Abstract: A flash removal device includes a frame, a first servo motor, a bottom plate, an adapter shaft, a shaft sleeve, a radial bearing, a lower end cover, a pedestal, a pressure bearing, a base, a clamping cylinder, connecting plates, first guide rail sliding seats, first linear guide rails, mounting racks, rotary press-down cylinders, first sleeves, first bearings, first rotating shafts, a first gland, clamping rollers, etc. The flash removal device can meet the requirements of flash removal from a wheel blank, has the characteristics of simple structure, stable detection performance, high positioning precision, simple operation and the like, and is very suitable for automatic batch production.

Abstract: The machine tool includes a workpiece carrier assembly arranged for horizontal movement in parallel to a horizontal axis and a tool carrier configured for carrying at least one tool for machining at least one workpiece by rotating the tool. The workpiece carrier assembly or the tool carrier is displaceable between an operative position in which a workpiece carrier is facing the tool carrier, and at least one inoperative position. The workpiece carrier is arranged to be rotatable to allow for a modification of the angular position of the workpiece in relation to the tool carrier.

Abstract: A vertical machining center includes a base; a tilting rotary table, a tool spindle, a tilting shaft, a recessed area, a slide door, and an inner cover. The tilting rotary table is disposed on the base and configured to turn and tilt a table face of a rotary table. The tool spindle is rotatable about a vertical axis line and movable in an X axis direction, a Y axis direction, and a Z axis direction. The tilting shaft is disposed in the tilting rotary table and oriented in the Y axis direction. The recessed area is disposed on a front surface of the vertical machining center. The recessed area is adjacent to a support supporting the tilting shaft. The slide door is configured to cover the front surface. The inner cover is integral with the slide door. The inner cover is configured to cover the recessed area.

Abstract: An automatic method for changing the machining reference frame on a machine for machining parts from bars, notably extruded or molded profile sections, the part to be machined being held during its machining by at least two distinct and independent clamping means each having a longitudinal movement and a rotation on an axis parallel to the long axis of the part to be machined allowing for a relative angular and longitudinal displacement of one relative to the other. a method whereby, in order to proceed with a change of reference frame, one of the clamping means releases the part to be machined and disengages therefrom to turn freely about the long axis of the part independently of the other clamping means, then aligns itself angularly on new clamping references of the part before retaking the latter and allowing for a change of grip by the other clamping means.

Abstract: The present invention relates to a machine tool and a corresponding method for machining, in particular for turning and milling, a workpiece having a central bore, said machine tool including a tool holder for holding a tool, a work rest for seating the workpiece, a work mounting for holding the workpiece in place, and a drive mechanism for rotating the workpiece about a central rotation axis, wherein the work rest has an arbor for attaching the workpiece, such that a section of the arbor projects into the central bore on a first side of the workpiece, and wherein the work mounting has a counter-holder movable in the direction of the bore axis of the central bore for applying a contact pressure, acting in the direction of the bore axis, to the workpiece on a second side opposite the first side.

Abstract: A wheel rim processing machine which includes an oscillating table rotation base. A workbench is provided on an extending section of the oscillating table rotation base. A power source is provided on the work bench. A connecting element is connected to the workbench for connecting a power cylinder provided at a bottom side thereof and a plurality of gripping jaws lined with a griping jaw arrangement at a top side thereof. The connecting element is provided with an outer gear. The retaining arrangement on the connecting element has a connecting rod shaft element which is penetratedly fastened to the gripping jaw arrangement via pin elements. A block, which is provided below the connecting element at an inner side thereof, is connected to a pivot connecting element connected which retains the power cylinder below the connecting element via at least one screw element.

