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| Application No. | Application Title | Issue Date |
| 20120009848 | METHOD FOR THE MACHINING OF GEAR TEETH, WORK PIECE WITH GEAR TEETH, AND MACHINE TOOL Method for the machining of gear teeth whose tooth flanks deviate from their specified geometry by a machining allowance, wherein the machining allowance is removed through an infeed of at least two infeed steps, each of which is followed by a machining pass with a prof... | 01/12/2012 |
| 20110275287 | INTERNAL GEAR MACHINING METHOD Provided is an internal gear machining method capable of achieving improvement of machining accuracy and extension of the tool life by increasing a slip velocity. For this purpose, internal gear machining is performed on a workpiece (W) by synchronously rotating the wor... | 11/10/2011 |
| 20110136408 | METHOD FOR DETECTING AND/OR PREVENTING GRIND BURN The present invention provides a method of detecting and preventing grind burn from developing on a gear. The method includes performing acoustic emission testing while the gear is being ground during a grinding operation. The grinding wheel is evaluated during an eddy ... | 06/09/2011 |
| 20110076926 | GEAR GRINDING TOOL AND METHOD OF USING GEAR GRINDING TOOL A gear grinding tool, which includes a helical tooth with grinding faces on surfaces thereof, grinds tooth faces of a gear as a workpiece with the grinding faces. The grinding face includes a rough grinding face for performing a rough grinding process. The grinding face... | 03/31/2011 |
| 20100304642 | Gear Cutting Machine The invention relates to a gear cutting machine for the grinding of external profiles and/or internal profiles of workpieces having at least one machining head which can be rotated about an axis and which has a grinding tool, and having a dressing unit. In accordance wi... | 12/02/2010 |
| 20100300229 | Gear The invention aims to improve not only the resistance to abrasion and scoring, but also the fatigue strength against pitting and chipping, without increasing the number of steps of the manufacturing process. The tooth face 2 of the g... | 12/02/2010 |
| 20100273400 | METHOD AND DEVICE FOR REMOVING A SECONDARY BURR ON AN END-CUT WORK PIECE WHEEL A method and a device for removing secondary burrs raised on the tooth flanks of a work piece wheel by a chamfering of the end tooth edges of said work piece wheel provides a tool wheel that rotationally meshes with the work piece wheel. Said tool wheel has cutting edge... | 10/28/2010 |
| 20100261415 | TOOTH FLANK POLISHING TOOL The invention relates to a tooth flank polishing tool (31) comprising a base (32) that can be rotated about a central axis. A polishing fleece (33) which can be introduced into at least one tooth gap (39) of a gear (30) that is to be p... | 10/14/2010 |
| 20100062689 | WORKING APPARATUS A working apparatus, provided with a base stage, work hold and rotation means for holding and rotating a work, working means movable toward and away from the work via slider mechanism and having a working tool, press means for pressing the working tool toward the work v... | 03/11/2010 |
| 20100041319 | GRINDING WHEEL AND METHOD A grinding wheel for grinding features into a work-piece and a corresponding method for grinding the features into the work-piece are disclosed herein. The grinding wheel includes an outer periphery with a first axial end having a first diameter. The grinding wheel also... | 02/18/2010 |
| 20100041320 | METHOD AND APPARATUS FOR HONING A WORKPIECE AND A WORKPIECE A method for honing a workpiece by passing a workpiece through a hone tool having a plurality of abrasive surfaces configured to remove a portion of all exterior machining surfaces of the workpiece as it is passed through the hone tool, the exterior machining surfaces b... | 02/18/2010 |
| 20100041314 | GEAR MATCHING DEVICE AND GEAR MACHINING APPARATUS Provided is a gear matching device capable of shortening time taken for the gear matching, and also to provide a gear machining apparatus using the gear matching device. For this purpose, provided is a gear matching device which performs gear matching to establish a rot... | 02/18/2010 |
| 20100029183 | METHOD FOR THE PRODUCTION OF A WORKPIECE AND GRINDING MACHINE The invention relates to a method for the production of a rotor of a rotary screw compressor (1) with a cylindrical basic shape, which has a helical profile (2) at its outer circumference, wherein the method comprises the steps of: a) Pre-processing of the... | 02/04/2010 |
