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| Number | Title | Issue Date |
| 7770498 | Modular tool carrier for boring machine Embodiments of the present invention provide a boring bar tool including a tool carrier adapted to translate along a boring bar. Adjustable guide members may be coupled with the tool carrier and adapted to contact the boring bar. The guide members may also be adapte... | 08/10/2010 |
| 7328637 | Apparatus for machining a cylinder bore surface and method of machining the cylinder bore surface using the apparatus An apparatus for machining a circumferential surface defining a cylindrical bore of a workpiece, the apparatus including a tool holder rotatable about a first rotation axis, and a form roller supported on the tool holder so as to be rotatable about a second rotation... | 02/12/2008 |
| 7275468 | Rotary fast tool servo system and methods A high bandwidth rotary fast tool servo provides tool motion in a direction nominally parallel to the surface-normal of a workpiece at the point of contact between the cutting tool and workpiece. Three or more flexure blades having all ends fixed are used to form an... | 10/02/2007 |
| 7272877 | Adjustment method and apparatus for a boring tool Method and apparatus for adjusting the position of a cutting tool. In one embodiment, a boring tool includes a coupling member which is driven by a CNC boring machine, and a sliding tool holder which is slidably coupled to the coupling member. A frictional force res... | 09/25/2007 |
| 7261498 | Deburring tool and cutting insert therefor A deburring tool having an indexable cutting insert having four cutting edges. The cutting insert has a main body portion and a guide groove. The cutting insert is slidably retained in an insert pocket with the main body portion of the insert located in a generally ... | 08/28/2007 |
| 7260877 | Boring and turning mill A boring and turning mill, comprising a nonrotatable tool ram, a rotationally drivable tool spindle in the tool ram, an auxiliary head which can be attached to the tool ram in a nonrotatable manner, two work slides arranged in opposition to each other and displaceab... | 08/28/2007 |
| 7178433 | Processing apparatus, processing method and diamond tool A processing apparatus is provided with a diamond tool. When a first edge portion is made as X axis, a tip end peak point of a rake face is made as an intercept (0, y) on Y axis, and the rake face is projected in the first quadrant on an X-Y plane, a shape be... | 02/20/2007 |
| 7172034 | Boring control method A boring control method for a machine tool for automatically boring a deep hole using a central control means performing boring with programmed control. In the boring, the number of processing and steps of the machine tool is kept minimum, load torque of a tool is d... | 02/06/2007 |
| 7089837 | Combination tool A combination tool including a base body with several reaming blades each having a chamfer and a guide surface, arranged around the circumference of the base body, for reaming a cylinder bore. The combination tool also has at least one grooving blade arranged axiall... | 08/15/2006 |
| 7052217 | Multiple cutting edge rotary tool The invention relates to a multiple cutting edge rotary tool having a radial individual adjustment of each cutting edge or having a central adjustment for all cutting edges together. The multiple cutting edge rotary tool used for machining has a number of holders th... | 05/30/2006 |
| 7048478 | Composable machine tool Composable machine tool for chip removal, on major workpieces, within wide diameter and/or great length clearance holes, made up of a shaft (1) upon which a machine base, controlled by a first engine (50) for the rotation movement and by a second engin... | 05/23/2006 |
| 7048248 | Fixture and loading method for PVD coating of cutting tool inserts A method of loading cutting tool inserts in a PVD (Physical Vapor Deposition) coating equipment consists in using a tube manufactured of a non-magnetic metallic material surrounding a stack of alternating discs of a magnetic material and iron. The north poles of the... | 05/23/2006 |
| 7036408 | Lenslathe with vibration cancelling arrangement A method and apparatus for substantially nullifying vibration and deflection in a single point lens turning lathe having a rapidly reciprocating lens cutting tool and shuttle assembly. The apparatus includes three or more tool shuttles of similar mass mounted for re... | 05/02/2006 |
| 7035507 | Manufacturing method for optical element A manufacturing method for an optical element includes providing a base member for an optical element and a cutting tool from which a blade tip part protrudes, forming an inspecting groove on a surface of the base member by the blade tip part of the cutting tool by ... | 04/25/2006 |
| 7028595 | Precision double-sided aspheric element A precision optical element is described, such as is used in thermal imaging systems in the infra-red, manufactured by means of single point machining, with both of its surfaces having an aspheric form, with or without the addition of a diffractive optics pattern. T... | 04/18/2006 |
| 7029209 | Slidable boring tool with fine adjustment Methods and apparatus for fine adjustment of the position of the cutting tool. In one embodiment, a boring tool includes a coupling member driven by a CNC boring machine, a cutting tool which is slidably coupled to the coupling member, and a slidable adjustment memb... | 04/18/2006 |
| 7011002 | Lathe apparatus The lathe provided in accordance with the invention is designed to address the needs of today's bowl and spindle turners. In an exemplary embodiment, the lathe of the invention comes equipped with a 2 hp DC BALDOR motor and a state-of-the-art 3 hp MINARIK pulse-widt... | 03/14/2006 |
| 6877936 | Method and apparatus for producing a hole in a workpiece A method and apparatus for producing conical holes in a workpiece by using a substantially cylindrical cutting tool having a cutting head diameter essentially smaller than the top and bottom diameter of the hole to be formed. The method comprises the steps of positi... | 04/12/2005 |
| 6840722 | Machining apparatus and machining method A machining apparatus for machining a workpiece by rotating and revolving either the workpiece or a tool 1 to contact with each other. The machining apparatus comprises rotation/revolution ratio setting motors M1 and M3 for setting a ratio of a ... | 01/11/2005 |