Abstract: A dust collecting case provided on a cutting machine for cutting a target object includes an outer case member and an inner case member. The outer case member includes a bottom plate, a first side member extending from a peripheral edge of the bottom plate, and a suction port. The inner case member includes a second side member positioned inside the first side member, and an upper member provided between an upper portion of the first side member and an upper portion of the second side member such that the upper member closes from above a space surrounded by the first side member and the second side member. The second side member includes an inner peripheral surface that faces and surrounds an outer periphery of the target object. A gap is located in between an outer surface of the second side member and an inner surface of the first side member.

Abstract: High precision machining is enabled by eliminating the need for a conventional swiveling table, and by enhancing rigidity for supporting a work by relatively reducing the distance from the top surface of a stationary body section (1) to the position for machining a work by means of a tool on a rotary spindle (17). A pair of guide tracks (28a, 28b) respectively passing two positions separated in the X axis direction of the stationary body section (1) and in the Z axis direction intersecting the X axis direction perpendicularly are allowed to guide feed tables (30a, 30b) to be movable independently.

Abstract: The invention relates to a device (1) and a method, comprising a workpiece-receiving portion (2) for receiving a workpiece (28) to be mechanically machined. At least one vibrating device (9) is connected to the workpiece-receiving portion (2), and the vibrating device (9) causes the workpiece-receiving portion (2) to vibrate, the vibration of the workpiece-receiving portion (2) having a frequency that is lower than the frequency of ultrasound. The vibrating device (9) has a vibrating body (8) to which a compensating mass (7) that vibrates in the opposite direction is associated.

Abstract: In the course of a machining of a workpiece with a tool, a drive spindle with a tilt table secured thereto of a tilt device provided on a work table of a machining center is rotated by a direct drive motor to control the relative angular position between the tool and the workpiece, and within a predetermined period of time in the course of a machining, the direct drive motor is rotated at a high speed with a spindle head and the work table of the machining center kept away to rotate the drive spindle and hence, the tilt table at a high speed, so that chips and cutting lubricant can be shaken from the workpiece and the tilt table.

Abstract: A machine tool has, on a machine bed, two stands which can be moved in the horizontal x- and z-direction, on which y-slides carrying tool spindles can be vertically moved. Arranged on one of the stands directly above a bridge projecting over its upper side is at least one tool magazine, with which a tool changer is associated for each stand. The drives for the y-slides are attached below the upper side of the stands to the stands.

Abstract: A machine tool comprising a machine frame having dimensionally rigid side walls, each including top-side horizontal guide rails. A compound slide is displaceable in or on the guide rails. On the front of the compound slide is a machining unit comprising a spindle head which is vertically displaceable. A workpiece mounting unit is disposed in the space between the side walls. The workpiece mounting unit may have a workpiece table or a workpiece chucking device. In order to form an enlarged access to the work area of the machine tool, one side wall is shorter at the front than the other side wall. Further, the linear guides or guide rails mounted to the side walls of the machine frame may be aligned at an acute angle ? to the vertical center plane of the machine frame.

Abstract: A complete machining center has a horizontal machine bed (1) with a vertical-axis trunnion (2) pivotal horizontally with computer-coordination proximate a first-end portion (3) and a traveling tool column (4) with computer-coordinated horizontal X and Y axes and vertical Z tool travel on a compound slide (6) proximate a second-end portion (5) for horizontal access of a cutting tool (12) on the traveling tool column to work pieces on a work-piece rotator (10) and for horizontal access of the cutting tool to work pieces on a vertical-axis milling table (38), either of which are positioned on the horizontally pivotal vertical-axis trunnion (2). A work-piece changer (31) is provided for optionally manual or computer-coordinated work-piece setup, setup reversing and finished-work-piece removal.

