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| Number | Title | Issue Date |
| 8061242 | Tool carrier device and apparatus for processing flat blanks A tool carrier device for adjustable arrangement of tools along a forming path comprises two carrier rails arranged so as to run parallel to one another in the longitudinal direction of the forming path and above the latter, at least one cross member which can be de... | 11/22/2011 |
| 7946204 | Lubrication system for a multi-spindle automatic screw machine An automatic screw machine (20) has a body (22), and a head (21) that is rotatably mounted on the body and that is adapted to be selectively rotated relative to the body between any of a plurality of index positions. The body and head have close... | 05/24/2011 |
| 7367929 | Machine tool and method for cutting machining of workpieces A machine tool for the cutting machining of workpieces, in particular of metallic workpieces, has a first and a second tool spindle for receiving a first and a second machining tool, and it has a first and a second workpiece carrier for receiving a first workpiece a... | 05/06/2008 |
| 7331099 | Machine tool and method for the correction or compensation of different tool lengths in a machine tool In order to provide a machine tool with at least one movable slide, which has a plurality of holders for tools and/or workpieces, and which can be corrected in a simple manner, the at least one slide has a plurality of separate subslides and the relative position of... | 02/19/2008 |
| 7313850 | Compact, economical, multi-axis, multi-tasking, small part machine tool A compact, economical, and easy-to-use small parts machine tool that can machine small parts from bar stock as well as castings, forgings, slugs, and near net shape raw materials, is comprised a base with a spindle for moving a workpiece, a first carriage connected ... | 01/01/2008 |
| 7290316 | Automatic screw machine with multi-axis drive control The disclosed embodiments are directed to an improved automatic screw machine employing a first servomotor connected to cause rotation of a first set of tooling cams independently of the operation of a spindle drive, and a second servomotor to cause rotation of a se... | 11/06/2007 |
| 7278192 | Lathe for machining optical workpieces A lathe for machining optical workpieces, in particular spectacle lenses, comprises a fast tool arrangement and a workpiece spindle arrangement. A machine frame is cast monolithically from polymer concrete and on and in which all the functional surfaces, functional ... | 10/09/2007 |
| 7273335 | Machine tool A machine tool includes a table supported by a bed for forward and rearward movement along a path of movement, left and right transversely aligned upright columns on opposite sides of the path of movement, a cross rail supported in the columns for movement upwardly ... | 09/25/2007 |
| 7267035 | Tool support for lathes The tool support comprises a basic structure (8) on which a slide (5) is movable in a controlled manner transversely to the spindle axis (7), two tool holders (6) being mounted on said slide which are displaceable parallel to each other a... | 09/11/2007 |
| 7266871 | Machine tool To provide a machine tool in which supporting stiffness of a tool post is increased, thereby enabling improvement in machining accuracy. When seen in a Z-axis direction, a tool post 5 includes: a supporting member 30 having a pair of left and right leg... | 09/11/2007 |
| 7249545 | Numerically controlled lathe and method of machining work by this numerically controlled lathe A numerically controlled machine tool can simultaneously perform a variety of machining operations using work on a first main shaft and work on a second main shaft. A first tool post is movable together with a second main shaft in the direction of a main shaft axis ... | 07/31/2007 |
| 7243583 | Lathe, in particular multi-spindle automatic lathe The multi-spindle automatic lathe (10) has an apparatus for machining the rear side of a workpiece (15). For this, it is provided with a transfer device (21) for removing a workpiece machined at its front side from a primary workpiece spindle ( | 07/17/2007 |
| 7240412 | Composite lathe To provide a composite lathe enabling the overlapping of movement areas without lowering supporting stiffness of a tool post, and thus realizing enhanced machinability. An XY supporting plane A by which a tool post 5 in is supported to be movable in an X-axis... | 07/10/2007 |
| 7240411 | Machine tool To provide a machine tool in which positioning accuracy of a ram is ensured, realizing improved machining accuracy. A cylindrical ram 14 supporting a spindle 6 is inserted in a ram guide hole 13a formed in a cross slide 13, the ram... | 07/10/2007 |
| 7237310 | Composite lathe To provide a composite lathe enabling downsizing of a machine main body and realizing an enlarged machining area. A cutting point “c” of a tool post 5 is positioned vertically under a straight line connecting axes “a” of a first spindle headstock 3... | 07/03/2007 |
| 7232406 | Tool changer of machine tool To provide a tool changer of a machine tool capable of preventing chips from scattering to the outside of the machine from an opening of a cover to adhere to a sliding portion or a gripper portion during tool change. A tool magazine 42 holding a large number ... | 06/19/2007 |
| 7228771 | Automatic screw machine with multi-axis drive control The disclosed embodiments are directed to an improved automatic screw machine employing a first servomotor connected to cause rotation of a first set of tooling cams independently of the operation of a spindle drive, and a second servomotor to cause rotation of a se... | 06/12/2007 |
| 7219407 | Device for milling and lathing A device for milling and/or lathing workpieces including at least one machine bed, on which there is at least one tool holder and one workpiece spindle as part of a workpiece holder with an axis of rotation, whereby the tool holder has at least one tool drive with a... | 05/22/2007 |
| 7206658 | Machining center that rotary drive a tool prior to process positioning at a working position There is provided a machining center capable of simplifying a driving force transmitting mechanism and restraining occurrence of noise and vibration. A machining center having a turret head 20 with a plurality of tools on a turret base 5 includes one t... | 04/17/2007 |
