Abstract: A modular manufacturing system and methods of using are provided. The modular manufacturing system includes a plurality of manufacturing heads that perform different manufacturing processes. These heads may include multi-axial machining heads, fiber placement heads including fiber tow and fiber tape lay-up heads. The heads are fixably attachable to a single positioning system that can manipulate the various heads along a plurality of different degrees of freedom relative to a tool or material blank.

Abstract: A machine tool includes a movement device, which has a first feed shaft and a second feed shaft that mutually intersect, and a plurality of tools, which are driven by the movement device and respective blade edges of which are staggered stepwise. The blade edges of the tools are aligned with the second axis due to the inclination of the tools as a unit. The machine tool is capable of executing center level adjustment of a plurality of tools mounted on a tool post against a workpiece having a larger diameter, and is also capable of reducing wasted time in non-cutting operation via equal stroke lengths of the tools.

Abstract: A manufacturing method employing a robotic assembly system includes first and second fastener system components that are positioned by a robotic assembly on opposite sides of at least two structural pieces that are to be fastened together. The first system component includes a particular tool of a plurality of different types of tools, where the particular tool installs a particular fastener of a plurality of different types of fasteners. Each tool includes a block or base of magnetic material with a passageway opening for the fastener associated with the tool passing through the base. The robotic assembly positions the tool against one side of the structural pieces to be fastened, and positions an electromagnet assembly on the opposite side of the structural pieces. Activating the electromagnet assembly clamps the structural pieces together. With the fastener positioned in a hole through the structural pieces, the tool is activated to install the fastener between the structural pieces.

Abstract: A machine tool having a turning function and a milling function includes a spindle, a spindle housing supporting the spindle in a rotatable manner, a main clamp provided at the spindle, an auxiliary clamp provided at the spindle housing, and a double arm with a first gripper and a second gripper. The auxiliary clamp clamps a tool holder together with the main clamp during fixing a fixed tool. The double arm exchanges a tool holder grasped at the first gripper for another tool holder grasped at the second gripper by rotating and sliding movements. The auxiliary clamp is arranged at a position not interfering with the double arm that moves during exchanging tool holders. By such a configuration, a machine tool achieving a clamping force sufficient to withstand the load during a turning process, and that allows tool exchange in a short period of time, and a tool holder employed in such a machine tool, can be provided.

Abstract: This repair device includes a casing, a slide shaft slidably arranged with respect to the casing, a turn table rotatably arranged with respect to the slide shaft, a cutting mechanism installed on the turn table and including a cutting tool, and an advancing and retracting mechanism that displaces a radius of rotation of the cutting mechanism with respect to rotations of the turn table forward and backward. In a state where the casing is centered and positioned with respect to the pipe, the turn table is rotationally displaced while the slide shaft slides in an axial direction, and the advancing and retracting mechanism displaces the cutting mechanism forward and backward. Accordingly, the cutting tool helically turns along an inner peripheral shape of the pipe to cut an inner periphery of the pipe.

Abstract: A combination trimming/flame treatment end effector adapted for mounting to the end of a robotic arm. A trimming blade extends from a main body portion of the end effector for performing a trimming operation. The trimming blade may be mounted in an exchangeable cartridge to facilitate blade changing. Also extending from the main body portion is a flame treatment element for performing a flame treatment operation. The flame treatment element generally comprises a torch or burner. Because both the trimming blade and the flame treatment element are part of the same end effector, the robot simply manipulates the end effector such that the desired one of the trimming blade or the flame treatment element is properly positioned for use. As such, a tooling change can be avoided. While not restricted thereto, it is contemplated that an end effector of the present invention may be used to process vehicle bumper fascias.

Abstract: A method and apparatus for cutting teeth in workpieces, wherein, in a roughing operation, a substantially uncut blank receives rough teeth using a cutting tool having cutting teeth. Operation teeth are produced, the tooth width of which is defined by the spacing between the flanks of the teeth and is greater than the target dimension. In a subsequent deburring operation, a chamfer is incorporated into the end face edge of the tooth flanks, accompanied by the removal of an end face burr. Lastly, in a smoothing operation, the tooth width of the teeth is brought to the target dimension by machining the tooth flanks.

Abstract: Instead of a conventional slide arrangement Z/X/Y and a B-axis that is pivotable thereon, a more compact and less complex configuration is achieved in that a tool support that is pivotable about the B-axis is directly placed onto the X-slide and only a single rotationally drivable tool spindle is additionally movable in Y-direction in this pivotable tool support, whereas all other tool receivers for stationary tools are fixated at the support.