Abstract: The invention provides a composite working lathe capable of improving the efficiency of workpiece machining area by arranging a workpiece handling device below a spindle of the composite working lathe. The composite working lathe 1 comprises a spindle 20 and a tool spindle 30 on a bed 10. A workpiece handling device 40 arranged below the spindle 20 can be moved along a W axis parallel to the axis line C1 of the spindle. The workpiece handling device 40 has a workpiece handling head 50 that pivots in the direction of arrow F around an axis line C2, and grips the workpiece K1 via a gripper 60. The axis line C2 is an axis perpendicular to the vertical plane including the axis line C1 of the spindle 20, and the workpiece handling head 50 is raised for 90 degrees when the gripper 60 receives the workpiece K1 from the spindle 20. The angular position of the workpiece handling head 50 is allocated and the workpiece K1 is machined via a tool T1 on the tool spindle 30.

Abstract: A machine tool is provided with a machining unit, a base plate, an intermediate plate, a lower plate, and a pair of upper plates. The machining unit is fixed to a frame. The base plate is movable along a rail on the frame. The base plate moves a work piece toward and away from the machining unit. The intermediate plate is movable along the rail between the machining unit and the base plate. The intermediate plate pushes a reference plane of the work piece set on the base plate so that the work piece is positioned in a machining position. The lower plate is tiltably connected to the base plate and the upper plates are tiltably connected to the lower plate.

Abstract: A rectangular parallelepipedic (cuboidal) work is fixed by clamping the opposing two edges between clamp jaws attached to a pair of clamps. With the work fixed, at least one surface of the work is machined. Then, the position of the work is changed by rotating the clamps and the work all together around the rotating axis, and the other surface is machined. The foregoing step is repeated to machine all the six surfaces of the work, during which the work is kept fixed by clamping.

Abstract: In the course of a machining of a workpiece with a tool, a drive spindle with a tilt table secured thereto of a tilt device provided on a work table of a machining center is rotated by a direct drive motor to control the relative angular position between the tool and the workpiece, and within a predetermined period of time in the course of a machining, the direct drive motor is rotated at a high speed with a spindle head and the work table of the machining center kept away to rotate the drive spindle and hence, the tilt table at a high speed, so that chips and cutting lubricant can be shaken from the workpiece and the tilt table.

Abstract: A tilt table for use with a milling machine. The tilt table includes at least one pivot support attachable to the milling machine. The tilt table includes a table top pivotally attached to the at least one pivot support. The table top has two ends. The tilt table includes at least one movement assembly attached to at least one end of the table top to move the table top about the at least one pivot support.

Abstract: A workpiece table arrangement for a milling and drilling machine comprising a rigid machine tool frame comprising an upper cross girth, a machining unit movable on the front side of the cross girth along at least two coordinate axes by means of a motor and including a rotationally driven work spindle including exchangeable tools. The workpiece table is disposed in front of the machine tool frame and horizontally movable along at least one coordinate axis by means of a motor and comprises a tabletop for clamping at least one workpiece. The machine tool frame comprises two rigid side walls rigidly connected to each other by the upper crossbar and a front end.

Abstract: A workpiece table arrangement for a milling and drilling machine comprising a rigid machine tool frame comprising an upper cross girth, a machining unit movable on the front side of the cross girth along at least two coordinate axes by means of a motor and including a rotationally driven work spindle including exchangeable tools. The workpiece table is disposed in front of the machine tool frame and horizontally movable along at least one coordinate axis by means of a motor and comprises a tabletop for clamping at least one workpiece. The machine tool frame comprises two rigid side walls rigidly connected to each other by the upper crossbar and a front end.

Abstract: An inclining and rotating table apparatus is provided with a rotary table device having a driven rotating shaft driven to rotate by a first drive source, and a rotary table driven to rotate by the driven rotating shaft; a driven turning shaft for causing inclination of a table surface of the rotary table device by causing the rotary table device to turn, the driven turning shaft being driven to turn by a second drive source; and a clamping device for clamping at least one of the driven rotating shaft and the driven turning shaft.

