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| Number | Title | Issue Date |
| 8172489 | Machine tool, in particular for rim machining The present invention relates to a machine tool for machining of workpieces, having a workpiece support for mounting the workpiece, a tool holder, which can be moved at least along one axis, for holding a tool for machining the workpiece, and workpiece holding units... | 05/08/2012 |
| 8061940 | Spindle unit comprising a working spindle that can be repositioned when in operation A spindle unit has a working spindle, which is mounted, so as to be rotatable about its longitudinal axis, in its own bearing housing and in which there is provided a receiver for tools for machining workpieces. Via a repositioning unit, the working spindle is repos... | 11/22/2011 |
| 7871225 | Machine tool having a work space A machine tool has a work space (17) in which a device (15) for accommodating workpieces (16) to be machined is arranged. The machine tool further has a work spindle (18) for machining the workpieces (16) and a slide (34) wh... | 01/18/2011 |
| 7507193 | Machine tool comprising at least one machining unit and method of machining workpieces using such a machine tool A machine tool comprising at least one machining unit having at least one work spindle for accommodating tools in order to machine workpieces in a working area is provided with a first and a second transport device, by which workpieces are transported between the wo... | 03/24/2009 |
| 7419461 | Machine tool with transport chain A machine tool is provided with at least one tool spindle which is travelling in a work space (11) and on which a tool receptacle for clamping tools is provided. The machine tool also contains a magazine for tools which can be introduced into the tool recepta... | 09/02/2008 |
| 7347807 | Machine tool and method for changing tools on this machine tool In the case of a machine tool which comprises at least one working spindle with a tool-holding fixture for tool holders carrying tools, and a tool changer with a gripper for the tool holders in order to transfer the tool holders between their magazine position, whic... | 03/25/2008 |
| 7255667 | Carrier for tool holders A carrier for tool holders of a machine tool has at least one movable jaw which can be pivoted about a pivot axis that runs transversely with respect to a longitudinal axis of said tool holders. Said movable jaw can be pivoted between an expanded position and a clos... | 08/14/2007 |
| 7211033 | Machine tool A machine tool has at least one working spindle, in which a tool receptacle for tool holders is provided. Furthermore, there is a tool-changing arm with a gripper, for a tool holder in order to transfer this tool holder between its magazine position, which is spaced... | 05/01/2007 |
| 7165919 | Machine tool with a machine base In a machine tool (10) with a machine base (11), a working area (14), in which workpieces (13) are machined, and a device (25), which receives chips (24) formed during machining of the workpieces (13) from the working... | 01/23/2007 |
| 7125208 | Machine tool and tool holder for said machine tool A machine tool has a spindle which has a tool receptacle for an interchangeable tool holder. The tool holder is chucked into the tool receptacle during operation of the machine tool. A first passage having an outlet opening is arranged in the interior of the spindle... | 10/24/2006 |
| 7115082 | Machine tool A machine tool has a working spindle in which a tool receptacle for tool holders is provided. Furthermore, there is at least one tool-changing arm with a gripper in which a tool holder is held in a peripheral alignment with respect to the gripper in order to transfe... | 10/03/2006 |
| 6874213 | Machine tool and method for machining a rod-shaped workpiece The invention relates to a machine tool for machining a rod-shaped workpiece. The machine tool comprises a tool spindle, and also a first holder and a second holder for accommodating the workpiece. In a machining position, the second holder is oriented coaxially to ... | 04/05/2005 |
| 6836941 | Machine tool for machining a rod-shaped workpiece A machine tool for machining rod-shaped workpieces comprises a traveling column, to which a tool spindle rotatable about a spindle axis is fastened. The tool spindle is capable of swiveling about a swivel axis. The swivel axis is arranged perpendicularly to both the... | 01/04/2005 |
| 6648565 | Tool holder with coolant tube A coolant tube (21) is to be arranged in a tool holder, the coolant tube (21) having an inlet opening (23) for coolants, a cover (31) at the inlet opening (23) for preventing chips from entering into the coolant tube (21), and an exchangeable insert tube ... | 11/18/2003 |
| 6481940 | Spindle in a machine tool A spindle (10) is arranged in a machine tool, said spindle (10) having an axis (46), a receptacle arranged in the axis (46) and provided for receiving a shaft of a tool holder (14), and a clamping mechanism for axial fixation of the shaft in the receptacl... | 11/19/2002 |
| 6387026 | Machine tool with a tool spindle operating from below A machine tool has a workpiece table for fixing workpieces to be machined and a tool spindle for receiving in a fixture the tools used for machining the workpieces. The machine tool works with an overhead tool pointing upwards in the operating condition.... | 05/14/2002 |
| 6257811 | Machine tool with a working area extending outside a workpiece table A machine tool has a vertical-axis tool spindle that receives a tool, and a workpiece table on whose upper side is arranged a fixture for clamping in a workpiece. The tool spindle and workpiece table are displaceable relative to one another in a working r... | 07/10/2001 |
| 6183404 | Machine tool for machining cavities in workpieces A machine tool (10) has a spindle (11) for receiving a tool (15) for machining a workpiece (16). A mechanism (17) for clamping the workpiece (16) is also provided. Also provided is a changing mechanism (37) for a machining tool (29), which holds the machi... | 02/06/2001 |
| 5922941 | Machine tool with a rotatable supported part A machine tool has a rotatably mounted part and a rotary leadthrough connected thereto, through which a fluid can be delivered to the rotatably mounted part. The rotary leadthrough further comprises an outlet from which leaking fluid emerges in the event ... | 07/13/1999 |
