking mechanism which prevents a holding plunger of any tool socket indexed to the tool taking out position from being disengaged from a tool received in the tool socket until the tool socket is pivoted to its vertical position.

Abstract: A contact detecting apparatus for detecting the contact of a workpiece and a tool which comprises a coil mounted on the periphery of a spindle head and connected to an AC power source for generating an induced current in a first looped secondary circuit formed by the workpiece, a work table, a machine bed, a column, a spindle head, a tool spindle and a tool in the tool spindle when the workpiece and the tool are moved relatively into contact with each other, and a second looped secondary circuit formed by a tool change device, the tool, the tool spindle and the spindle head when a tool change operation is performed. A detector is connected between the AC power source and the coil for detecting a change in an electrical signal caused by contact between the workpiece and the tool or contact between the tool change device and the tool to output a contact detecting signal. Another detector is provided to detect that a contact detecting signal is not generated, even if a tool change operation has been performed.

Abstract: A remotely controlled tool for working inside a steam generator hemispherical head on tubes and tube holes and moving along orthogonal x and y axes to conform to the tube layout pattern in the tubesheet.

Abstract: A multiple work station machine tool turret has a highly responsive sensing control assembly which is free of environmental constraints and provides a distinct signal for each work station position correlatable with work station command data from a programmer.

Abstract: An indexable revolving turret has a rotary tool carrier which is movable to a plurality of angularly spaced indexed positions, and an indexing shaft which is connected with the tool carrier for indexing the same to the respective ones of these positions. Cooperating spur gears are provided on the tool carrier and on the housing and become disengaged preliminarily to indexing of the tool carrier. A control shaft is driven by a drive so as to be rotated by the same and transmits motion to a Maltese-cross drive, an input member of which is mounted on and rotatable with the control shaft. The indexing shaft can be moved axially of itself, thereby moving the tool carrier into and out of indexing position, and for this purpose a cam drum is mounted on the control shaft and the cam follower slides in a cam groove of the cam drum and is connected with the indexing shaft so as to move the same into and out of an indexing position, depending upon the angular position of the cam drum.

Abstract: A tool exchanger wherein an exchange arm fixed on one end of a rotatable and axially slidable shaft is formed with a pair of semi-circular openings at opposite ends thereof. A pair of gripping plungers slidably received in the exchange arm are spring-biased toward opposite ends of the arm for gripping tools held in the semi-circular openings. A pair of guided pins are protruded respectively from the gripping plungers. A cam engageable with the guided pins is disposed in position to inwardly retract either of the gripping plungers which approaches a tool socket of a tool magazine, against the force of an associated bias spring, when the exchange arm is pivoted from a parked position toward a grip position for gripping tools received respectively in a machine tool spindle and the tool socket.

Abstract: A turret head for a lathe has an axis about which it can be rotated, the axis being in use inclined at about 45.degree. to the axis of a spindle of the lathe. The head has a plurality of pairs of tool mounting surfaces, the pairs being spaced around the axis of the turrent head. The surfaces of each pair are substantially mutually perpendicular, and arranged so that one is perpendicular to the axis of the spindle, and the other parallel thereto, when the pair is brought to a working location by indexing the turret head about its axis.

Abstract: A tool storage magazine of the type wherein a circulatable endless chain pivotably carries a plurality of tool storage sockets is provided with a cradle member adapted to carry thereon any of the tool sockets indexed to an exchange position and a mechanism for pivoting the cradle member between horizontal and vertical positions. The magazine is further provided with a locking mechanism which prevents a holding plunger of any tool socket indexed to the exchange position from being disengaged from a tool received in the tool socket until the cradle member is pivoted to the vicinity of the vertical position so that the dropping of a tool from an associated tool socket is reliably prevented during pivotal movement of the cradle member.