Abstract: The machining device is for machining the material of a pipe system that has a joint area between a pipe that has a smaller inner diameter and a pipe that has a larger inner diameter. The device has protruding parts that have been adapted to position the device inside the pipe that has the smaller diameter. A steerable actuator is adapted for removing material from the joint area and steering device for controlling the direction of the machining device in relation to the longitudinal axis of the pipe that has the smaller inner diameter while removing material from the joint area. The method is for machining material of the joint area that has a thinner and a thicker pipe.

Abstract: A method of manufacturing a lift transmitting component (2), particularly for a gas exchange valve train or a fuel pump drive of an internal combustion engine (1), is provided, The lift transmitting component includes a housing (6), a bearing pin (7) fixed in a reception bore (9) of the housing (6) and a roller (8) mounted through a sliding or a rolling bearing on the bearing pin (7). The bearing pin is core-hardened over an entire axial length to a core hardness of at least 650 HV, and pin ends (10) of the core-hardened bearing pin are radially widened relative to the reception bore for enabling a connection of the bearing pin to the housing (6) through positive engagement. The hardness of the bearing pin is at the most 780 HV, the radial widening of one of the pin ends being realized with a shaping die (11) which travels axially parallel to the bearing pin (7) and applies a force to the pin end in a transition region between a periphery and a front end surface of the bearing pin.

Abstract: An enhanced automatic riveting system of the type used in robotized precision facilities to perform multiple functions, such as boring, reaming, rivet insertion, riveting, cleaning, etc. at a single work point, using the same equipment, characterized by the fact that it uses a multi-tool head, which does not move itself but is fixed on a parallel kinematic machine, which carries out all the combined positioning movements of the multi-tool head, performing the relevant position corrections between the different physical locations of the separate tools placed in the tool-holder head.

Abstract: The spindle drive unit of a combined machine tool drives the spindle. The tip end of the spindle is provided with a boring tool and a tool head having a rough grinding stone and a finishing grinding stone. The spindle drive unit has a first support unit and a second support unit capable of receiving the spindle therethrough and supporting it rotatably, a linear motor and a column slide mechanism for moving the first and second support unit in the axis direction of the spindle, and a spindle motor for rotating the spindle.

Abstract: The present invention provides an apparatus for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have grooves 12 there-in that engage the keybars to provide a secure fit of the laminations to the generator frame. By extending two or more of the keybars 6, these extensions 7 may be used as rails on which the laminations may be horizontally inserted into the stator frame.

Abstract: Tool arrangement for the production of helical teeth in gear wheels, wherein a roughing hob (20), at least one deburring cutter (16, 18) and a finishing hob (12) can be fastened on a common mandrel (14) in a predetermined rotational position relative to one another, and the teeth of the finishing hob, which are situated along a helical line, each have a different cross section such that the engagement angle of the right or left flanks decreases continuously starting from a maximum value of the first tooth up to the last tooth, and the maximum engagement angle of the right flanks of the first or last tooth coincides with the minimum engagement angle of the left flanks, and vice versa.

Abstract: Tool and method for machining a workpiece, such as a milling tool, including at least one cutting insert and including a grinding wheel, for machining a workpiece, and the method thereof. The grinding wheel is axially extendable relative to a base body of the tool via fluid actuation from a cooling fluid supply. Additionally, cooling fluid is also provided to a grinding surface of the grinding wheel.

Abstract: A machine for machining workpieces, for example plastic spectacle lenses, has a workpiece spindle which rotates the workpiece about a workpiece rotation axis, and a fast tool arrangement which moves a turning tool in the direction to and from the workpiece, wherein the workpiece spindle and the fast tool arrangement can moreover be moved relative to one another in a direction transverse to the workpiece rotation axis. A tool holder is connected to the fast tool arrangement and carries the turning tool. An engraving tool is spaced from the workpiece rotation axis and has an essentially point-shaped end facing towards the workpiece. The engraving tool can be moved in the direction of the workpiece and away therefrom in a highly dynamic manner via the tool holder, so that a marking can be produced on the workpiece in particular by a needling engagement of the engraving tool with the workpiece.

Abstract: A multiple tool station block for a machine having a Y-axis, such as a CNC machine, is provided.

