Abstract: A deep drilling device suitable for drilling in workpieces, particularly crankshafts, holes at different positions and/or in different orientations relative to a work longitudinal axis, has a deep drilling unit and a work holding unit cooperating therewith. The deep drilling unit permits parallel displacements of the deep drilling tools in a horizontal X direction and a vertical Y direction, as well as a tool feed parallel to the spindle axis. The tool holding device receives one or more crankshafts in such a way that their longitudinal axis is horizontally oriented and permits a rotation about the longitudinal axis and a swivelling of the workpieces about a vertical rotary axis. As a result both different tilt angles of the holes relative to the work longitudinal axis and also different positions of the holes relative to the circumference of the workpieces can be obtained.

Abstract: The machine tool comprises a workpiece carrier (16) into which crankshafts (10, 10a) can be clamped one above the other in horizontal alignment. The workpiece carrier (16) is fixed to a turntable (15) on a horizontal slide (14) with the turntable being pivoted around a vertical axis (A). After the turntable (15) has been brought into an inclined position, the crankshafts (10, 10a) are provided with oblique drill holes by means of the drills (26, 26a). A tool magazine (32) comprises a first circulating magazine (33) for drilling tools and a second circulating magazine (34) for drill bushings (27, 27a). The tools are exchanged between tool magazine (32) and spindle box (24) by means of the pick-up process.

Abstract: A cutter changing system and a method of its operation are disclosed for a crankshaft fabricating miller of internal type in which a cutter body having tips attached thereto along an inner peripheral surface thereof is fitted with and fixed to a cutter adapter so as to be rotatable together with the cutter adapter, thereby permitting a workpiece to be machined therewith by milling to fabricate a crankshaft.

Abstract: A machine for drilling oil-holes in crankshafts and the corresponding procedure. It can be used to drill one, two or more crankshafts per cycle. Each crankshaft can revolve on its own axis. The unit described is mounted on a horizontally-faced rotary table with vertical rotating axis, to place the crankshafts at different angles to the Z axis of the machining module, maintaining the horizontal position of the longitudinal axes of the crankshafts. Facing the unit is the machining module, provided with two horizontal spindles, drill tool-holders, with their corresponding guide bushings and parallel to each other, one on top of the other, at the same distance as the two crankshafts. The module has movement in three co-ordinates: axis X (horizontal-transverse), Y (vertical ) and Z (horizontal-presenting tools). A fourth axis W, (with additional module and independent action), moves parallel to Z and carries the guide bushings.

Abstract: A machine tool (10) has a spindle (11) for receiving a tool (15) for machining a workpiece (16). A mechanism (17) for clamping the workpiece (16) is also provided. Also provided is a changing mechanism (37) for a machining tool (29), which holds the machining tool (29) in a gripper hand (38) which it introduces laterally into a workpiece cavity (21) in such a way that it can be automatically coupled there to an adapter tool (32) carried by the spindle (11).

Abstract: A high throughput drilling system for printed circuit board hole formation. Two spindles are disposed at each spindle station, doubling the number of holes produced in a given time period. Each spindle in connected to an overhead linear drive by a mini slide. A first set of the spindles, one for each spindle station, is driven by a first X axis linear drive. A second set is driven by a second X axis linear drive. The work piece table is elongated to support work pieces for all stations, and is supported by a set of bearing guides, with outrigger bearings coupled to the table by flexure mounts that relieve stress due to differential temperature expansion rates between the work piece table and the base table. High speed spindles are employed to obtain higher productivity, with larger holes routed by router tools, eliminating the need for stocking large drill sizes on the system tool changer.

Abstract: A propeller with pivoting blades is provided as a cleaning tool (1) for the work area of metal cutting machines, where the angle of adjustment for the pivoting blades is such that an air jet is generated supporting the propeller blades (15) in folding open. The propeller blade (15) is arranged in a tool changer stacker instead of a common tool or on a tool spindle and serves to automatically clean the work area by a blowing process.