Abstract: A machine tool comprises a main support with a machine stand on the main support carrying a headstock alongside a workbench which is mounted advantageously for movement toward and away from the headstock. The construction includes a tool magazine support mounted on the main support and the tool magazine and the headstock are mounted for relative movement in two distinct planes. In addition, the tool magazine carries a rotatable tool magazine disk having a plurality of recesses in its periphery each of which accommodates a tool carrier. The tool magazine disk is supported by the rotation in a third plane distinct from the first and second planes, and cam means are provided between the tool carrier and the tool magazine disk which are effective to lock the carrier to the disk and/or to the headstock in accordance with whether the tool carrier with the tool is to be inserted on the headstock or to be stored in the tool carrier disk.

Abstract: An automatic tool changing device comprises the head of a machining center and a drum vertically movably mounted on the outer end of the head, and rotatably arranged around a center shaft which is projected from the central portion of the drum to slant downwardly are a large number of arms each having an arbor holding portion at the forward end and formed in a predetermined position on the central back surface with an elongated groove adapted for engagement with a geneva drive pin, whereby when one of the arms is engaged with a main shaft or spindle in the head, the remaining arms are continuously arranged on each side of the engaged arm above a position spaced by a predetermined angle therefrom.

Abstract: A slitter with a plurality of slitter heads mounted on a turntable to allow rotation of the heads. Each slitter head is adapted to be joined to a motor drive by means of an interconnecting arbor end portion which extends from the outboard bearing of the slitting head.

Abstract: The turret machine tool comprises a set of tool spindles which are driven via a built-in transmission gears by a direct current motor having a relatively stable torque in a wide range of rotational speeds such as a multiple direct current motor having permanent magnetic field and further including means for electrically controlling the speed of the motor according to a predetermined numerically controlled program.

Abstract: A machine for perforating workpieces, particularly corrugated plastic drain pipe or tile, to produce holes using drills is described. Multiple drills are radially mounted on a guide wheel so that the individual drills are sequentially extendable from the periphery of the guide wheel into the workpiece as the guide wheel rotates against a surface of the workpiece. A motor rotates a drive disc which as the guide wheel rotates sequentially contacts a cylindrical bushing on each drill to extend and rotate the drill into the work surface to create a perforation or hole and the drill is then extracted from the perforation by the rotation of the guide wheel.

Abstract: A replaceable gang head machine tool unit having a driving motor, the unit being mounted on a slide table arranged to be driven and advance in a given direction wherein: there is provided an annular rail comprising a rear stationary rail and a front movable rail disposed on a machine base, a plurality of gang heads disposed around the annular rail and supported thereon, the plurality of gang heads being arranged to be rotated on the annular rail by an index table to permit any desired gang head to be selected therefrom on the movable rail. When the working unit is in a retreated position in the machine base, the selected head on the movable rail may be joined to the unit for travel therewith together with the movable rail.

Abstract: A power tool includes a turret rotatably mounted on a hub, a first shaft rotatably mounted in the hub and a second shaft mounted for rotation in the turret and for aligned rotating engagement with the first shaft in the hub. A sleeve is provided in the hub for limiting wear between the rotating shafts in the hub and for enhancing alignment between the shafts. Means are provided for venting between the first and second shafts.

Abstract: There is disclosed herein an improved tool holder/adapter for use in a mechanical and automatic machine tool. The machine tool includes: (1) a drive spindle; and (2) a rotary turret for releasably storing a plurality of tool holder/adapters. Each holder/adapter is secured to the turret by a set of radially movable locking pins which are cammed to a radially outward position. There is also provided a set of axially movable travel limit stop pins for cooperation in maintaining the locking pins in a radially outward position. The travel limit stop pins cooperate with the spindle for releasing the locking pins and permitting them to move radially inwardly so as to release the tool holder/adapter from the turret. The stop pin construction and location combine to provide both positive and blocking engagement between the lock pin and stop pin so as to prevent unintentional inward movement of the lock pin and possible unintentional holder/adapter-turret disengagement.

Abstract: There is disclosed herein an improved machine tool holder/adapter and drive spindle nose. The drive spindle nose is tapered and includes a circumferential locking groove. The tool holder/adapter includes a tapered central recess for receiving said spindle nose and a plurality of radially movable lock pins. Biasing means are provided for direct coaction with the lock pin means so as to urge the lock pins in an outward direction. The length of the pins, the size of the spindle nose and the diameter of the circumferential groove are selected so as to prevent the spindle nose from striking the lock pins as the spindle nose moves into the tool holder/adapter for lockingly engaging said tool holder/adapter.