Abstract: An installation device for a gradient coil module in a magnetic resonance tomography apparatus has a loading cart that moves the gradient coil module away from and to the magnetic resonance tomography apparatus. A bearing girder having a track is fastened to the loading cart. Track rollers can be installed on the gradient coil module such that the gradient coil module can be moved relative to the loading cart by means of the track rollers resting on the track.

Abstract: The invention relates to a multifunctional unit for machining workpieces preferably consisting at least partially of wood, wood materials, plastics or the like, with a plurality of vertical drill spindles, a plurality of horizontal drill spindles, and at least one fixed saw comprising at least one saw blade with a horizontal axis of rotation. The multifunctional unit according to the invention is characterised in that it is mounted and driven by a mounting means in such a way that it may be rotated about at least one vertical axis of rotation.

Abstract: A multi-tool having a plurality of tool-receipt openings adapted to receive respective tools. The multi-tool can be used on turret presses, single-station presses, other industrial presses, or other fabrication equipment.

Abstract: The present invention provides an apparatus for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have grooves 12 there-in that engage the keybars to provide a secure fit of the laminations to the generator frame. By extending two or more of the keybars 6, these extensions 7 may be used as rails on which the laminations may be horizontally inserted into the stator frame.

Abstract: A machine tool having a turning function and a milling function includes a spindle, a spindle housing supporting the spindle in a rotatable manner, a main clamp provided at the spindle, an auxiliary clamp provided at the spindle housing, and a double arm with a first gripper and a second gripper. The auxiliary clamp clamps a tool holder together with the main clamp during fixing a fixed tool. The double arm exchanges a tool holder grasped at the first gripper for another tool holder grasped at the second gripper by rotating and sliding movements. The auxiliary clamp is arranged at a position not interfering with the double arm that moves during exchanging tool holders. By such a configuration, a machine tool achieving a clamping force sufficient to withstand the load during a turning process, and that allows tool exchange in a short period of time, and a tool holder employed in such a machine tool, can be provided.

Abstract: A method for cutting a ribbon of rubber-coated fabric includes dragging a free end of the ribbon past a working position of a punching device, forming a notch between two adjacent reinforcing cords of the ribbon using the punching device, moving a counter-blade of the punching device away from the working position, inserting at least one cutting blade through the notch, and performing first and second cuts of the ribbon. An associated apparatus includes a punching device and a cutting device. The punching device includes an incision tool, an abutting counter-blade, and control devices for moving the incision tool and the abutting counter-blade toward and away from the ribbon. The cutting device includes at least one cutting blade and a control device for moving the at least one cutting blade toward and away from the ribbon.

Abstract: The invention involves a die holder for a press, such as a metal-fabricating press. The die holder can be configured to receive a die, and can include a clamp portion and a wall portion. Preferably, the clamp and wall portions can be positioned in an open configuration or a closed configuration, and the die holder can be adjusted from an unclamped configuration to a clamped configuration. The die holder may have a die-release mechanism useful for overcoming stiction and facilitating removal of the die from the die holder.

Abstract: A vehicle framing system for framing an automotive vehicle body from a plurality of separate body components wherein the body components each include a reference surface. The system includes an assembly station having spaced-apart frame members positioned so that, when a vehicle carrier supporting the vehicle body components is positioned at the assembly station, the frame members extend along opposite sides of the vehicle carrier. At least two docking stations are secured to each frame member at predetermined locations. A robot mounts its associated tool arm with a docking station. At least one set of reference block and framing clamp is secured to each tool arm and these framing clamps maintain the reference surfaces of the vehicle body components against the reference blocks to hold the vehicle components at a predetermined position relative to each other.

Abstract: A coupling device for connecting tools with different configuration to a driving mechanism. The coupling device may have a longitudinal axis, a first clamping device which may engage a tool with a peg-shaped clamping segment and a second clamping device which may engage a tool with a generally flat portion. The coupling device may be used to connect a tool to a drive shaft which may be attached to a motor. The tools may be locked or unlocked relative to the coupling device by sliding a sleeve along the axis of the coupling device. The sleeve may be biased in a locked position by biasing means such as a spring. The coupling device may be configured so that the first and second tool may be prevented from rotating and/or moving axially with respect to the drive shaft.

Abstract: A system is disclosed to use a rotary milling head to break or cut the bond of a heat transfer fin base to a boiler tube, thereby removing the heat transfer fins from the boiler tube to facilitate the more efficient repair of the boiler tube.