Abstract: A manually operated apparatus for removal and insertion of a tool holder to and from a tool pocket of a magazine includes two components--a multi-function insertion/removal tool, and a pivot bracket. The multi-function tool generally comprises an elongated bar having a tool holder removal element at one end and an insertion element at the opposite end. The removal element can constitute a known pry tool having a fork portion configured to facilitate insertion between the rim of the tool pocket and the underside of the circumferential flange of the tool holder. The insertion element of the multi-function insertion/removal tool comprises a pivot block and a pressure plate. The pivot block includes a pivot pin projecting therefrom that is configured for pivoting engagement within a channel defined in the pivot bracket. The pivot bracket is mounted to the housing of the tool magazine at a manually accessible location relative to the tool pockets with the open end of the channel facing away from the tool pocket.

Abstract: A knife picking device includes a base member which is connected to a linear guide frame. The linear guide frame is movably connected to a linear guide board in two perpendicular directions. A block is connected to the base member and a cylindrical member movably and rotatably extends through the block. The cylindrical member has a spiral groove and a connection device actuated by a first cylinder is connected between the base member and the block. The connection device is engaged with the spiral groove and a second cylinder is connected to the cylindrical member. An arm activated by a third cylinder is connected to the base member and the linear guide frame. The second cylinder is moved to a desired position of a knife receiving unit by operating the first cylinder and the third cylinder.

Abstract: Each of plural workpiece transfer units 10 input from on end of a machining line 100 in turn is fed toward the other end thereof in a first horizontal direction by a linear motor. In this transfer process, the workpiece transfer unit 100 is indexed to the front of predetermined some of plural spindle heads 60 arranged along the machining line 100, in turn. At an indexed position of the workpiece transfer unit 10, a workpiece supporting device movably mounted on the workpiece transfer unit 10 in two direction mutually perpendicular to the first horizontal direction, performs the machining operation on a workpiece in accordance with an NC program with respect to a tool T attached to a tool spindle 66 of the spindle head 60. At generally the same time when the workpiece transfer unit 10 starts a transfer feed toward the next spindle head 60 after finishing the machining operation by one of the spindle heads 60, the tool spindle 66 of the next spindle head 60 is started to rotate.

Abstract: The machine tool comprises two headstocks (16,17), arranged on a support (10), which are movable independently of each other along their height and their longitudinal direction. A respective one (17) of the headstocks is active in the treatment of a workpiece attached on a workpiece carrier (20), while the other headstock (16) can be moved behind a tool magazine (24) for receiving a tool therefrom. While the one headstock is still working on the workpiece, the other headstock with the next tool can already be accelerated to the required working rotational speed and be advanced to the tool. Thus, the time required for exchange of tools is extremely shortened.

Abstract: A device for numerically controlled (NC) manufacturing, manipulating and measuring apparatuses has a frame structure with peripheral force introduction locations and at least one movement unit with peripheral force introduction locations. At least three adjusting devices each having a first and a second part are provided. Each adjusting device has a first and a second connecting member positioned at a spacing to the first connecting member. The first parts are connected by the first connecting members to the force introduction locations of the movement unit, wherein these force introduction locations are positioned in a first imaginary coupling plane. The first parts are connected by the second connecting members to the force introduction locations of the frame structure, wherein these force introduction locations are positioned in a first imaginary coupling plane of the frame structure. The second parts are connected by the first connecting members to the movement unit.

Abstract: A machine tool comprises a spindle which has a tool receptacle for tool holders. Also provided are a tool changing apparatus for transferring the tool holders between their respective magazine position and a working position in the tool receptacle, and an internal cooling system which delivers coolant from a coolant supply system, through an internal duct running longitudinally through the spindle, to a tool holder clamped into the tool receptacle, in order to flush out a tool that is in use. Also provided is a flushing apparatus in order to flush the tool holder while it is being inserted into the tool receptacle, the flushing apparatus flushing with coolant from the coolant supply system.

Abstract: An automatic blade changing system of a dicing machine uses a blade which is fixed to an auxiliary stopper member provided with a thread which is engaged with a thread of a spindle. The automatic blade changing system consists of two blade holding means which hold the blade to which the stopper member is fixed and rotate the blade relatively to the spindle in the state wherein the blade is forced to the spindle, a blade accommodating means which accommodates a blade to replace the blade, a moving means for moving the blade holding means between the end of the spindle and the blade accommodating means.

Abstract: When the amount of a change in load current supplied to a grinder is not more than a predetermined threshold value, the amount of piercing into a workpiece by the grinder is controlled according to the load current. When the amount of a change in load current exceeds the predetermined threshold value, the grinding speed of the grinder is controlled according to the load current. When performing a plurality of operations with one robot, a position correction value calculated in one operation is utilized to correct a target position in another operation.