Abstract: A multi-purpose support table for a router having a base, and a table subassembly that includes a primary work surface pivotally attached to the base, a fence affixable perpendicularly with respect to the primary work surface, and a router mounting plate attached to the primary work surface and adapted to receive a router. The tilting mechanism enables the table subassembly to be pivoted relative to the base and locked in a first position where the primary work surface is generally horizontal and a router axis is oriented vertically, or a second position where a fence work surface and the router axis are generally horizontal. The fence work surface can be positioned with respect to the primary work surface in order to allow precise beveled cutting of the workpiece. The fence further includes a tower and at least one sliding member that can receive various cutting tools and can be slidably positioned along the length of the tower.

Abstract: Machine tool furnished with: a table (20) free to swivel about a horizontal swivel center axis, and having a table body (22) for carrying a workpiece, and an axially rotatable rotary shaft (23) disposed with the axis of the rotary shaft (23) coinciding with the swivel center axis, with a first end of the rotary shaft affixed to the table body (22); a support structure (15) for supporting rotatably the rotary shaft (23) via a bearing (15b); a swivel drive mechanism (25) for axially rotating the rotary shaft (23); riding members (31) abutting on an outer-peripheral locus on a rotary shaft (23) second end, off a portion, supported by the bearing (15b), of the rotary shaft (23); and hold-down mechanisms (32) arranged on the support structure (15), for supporting the riding members (31) and thereby pressing on and apply a load to the rotary shaft (23) outer-peripheral locus from above.

Abstract: A device has a base which supports a rotatable table. The device includes a three position locking system. The first position locks the table to the base, the second position releasably locks the table to the base and the third position permits free rotation of the table on the base. A lever assembly, a locking rod and a locking spring function together to provide for the three positions.

Abstract: An apparatus and method for machining of thin panels, in particular, panels having a complex shape, specifically non-deformable panels, in which the panel to be machined is placed beforehand in an isostatic position, characterized by: one defines one or more areas of a predetermined extent for purposes of machining, named machining windows, in the area of the panel to be machined; and perpendicular to each machining window; one of surfaces of panel is held in position without introducing positioning hyperstatism; the actual shape of the aforementioned surface is measured; the desired machining operation is performed on the opposite surface by taking the aforementioned measured surface as a reference; and the aforementioned surface is released.

Abstract: A quick set-up tilt table for securement to a precision vise of a tool. The tilt table is made from a plate of metal with a pair of flat parallel sides with holes formed in an arc for insertion of pins. The tilt table may be placed in the precision vise with pins inserted in appropriately marked holes and resting against the top of the precision vise to provide an upper surface to which a clamping fixture may be attached at the desired angle.

Abstract: A compound miter saw includes a unique table assembly which incorporates an orientation system for a group of wear plates and a three position lock system. The wear plates between the table assembly and the base of the miter saw have a different configuration at each end which requires them to be assembled into the table saw with any burred edge being positioned away from the table assembly. The lock system incorporated into the table assembly is movable between three positions. The first position locks the table to the miter saw. The second position permits rotation of the table with a spring loaded detent system releasably locking the table at various miter angles. The third position permits rotation of the table with the spring loaded detent system being disengaged providing free movement of the table.

Abstract: In the multi-axial machine tool, a table unit is detachably mounted on the upper surface of the interior portion of a portal bed disposed on a leg. The table unit comprises a table base fixed to the upper surface of the leg, a turning table which, when it is viewed at a reference working position, is turnably disposed on an inclined turning surface of the table base formed so as to be inclined in a descending manner toward a front side of the machine tool, and a work table disposed on the table support portion of the turning table so as to be turnable around axes lying in parallel with the axis of a spindle.

Abstract: A worktable for numerical control machines, having a supporting structure hinged to the frame of the machine tool, and a faceplate fitted for rotation to the supporting structure to rotate, on command, about a first reference axis; the worktable having a first drive unit specially designed, on command, to rotate, and maintain rotation of, the faceplate at high speed about the first axis, and a second drive unit specially designed to vary, as required, the angular position of the faceplate about the first axis and with respect to a predetermined angular reference.