| 5924054 | Method for controlling a machine tool A method is described for controlling a machine tool that has a spindle which rotates at a variable rotation speed n about a spindle axis. The spindle carries a facing head that is fitted with a tool whose radial distance V from the spindle axis is adjust... | 07/13/1999 |
| 5893690 | Machine tool with roller-shade enclosure A machine tool comprises a workpiece table which has a clamping surface for workpieces to be machined and a spindle head displaceable in a working space above the workpiece table relative thereto by means of a shifting mechanism and having a spindle recei... | 04/13/1999 |
| 5878633 | Machine tool having a turntable A machine tool comprises a turntable that has a table plate, pivotable about a rotation axis with respect to a machine frame, onto the upper side of which lead lines, coming from beneath the table plate, that are connected to stationary supply connections... | 03/09/1999 |
| 5871312 | Machine tool having a sliding door A machine tool comprises a working space in which workpieces are to be machined and which is closed off against the outside by a case. The case comprises an opening, that can be closed by at least one sliding door and that gives access to the working spac... | 02/16/1999 |
| 5860901 | Machine tool A machine tool comprises a spindle that rotates about a spindle axis and that comprises a receptacle for toolholders. There is further provided a number of tool changers distributed around the spindle, the gripper arm of each tool changer carrying a toolh... | 01/19/1999 |
| 5836064 | Machining center A machining center comprises a plurality of machine tools arranged along a track, each of which has a working space, accessible through an operator door, for machining workpieces present in a receptacle. In addition, a loading system is provided for trans... | 11/17/1998 |
| 5803886 | Workpiece gripper A workpiece gripper has a housing part on which is arranged a gripper element actuated by external force for gripping workpieces. Also provided is a joining part, for attaching the workpiece gripper to a tool holder, that can be transferred by means of a ... | 09/08/1998 |
| 5799751 | Machine tool with a plurality of lubrication points A machine tool has a plurality of lubrication points to which lubricant must be delivered at specific maintenance intervals. At least some of the lubrication points are connected, via a system of lubricant lines, to a central delivery station for lubrican... | 09/01/1998 |
| 5795114 | Machine tool The machine tool includes a spindle rotor, a tool receptacle and a clamp for clamping a tool in the tool receptacle. The clamp is moveable in the direction of the spindle axis by a spindle drive which is actuated by rotation of the spindle rotor. A spread... | 08/18/1998 |
| 5788433 | Coolant pipe for toolholder A holder for a tool comprises a tapered hollow shaft, having an upper opening, for clamping into a tool receptacle, and a coolant tube arranged in the interior of the tapered hollow shaft for delivery of coolant to the tool. The coolant tube comprises an ... | 08/04/1998 |
| 5772566 | Machine tool A machine tool comprises at least one spindle (13). Tool changers (27) for exchanging tools (31) are associated with said spindle (13). The spindle (13) is fitted with a facing head (60). The facing head (60) comprises means for numerically controlled dis... | 06/30/1998 |
| 5628104 | Machine tool with turntable The invention describes a machine tool with a turntable, which has an upper part with a mounting plate which is arranged so as to pivot with respect to a stationary lower part, and is connected to at least one line to deliver fluids or electrical or mecha... | 05/13/1997 |
| 5624365 | Machine tool A machine tool (10) has a revolving spindle (14) borne in a spindle tube (13) which has a locating opening (15) to receive tool holders; (16, 17). A tool magazine (55) is also provided to hold a number of tool holders. Moreover, a tool changer (18) with a... | 04/29/1997 |
| 5522303 | Machine tool with locking mechanism A machine tool is suggested, which has a headstock (111) and at least one tool changer (120). The tool changer (120) moves production tools (116) between a magazine position and a working position, at least one fluid power drive cylinder (1) being associa... | 06/04/1996 |
| 5514063 | Machine tool A machine tool which comprises a headstock (111) and at least one tool changer (120). The tool changer (120) shifts the production tools (116) between a magazine position and a working position, a drive unit (123) being provided for it in the form of at l... | 05/07/1996 |
| 5364210 | Machine tool A machine tool comprises a workpiece table that can rotate about a vertical axis. A first spray shielding panel is rigidly attached to the workpiece table substantially along one diameter thereof. It divides the workpiece table into a placement side and a... | 11/15/1994 |
| 5277689 | Tool changer for tools of a machine tool A tool changer for tools of a machine tool has a gripper on which two movable jaws are arranged for positive gripping of the tools and on which is mounted an actuation element which is axially displaceable in the longitudinal axis and swings the jaws arou... | 01/11/1994 |
| 5263918 | Machine tool A machine tool has a spindle rotating in a headstock and has, further, a gripper for transferring a toolholder from an uncoupled position into a ready-to-couple position within the spindle. A coupling mechanism is provided for further transferring the too... | 11/23/1993 |
| 5256010 | Machine tool A machine tool is disclosed having an inverted spotfacer chucked in a rotatable tapered spindle socket. The inverted spotfacer comprises an actuation shaft being rigidly axially connected to a tapered shank which, in turn, is chucked in the socket. A shou... | 10/26/1993 |
| 5201695 | Machine tool A machine tool has a spindle rotating about a spindle axis and a quill that can be displaced relative to the spindle in the direction of the spindle axis. Arranged at intervals around the spindle are a number of gripper arms that are fastened to the quill... | 04/13/1993 |
| 5096348 | Machine tool A machine tool is equipped with a machine bed (10) and a carriage (23) of a headstock which is guided linearly on the said bed. To this end, the machine bed is provided with a guide rail (11), while the carriage (23) is equipped with a shoe (20) running o... | 03/17/1992 |