Abstract: A device to assemble cutter assemblies of cutters and spacers for a slitter for slitting coils of steel, aluminum, plastic or other material. The storage region of cutters and spacers uses the head room above the floor-area and is served by a robot that is able to simultaneously carry several tool units. The storage region contains storage units which project substantially vertically from the floor. The storage units include substantially horizontal projections for storage of the cutters and spacers.

Abstract: An adjustable support structure having an indicator device for use with a coordinate measuring machine (CMM) capable of minimizing deformation of an object to be measured. The adjustable support structure includes a base portion being secured to a pillar support of the CMM. A top and bottom swivel plate are further included in the adjustable support structure and are mounted to the base portion to frictionally retain a first swivel arm. Additional swivel arms are pivotally mounted to the first swivel arm. A point support post and locking nut are still further included and threadedly engaged with an end of the final support arm. The indicator device is finally included for indicating when the point support post is in electrical contact with the object, so as to maximize support of the object while minimizing deformation thereof.

Abstract: The machine tool comprises two headstocks (16,17), arranged on a support (10), which are movable independently of each other along their height and their longitudinal direction. A respective one (17) of the headstocks is active in the treatment of a workpiece attached on a workpiece carrier (20), while the other headstock (16) can be moved behind a tool magazine (24) for receiving a tool therefrom. While the one headstock is still working on the workpiece, the other headstock with the next tool can already be accelerated to the required working rotational speed and be advanced to the tool. Thus, the time required for exchange of tools is extremely shortened.

Abstract: To improve a machine tool, comprising a machine frame, a workpiece holder arranged on the machine frame for a workpiece to be machined, a tool holder arranged on the machine frame for receiving a tool and at least one drive with a slide for executing a relative movement between the tool and the workpiece in the direction of at least one axis, such that it allows as high dynamics as possible, it is proposed that the drive comprise electric linear motors aligned parallel to the axis and spaced from one another in a transverse direction, that the slide extend between the two linear motors, and that a control be provided for simultaneously operating the linear motors for displacement of the slide.

Abstract: A working tool and a cladding device are interchangeably mounted on a working head of a working apparatus. First, in a condition in which the working tool is attached to the working head, a die blank is subjected to profiling, and also a predetermined portion is cut to thereby form a beveled portion Then, the working tool on the working head is changed to a cladding device to thereby perform cladding on the beveled portion with a required material. Thereafter, the cladding device on the working head is changed again to the working tool to thereby finish the clad portion into a predetermined shape.

Abstract: A multifunction, compact machining center has a work spindle which can rotate at high speed, or controlled by a C axis servo driver, and a frame-shaped tool magazine, which is composed of a standing part and a rotatable part. Arranged on the standing part are enough internal and external turning tools to complete all turning processes on one workpiece. Driven tools are held on the rotatable part to do drilling, boring, milling, gear hobbing, grinding, lapping etc. on the same workpiece at arbitrary angles. Additionally, work units for quenching, laser machining, gear shaping, bevel gear cutting, measuring, loading and unloading can also be employed on the tool magazine. By means of movements of the tool magazine relative to the work spindle in the plane perpendicular to the Z axis, each cutting tool or working unit can be put into the working area of the workpiece sequentially so as to complete all machining, measuring, loading and unloading.

Abstract: The machine tool comprises a machine stand (10) with a vertically movable vertical carrier (12) carrying a spindle head (SK1) for treatment of a workpiece. To exchange the spindle head (SK1) against a new spindle head (SK2), an exchange unit (15) is provided, comprising an exchange arm (16) pivotable by 90.degree. about a vertical axis (37). Two holding couplings (17,18) are mounted above each other on the exchange arm (16), each adapted to carry a spindle head (SK1,SK2). A delivery means (21), gripping the spindle heads from above, is used to supply the spindle heads for transfer to the exchange unit (15). The exchange unit (15) grips the spindle heads from the side. By pivoting the exchange arm (16) over 90.degree., the spindle head is pivoted to a position in front of the machine stand (10) and thus can be taken over by the vertical carrier (12).