| 7204004 | Machine tool To provide a machine tool in which a workpiece can be delivered to/from a first and a second spindle headstock without any increase in front/back direction dimension of a machine main body. A second spindle headstock 4 is capable of moving to a position for w... | 04/17/2007 |
| 7171878 | Multi-station machine with rotating transfer for machining pieces The invention relates to a machining unit in which the pieces are carried by an electric turning spindle radially arranged on a turret with a vertical axis of rotation. On rotation of the turret the pieces are successively introduced into machining stations, arrange... | 02/06/2007 |
| 7165483 | Apparatus and method for clamping and positioning workpieces of different length between two centers In an apparatus (10) for clamping and positioning workpieces (36) of different length between two centers (26,28), comprising a base (14) with at least one linear guide (18), a first carriage (20) displaceable in a linearly ... | 01/23/2007 |
| 7134369 | Pick-off attachment for a multi-spindle machine A multi-spindle machine system includes a pick-off attachment. The pick-off attachment enables a more compact and stronger pick-off spindle. The shorter pick-off spindle is able to pick off longer work pieces. High speed bearings and oil lubrication enable the pick-... | 11/14/2006 |
| 7124666 | Multiple spindle machine tool In order to provide a multiple spindle machine tool having a machine frame, a first spindle slide with a first workpiece spindle, and a second spindle slide with a second workpiece spindle, wherein first spindle slide and second spindle slide are guided on the machi... | 10/24/2006 |
| 7117774 | Automatic lathe An automatic lathe (10) is provided with a first spindle (14) having an axis of rotation (14a), a first tool rest (18) capable of holding a plurality of tools (22) in a parallel arrangement, a second tool rest (20) ca... | 10/10/2006 |
| 7104170 | Air release stock stop An air release stock stop for detecting the end of a bar stock during a machining process on a turning machine. The air release stock stop includes a pivot member hingedly connected to a base member by a shaft, an activation member adjustably connected through the p... | 09/12/2006 |
| 7086316 | Vertical lathe A machine frame, at the top of which is disposed a vertically displaceable workpiece-accommodation spindle with a workpiece chucking device. Disposed on the machine frame are a tool holder, displaceable in a horizontal X1 direction, for a tool and another too... | 08/08/2006 |
| 7080433 | Workpiece seat for bar-shaped workpieces A workpiece seat for the machining of bar-shaped workpieces by milling and turning. The workpiece seat has an elongated housing, a spindle rotatably supported in the housing, and an electric direct drive for the spindle. The drive rotor is fixed on the spindle and t... | 07/25/2006 |
| 7043805 | NC lathe An NC lathe 1 comprises a bed 5, a headstock 10 provided on the bed 5, a main spindle 11 supported on the headstock 10 so as to be rotatable around the axis thereof, a rotation drive device for rotating the main spindle 1... | 05/16/2006 |
| 7039992 | Lathe A lathe 1 comprises a bed 5, a headstock 10 having a housing 13 and a support base 14, a main spindle 11, a first tool rest 44, and a second tool rest 50. The support base 14 is formed so as to have a co... | 05/09/2006 |
| 7032484 | Machine tool assembly A machine tool assembly having a base assembly movable relative to a support selectively a) oppositely parallel to a first line, and b) oppositely parallel to a second line that is orthogonal to the first line, and a first spindle headstock movable with the base ass... | 04/25/2006 |
| 7000511 | Multi-station machine with rotating transfer for machining pieces The invention relates to a machining unit in which the pieces are carried by an electric turning spindle radially arranged on a turret with a vertical axis of rotation. On rotation of the turret the pieces are successively introduced into machining stations, arrange... | 02/21/2006 |
| 6971294 | Numerically controlled lathe and method of machining work using this numerically controlled lathe An NC lathe performs various processing at the same time to a plurality of works. The NC lathe includes a first spindle and a second spindle, and a tool rest having tools for processing works. The tool rest is freely movable in the direction of Z1-axis and X1-axis. ... | 12/06/2005 |
| 6964217 | Multispindle lathe In order to improve a multispindle lathe comprising a machine frame, a rotatably mounted spindle drum, at least two workpiece spindles arranged in the spindle drum with their workpiece receiving means rotatable about a respective spindle axis, a plurality of spindle... | 11/15/2005 |
| 6948411 | Machine tool The invention relates to a machine tool, especially a lathe, comprising a machine frame upon which a first and second spindle housing carrier are arranged in such a way that they can move in a direction Z in relation to each other; a first working spindle; a second ... | 09/27/2005 |
| 6928909 | Automatic lathe An automatic lathe (10) is provided with a first spindle (14) having an axis of rotation (14a), a first tool rest (18) capable of holding a plurality of tools (22) in a parallel arrangement, a second tool rest (20) ca... | 08/16/2005 |
| 6813980 | Cutting tool and throw-away insert therefor A cutting tool is disposed on a turret. The cutting tool includes: a holder having a peak end, and a throw-away insert clamped to the peak end of the holder with a clamp screw. The holder has a bottom face and a peak end face defining a corner of the holder. The cor... | 11/09/2004 |
| 6810777 | Machine tool In order to improve a machine tool comprising a tool carrier with a tool carrier head which is mounted for rotation about an axis and has a support member with a plurality of tool receiving means, into which drivable tool units can be inserted such that gear wheels ... | 11/02/2004 |
| 6807887 | Multiple-spindle bar machine A multiple spindle bar machine (10) includes in its preferred embodiment three main spindles (66) that are opposed by three counterspindles (106) of substantially identical construction. The main spindles (66) can be indexed about the Z a... | 10/26/2004 |
| 6758117 | Lathe The present invention provides a lathe, comprising a machine frame, a first working spindle with a first workpiece receiving means, at least one first tool slide with a tool carrier, a second working spindle with a second workpiece receiving means which faces the fi... | 07/06/2004 |