Abstract: Tire building apparatus for building complete uncured tires includes a triad of orthogonally oriented tire building drums mounted on a turret rotatable about an axis inclined at an angle of between 35 and 36 degrees with respect to a horizontal plane. Each of the drums occupies successively two tire fabricating stations wherein the respective drums are oriented horizontally and a third station wherein the building drums successively occupying such third station are oriented vertically and from which completed tires fabricated in the apparatus can be removed vertically and at an elevation above the two fabricating stations so as to eliminate completely interference between the movements of tire building material coming to the machine and of the completed tires removed from the machine.

Abstract: A machine for performing cutting operations on a workpiece has a rotatable carrier with several releasable processing heads which have rotatable spindles to hold cutting tools. A carrier drive mechanism is mounted on the machine to drive the carrier until a selected one of the heads is adjacent a spindle drive at the work station. The carrier drive has a crank on a rotatable shaft and a slidable plate with a recess to engage the crank to lock the carrier drive in an accurately predetermined position. The spindle drive has a hook and sliding plate mechanism to connect the selected head to the spindle drive. A latch device for releasably holding each head to the carrier is also disclosed.

Abstract: An automatic turret lathe has a main and a supplementary tool-carrying turret both being jointly movable in longitudinal and transverse directions with the turrets being indexable about an indexing axis. The supplementary turret is of smaller diameter than the main turret. Turning tools can be placed in the turrets so that a tool in one turret forms a pair with a tool in the other turret, and the turrets arranged so that both inside and outside machining of a workpiece can be carried out simultaneously. Tools can be placed in the carriers in the turrets to carry out a particular desired function. The supplementary turret can be removed for machining shafts. The turrets can be moved towards and away from as well as along the lathe axis.

Abstract: There is disclosed a machine tool, of the type having a tool magazine for receiving tools therein, and wherein a spindle head is moved in the direction of the axis of a spindle relative to the tool magazine such that one of the tools in the tool magazine is engaged with or disengaged from the spindle. A draw bar for firmly attaching a tool to the spindle is positioned inside of the spindle. The operation of the draw bar is actuated by the movement of the spindle head relative to the tool magazine.

Abstract: A tool driving attachment is provided for use with a tool driving machine having a rotatable powered driving member. The attachment includes a first tool driving member which is connectable with the powered member for rotation therewith. A second tool driving member may be guided and resiliently locked into and out of rotating engagement with the first tool driving member when the first member is rotating.

Abstract: A coolant system for a machine tool is disclosed. Sockets on the machine tool are equipped with check valves biased to a closed position. When a tool is inserted into a socket, an actuating member opens the check valve to enable coolant to flow through a conduit in the tool to the cutting edge of the tool. Tools whose cutting edges do not require coolant are not equipped with the actuating member. In addition, a distributor is provided for use in the coolant system of a machine tool having a turret. The distributor is mounted on the turret and is coaxial with the axis of rotation of the turret. Coolant is piped into the center of a distributing member having an outlet on a cylindrical side surface. A receiving member has a cylindrical chamber in which the distributing member is rotatably disposed. The receiving member has a plurality of radially disposed passages which lead from the receiving member to the tool receiving sockets on the turret.

Abstract: An automatic tool changing device includes a frusto-conically shaped tool holder holding a large number of machining tools and mounted on the forward end of the head of a machining center so as to be vertically movable and rotatable about a non-rotating shaft which is slanted downwardly, whereby by rotating the tool holder, the desired tool can be automatically and sequentially attached to the cutter head spindle of the machining center, used to machine a work and then removed so that the next tool can be attached to the cutter head spindle.

Abstract: A turret for a lathe has a substantially circular turret member pivotally mounted in front of the head stock and a plurality of support surfaces are formed on the periphery of the turret member. The support surfaces are each inclined with respect to the axis of rotation of the turret member and tool supports are pivotally mounted on the support surfaces.