| 6761516 | Method for generating holes in laminate materials A method of generating holes in fiber-reinforced metal laminate material is provided, including creating a first bore 18 by passing a cutting element 16 from a first side 24 of the fiber-reinforced metal laminate material 10 to a second s... | 07/13/2004 |
| 6736035 | Engraver In an engraver of an electrical engraving machine for engraving pressure cylinders, the engraver comprises a rotating system which oscillates around small angles. The engraver further comprises a drive system for the rotating system and of an engraving element that ... | 05/18/2004 |
| 6719505 | Orbital hand tool apparatus for drilling A hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The apparatus includes a housing, a spindle unit in the housing for rot... | 04/13/2004 |
| 6705185 | Lathe for interior cutting of hollow work pieces A turning lathe for interior cutting of hollow work pieces using a boring rod onto which a tool holder device is fitted and on which there is a mechanism for holding a work piece in such a way that it encloses at least part of the boring rod characterized by the fac... | 03/16/2004 |
| 6637303 | Elliptical vibration cutting method and elliptical vibration cutting apparatus A workpiece is cut by a cutting tool that is attached to a cylindrical support body vibrated by at least two piezoelectric drive elements. The efficiency of the mechanical vibration is improved by attaching the piezoelectric drive elements to a cylindrica... | 10/28/2003 |
| 6601484 | Method and tool for cutting inside corner A cutting tool for a machine tool is provided in order to cut an inside corner of a workpiece. The cutting tool has at least one cutting edge formed on its bottom. In operation, the cutting tool is rotated by the machine tool. Further, both cutting tool a... | 08/05/2003 |
| 6565297 | Method of milling large thread lengths A method of milling a large thread length with a thread milling cutter having a shank and a milling section having a plurality of rows of teeth arranged in each row one after another with at least two adjacent teeth in each row being separated, in an axia... | 05/20/2003 |
| 6523443 | Process for manufacturing optical surfaces and shaping machine for carrying out this process The present invention is a process by which optical surfaces of lenses, particularly plastic progressive lenses and molding shells for producing lenses are manufactured directly in a single step according to didicidual data. A blank from which an optical ... | 02/25/2003 |
| 6487945 | Tool head A tool head having a first slide fitted with a tool holder as well as a second slide for eliminating the unbalance effect created by the off-centering of the first slide. An actuating device that can be actuated longitudinally that is able to control the ... | 12/03/2002 |
| 6460437 | Precision double-sided aspheric element A precision optical element is described, such as is used in thermal imaging systems in the infra-red, manufactured by means of single point machining, with both of its surfaces having an aspheric form, with or without the addition of a diffractive optics... | 10/08/2002 |
| 6460434 | Machining assembly and a method A machining assembly and a method of cutting a tubular member is described which includes a cutting tool and a tubular member holder, wherein the linear and rotational displacement of the cutting tool and the tubular member are controlled with respect to ... | 10/08/2002 |
| 6447220 | Portable boring/facing machine A portable boring/facing machine having a rotatable boring bar on which is supported a cutting head assembly that is adapted to be axially translated by a lead screw drive powered by an AC variable speed servo motor is provided with mounting brackets atta... | 09/10/2002 |
| 6382884 | Cutting tool and method for machining valve seats The cutting tool for machining valve seats comprises a driving system, a machining head, a pilot, a depth gauge, and a system controller. The driving system provides rotational movement and vertical movement for the machining head which is controlled by t... | 05/07/2002 |
| 6382890 | Hand tool apparatus for orbital drilling A hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The tool axis passes through a predetermined point on a surf... | 05/07/2002 |
| 6367359 | Boring and contouring apparatus A tool head or "head assembly" having on-board logic (1) for being mounted on a rotatable spindle of a machining center, as a boring machine, (2) for being rotated about a primary axis of spindle rotation (PRA), and (3) supports a tool as a boring bar at ... | 04/09/2002 |
| 6341547 | Lathe and method for turning a work piece on a lathe A lathe includes a frame for supporting rotatable chucking equipment adapted to hold a work piece. The frame further supports at least one lathe tool for machining the work piece. The chucking equipment and the lathe tool are displaceable relative to each... | 01/29/2002 |
| 6315503 | Feed system for a rotating cutting tool There is disclosed a feed system for a rotating cutting tool which is driven by a spindle and is adjustable in the feeding direction via an adjusting means. The adjusting means is driven by an operating shaft which can be driven synchronously with the spi... | 11/13/2001 |
| 6220798 | Tool for machining drill hole surfaces A tool for the machining of workpiece surfaces, especially of drilled-hole surfaces, has at least two parts which are displaceable relative to each other. The tool for the machining of the workpiece surfaces is rotatable and includes at least one control ... | 04/24/2001 |
| 6202521 | Method, apparatus and controller for machining non-circular work pieces A method, apparatus and controller for machining non-circular work pieces. The apparatus, method and controller are preferably used in combination with rotating, equipment, such as a turning center having an x-y table capable of gross movements. The appar... | 03/20/2001 |
| 6186706 | Method and equipment for processing carbon bodies A method and equipment with a processing tool for the processing of carbon bodies, such as formation of holes in calcined carbon bodies, in particular nipple holes in anodes for use in electrolytic cells for the production of aluminium. The equipment comp... | 02/13/2001 |
| 6158311 | Machine tool with two eccentric spindles for multiple diameter boring A machine tool comprises a support mounted for rotation about a machining axis, a first motor operable to rotate the support about the machining axis, a tool holder mounted on the support for rotation about a tool positioning axis which is parallel to and... | 12/12/2000 |
