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| Number | Title | Issue Date |
| 8087332 | Lathe In order to improve a lathe comprising a machine frame, a spindle housing which is arranged on the machine frame and in which a workpiece spindle rotatable about a spindle axis is arranged, as well as at least one functional unit designed as a tool carrier and/or as... | 01/03/2012 |
| 8074543 | Machine tool with cooling nozzle and method for applying cooling fluid Disclosed in one embodiment is a computer numerically controlled machine having a coolant nozzle that is mounted on a turret of the machine and that is rotatable relative to the turret under the control of a computer control system. The nozzle is fluidically connect... | 12/13/2011 |
| 7913596 | Turret tool rest and machine tool A turret tool rest is provided with a tool rest body, which is rotatable around the vertical axis, on a lower saddle. A turret is provided on a side surface of the tool rest body, and an anti-vibration mechanism is provided on a side surface that is adjacent to the ... | 03/29/2011 |
| 7849769 | Precision roll turning lathe The present invention provides a precision roll turning lathe which can form a pattern including three-dimensionally shaped portions, such as three-sided pyramids, on the surface of a roll, with high accuracy. Specifically, a tool post is provided with a tool turnin... | 12/14/2010 |
| 7748301 | Machine-tool revolver unit A machine-tool turret-type unit includes a turret disk that is free to rotate about a rotational axis, and a housing on which to mount the turret disk is provided. The housing includes at least one securing device to be secured to the securing section of the machine... | 07/06/2010 |
| 7581472 | Tool holder positioning device A tool holder positioning device includes: a plurality of protruded portions or a plurality of recessed portions formed to a seating surface of a tool rest; and a plurality of recessed portions or a plurality of protruded portions formed to a coupling surface of a t... | 09/01/2009 |
| 7437811 | Structure of a dual disc type of tool turret device of a machine A dual disc type of tool turret device is powered by means of single main power source, which also serves to power the spindle of the machine; the turret device includes an inner and outer tool turrets; when power is transmitted from the main power source through a ... | 10/21/2008 |
| 7395589 | Rotational power servo toolpost A rotational power servo toolpost includes a plurality of rotational tool holders, which can freely rotate 360 degrees, to cut a workpiece from various angles. The rotational power servo toolpost has a turret base, a turret, tool holders mounted on a side surface of... | 07/08/2008 |
| 7337700 | Precision tool holder with flexure-adjustable, three degrees of freedom for a four-axis lathe A precision tool holder for precisely positioning a single point cutting tool on 4-axis lathe, such that the center of the radius of the tool nose is aligned with the B-axis of the machine tool, so as to facilitate the machining of precision meso-scale components wi... | 03/04/2008 |
| 7331253 | Device for carrying and fastening a robot A device for carrying and fastening a robot (4), in particular a delta robot, is designed in a gallows shape. It has a foot (1), a column (2) adjoining the foot (1), and at least one cantilever arm (3), fastened to this column (... | 02/19/2008 |
| 7305745 | Method and device for controlling tool selecting operation of turret tool post A method of optimizing the tool selecting operation of a turret according to the contents of a machining program in a turret tool rest allowing a rotating tool to be fitted thereto, including a step (101) for determining whether the rotating tool is contained... | 12/11/2007 |
| 7287937 | Multi-function milling cutter A multi-function miller cutter includes a shank with a receiving portion defined in the shank at an end of the shank. A threaded hole is defined in the receiving portion so as to secure a disposable cutter. An angle is defined between an axis of the shank and a cent... | 10/30/2007 |
| 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 |
| 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 |
| 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 |
| 7263915 | Structure of a twin disc type tool turret device of a machine A turret includes a central shaft, a piston sleeve positioned around the central shaft and having moving sticks thereon, a push rod, an actuating seat, and internal and external turrets; the piston sleeve is left and right movable by a power source; the moving stick... | 09/04/2007 |
| 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 |
| 7243407 | Modular turret-style base plate system for CNC machines A modular base plate system is for use with a CNC machine for holding workpieces during manufacturing. The system includes a “turret-style” base plate having a plurality of stations positioned around the side of the base plate. Each station comprises a U-shaped ... | 07/17/2007 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7219584 | Indexible turning tool for chip forming machine An indexible turning tool for chip forming machining, includes a holder equipped with insert pockets receiving replaceable inserts, as well as a securing portion intended to be received in a tool machine. At least one of the replaceable inserts has a main plane that... | 05/22/2007 |
| 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 |
| 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 |
| 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 |
| 7121176 | Tool for chip removing machining employing multiple different cutting inserts A tool for chip removing machining includes a tool head having at least one chip pocket formed therein which serves as a common pocket for first and second replaceable cutting inserts. The inserts perform mutually different machining operations and have their respec... | 10/17/2006 |
| 7117773 | Turret for turret lathe A turret body is provided with a tool spindle for detachably attaching a complex tool so as to be freely rotated with an axial center as its center. The turret body is provided with indexing means for indexing the tool spindle, and clamping means for clamping the to... | 10/10/2006 |
| 7089836 | Hale-machining method and apparatus It is one object of a hale-machining method and apparatus thereof according to the present invention to achieve an easy preparation of an NC machining program and perform a high geometrical accuracy in the predetermined three-dimensional free curved surface. ... | 08/15/2006 |
| 7089838 | Zero centerline toolholder assembly A zero centerline toolholder assembly includes a cutting insert mounted to a toolholder. The center, RC, of the nose radius of the cutting insert is aligned with or lies on a centerline, LT, of the toolholder. The centerline, LT, of the toolholder may be also aligne... | 08/15/2006 |
| 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 |
| 7066063 | Power transmission mechanism for a turret of a lathe A turret of a lathe has a power transmission that is used for moving a tool Disk secured on a shaft to a secured position where the disk is engaged with a clutch. The transmission includes a piston, and a force multiplier unit, which includes a ring, a sleeve secure... | 06/27/2006 |
| 7065848 | Crankshaft production machine A crankshaft production machine for manufacture of crankshafts (15) having centric and eccentric surfaces to be machined, the said crankshafts being chucked rotatably around a C axis (5, 6), comprises a headstock, a counter spindle or tailstock, at lea... | 06/27/2006 |
| 7055416 | Tool holder and method of machining work using this tool holder There is provided a tool holder capable of attaching a plurality of tools to one tool holder, and easily adjusting these tools in a positional relation suitable for work machining. The tool holder comprises a holder body 201 attached to a tool rest 160... | 06/06/2006 |
| 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 |
| 7021182 | Indexible turning tool for chipforming machining An indexible turning tool for chip forming machining, includes a holder equipped with insert pockets receiving replaceable inserts, as well as a securing portion intended to be received in a tool machine. At least one of the replaceable inserts has a main plane that... | 04/04/2006 |
| 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 |