| 20090317582 | SINTERED GEAR The invention relates to a sintered gear (1) with teeth (2), between which a tooth base (5) is respectively formed. The tooth base (5) has a surface which is subjected to a thermo-mechanical finishing process and a surface roughness with an a... | 12/24/2009 |
| 20090286455 | METHOD FOR SIZING SINTERED METAL A method for producing a mechanical part comprising sizing a sintered metal unit with application of a lubricating oil composition containing (A) a lubricating base oil having a kinematic viscosity of 0.5 to 150 mm2/s at 40° C., and compounded therein (B) as... | 11/19/2009 |
| 20090233526 | Apparatus and method for the prototype and small-batch production of gear wheels This invention relates to an apparatus for the prototype and small-batch production of gear wheels with a dressing disk. In accordance with the invention, the dressing disk has an asymmetric flank shape and a defined head radius. Furthermore, this invention relates to a... | 09/17/2009 |
| 20090227182 | Method for operating a gear grinding machine The present invention relates to a method for operating a gear grinding machine, with the following operating phases of the gear grinding machine: machining a workpiece on the gear grinding machine by means of a grinding disk and/or grinding worm and dressing a profilin... | 09/10/2009 |
| 20090053977 | Tool and method for discontinuous profile grinding A gear grinding tool can be trued and re-profiled. The geometry of the individual profiles in the direction of the tool axis is designed so that at least more than two, preferably all, flanks of the tool are used for rough machining of the work piece flanks, and that du... | 02/26/2009 |
| 20090031544 | Operating Method for Improving the Running Behavior of Gearwheels and Burnishing Device for Performing the Method An operating method improves the running behavior of gearwheels negatively noticed upon gearwheel testing and is performed by a burnishing device. The gearwheels that were rejected from the production process may be optimized rapidly and in a targeted way so that they m... | 02/05/2009 |
| 20090036031 | Coating assisted surface finishing process A method of polishing a first component by a second component of a tribological pair is disclosed. The method includes mating the first component to the second component in a tribological configuration. The first component and the second component are moved such that a ... | 02/05/2009 |
| 20080292420 | Diagonal generating method to generate tooth flanks with specified twist at specified flank line crowning By coordinating the amount and course of the crowning of the tool and the diagonal ratio, a twist is created with a simple tool, and superimposed on the natural twist, thus resulting in the twist required for the work piece. Furthermore, an additional portion of the cro... | 11/27/2008 |
| 20080254716 | Variable rate method of machining gears A method of machining gears or other toothed articles wherein the workpiece feed rate and/or the tool shifting is varied so as to produce an irregular surface pattern on tooth surfaces with a resulting reduction in mesh noise. The method is particularly applicable to gr... | 10/16/2008 |
| 20080113592 | Method of lapping gears The present invention provides a controllable gear lapping process whereby the lapping process may be modified at discrete locations on the tooth surface in order to selectively modify the tooth flank surface. ... | 05/15/2008 |
| 20080070484 | Method of finishing bevel gears to produce a diffuse surface structure A method for providing a surface structure wherein conventional grinding micro scratches are broken up to provide a diffuse structure of micro scratches and micro flats resulting from grinding wheel motion comprising an eccentric revolving of the grinding wheel and/or g... | 03/20/2008 |
| 20080046124 | SYSTEM FOR LAPPING RING AND PINION GEARS A system for lapping gear sets with a ring gear and a pinion gear. The system includes a lapping machine tool and a robot. The lapping machine tool has a first spindle and a second spindle. The second spindle is rotatable about an axis that is generally perpendicular to... | 02/21/2008 |
| 20070271766 | PROCESS FOR LAPPING RING AND PINION GEARS A method for processing a gear set through a lapping operation that includes: providing a lapping machine tool having a first spindle and a second spindle, the second spindle being rotatable about an axis that is generally perpendicular to a rotational axis of the first... | 11/29/2007 |
| 20070275640 | Worm Wheel Machining Method, Worm Wheel, Worm Speed Reducer And Electric Power Steering Apparatus In a method of machining gear teeth 2 of worm wheel 1 by causing a worm (not shown) on which abrasive or grinding material is added to mesh with the gear teeth 2 of the worm wheel 1, at least the gear teeth of said worm wheel being made of a ... | 11/29/2007 |