Abstract: A numerical-control milling machine having a supporting frame; a worktable fitted to the supporting frame so as to oscillate about a substantially horizontal first axis of rotation, and in turn having two rotary platforms, each for accommodating a workpiece; and two independent work units, each of which is fitted movably to the supporting frame, alongside the worktable, is positioned facing a corresponding platform, and provides for machining the workpiece on the platform; the two work units selectively operating either asynchronously, to machine the workpieces fixed to the two platforms independently of each other, or synchronously to perform the same machining operations simultaneously on the workpieces fixed to the two platforms.

Abstract: One embodiment of a drill press table accessory has a work surface with an opening therethrough for passing at least a portion of a drill bit. A vacuum channel communicates with the opening and with a vacuum port for connection to a vacuum source. In operation, a pressure differential may be communicated from the vacuum source to the opening to remove dust and debris as a work piece is operated on. An additional drill press table embodiment has upper and lower tables hingedly attached whereby the upper table may be oriented at an angle to the lower table so that a work piece can be operated on at an angle.

Abstract: A longer life, low cost tool and tool holder enabling change of posture with respect to a spindle, having a high machining accuracy of a workpiece, and resistant to generation of vibration or heat, provided with a working tool for processing a workpiece, a motor having an output shaft to which the working tool is connected and rotating the working tool, a first holder for holding the working tool and the motor, a mount attached to the spindle, a generator to which rotational force is transmitted from the spindle through the mount and generating electric power for driving the motor, a second holder for holding the mount rotatably, holding the generator, and engaged with a nonrotating portion of the machine tool, and a posture adjustment mechanism which connects the first holder and the second holder and is able to change the posture of the working tool with respect to the spindle.

Abstract: A workpiece changing system capable of automatically changing a heavy workpiece using a robot. A jig for attaching a workpiece thereto is mounted on a jig mounting device. The jig mounting device comprises a jig mounting unit having a rotary member and a swing member. The rotary member rotates the jig and the workpiece on the jig and hold them at a desired rotary position. The tilting member swings around an axis to tilt the jig and the workpiece on the jig and hold them at a desired tilting position. As the jig and the workpiece on the jig can take a suitable orientation or posture for being handled by the handling robot, the handling robot can hold a heavy workpiece without exerting excessive load on the robot wrist.

Abstract: A workpiece holding means for machine tools and more particularly for milling and/or drilling machines, comprising a pivoting bridge supported between two bearing walls. The bearing walls respectively laterally delimit a working area. At least one drive motor serves for pivoting the pivoting bridge, such motor being arranged outside the working area on at least one outer side of the bearing walls. The pivoting bridge is provided with a gear ring adjacent to one or both of the inner sides of the bearing walls, such gear ring being drivingly connected with the drive gear wheel driven by at least one drive motor. The bearing points or bearing pins of the pivoting bridge accordingly do not have to transmit any drive torque and are not subjected to any torque load so that more precise running and more precise positioning is possible.

Abstract: A chucking device, in particular for workpieces that are to be machined on more than one side, has a workpiece carrier with at least one turret, arranged to receive workpieces, that is supported rotatably about an axis of rotation on the workpiece carrier, A positive-engagement locking device is associated with the turret, on the workpiece carrier, by which locking device the turret can be locked positionally precisely in a predetermined rotary angle position relative to the workpiece carrier. The locking device has at least three locking parts disposed coaxially to one another, which on the plane faces facing one another each carry pairs of cooperating locking means that can be brought into and out of engagement with one another by means of an axial relative motion of the locking parts.

Abstract: The invention relates to a device (1) for mechanically rough and or finish machining workpieces, especially flash trimming cast parts. The device has at least one multiaxial robot (2) or manipulator for this purpose. The robot or manipulator supports at least one tool for machining workpiece(s). The device (1) is also provided with a clamping device (5) for holding the workpiece or cast part to be machined. The provision of a magazine (6) for multiple exchangeable tools is also advantageous. The process of changing tools on the robot (2) is preferably program-controllable.