Abstract: A method and a tool head are provided for the chip-removingly machining of pairwise symmetrical, optically effective surfaces, in particular of surfaces of progressive power spectacle lenses. The spectacle lenses are rotated about a first axis and are displaced along the axis. Further, a chip-removing tool is provided being positioned and being adapted to be fed-in, such that a cutting edge of the tool is guided over the surface along a spiralled path and along an elevation function given by the shape of the spectacle lens, when the latter is rotated about the first axis. For machining right side spectacle lenses and left side spectacle lenses, the right side spectacle lenses are rotated about the first axis in a first rotational direction, and the left side spectacle lenses are rotated about the first axis in a second rotational direction opposite the first rotational direction.

Abstract: A laser processing machine is provided in which a machining tool is automatically exchanged with a laser processing tool to be mounted to a processing head thereof to perform machining operations such as tapping to works. A machining tool 70 which is exchangeably clamped to a mounting section 510 of a processing head 50 of a laser processing machine has a body 720 and a piston member 730 in the body 720, and the piston member 730 supports an air motor 740, a reducer 750, a tool chuck 760, and a tap 762. Air is sent to the air motor 740 from an air source 551b by switching a valve, and an assist gas for a normal or reverse rotation is sent from an assist gas source 554b to the upper portion of the piston member 730, so that a tap is lowered to perform tapping to a work.

Abstract: Provided is an apparatus for assembling a camera module comprising a support frame that is formed in a rectangular shape and has a jig horizontally connected to an upper end thereof; a plurality of stages that are vertically stacked and installed in the support frame and adjust a printed circuit board (PCB) in three-axis directions; a board holder that is formed to extend from one end of the uppermost stage and has the PCB mounted on the extending end thereof; and a jig assembly that is disposed on an opening of the jig and has a barrel-integrated housing mounted on the central portion thereof.

Abstract: The present invention provides an apparatus for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have grooves 12 there-in that engage the keybars to provide a secure fit of the laminations to the generator frame. By extending two or more of the keybars 6, these extensions 7 may be used as rails on which the laminations may be horizontally inserted into the stator frame.

Abstract: A two gun tool dolly which is capable of firing and inserting two, three or four nails into plate, header, or footer frame members at predetermined locations thereof so as to fixedly secure top and bottom plate, header, or footer members to stud frame members of a wall structure or wall panel.

Abstract: The invention provides a machining center having a first main spindle unit and also a second main spindle unit with a ram shaft attached to a vertical machining center. A machining center 1 comprises a rotary table 20 that moves in the direction of an X-axis on a bed 10, and a cross rail 40 supported by a column 30 and moving in the direction of a Z-axis. A first main spindle unit 60 is attached to a saddle 50 supported by the cross rail and moving in the direction of a Y-axis. The first main spindle unit 60 is equipped with a first main spindle 70 that rotates around a B-axis. A second main spindle unit 100 disposed between the first main spindle unit 60 and the saddle 50 is equipped with a ram shaft 110 that moves in the direction of a W-axis and a turning head or a milling head that is replaceably attached to the leading end of the ram shaft.

Abstract: A milling head for a milling device, particularly a rotary milling device, wherein the milling head is capable of imparting a desired finish on a tube, preferably of a heat exchanger tube. The milling head includes one or more milling elements capable of cutting and/or removing heat dissipating elements connected to an outer surface of the tube. The heat dissipating elements are removed from the tube in a longitudinal direction along the tube length. In one embodiment, the milling head also includes a bevel milling element. Methods for milling a tube having heat dissipating elements are also described.

Abstract: A valve seat and valve guide machining tool for the precision machining of valve seats and valve guides in a cylinder head of an internal combustion engine is disclosed, comprising at least two tool parts (3,5) of which a first comprises at least one geometrically defined cutter (11), provided for the valve seat machining and a second comprises at least one geometrically-defined cutter (15), provided for valve guide machining, which are connected to each other by means of a precision interface (17). The precision interface (17) is a squat conical connection, comprising a first plane surface (19) on the first tool part (3) and second plane surface (21) on the second tool part (5), arranged perpendicular to a mid-axis (23) of the tool (1) and, in the assembled state of the tool (1), lie adjacent to each other, said first tool part (3) being made from steel.

