Abstract: The invention relates to a machine tool 101 comprising a plurality of operation functions and a selection device 113a-113d for selecting one or more operation functions by a user. The machine tool 101 receives data from a mobile data carrier 311 via a reception device 112, on the basis of which it may be determined which operation functions may be performed by the user. In this process, an access control device 130 grants the user access to only those selected operation functions he or she is authorized to perform.

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: 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: The subject-matter of the invention is a machining unit for a milling and drilling machine, comprising a spindle housing (1) which is supported on a machine part and can be moved in a longitudinal direction, a milling head (5) mounted on the face end of the spindle housing (1), a work spindle (6) supported in the milling head (5) and comprising an electric drive motor, and an energy and working stock supply to the milling head (5) formed of bunched lines and cables. The bunched lines and cables for the energy and working stock supply are disposed inside the spindle housing (1) in the shape of a string (25) and introduced into the milling head (5) via a rotary transmission leadthrough (8) on the face.

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 machine tool, in particular a program-controlled turning, milling, and drilling machine, comprising a machining unit displaceable in a plurality of coordinate axes, in which a work spindle for exchangeably receiving a machining tool and an electric motor for driving the work spindle are mounted. The machine tool includes a programmable control unit and means for monitoring the operating state of the machine tool. According to the invention, at least one sensor for detecting at least one operating parameter is disposed on a predetermined component of the machine tool. An evaluating unit is connected to both the sensor and the control unit and processes the measurement values detected by the sensor. An optical display is provided in the direct viewing range of the operator, which displays a normal, a critical, and a dangerous operating state of the machine tool in accordance with the data from the evaluating unit.

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 device for treating cooling lubricants and chips of machine tools. The device includes a container for receiving the untreated mixture of cooling lubricant liquid and solids, an endless conveyor installed in the container for carrying off the collected solids from the container, at least one filtration unit disposed in the container for separating the cooling lubricant liquid from the solids, whereby the filtration unit is formed so as to be mobile and can be positioned as an insertion in the container over the lower run of the endless conveyor.

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 console for a machine tool comprising a housing mounted on a pivotable supporting arm, a keypad arranged in the housing, and an upper display unit including a screen. The housing is formed with a lower housing shell including the keypad, and a separate upper housing part including the upper display unit. The lower housing shell and the upper housing part are formed so as to be separately pivotable and lockable in preferred operating positions.

Abstract: A tool changer for machine tools, especially for milling machines, with a tool double gripper, which is attached at the free end of an axially displaceable and rotatably mounted shaft and has two pliers-like tool holders. A drive motor is coupled kinematically with the shaft for the linear and rotary movements of the tool double gripper and with transmission means for converting the rotation of the motor shaft of the drive motor into the linear and rotary movements of the tool double gripper. The transmission means contains a worm gear driven by the drive motor, the worm gear drives a cam plate at the front end of which a lifting curve for the linear movement and a rotation curve are constructed. A driver of a rack and pinion drive coupled rotationally with the shaft engages the rotation curve, and a driver of a pivoting linkage translationally coupled with the shaft engages the lifting curve and is guided by it.

Abstract: A supporting structure for the console of a machine tool comprising a bending-resistant supporting beam pivotably mounted on the base of the machine tool with its machine-side end and carrying a console comprising a keyboard and a display unit on the free end of its portion directed transversely upward.

Abstract: 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 clamping means for clamping a workpiece and a work spindle including a tool holding means for holding a workpiece, where the workpiece is clamped on the tool holding means of the work spindle of the machine tool, the tool is clamped in the clamping means of the machine tool, and the workpiece clamped in the tool holding means of the work spindle is controlled in a program-controlled manner in relation to the tool clamped in the clamping means for removing material from the workpiece.

Abstract: A device for treating cooling lubricants and chips of machine tools. The device includes a container for receiving the untreated mixture of cooling lubricant liquid and solids, an endless conveyor installed in the container for carrying off the collected solids from the container, at least one filtration unit disposed in the container for separating the cooling lubricant liquid from the solids, whereby the filtration unit is formed so as to be mobile and can be positioned as an insertion in the container over the lower run of the endless conveyor.

Abstract: A machine tool having a protective cabinet and an illumination system comprising at least one discharge lamp installed in the interior space of the protective cabinet. The discharge lamp is formed as a flat lamp radiating over a large area with a uniform luminous intensity and disposed on a cabinet wall in order to obtain an enhanced illumination of the entire workspace of the machine as well as of the interior space of the protective cabinet.

Abstract: The invention relates to a method and a device for generating transformed control data for controlling a tool on a machine tool for machining a workpiece clamped in a clamping means of the machine tool, including the steps of: (1) determining control data indicating which first tool path is to be traveled by the tool of the machine tool with which first tool orientation for machining the clamped workpiece if the workpiece is clamped in the clamping means in accordance with a clamping situation target state means; (2) detecting a clamping situation current state; (3) detecting a clamping situation deviation between the clamping situation current state and the clamping situation target state; and (4) generating transformed control data by executing a transformation of a part of the determined control data in dependence of the detected clamping situation deviation.

Abstract: The present invention relates to a device, a method and a machine tool for machining a workpiece clamped in the machine tool, the device comprising a hobbing tool for removing material of the workpiece for shaping a rollable profile, in particular a gearing, on the workpiece by hob milling, and a hobbing tool receiving means for receiving the hobbing tool, the device particularly comprising a milling head fixing means which is suitable to fix the device in a receiving means of the milling head of the machine tool, the machine tool comprising at least 5 axes.

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.