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| Number | Title | Issue Date |
| 8051754 | Lathe, computer program for lathe control, and machining method by lathe With the use of a tool (41), first cutting is applied to a work (W), and then second cutting is applied to the work (W) while the tool (41) is transferred in an X-axis direction. Then, an amount of deviation dy between the cutting edge height of the to... | 11/08/2011 |
| 8042436 | Method for preparing NC machining program and apparatus for preparing NC machining program A preparing apparatus of an NC machining program prepares an NC machining program including a position instruction of a cutting portion of a rotary tool on the basis of a two-dimensional workpiece coordinate system having a Z-axis and an X-axis as coordinate axes. A... | 10/25/2011 |
| 7930957 | Closed-loop CNC machine system and method A closed-loop feedback system and method for performing a machining operation. A tool's operational properties are measured in real-time. The operating parameters of the machining process are adjusted in real-time based on the measured properties. ... | 04/26/2011 |
| 7861626 | Lens surface cutting apparatus and lens surface cutting method for spectacle lens, and spectacle lens A lens surface cutting method for a spectacle lens includes the steps of calculating the mean curvature of a lens surface (5) to be machined, calculating a helical machining path (4) that matches the mean curvature, and cutting the lens surface (5 | 01/04/2011 |
| 7845257 | Ultra-precision machine tool A five axis motion controlled ultra-precision machine tool is provided in which major portions are composed as a structure completely symmetric about the machining point and errors due to thermal displacement can be minimized. A pair of Y axis guide members (41,4... | 12/07/2010 |
| 7823488 | Device for producing microstructures The invention discloses a device and a method for producing microstructures with a spindle, which is adapted to be driven for rotation about its longitudinal axis and which is provided with a fixture for clamping a workpiece, having an actuator provided with a fast ... | 11/02/2010 |
| 7730815 | Vibration body for cutting, processing device, molding die and optical element In the assembly of vibration body, the first width in the lateral direction (X axis direction) is greater than the second width in the longitudinal direction (Y axis direction) in the cross sectional form perpendicular to Z axis of the first portion on the tip side ... | 06/08/2010 |
| 7669508 | Cutting tool using one or more machined tool tips with diffractive features A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and a shank on the tool post holding at least one machined tool tip and possibly other tool tips. The tool tip has diffractive features in contact with the work piece... | 03/02/2010 |
| 7628100 | Cutting tool using one or more machined tool tips with diffractive features in a continuous or interrupted cut fast tool servo A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with at least one machined tool tip and possibly other tool tips. The actuator provides for control of the movement of the tool tip in an x-direction ... | 12/08/2009 |
| 7571669 | Machining apparatus for noncircular shapes In a noncircular shape machining apparatus, a tool 7 is moved reciprocally in an X-axis direction by a tool-moving mechanism. A first acceleration sensor 6 is disposed on a saddle 11, which is an immovable section of the tool-moving mechanism. F... | 08/11/2009 |
| 7404347 | Noncircular working device A working device of a noncircular workpiece, such as a piston of an internal combustion engine, is improved. A workpiece 10 is held by a work spindle and rotated. A noncircular working device 100 has a noncircular working unit base 110 and is pr... | 07/29/2008 |
| 7395742 | Method for using a cutting tool having variable movement in a z-direction laterally along a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of the movement of the tool tip in a z-direction laterally along the work piece, while mai... | 07/08/2008 |
| 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 |
| 7340985 | Method and device for vibration control A device and method for vibration control in a machine for cutting, said machine comprising a cutting tool supported by a tool holder. The device comprises a control unit and converting means which are connectible to the control unit and comprise a vibration sensor ... | 03/11/2008 |
| 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 |
| 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 |
| 7251974 | Method and forming machine for deforming a hollow workpiece The invention relates to a method and a forming apparatus for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, ... | 08/07/2007 |
| 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 |
| 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 |
| 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 |
| 7219520 | Method and forming machine for working a workpiece An aspect of the present invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to ... | 05/22/2007 |