Abstract: A machine for performing cutting operations on a workpiece has a rotatable carrier with several releasable processing heads which have rotatable spindles to hold cutting tools. A carrier drive mechanism is mounted on the machine to drive the carrier until a selected one of the heads is adjacent a spindle drive at the work station. The carrier drive has a crank on a rotatable shaft and a slidable plate with a recess to engage the crank to lock the carrier drive in an accurately predetermined position. The spindle drive has a hook and sliding plate mechanism to connect the selected head to the spindle drive. A latch device for releasably holding each head to the carrier is also disclosed.

Abstract: A tool changing arrangement for a machine tool comprises a rotary and axially movable drive spindle which coaxially carries a holding member rotatable therewith and movable in axial direction relative thereto. A tool carrier movable transversely to the holding member is provided at one end with a T-shaped slot into which a corresponding male portion on the holding member may be engaged, to couple the tool carrier to the holding member. The spindle and the tool carrier are provided at facing ends with interengaging centralizing portions which during axial movement of the holding member relative to the spindle axially align the tool carrier and the spindle.

Abstract: A vertical support shaft supporting a tool support is slidably and rotatably supported in a base. A gear member is rotatably but non-slidably mounted on the support shaft and is provided with a threaded portion threadedly engaged with the base. A sleeve member having a rack engaging with the gear member is moved axially to lift the tool support to an upper position for an index operation. The sleeve member is provided with a notch to receive a resiliently urged lock shaft for restraining the axial movement of the sleeve member when the tool support is moved to the upper position.

Abstract: A machine tool includes a turret having a plurality of machine tool spindles for carrying individual cutting tools. The turret rotates in a horizontal plane about a vertical column and is supported on the column by a yoke having yoke arms projecting through slots in the column. A ball nut assembly mounted on the yoke and rotated by a motor driven screw provides vertical height adjustment of the turret and the tool spindles. The turret is selectively indexable about the vertical axis of the column to position the appropriate tool spindle in a machining position. A spindle drive motor carried by the yoke and located within the column is moved in the direction of tool feed to engage a coupling on the selected indexed tool spindle and rotate the tool carried by the spindle. Spindles can be employed with their own feed and drive independent of the turret feed and drive. The column and turret are supported on a saddle which is movable on horizontally extending ways by a lead screw for cutting feed.

Abstract: A compound lathe in which a headstock is horizontally movable along a spindle axis to provide longitudinal feeding of a workpiece mounted for rotation with the spindle and a saddle carrying a turret is vertically movable to provide transverse feeding. The saddle is slidably disposed on vertical guideways which is formed on a column mounted on a bed at the back of the headstock rearwardly of cutting areas of the workpiece and which vertically extends in a plane parallel to the axis of the spindle. The turret supports tools for turning, milling, drilling and other operations. Numerically controlled servo motors preferably position the headstock and saddle. A secondary workpiece gripping means is provided to grip the end of the workpiece opposite the headstock and is releasably connected to the headstock for movement therewith. The gripping means allows accurate secondary machining of the cut-off portion of a parted workpiece by the tools on the turret.

Abstract: A turret toolpost preferably for numerically controlled automatic lathes includes two relatively adjustable turrets for the cutting tools, one turret being disposed outside the other turret. The axes of these two turrets make a small angle with one another.

Abstract: New and old tools are changed by loosening or fastening a chuck mounted on a main spindle gripping or releasing the new and old tools and rotating and indexing a tool storage magazine in which a multiplicity of tools are stored, without requiring an exclusively usable driving means.

Abstract: A lathe on which the tool post is swiveled and indexed about a vertical axis and the workpiece is machined with a turning or rotary tool. The headstock is slidable upward and downward, and the work portions off the axis of the spindle can also be machined with the rotary tool. Once the workpiece is set in position, it can be subjected to a variety of machining operations on a number of surfaces.

