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| Number | Title | Issue Date |
| 8152423 | 3-dimensional variable-axis machine A 3-dimensional (3D) variable-axis machine is disclosed, which includes a frame spaced from a base to be disposed at an upper surface of a workpiece, a pair of forward and backward pivoting frames having an arch shape connected to the frame, a pair of leftward and r... | 04/10/2012 |
| 7938602 | Three degree of freedom parallel mechanism, multi-axis control machine tool using the mechanism and control method for the mechanism In a three degrees of freedom parallel mechanism, a spindle head is carried by first and second movable support members to be movable along a Z-axis and to be pivotable along each of A and B-axes. The spindle head is jointed through three rods to drive sliders which... | 05/10/2011 |
| 7938603 | Spindle head for machine tool A support shaft of a spindle unit having a through hole in which wires are laid has a structure that can obtain much spatial room so as to prevent a break in cables and to be compatible with a high-output spindle motor. A machine-tool spindle head 1 includes ... | 05/10/2011 |
| 7857558 | Compact cutting head for machining workpieces A milling machine (1) for the machining of large components includes a milling head (9) which includes a support beam (8) which is movable along a longitudinal axis (Z); a pivot body (14) which is supported and guided by the support beam ... | 12/28/2010 |
| 7566193 | Tool head for moving a tool The invention relates to a tool head for moving a tool (6) having a plurality of mobile shafts (2, 4, 5, 8, 11) which allow to move the tool (6) linearly and rotationally. The invention also relates to a combination drive (10) for driving... | 07/28/2009 |
| 7384224 | Multi-axis machine tool A multi-axis machine tool presents a gantry positioned over a bed equipped with a machining station in which to position a workpiece, a moving beam associated slidably with the gantry, aligned on a horizontal direction and translatable in a vertical direction, a car... | 06/10/2008 |
| 7293340 | Direct drive spindle, machining center and methods of fabricating the same This invention discloses a direct drive spindle assembly including a main fork formed by a base and a parallel pair of spaced fork arms and rotated about a first rotational axis. Moreover, the direct drive spindle assembly includes a first drive established by a hol... | 11/13/2007 |
| 7281306 | Machine tool A machine tool includes a tool spindle head for supporting a first side of a hob via an arbor, a turret, and a tool supporting unit including a movable section and a fixed section. The fixed section is fixedly mounted to the turret and slidably supporting the movabl... | 10/16/2007 |
| 7255033 | Apparatus and method of making a compound-angled orifice in a disc for a fuel injector An apparatus and method for piercing a metering disc from a workpiece of a fuel injector. The metering disc includes first and second surfaces that extend substantially parallel to a base plane. The first and second surfaces are spaced along a longitudinal axis that... | 08/14/2007 |
| 7002100 | Laser assisted machining method and device A laser assisted machining method and device comprise a tool mount on which a laser head is disposed. A digital thermometer is disposed in a machining tool or on the tool mount for feeding data to a system controller. A laser is used to enable the blade of the machi... | 02/21/2006 |
| 6953311 | Tool holding and working piece-clamping assembly for a machine tool A tool holding and working piece-clamping assembly has a stand, a driving device, a threaded rod, a rail assembly, a brake post, a working piece-clamping device and a tool holding device. The working piece-clamping device has an upper clamping device slidably connec... | 10/11/2005 |
| 6951440 | Double-rotatable spindle head for machine tools A double rotatable spindle head of non-perpendicular axis type has a first half head and a second half head. The first half head is connected to the machine structure and rotates about a first axis. The second half head is coupled to the first half head on a flat su... | 10/04/2005 |
| 6944923 | Machining unit for a program-controlled milling and drilling machine A machining unit for a program-controlled milling and drilling machine. A head support movable in several coordinate axes has an axis of rotation pointing forward and downward at a 45° angle. A swivel head arranged on a front side of the head support is rotatable a... | 09/20/2005 |
| 6932547 | Toolhead assembly for CNC machines having misalignment prevention means A toolhead assembly for a CNC machine displaceable along orthogonal x, y and z-axes generally consisting of a support assembly, a tool carrier supported on the support assembly having a rotatable tool axis and being displaceable relative to the support assembly betw... | 08/23/2005 |
| 6719506 | Gantry type hybrid parallel linkage five-axis machine tool Disclosed herein is a gantry type hybrid parallel linkage five-axis machine tool composed of a machine framework a parallel spatial linkage mechanism, a feeding shaft mechanism, and a controller unit. The parallel spatial linkage mechanism is formed of three straigh... | 04/13/2004 |
| 6682278 | Universal combined milling and boring machine A relatively compact, program-controlled, universal combined milling and boring machine having a horizontal base as a support for a work table, a machine frame and a supporting system for at least one spindle head. The spindle head contains a dimensionall... | 01/27/2004 |
| 6669416 | Driving head for the numerically controlled setting movements of a tool spindle or workpiece table around at least one axis of rotation A driving head for the numerically controlled setting movements of a tool spindle or workpiece table around at least one axis of rotation. The basic structure of the driving head comprises a housing (1, 1') and at least one multi-pole external rotor motor... | 12/30/2003 |
| 6607017 | One pass combination of traditional and multi-axis material carving machine Apparatus and method for carving a uniformly carved portion and a variably carved portion in a workpiece in a single pass. The apparatus consists of a uniform carving head fixed relative to the workpiece and a variable carving head that is movable simulta... | 08/19/2003 |
| 6557235 | Bi-axial coplanar apparatus An apparatus comprising a frame, a mobile platform and first and second linearly-actuated slides supported on a base connected to the frame. The first and second slides are movable along a line defining a first axis. The apparatus may include a first driv... | 05/06/2003 |
