Abstract: Embodiments of the present invention relate to a method and machine tool for machining a workpiece on the machine tool comprising at least 5 axes with a tool by using an NC program, the machine tool comprising a clamp for clamping a workpiece and a work spindle including a tool holder for holding a workpiece. The workpiece is clamped on the tool holder of the work spindle of the machine tool, the tool is clamped in the clamp of the machine tool, and the workpiece clamped in the tool holder of the work spindle is controlled in a program-controlled manner in relation to the tool clamped in the clamp for removing material from the workpiece.

Abstract: A device for operating an automated machine for handling, assembling or machining workpieces, comprising: a display apparatus having a screen for displaying a graphic user interface for controlling and/or monitoring machine functions of the machine, an operating apparatus for inputting command-triggering operator actions for controlling functions of the machine and controlling functions of the graphic user interface, and a controller for implementing input command-triggering operator actions into control commands for controlling functions of the machine and/or functions of the graphic user interface. The operating apparatus comprises an apparatus for inputting manual operator actions and an apparatus for inputting contact-free operator actions.

Abstract: A disclosed example method for generating control data for the formation of a tooth flank by milling a workpiece on a numerically controlled machine tool with at least 5 axes, at a universal machine tool, through successive passes with a milling cutter on the machine tool based on generated control data involves defining a geometry of a tooth flank, determining a contact pattern area on the predefined tooth flank geometry, determining parameters to vary the predefined tooth flank geometry, and generating control data on the basis of tooth flank geometry modified based on the defined contact pattern area and of the defined parameters.

Abstract: Provided is a machine tool with a machine rack constructed of structural parts and components mounted thereon, the components including functional components. The functional components generate heat during the operation of the machine tool which is input into the structural parts and/or the components by heat transport. The machine tool may also include a flow channel system disposed on the structural parts and/or the components of the machine tool in which a tempering medium is circulated such that the heat generated by the functional components is distributed in the machine rack and/or the components as a result of the passage of the tempering medium.

Abstract: A numerically controlled machine tool for machining a workpiece is provided. The machine tool includes a work spindle, at least one feed axis, and a device for collision monitoring on said machine tool, wherein the device for collision monitoring includes a collision sensor mounted on a machine part of the machine tool, collision detection means for detecting a collision of machine parts of the machine tool when a measuring value detected by the collision sensor exceeds a collision limit value, and signal output means for outputting a stop signal for stopping the at least one work spindle and the at least one feed axis, of the machine tool when the collision detection means detects a collision. The machine tool includes a unit for determining the collision limit value on the machine tool.

Abstract: A process and an apparatus for generating control data, wherein a first tooth flank geometry is determined which corresponds to a geometry of a first tooth flank of the herringbone gearing, a second tooth flank geometry is determined which corresponds to a geometry of a second tooth flank of the herringbone gearing, a transition section geometry is determined which corresponds to a geometry of a transition section between the first tooth flank and the second tooth flank, an overall tooth flank geometry is determined which comprises the first tooth flank geometry, the transition section geometry and the second tooth flank geometry, and the control data is generated based on the overall tooth flank geometry and machining paths are indicated, each extending transversely to the profile direction of the tooth flanks and along the first tooth flank geometry, the transition section geometry and the second tooth flank geometry.

Abstract: A pallet changing device (40) for changing pallets on a machine tool comprises a changing device (15) including connecting elements (26, 28) for releasably connecting the pallet changing device (40) to pallets (7, 8), a rotational drive (19) for rotating the changing device (15) in a working plane (18), and a lifting device (20) for raising and lowering the changing device (15) and thus the working plane (18) within a workspace (21). The rotational drive (19) is arranged outside the workspace (21).

Abstract: A disclosed example method for generating control data for forming a tooth of a spur gear toothing which has an intended widthwise crowning by milling a workpiece at a numerically controlled machine tool having at least 5 axes, at a universal machine tool, by successively moving a milling cutter of the machine tool along a plurality of machining paths based on the generated control data, involves providing a tooth flank geometry of at least one tooth flank of the tooth of the spur gear toothing. The method also involves determining parameters for specifying a change of the provided tooth flank geometry according to the intended widthwise crowing of the tooth. In addition, the method involves generating control data based on a tooth flank geometry which is changed based on the determined parameters, wherein the changed tooth flank geometry corresponds to a tooth flank geometry of the tooth having the intended widthwise crowing.

Abstract: A system is provided for changing and inserting tools into or presenting tools at a machine tool. The system includes at least n rotatable tool magazines for receiving a plurality of tools, where n?2, which are arranged in tandem in the direction of a rotational axis. At least one of the n tool magazines can be driven independently of the other tool magazines to perform a rotational movement about the rotational axis. The system further includes a manipulator for removing the tools from the magazine. The tools are held in tool mounts along the circumference of the n tool magazines such that the longitudinal axes of the tools in each case of one of the n tool magazines are located in one plane and project from the circumference of the tool magazine, and the tools can be moved along the circumference of the respective tool magazine.

Abstract: A machining unit for a program-controlled machine tool having a measuring and monitoring device for monitoring the position and condition of a tool shaft in the tool holder. This measuring and monitoring device includes a plurality of axial sensors and radial sensors and an evaluating unit for the measurement results detected by the sensors. An outer ring is releasably fastened to the spindle housing and contains an electronic transmission element and terminals for energy and data cables. A rotor is assigned to this stationary outer ring and contains the sensors and is coupled to the outer ring for the non-contact data transmission. The rotor is releasably fastened to the front end face of the spindle by bolted connections.