Abstract: In a finishing apparatus, a plurality of works are retained at distances from each other in a direction of an X-axis. A single spindle is disposed on a table movable in the direction of the X-axis, the spindle has an axis parallel to an axis of each of bores to be finished, and is capable of being advanced and retracted axially. A measuring device is provided that measures an inside diameter of each finished bore and which is advanced and retracted independently from the spindle in a direction along the axis of each finished bore. A combination tool is mounted at a tip end of the spindle and finishes an inner surface of any of the bores to be finished, even if the position of insertion of the combination tool into each of the bores is changed.

Abstract: A chucking device, in particular for workpieces that are to be machined on more than one side, has a workpiece carrier with at least one turret, arranged to receive workpieces, that is supported rotatably about an axis of rotation on the workpiece carrier, A positive-engagement locking device is associated with the turret, on the workpiece carrier, by which locking device the turret can be locked positionally precisely in a predetermined rotary angle position relative to the workpiece carrier. The locking device has at least three locking parts disposed coaxially to one another, which on the plane faces facing one another each carry pairs of cooperating locking means that can be brought into and out of engagement with one another by means of an axial relative motion of the locking parts.

Abstract: A system enables a consumer to generate a filtering program based on criteria set forth by a system operator during run time. During system operation, the operator selects appropriate filtering criteria from a display screen associated with a respective consumer. Each consumer implements filtering criteria in a filtering program that is registered with a distributor. The filtering program may include simple true or false tests, or more complex tests. The distributor compiles each filtering program during registration and thereafter dynamically loads the compiled program before executing filtering queries.

Abstract: A machining center has machine tools which each have a working space for machining workpieces 21, a clamping station 18 in which workpieces 21 to be machined are clamped into workpiece holders 19, and a loading device which transports the workpiece holders 19 between the clamping station 18 and the working space of at least one machine tool. A multiple coupling 70 for transferring fluidic energy, which is selectably docked in the clamping station 18, is provided on the workpiece holder 19 (FIG. 5).

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: An elongated and cross-section polygonal work piece carrier (1) has at least two clamping surfaces (2) extending parallel to its longitudinal axis (3). It is retained in bearing (5, 9) at least at one end, to be rotatable about its longitudinal axis over 360°. Each of the clamping surfaces (2) is supplied with at least two rotatable work piece holding tables (11) located in a row adjacent each other. The holding tables (11) are coupled by gears (25, 26, 33) with each other and with a common drive gear (35) in such a manner that all tables, in dependence on the rotation of the work piece carrier (1) about its longitudinal axis (3), will rotate over its respective rotation axis (12) about a predetermined angle, depending on the angle of rotation of the work piece carrier; an interrogation device is provided to interrogate whether all rotated tables are in predetermined, locked angular positions.

Abstract: A workpiece inversion system for orienting a workpiece in a conventional milling machine or the like. The workpiece is securely attached to a pallet. The pallet is of uniform design to provide a standard interface for presenting the workpiece to the milling machine. The pallets are transported to the milling machine where a combination of parts senses the pallet orientation. Upon arrival to the input station the pallet mates with an inverting receptor adjacent the input station. An actuator rotates the pallet 180 degrees thereby inverting the pallet and the attached workpiece. The inverted pallet is moved onto an inverted linear actuator disposed within the volume above the milling head. The inverting receptor returns to it original position to receive another workpiece. The inverted workpiece is moved through the machining area. As machining occurs, debris dislodged by the force of forced oil lubrication and gravity will fall away from the workpiece.

Abstract: A universal roll-over cylinder head clamping fixture utilizes columns to support a first and a second pillow block. Each pillow block has a spherical recess that accepts a spherical joint. Spherical joints are positioned on extensions of a device that fastens to and/or supports a first end and a second end of a cylinder head. Each column of the fixture is free to move up or down independently form any other column of the clamping system. The spherical joint and independently operated columns provide a cylinder head clamping fixture that provides rotation and tilting of a cylinder head to any desired position.