| 20070275638 | Method of maintaining a constant grinding process Method of grinding cylindrical gears with a threaded grinding wheel wherein the amount of grinding wheel material utilized during shifting remains constant as the wheel diameter decreases, for example, due to dressing. The amount of grinding wheel shifting is adjusted a... | 11/29/2007 |
| 20070141962 | METHOD FOR GRINDING A WORKPIECE A method of modifying a workpiece such as a geared member includes grinding the workpiece with a rotating grinding wheel, and superimposing a primary motion of the axis of rotation of the grinding wheel with a secondary, oscillatory motion of the axis of rotation. The p... | 06/21/2007 |
| 20060264155 | Method and apparatus using a sensor for finish-machining teeth Teeth of a workpiece of a workpiece are finish-machined by first gauging shapes of the workpiece teeth and generating actual-value signals corresponding thereto. These actual-value signals are compared to set points representing desired tooth shapes, and the teeth of th... | 11/23/2006 |
| 20060223417 | Manufacturing cell for the treatment of grinding and wheel set testing and procedures for the operation of the manufacturing cell A manufacturing cell for the treatment of grinding of gear wheel flanks, in particular by bevel pinions, and suggested for the wheel set testing, which includes a grinding machine (1), an unreeling test equipment (2), a laser inscription unit (3) wi... | 10/05/2006 |
| 20060073766 | Magnetic spindle for machine tool A spindle for a machine tool comprising a outer spindle portion and an inner spindle portion with each of the outer spindle portion and the inner spindle portion being rotatable relative to one another about the same axis. The outer spindle portion and the inner spindle... | 04/06/2006 |
| 20060025050 | Gear grinding machine To correct the tooth profile error of a ground gear, the wheel angle of a threaded grinding wheel is modified by dressing the threaded grinding wheel by a dressing device. To correct the helix form deviation of a ground gear, namely, to modify the helix angle of the gea... | 02/02/2006 |
| 20060009136 | Fixed-abrasive chemical-mechanical planarization of titanium nitride Titanium nitride layers planarized may be utilized in the production of integrated circuits, and various apparatus utilizing such integrated circuits. Planarizing solutions may be used for removing titanium nitride from the surface of a substrate using a fixed-abrasive ... | 01/12/2006 |
| 20050272354 | Method and apparatus for manufacturing hourglass worm rolling die An apparatus manufactures a die for rolling an hourglass worm in improved processing accuracy. The apparatus includes a swing table swung, a movement table mounted on the swing table, and a workpiece shaft arranged on the movement table. The axis of a disk-shaped workpi... | 12/08/2005 |
| 20050181710 | Working method and device for smoothing gearwheels A working method and a device for smoothing gearwheels may be operated cost-effectively and in an environmentally friendly way and enables a simple method sequence and device construction. The device for performing the working method is equipped with at least one smooth... | 08/18/2005 |
| 20050164610 | Chemical mechanical machining and surface finishing The invention described herein discloses a chemical mechanical machining and surface finishing process. A conversion coating is formed on the surface of a workpiece and is removed via relative motion with a tool, thereby exposing the workpiece to further reaction with t... | 07/28/2005 |
| 20050159080 | Modified radial motion (MRM) method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears The present invention relates to a modified radial motion method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears, which is capable of modifying a locus of a cutter center into a curve, without changing a head cutter's geometry, by provid... | 07/21/2005 |
| 20050148289 | Micromachining by chemical mechanical polishing Methods of micromachining structures on substrates using chemical mechanical polishing techniques. ... | 07/07/2005 |
| 20050064794 | Generating method and machine for spiral bevel gears In a method and apparatus for machining spiral bevel gears a rotationally symmetric tool is used and is driven about its axis of rotation as it is moved along with a workpiece into a respective initial starting position. The workpiece is rotated about one tooth index an... | 03/24/2005 |