Abstract: A tool handling device for machine tools, comprising a tool magazine having a transfer position for the transfer of the tools, including a tool changer movable between the transfer position and an exchange position, which has a rotatable double gripper, and a supporting structure movable on a foundation, on which the tool changer is mounted. In order to achieve fast tool changes in tight spaces on the machine, the supporting structure has an upper slide and a lower slide which can both be displaced by means of spindle drives in the same direction on a foundation, wherein a single drive motor is provided for driving the two spindle drives.

Abstract: An apparatus for controlling operational functions of a machine tool, comprising a device for switching on or off a main power supply and at least one device for determining a switch-off time of an operational function of the machine tool in dependence of a selectable criterion.

Abstract: A machine tool comprising a machine column, a work spindle moveable in guides along the machine column in two coordinate axes by a motor and adapted to receive a cutting tool, a machine bed arranged on the front end of the machine column and on the top side of which a horizontal linear guide for a workpiece table is arranged, and a linear motor for moving the workpiece table in the horizontal linear guide in a further coordinate axis. A channel-like chip space for collecting chips accumulating when the workpiece is machined extends on the top side of the machine bed in the direction of the further coordinate axis. The linear motor is arranged on the top side of the machine bed laterally and parallel to the channel-like chip space, wherein first and second guide rails of the horizontal linear guide are arranged on opposite sides of the linear motor.

Abstract: A program controlled machine tool, including a bed-like substructure, a machine frame having two vertical and parallel side walls, and a compound slide having a longitudinal slide which can travel in the direction of the Y-coordinate axis on the two side walls of the machine frame. A cross slide is guided in such a way that it can travel in the direction of the X-coordinate axis. A machining unit can travel in the direction of the vertical Z-coordinate axis and has a working spindle. A workpiece table arrangement arranged on the substructure in front of the side walls. The workpiece table arrangement is arranged on the front partial area of the flat base and the cross slide has a length in the direction of the Y-coordinate axis which corresponds approximately to the diameter of the workpiece table and/or the working space in the Y-direction.

Abstract: The present disclosure relates to a tool holder to receive and lock a tool taper on a tool magazine, an unlocking device to unlock a tool taper that is received and is locked in a tool holder of this type, and a tool magazine for a machine tool comprising one or more tool holders of this type and an unlocking device of this type.

Abstract: A process and an apparatus for generating control data for controlling a tool on a machine tool comprising at least 5 axes for the production of a predetermined finished part having a base body and at least one flank section protruding from the base body, finished part geometry data of the predetermined finished part geometry of the finished part being generated by means of fundamental geometry parameters and path data being generated by means of the finished part geometry data, the path data indicating the tool path along the surface of the flank section over which the tool has to travel with what tool orientation relative to the workpiece to remove material from the workpiece, the tool orientation of the tool corresponding to an orientation of a axis of rotation of the tool and the tool rotating about the axis of rotation of the tool to remove material from the workpiece.

Abstract: The present invention relates to a machine tool and a corresponding process for machining a workpiece by means of one or more tools controlled by means of control data, the machine tool comprising at least 5 simultaneously controllable axes. A control device being suited to control the tool supported in a support means by means of the control data along a tool path to remove material from the workpiece clamped in a clamping means. The machine tool being suited to machine a first workpiece to provide the first workpiece with a first gearing, the first workpiece being a counter piece to a second workpiece having a second gearing.

Abstract: A machine tool comprising a machine column, a work spindle moveable in guides along the machine column in two coordinate axes by a motor and adapted to receive a cutting tool, a machine bed arranged on the front end of the machine column and on the top side of which a horizontal linear guide for a workpiece table is arranged, and a linear motor for moving the workpiece table in the horizontal linear guide in a further coordinate axis. A channel-like chip space for collecting chips accumulating when the workpiece is machined extends on the top side of the machine bed in the direction of the further coordinate axis. The linear motor is arranged on the top side of the machine bed laterally and parallel to the channel-like chip space, wherein first and second guide rails of the horizontal linear guide are arranged on opposite sides of the linear motor.

Abstract: A pallet changing device (40) for changing pallets on a machine tool comprises a changing means (15) comprising connecting elements (26, 28) for releasably connecting the pallet changing device (40) to pallets (7, 8), a rotational drive means (19) for rotating the changing means (15) comprising connecting elements (14a, 14b) in a working plane (18), and a lifting means (20) for raising and lowering the changing means (15) and thus the working plane (18) within a workspace (21). The rotational drive means (19) is arranged outside the workspace (21).

Abstract: A line guide system guides supply lines between a first body and a second body that are rotatable with respect to each other from a first rotation condition into a second rotation condition. A plurality of guiding lines respectively receive the supply lines, wherein respective ends of the guiding lines are disposed in first and second fixation portions axially spaced from each other with respect to a common rotational axis. The guiding lines form first and second coil-like segments when the line guide system is moved into the first rotation condition, which segments each extend at least partially around the rotational axis and are connected to each other via an arc-shaped connecting segment. When the line guide system is moved into the second rotation condition, the respective arc-shaped connecting elements unravel such that the guiding lines each have a coil-like extension on the whole along the first coiling direction.