Abstract: The invention relates to a novel machine tool system provided with selectively energizable magnets for selectively moving a support for a work piece clamping plate into a floating condition and for changing the disposition of the clamping plate relative to operating tools. The floating condition permits movement of the clamping plate substantially without frictional engagement between the clamping plate support and structure such as a machine bed on which the support is movably mounted.

Abstract: A universal combined milling and boring machine having a machine column, a compound slide that can traverse horizontally on the machine column, a spindle head mounted on the compound slide so that it can traverse vertically, with a work spindle, a rotary table mounted so it can pivot over a supporting console on the machine column and a control unit. Multiaxial machining with relatively inexpensive control technology and a control system with optimum visual contact with the machining site are made possible according to this invention due to the fact that the supporting console is mounted on the machine column so it can rotate about a horizontal swivel axis. The swivel axis is offset laterally relative to the central axis of the combined milling and boring machine; the rotary table is mounted centrally on the console so it can rotate about an axis of rotation normal to the swivel axis; and the control unit includes a portable control console.

Abstract: A relative positioning machine has a first panel for supporting a spindle thereon, a second panel for supporting a workpiece, first through fourth support mechanisms by which the first and second panels are tiltably supported for angular movement about an X1 axis, an X2 axis, a Y1 axis, and a Y2 axis, and first through fourth actuator mechanisms for individually tilting the first and second panels about the X1 axis, the X2 axis, the Y1 axis, and the Y2 axis. The spindle 11 and hence a machining unit such as a drill bit mounted thereon, and the workpiece can quickly and easily be positioned relatively to each other for allowing the machining tool to machine the workpiece at any of various areas at various angles on the workpiece. The relative positioning machine is relatively small in size and allows the workpiece to be machined quickly by the machining tool.

Abstract: In connection with a device for receiving workpieces, in particular for machine tools with continuous-path control, preferably numerically controlled machine tools, a dividing mechanism having a dividing spindle, which is seated in a housing, can be brought into predetermined angular positions and is connected with a workpiece holder. It is possible to achieve an exact and rapid setting of the dividing mechanism in that it is arranged for actuation by means of a continuous-path-controlled actuator, by which an indexing mechanism associated with the dividing spindle, with whose aid the dividing spindle can be locked in place in a predeterminable angular position, can be brought into a position which releases the dividing spindle, and through which the dividing spindle can be rotated.

Abstract: A program-controlled machine tool with automated tool changing, where the machine tool consists of a motor-driven machining unit with a working spindle that can be moved in at least one coordinate. The machine tool also includes a work table that can be driven by a motor in at least one coordinate, at least one tool magazine, and a programmable control unit. In order to be able to carry out tool changing operations without any auxiliary equipment, especially without a tool changer, within a short period of time, the tool magazine is mounted in a certain spatial arrangement with the working area of the machining unit so that its changing position can be approached directly by the working spindle in order to carry out the tool changing operation.

Abstract: A crankshaft is mounted in a fixture which rotates the crankshaft about its longitudinal axis and which tilts the cranksahft about a horizontal axis to allow matching of holes such as oil holes at various rotational positions and at various tilt angles to the longitudinal axis. Preferably, a cutting tool moves along a horizontal plunging axis Z to machine the depth of the hole and moves along a horizontal X axis to machine holes on or offset from the longitudinal axis. The cutting tool may also be shifted vertically along a Y-axis. Preferably, a pair of crankshafts are mounted side-by-side in the fixture to machine two crankshafts simultaneously. The fixture is mounted for tilting by trunnions. The pair of crankshafts are spun about the longitudinal axes by a motor carried on the tiltable fixture. An automatic tool changer and loading apparatus store cutting tools and associated guide bushings for the cutting tools.