Abstract: A method and an apparatus for mounting and dismounting a blind cover, which is used for protecting an exposed surface, from cutting fluid and chips. The blind cover is held and carried by a blind cover carrier having a shank mountable into a main spindle and a pot of a tool magazine, and a flange provided with a gripping groove to be gripped by a tool changing arm. The blind cover for protecting the exposed surface of the coupling is held by openable engaging pawls provided on the blind cover carrier. The blind cover carrier holding the blind cover is carried and mounted to the main spindle in the same way as the tool and the attachment. The blind cover and the coupling are provided with respective engaging pawls. The engaging and disengaging operation of the respective engaging pawls and the mounting and dismounting operation of the blind cover to the exposed surface of the coupling are executed by a swivel indexing function of the main spindle.

Abstract: This invention makes it possible to freely exchange an attachment 20, to which is connected a flexible cable 21 used as an energy supply line and a signal line, on an end surface of a ram 13 of a spindle head of a machine tool having a plurality of control axes. Support means 26a, 26b, and 28 supports the cable in such a manner that this cable 21 can follow the motions of the spindle head. A conveyor means conveys the attachment between an attachment/detachment position at the end surface of the ram 13 and a position at which the attachment 20 is stored, with the cable 21 still connected thereto. The automatic attachment exchange apparatus of this invention automatically exchanges attachments while cables, such as energy supply cords and signal lines, are still connected to the attachments, thus resolving the inconvenience of connecting and disconnecting cables.

Abstract: A workpiece gripper has a housing part on which is arranged a gripper element actuated by external force for gripping workpieces. Also provided is a joining part, for attaching the workpiece gripper to a tool holder, that can be transferred by means of a tool changing device between a magazine position on a machine tool and a working position on a receptacle in a spindle. Provided on the housing part is a connecting element that, when a tool holder is present in the receptacle, is in engagement with a joining element, to deliver energy for actuation of the gripper element, in such a way that the housing part is held nonrotatably with respect to the spindle head. An adapter is provided which is rotatably mounted on the housing part and to which the gripper element can be attached.

Abstract: A magnetic spindle device for machine tools has a spindle contactlessly supportable by a plurality of controllable magnetic bearings for mounting thereon a tool element which is automatically changeable for a tool element of different kind. The spindle device comprises a device for measuring the weight of the tool element by measuring the exciting currents of the magnetic bearing, and a device for changing over the control characteristics of the magnetic bearings based on the measured weight of the tool element.

Abstract: An installation in a slitter mill for mounting a tool set (5), composed of annular tool parts (3), on a set-up device (1) provided with bars (2). The tool parts (3) are stored in a plurality of magazines (4) in a tool storage. A gantry robot (9) is adapted to collect tool parts (3) from the magazines (4) by means of a gripper (7) and to temporarily store the tool parts (3) in an associated intermediate magazine (13). The robot (9) with the intermediate magazine (13) moves between the magazines (4) and collects the desired tool parts (3) by means of the gripper (7) for loading a tool set in the intermediate magazine. A transfer device (15) is adapted to lift and transfer to the bars (2) a tool set present in the intermediate magazine (13). (FIG. 2 ).

Abstract: An arbor mill machine which performs multiple machining operations on a workpiece in one work station. A rotatable tool turret carries a plurality of arbor cutting tools each of which can be indexed into the work station for performing a machining operation on a workpiece carried by a slide which advances the workpiece into the arbor tool and retracts the workpiece from it. A single drive spindle carried by a slide is advanced to releasably engage and drive the arbor tool in the work station to machine the workpiece and is retracted to release and disengage the arbor tool so that it can be removed from the work station when the turret is indexed to advance another arbor tool into the work station to perform another machining operation on the workpiece. The turret is releasably locked to prevent it from rotating while an arbor tool is machining a workpiece and is released between machining operations to permit indexing of the turret to position another arbor tool in the work station.

Abstract: A multi-function machine tool provided with a motor-driven spindle on which each of a plurality of sub-motor units having individual drive motors and tools, respectively, can be removably mounted to perform a plurality of machining operations in order to comply with a change in the machining conditions and a change in the material of workpieces to be machined. The drive motors of the sub-motor units exert different output performances, i.e., different rated rotating speeds and different output torques, and can be electrically connected to the electric powers lines and control signal lines provided for the spindle head.