Abstract: A vertical tool head for the headstock of a horizontal drilling-milling machine which is carried by a support means above and displaceable parallel to a horizontal tool spindle and can be clamped in its work position at a headstock projection and drivable by the horizontal tool spindle which is mounted in the headstock projection having a headstock clamping surface. The vertical tool head and the support arm can be selectively positioned, by means of two defined thrust movements of different length and opposite to one another in conjunction with a pivotable movement of the vertical tool head through 180.degree. about an axis arranged above and parallel to the horizontal tool spindle, in a park position and work position. In these positions a tool chuck device located at the end of a vertical tool spindle of the vertical tool head is disposed in front of the support arm.

Abstract: A device for changing bore crowns on a drill rod including a bore crown magazine member and means for automatically stopping and locking the magazine member in a desired rotated position.

Abstract: Turret-carried tools on a lathe having an automatically indexable and translatable turret are powered and controlled through coupling devices which are selectively engaged by mating coupling devices extended and retracted from a power coupling assembly translatable with the turret.

Abstract: A tool changing device for a lathe of the type having a base structure with parallel column guides for longitudinal movement of a tool storage and changing device. The tool changer disclosed is a generally circular tool magazine, a cross slide member mounted on the longitudinal guide means of the lathe, the magazine surrounding one of the longitudinal guides. The tool changer is rotatably movable to select one of a plurality of tools circularly disposed thereon to bring the desired tool to a position adjacent the axis of rotation of a workpiece supported on the lathe. When the selected workpiece is in position, the apparatus establishes a rigid and direct connection between the selected tool holder and the lathe with the tool holder remaining on the magazine. Seals are provided to prevent turnings and other dirt from entering the tool changing mechanism.

Abstract: Tools on a lathe having an automatically indexable and translatable turret are powered and controlled by automatically driving the turret to one or more predetermined positions to automatically couple or uncouple one or more detachable power coupling devices which connect power and/or control signals to turret-carried tools while the turret is translated to perform machining operations. Means are shown for effecting flexible mechanical, hydraulic, electrical and/or pneumatic power and control signals to turret-carried devices.

Abstract: A drilling machine with an automatic tool changer (A.T.C.) including a driving motor which drives a spindle head to traverse, upwards and downwards and a tool magazine which is rotatably supported by the spindle head and has a plurality of tools, wherein when one of the tools is to be interchanged with another of the tools, said tool magazine is rotated at predetermined angles by the driving motor by means of the spindle head and a link mechanism.

Abstract: A machine tool having a frame, a turret head rotatably mounted upon the frame, at least one tool spindle rotatably supported within the turret head, first coupling means mounted upon the tool spindle, and second coupling means slidably and rotatably mounted within the frame and adapted to engage with the first coupling means of the tool spindle positioned at an operative position so as to transmit a driving power to the tool spindle. Within the turret head there is mounted angular maintenance means for maintaining the tool spindle in a first predetermined angular position. Within the frame there are mounted release means for releasing the tool spindle positioned at the operative position from the angular maintenance means, orienting means for positioning the second coupling means to a second predetermined angular position, and means for moving the second coupling means positioned at the second predetermined angular position into and out of engagement with the first coupling means.

Abstract: A drilling machine with an automatic tool changer (A.T.C.) comprising a driving motor for a spindle head and a tool magazine rotatably supported by the spindle head and provided with a plurality of tool arbors for holding tools, one of the tools being interchanged with another of the tools by intermittent rotation of the tool magazine, and wherein the tool arbors are supported for swinging movement between a protrusion position and a retraction position so as not to obstruct the machining operation.

Abstract: A machine tool equipped with a magazine and a guide drum which is disposed alongside the magazine. A tracer is mounted on the guide drum and is movable in a three coordinate system and the magazine contains tools which are also movable in a three coordinate system and in a direct ratio to the movement of the tracer. The tracer, which is attached to the guide drum, follows the profile or contour of a master or pattern and the compound motion is transmitted to the magazine containing the tools. Therefore, the tools are moved in the same way as the tracer so that the master or pattern is thus reproduced.