Abstract: A working device of a noncircular workpiece, such as a piston of an internal combustion engine, is improved. A workpiece 10 is held by a work spindle and rotated. A noncircular working device 100 has a noncircular working unit base 110 and is provided with a servo motor 104. A noncircular working unit 120 is positioned along a Y axis, and an arbitrary cutting tool 133 is selected from a cutting tool group 130. A servo motor 112 reciprocates the noncircular working unit 120 on an X2 axis in synchronization with the rotation of the work spindle and performs noncircular working of the workpiece 10.

Abstract: A tool for fine machining of work pieces involving metal removal is proposed having at least one cutter (13) for preliminary machining with a geometrically defined cutting edge (15) and having at least one cutter (21) for final machining with a geometrically defined cutting edge (23). The characteristic of the tool is that the cutter (13) for preliminary machining is part of a preliminary machining stage (3) and the cutter (23) for final machining is part of a final machining stage (5) and that an interface (9) located between the preliminary machining stage (3) and the final machining stage (5) is provided with a first flat surface (27) and a second flat surface (29) which are located on the preliminary machining stage (3) and the final machining stage (5) and which has a device (11) ensuring the coaxiality of the preliminary machining stage (3) and the final machining stage (5) to each other.

Abstract: The present invention provides a method for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have grooves 12 there-in that engage the keybars to provide a secure fit of the laminations to the generator frame. By extending two or more of the keybars 6, these extensions 7 may be used as rails on which the laminations may be horizontally inserted into the stator frame.

Abstract: An edge-machining device in particular plastic spectacle lenses (L) has two aligned holding shafts (14, 16) rotatable with a controlled angle of rotation (?B) about a rotational axis of a workpiece (B) between which the lens may be clamped and a tool spindle (12) rotationally drives a combination tool (10) about a rotational axis of a tool (C) running parallel to the rotational axis of the workpiece. The holding shafts and the tool spindle may be moved with position control towards each other in a first axial direction (X) and optionally parallel to each other in a second axial directions (Z) perpendicular to the first axial direction. The combination tool can be swivelled with a controlled angle of rotation (?C) about the rotational axis of the tool by means of the tool spindle so that a lathe tool (36) provided on the combination tool may be brought into a defined lathe machining engagement with the edge of the lens.

Abstract: A system is disclosed to use a first rotary milling head to break or cut the bond of a heat transfer fin base to a boiler tube, thereby removing the heat transfer fins from the boiler tube, and a second rotary milling head to bevel the exposed end of the boiler tube, thereby facilitating the more efficient repair of the boiler tube.

Abstract: The invention provides a shape member manufacturing apparatus and a shape member manufacturing method which aims at cutting and grinding a joint projection 8B formed when a plurality of shape members are joined together by welding or friction stir welding, in a short time with high accuracy. A plurality of mounts 11 having a side structure 8 placed thereon are arranged in the longitudinal direction of the side structure. A joint projection 8B of a welded portion or a friction stir welded joint is formed on the surface of the side structure 8 in its longitudinal direction. A carrier 100 travels in the longitudinal direction of the side structure 8. Columns 105 are installed in a girder 103 of the carrier, and a milling cutter device 80 and a grinding device 90 are installed in lower portions of the columns 105. A milling surface of a milling cutter 81 of the milling cutter device 80 has a circular-arc shape with a radius R.

Abstract: Disclosed is a turning tool for cutting circumferential grooves into a surface of a polishing pad formed of a resin material and utilized for polishing semiconductor devices. The turning tool comprising a cutting part arranged to have a tooth width within a range of 0.005–1.0 mm, a wedge angle within a range of 15–35 degrees, and a front clearance angle within a range of 65–45 degrees. A polishing pad effectively formed by using the turning tool, and an apparatus and a method of producing such a polishing pad by utilizing the turning tool are also disclosed.

Abstract: A numerical control (NC) processor with an onboard grinding unit is disclosed in which a workpiece is first cut in a preselected contour with a Y-axis cutting tool, and then subjected to honing operation intact whereby both the cutting and honing operations can be performed with just a single processor with high-speed, high-acceleration. With the NC processor, the Y-axis cutting tool is mounted on a sliding base above an X-axis table in a way allowed to move back and forth in a Y-axis direction, while a grinding unit is installed in close proximity to the sliding base. A slider moves back and forth in synchronized relation with rotation of a work spindle to first let the Y-axis cutting tool cut the workpiece into a preselected contour, and then cause a buffing material of the grinding unit to grind a work surface of the workpiece into a high-quality surface finish in conformity with a programmed contour while the workpiece remains held intact in a chucking device.