Abstract: A saw changer for changing a saw assembly mounted on an arbor of a saw machine. A carrier is positioned for powered sliding movement axially along the saw assembly from a position under the arbor to a position free of the arbor. The carrier includes holders that are raised into position for holding the saw assembly and through powered axial movement of the carrier, for removing the saw assembly from the arbor. Upon removal, the saw assembly is lifted from the carrier and a replacement saw assembly is mounted on the carrier for placement onto the arbor.

Abstract: In a vertical machining center, a spindle-drive sleeve is axially immovable in the machine frame, but rotates about its longitudinal axis to rotate a spindle mounted in the sleeve for rotation by the sleeve while axially slidable independent of the sleeve. A linear drive, non-rotating ball screw connected to the upper end of the spindle is driven axially by a rotationally powered, axially anchored ball nut to advance and retract the spindle in the sleeve. A drawbar coupling system extends inside the spindle from the top to the bottom to connect to any one of various toolholders in an index disk which is rotatable for positioning toolholders sequentially in line with the spindle axis. A pneumatically actuated drawbar operator shaft extends inside and coaxially with the ball screw from the top to the bottom. The shaft actuator is mounted to the top of the ball screw and drives the shaft axially inside the screw when a toolholder is to be approached for connection.

Abstract: An ultrasonic machining device 10 is attached to a movable carriage 3, and has a borehole 11 to whose free end a differential screw 14 is threaded. To clamp a tool 20, first the device is returned to a neutral position whereat a wrench 25, which is mounted stationarily in a frame 2, engages the differential screw which rests on a shoulder of the wrench with low prestress. The wrench is then rotated until the screw projects a specific amount beyond the end of the device. The tool is then threaded onto the screw until it abuts the device 10, and finally the screw is tightened by a pneumatic cylinder 32.

Abstract: A spindle head 28 is liftably supported on a transfer member 6 which is capable of moving in an XY axis direction to a table 4, and a spindle 32 is rotatably journalled on the spindle head 28. A pickup 54 is liftably journalled on the spindle head 28, and the pickup 54 is disposed at the lower end of a tool 46 near the tip of the tool 46 which is fixed detachably to the spindle 32. The relative lifting motion of the pickup 54, against the head 28, is detected by a sensor 70. Prior to the processing of the work, a distance D, between the lower end of the pickup 54 and the tip of the tool 46, is measured, and is stored in the controller. The head 28 descends, and when the pickup 54 abuts on the work, this abutting condition is detected by the sensor 70. The height of the tip of the tool 46 against the work 2 is detected by the foregoing detection.

Abstract: The disclosure relates to an improved automatic tool changer for use in a machining apparatus. The automatic tool changer is designed to cooperate with adapters each carrying a tool to be changed. The automatic tool changer comprises a bifurcated carrier plate and structure to traverse the carrier plate between a tool storage and the spindle of the machining apparatus. The upper tool-feeding arm of the carrier plate has two support rods extending therefrom and structure to detachably hold an adapter on the vertical support rods, and the lower tool-withdrawing arm of the carrier plate has two vertical support rods extending therefrom.

Abstract: A method for automatically exchanging flaking knives in a knife ring of wood flaking machines in which the knives are attached to respective knife holders in a force-looking connection comprises the following steps: Loosening the force-locking connection between the flaking knife and the respective knife holder; automatically removing the flaking knife from its holder; automatically exchanging the removed flaking knife for a sharpened flaking knife; automatically inserting the sharpened flaking knife into the knife holder; and, depending on the wear of the wall portion, automatically positioning the sharpened flaking knife in the knife holder such that a cutting edge of the flaking knife protrudes relative to the adjacent inner wall surface of the knife ring to an extent that corresponds to the desired cutting depth.

Abstract: The apparatus is one by which blanks are changed automatically in a hobbing machine of the general type comprising at least one tool head capable of movement along horizontal and vertical axes and consisting essentially in a horizontal spindle and a coaxial outer bearing that can be moved toward and away from one another, between which a tool is supported and set in rotation; in the apparatus disclosed, a vertical post rotatable about its own axis carries a number of peripheral supports that feature two dissimilar structures, the one designed to restrain and/or support a tool and the other a blank, in such a way that the tool currently fitted to the head can be discarded and a replacement tool supplied automatically, utilizing the one type of support, whilst the blanks are changed by the other type.