Abstract: Each chuck of the capstan is peripherally integral with a rim made from a relatively elastic material which defines, facing each indexing bore for the formation of a shock absorber/stop member, an orifice whose outlet cross-section is substantially the same as the inlet cross-section of the said bore and, in the vicinity of the indexing pin a cross-section which, at least in the direction of travel of the chuck, is larger than the cross-section of the end fitting of the said pin, each orifice having a sloping wall which converges towards the central area of the said chuck.The improvements forming the object of the invention are applicable to capstan tool holders for punching machines.

Abstract: A machine tool having a tool magazine containing a plurality of tools which can be conveyed into a working or reference position by movement of the tool magazine. The tools are disposed in the magazine in the form of a matrix having rows and columns. The tool magazine is traversed in the direction of the columns and rows into a number of positions corresponding to the number of columns and rows to facilitate a movement of each tool into a position of use.

Abstract: A machine tool for interchanging tool carrying units includes a guideway for slidably supporting the tool units, a substantially horizontal slideway, and a pivot member adjacent one end of the guideway. The tool carrying units are mounted about the pivot member. The tool also includes structure for rotating the pivot member about an axis parallel to the slideway for angularly moving the tool carrying units about the axis from an inoperative position to an operative position above the slideway or vice versa. A movable structure is mounted on the slideways. The tool includes structure for moving the movable structure along the slideway to engage the tool carrying unit in operative position and to move the interconnected movable structure and tool carrying unit along the slideway in a direction parallel to the axis to detach the tool carrying unit from the pivot member and to move said unit to a working position.

Abstract: A machining center having an endless track with movable tool heads, and one or more machining stations at which the tool heads may be successively stopped. Each station has means for driving the tool head and a workpiece saddle which may be advanced during the machining operation. The arrangement has high flexibility for automatically machining different types of workpieces and may be adapted to varying production requirements without unnecessary equipment.

Abstract: A cutting tool comprises a cutter assembly including a cutting implement having a cutting surface and a shank extending longitudinally from the cutting implement. The shank is received in a bore in a housing assembly and is longitudinally extendable and retractable therein. Guide surfaces interengageable between the cutter assembly and the housing assembly automatically rotate the cutter assembly upon extension and retraction of the shank in the housing bore to change the position of the cutting surface.

Abstract: A machine tool having an indexable turret in which the turret has a plurality of stations for supporting tools and with the tools in the stations being presented individually to workpiece operating position in a respective indexed position of the turret during a work cycle. At least two of the stations of the turret are provided with identical tools, forming a group, and on each work cycle one of the pair of stations is bypassed thereby providing a reserve tool which can be made effective without interrupting the work cycle of the machine. Advantageously, most of the tools carried by the turret are provided in groups so that substantially a complete set of reserve tools is provided. Each tool can be used for a certain number of work cycles, or the machine can be provided with adaptive, or tool sensing, controls which sense the dulling or breaking of a tool, or workpieces taken from the machine can be periodically guaged to determine when a particular tool has worn down to the allowable limit.

Abstract: A tool holder for machine tools particularly adapted for use in turret structures having a plurality of retainers for holding a plurality of such tool holders each carrying a different tool such as a drill, tap, reamer or other metal working tool. The disclosure relates to a mechanically actuated tool holder having mechanical locking means adapted to snap into annular retainers in a turret structure of a mechanical tool and wherein locking means alternately is operable to hold the tool holder in the turret retainer ring and to lock the tool holder onto an annular ledge of a stub means carried by a rotatable and reciprocable machine tool driving spindle.

Abstract: This disclosure relates to a punching apparatus for perforating sheet materials, and comprises a multiple tool holding unit mounted on a press table beneath a vertically movable press ram. The tool holding unit includes a horizontally extending upper arm having a horizontally swingably journalled holding member disposed at the free end thereof. The punch holding member is provided with a plurality of punch holding bores which may be selectively positioned beneath the press ram whereby holes of different diameter may be punched in the sheet material. The punching unit further includes a lower arm disposed beneath the horizontally extending upper arm, and includes a die holding bore having the configuration of two half circles connected with each other by two parallel lines running in the same horizontal direction as the lower arm and is further provided with a horizontally movable clamping member.