| 7219411 | Method for manufacturing commutator having commutator segments A feed rate of a single-point cutting tool, which is an axial relative moving distance of the cutting tool along an outer peripheral surface of an unfinished commutator product per revolution of the unfinished commutator product, is reduced in an end part of a cutti... | 05/22/2007 |
| 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 |
| 7203569 | Machine tool control methods and designs for fabricating mesoscopic surface structures on substrates There is provided a machining tool for machining a workpiece on a workpiece support in response to control signals. The machining tool includes a cutting tool configured to cut a surface of the workpiece. The machining tool also includes a first displacement mechani... | 04/10/2007 |
| 7174759 | Forming machine and method for deforming a hollow workpiece The invention relates to a forming machine at least provided with a clamping device for clamping a hollow workpiece having at least one open end and a first forming tool which can be placed into contact with the outer surface of the workpiece and with which the work... | 02/13/2007 |
| 7174796 | Tool evaluation system and method A tool is evaluated in response to a member of the tool being moved from a first position to a second position. In this evaluation, a first force is applied to the member. The first force is operable to move the member from the first position to the second position.... | 02/13/2007 |
| 7168351 | High-speed cutting process for generating desired curved surface on workpiece A process for generating a curved surface on a workpiece with high speed is disclosed, in which an acceleration of a slider is set to a predetermined desired acceleration while a rotating velocity of a work spindle is made varied to keep the acceleration of the slid... | 01/30/2007 |
| 7156006 | Method and assembly for rotating a cutting insert during a turning operation and inserts used therein A cutting insert rotated about its axis may be utilized during a metalworking operation and applied against the rotating workpiece to enhance tool performance. A method, including an assembly with a rotatable insert mounted to a toolholder may be utilized to achieve... | 01/02/2007 |
| 7152445 | Method and forming machine for working a workpiece The invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to fix the workpiece, th... | 12/26/2006 |
| 7153073 | System and method for precision machining with a single point cutter The single point machining head includes a probe that is removably mounted on a carriage that moves radially relative to a central axis of the machining head. A system controller moves the carriage in a radial direction while the machining head is fed in a vertical ... | 12/26/2006 |
| 7149599 | Apparatus and method for creating tool path When creating other tool path from two tool paths for cutting a work accurately and efficiently, the data on the first tool path is composed of a position vector and a direction vector of a tool for use when the work is cut while moving the tool. The data on the sec... | 12/12/2006 |
| 7131359 | Multiple-spindle lathe In order, in a multi-spindle lathe, comprising a lathe frame, a spindle drum, which is mounted on the lathe frame such that it can rotate about a spindle drum axis and has an end face facing a working space, a multiplicity of workpiece spindles, which are mounted in... | 11/07/2006 |
| 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 |
| 7120288 | Accuracy analyzing apparatus for machine tool The present invention relates to an accuracy analyzing apparatus which is capable of efficiently analyzing accuracies of a machine tool including the perpendicularity of a spindle axis and the thermal displacement of a spindle with a higher level of accuracy at lowe... | 10/10/2006 |
| 7099719 | Output cam system and method In accordance with a first preferred embodiment, a control method comprises monitoring a position of a motion control axis and controlling an output device responsive to the position of the motion control axis. The controlling step further includes latching a cam el... | 08/29/2006 |
| 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 |
| 7089835 | System and method for forming a non-rotationally symmetric portion of a workpiece A method and control system for forming workpiece surfaces with at least a portion being non-rotationally symmetric (i.e., axis asymmetric) is provided. In one aspect, a slow tool servo system is provided to fabricate a surface having at least an axis asymmetric por... | 08/15/2006 |
| 7081039 | Grinder system and method for creating a contoured cutting face with a variable axial rake angle Both a grinder system and a corresponding grinding method are based on a module, embodied preferably as a program or program segment, which, preferably automatically, defines the geometry of the corner cutting edge and the corner cutting face of a metal-cutting tool... | 07/25/2006 |