| 6540458 | Machine-tool milling center The invention relates to a machine-tool, especially a milling center, comprising a housing (2), a holder (54) for tools and/or workpieces, a coupling guide departing from the housing (2) to guide the holder (54) and a drive device departing from the housi... | 04/01/2003 |
| 6540454 | Spindle head positional error correction method for multi-axis machine tool In a multi-axis machine tool (M) including an angular dividing head (HD) having a spindle head (9) mounted thereto, the positional correction includes determining an error representative vector componentwise representative of a plurality of positional err... | 04/01/2003 |
| 6526638 | Device for producing relative motion with two translational degrees of freedom A device for producing relative motion with two translational degrees of freedom between a spindle means (95, 195, 295 395) with a spindle which bears the first part of a first pair of parts formed from a workpiece and a tool, and a retaining element for ... | 03/04/2003 |
| 6503033 | Parallel mechanism structure for controlling three-dimensional position and orientation Disclosed is a parallel mechanism structure for controlling three-dimensional position and orientation. In the parallel mechanism structure according to the present invention, three links are connected to the main spindle of the mechanism and driven in ve... | 01/07/2003 |
| 6447224 | Machine tool with pivotal spindle head A spindle head holder (5) is pivoted on a base member (1), a linear drive (21) is mounted to the base member (1), a linear guide (50) is mounted to the spindle head holder (5), and an engagement member (60) is engaged with both linear drive and linear gui... | 09/10/2002 |
| 6431802 | Articulated tool head A universal-joint tool head, having a tool platform which can move in three axes, at least three connecting rods which are articulatedly mounted on the tool platform and can be displaced independently of one another, at least three linear-movement drives,... | 08/13/2002 |
| 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 |
| 6382889 | Portable multi-axis machine A portable multi-axis drilling machine includes a drill mounted between a pair of 2-axis positioning devices each of which translates along X and Y axes. The positioning devices are spaced apart along a Z axis of the machine and are mounted in a frame tha... | 05/07/2002 |
| 6367135 | Device for producing relative motion with two translational degrees of freedom A device for producing relative motion with two translational degrees of freedom between a spindle means (95, 195, 295, 395) with a spindle which bears the first part of a first pair of parts formed from a workpiece and a tool, and a retaining element for... | 04/09/2002 |
| 6357094 | Machine tool The invention relates to a machine tool comprising feeding system to linearly feed a slide to be fed (5). Each feed gear comprises a first and a second feed mechanisms provided to be in a parallel manner and spaced apart from each other by a specified int... | 03/19/2002 |
| 6352496 | High-speed milling machine with rotary table A milling machine includes a bi-directional, variable speed, rotary workpiece-holding table, a table drive sized to achieve relatively high acceleration and deceleration rates, a cutting tool mounted to a single or dual axis head, and a control system ada... | 03/05/2002 |
| 6336778 | Orthogonal axes module with parallel kinematic movement Module with parallel kinematic movement and orthogonal axes, characterised because it has a fixed structure; and a passive structure that has at least one kinematic shears joined at one end to the fixed structure and at the other end to a flat mobile stru... | 01/08/2002 |
| 6285098 | Linear drive A linear drive which is particularly suitable for drive axles of parallel structures such a hexapod arrays, comprises a carrier housing (5) and a carrier (4) that can be moved lengthwise in relation to said carrier housing, both the carrier housing and th... | 09/04/2001 |
| 6241437 | Hexapodal machining center A hexapodal machining center comprising a fixed frame (1) and a support (2) which are interconnected via six struts (3) of an adjustable length. The connecting points (T1, T2, T3) of three struts on the support form a firs... | 06/05/2001 |
| 6219918 | Method of finish machining a spoked wheel rim A spoked wheel rim having a hub defining an axis, a plurality of spokes projecting radially from the hub, and a rim ring attached to outer ends of the spokes is machined by first mounting it in a loading/unloading station into a holder rotatable about a h... | 04/24/2001 |
| 6203254 | Parallel mechanism machining device The present invention is designed to realize structure having high rigidity in any direction and to realize a parallel mechanism machining device having good chip removal property. According to the present invention, forked adjustable joints 28 are provid... | 03/20/2001 |
| 6161992 | Machining system with movable tool head A machining system has a frame forming a working station and a mounting plate movable relative to the frame in and adjacent the station in a first main direction, in a second direction transverse to the main direction, and in a third direction transverse ... | 12/19/2000 |
| 6155758 | Hexapodal machining center In known hexapodal machining centers, a movable support is supported and the individual struts are articulated on the support in one plane. For permitting a greater movability of the support, especially in the rotational degrees of freedom, and for improv... | 12/05/2000 |
| 6135683 | Parallel mechanism for multi-machining type machining center A six-degree-of-freedom parallel mechanism is provided for expanding a grade of a spindle. The parallel mechanism has a spindle that turns round a workpiece at a tilting angle of 90° in a workspace, to thereby allow a machining for both vertical and hori... | 10/24/2000 |
| 6122808 | Oil conduit mechanism for spindle head of five axis machine tool An oil conduit mechanism for spindle head of five-axis machine tool integrates cutting liquid conduit, lubricating oil conduit and braking oil conduit within the spindle head. Those conduits comprises ducts to guide cutting liquid, braking oil and lubrica... | 09/26/2000 |
| 6099217 | Device for spatially moving a body with three to six degrees of freedom in a controlled manner The device serves for moving a movable platform (2) in respect to a base (1). The connection between platform and base is established by six legs (4a-4f), which are connected to the platform in articulated manner. At the base side, they rest in articulate... | 08/08/2000 |