Abstract: The invention concerns a machine for the chip-forming machining and the measurement of gears and screw-type workpieces. Arranged on a swivel head (6) swivellable about an axis (A) at right angles to the rotary axis of the workpiece (4) are functional units (8a, 8b, 8c, 8d) with machining and measuring tools (10, 12, 14, 15, 17) which are displaceable radially and parallel relative to the swivel axis (A), which said tools can be brought consecutively into engagement with the workpiece (4), thus making possible the application of different tools (10, 12, 14, 15, 17) and machining techniques in the same work set-up without colliding. The work spindle (1) is driven by electric motor either directly or via a gear unit.

Abstract: An apparatus and method of utilization thereof is provided for machining pistons of reciprocating piston internal combustion engines. The piston is held in a work station by its interior cavity and the oil rings, oval side surface and hinge pin bore are machined on the piston without any refixturing of the piston required.

Abstract: A method for producing a nickel metal-hydride storage battery includes: (i) assembling a battery by enclosing the positive electrodes, the negative electrodes, separators, and an electrolyte in a case; (ii) charging the battery with electric current in a range of 0.05 C (ampere) to 0.2 C (ampere) until a state of charge rises to a range of 10% to 30%; (iii) overcharging the battery that has been subjected to the charging, with electric current in a range of 0.2 C (ampere) to 1 C (ampere), and thereafter discharging the same until the state of charge lowers to 10% or below; and (iv) subjecting the battery after overcharging to a plurality of charging-discharging cycles, each charging-discharging cycle being composed of charging the battery that has been subjected to the overcharging, with electric current in a range of 0.2 C (ampere) to 5 C (ampere) until the state of charge rises to a range of 60% to 95% , and discharging the same until a battery voltage lowers to a range of 0.70 V to 1.05 V.

Abstract: In a multiple spindle processing unit which can change processing locations of a work in accordance with a modification made to the work, the present invention is intended to facilitate changes of design corresponding to the modification made to the work and reduce the number of parts to be replaced. In a frame member which is guided and supported so as to be moved towards and away from a work, insertion holes are formed at a plurality of locations corresponding to processing locations of the work. In each of a plurality of tool main spindle assemblies, a main spindle having a front end portion where a chuck for mounting a tool is provided is coaxially journaled in a housing in the shape of a circular cylinder or a polygonal cylinder and is rotationally driven by a built-in motor. Each of the tool main spindle assemblies is mounted to the frame member with the housing inserted through the insertion hole.

Abstract: In order to improve a tool support for machine tools comprising a base unit, a holding member which is arranged on the base unit and on which two supporting surfaces extending at an acute angle to one another are arranged for supporting a tool holder in a first supporting area and a second supporting area, and a clamping device for acting on a clamping member of the tool holder in a clamping direction extending in such a manner that the tool holder acts upon the supporting surfaces with the first and the second supporting areas, in such a manner that clamping of a tool holder is possible in as simple a way as possible it is suggested that the clamping element be mounted in the holding member for rotation about an axis and bear a wedge surface movable on a path around the axis for acting on the clamping member, and that the wedge surface of the clamping element engage over the clamping member proceeding from an insert position during the rotation of the clamping element in a first direction of rotation and act

Abstract: A drive apparatus for a simultaneous operation machine includes a plurality of pulleys and drive belts in a unique orientation to simultaneously drive a plurality of spindles. A first outer spindle is driven about a first axis of rotation to perform a first operation such as machining. An inner spindle is disposed within the outer spindle and is driven about a second axis which is offset from and parallel to the first axis to simultaneously perform a second operation, such as grinding. Additionally, the drive apparatus is capable of rotating the second spindle about the second axis while orbiting about the first axis, and simultaneously rotating of the first spindle about the first axis. Preferably, a single motor is provided for driving both of the outer and inner spindles.

Abstract: Multiple operator station (1) for machine tools designed in particular for chip removal along several axes, comprises several operator units (3,4,5) suitable for coupling with a tool or a workpiece, these operator units (3,4,5) being fitted on a bearing structure (2) that is curved in shape with the concave part facing downwards, and positioned in such a way that below the zone (6) in which the part is positioned during machining, there are no functional parts of the machine subject to movement of one part in relation to another.