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WO/2010/060733A1 |
The invention relates to a device for cutting teeth in gear blanks (6) by hob peeling, having a workpiece spindle that can be rotationally driven about a workpiece rotational axis (13) for holding the gear blank (6), having a tool spindl...
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WO/2010/060596A1 |
The invention relates to a method for machining the flanks of a gearing that is substantially cylindrical but has a modified crowning in a diagonal rolling method using a helical mold, which has been modified in the crowning in the direc...
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WO/2010/058005A1 |
The invention relates to a device for forming working gears (1) using a hob (10), wherein the working gear (1) can be driven rotationally by a workpiece spindle about a workpiece spindle axis (7), wherein the hob (10) can be driven rotat...
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WO/2010/049256A1 |
The invention relates to a face milling cutter method for manufacturing various hypocycloidal bevel gears that is characterized in that the following steps are performed to manufacture a first bevel gear: equipping a universal face milli...
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WO/2010/045927A1 |
The invention relates to an internal broaching tool for broaching profiles delimited by a root and flanks. The aim of the invention is to design an internal broaching tool for broaching profiles that allows a workpiece to be broached in ...
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WO/2010/045926A2 |
The invention relates to an internal broaching tool for broaching profiles delimited by a root and flanks, said tool being suited for helical broaching. The aim of the invention is to design an internal broaching tool for broaching profi...
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WO/2010/029975A1 |
A helical broach (1) for roughing comprises a cutting edge (30) where n spline teeth (31) are arranged along the axial direction, and each cutting edge (32) of the spline teeth (31) is arranged along a desired helix angle and has an acut...
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WO/2010/025942A2 |
In a gear cutting grinding machine, the work spindle (18) of which is supported on a first pivot movement unit (17) mounted on a first linear movement unit (15), a second linear movement unit (19), on which a dressing spindle (21) is mou...
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WO/2010/019955A2 |
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, ...
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WO/2009/157988A1 |
A method of manufacturing bevel gears with a tool, such as a tapered milling tool (16), wherein the tool is located at a position offset (Rw) from the center position of a conventional face milling cutter and the tool follows a path, suc...
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WO/2009/132819A1 |
The invention is directed towards a machine tool for incorporating gear teeth into the inner side of an annular work piece by metal-cutting, with a) an annular machining table for the support or placing on of at least one workpiece, and ...
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WO/2009/121387A1 |
The present invention relates to a machining head for machine tools, preferably tooth milling and tooth grinding machines, having a direct drive, disposed in a machining head bed of at least one machine tool, wherein the direct drive com...
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WO/2009/114203A1 |
A method of determining axial and/or radial runout due to workholding equipment and compensating for such runout during machining of a gear wherein axial and/or radial runout compensations are executed during the machining of each indivi...
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WO/2009/078193A1 |
Provided is a barrel worm-shaped tool, which is enabled to perform a gear working highly precisely by reducing a working load and an offset wear. The barrel worm-shaped tool is a barrel worm-shaped grindstone (12), which is formed to hav...
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WO/2009/069497A1 |
This aims to provide a vibration-suppressing mechanism for a gear-shaping machine, which is enabled to suppress mechanical vibrations at the time of shaping a helical gear by selecting an optimum balance weight. The vibration-suppressing...
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WO/2009/033467A1 |
The invention relates to a gear hobber (1) comprising a rotatably mounted drum (2), in which two workpiece spindles (3, 4) are positioned, a hobber head (9), a motor drive (6) that is used to move the drum (2) between two operating posit...
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WO/2009/028288A1 |
Cemented carbide alloys are a material having hardness and high toughness. Various trace elements are added in order to obtain these performances. One of the additives is vanadium carbide (VC). However, the incorporation thereof failed t...
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WO/2009/022557A1 |
A surface-coated cutting tool which has excellent chipping resistance and wearing resistance in high-speed cutting processing such as high-speed gear cutting processing, high-speed milling processing, and high-speed drilling processing. ...
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WO/2009/017248A2 |
A machining section (12) of a gear machining apparatus includes a workpiece support in the form of a shaft (J1) that pivotally supports the workpiece gear (14) and a cutter support in the form of a shaft (J2) that supports the chamfering...
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WO/2009/015643A2 |
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 pol...
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WO/2009/013012A1 |
The invention relates to a machine tool for machining a work piece having a main spindle unit with a preferably vertical spindle axis, and a machining spindle unit, particularly a hobbing spindle unit that is arranged next to the spindle...
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WO/2008/140723A1 |
A manner of reducing or eliminating chip packing in gear cutting tools, especially in bevel gear cutting tools wherein the back surfaces (D1) of at least some cutting blades are modified by the introduction of a rake angled surface (D2) ...
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WO/2008/136903A1 |
A quick-adjust draw rod positioning nut (2) which is attachable to a machine's chuck and/or de-chuck prime mover (6) via a base portion (4). The positioning nut includes an engagement portion (12) preferably comprising at least two segme...
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WO/2008/133517A1 |
A method for designing and manufacturing a gear by means of a computer-controlled machining device comprises the following steps of: using a machining device adapted to perform an operation from the group including: milling and spark ero...
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WO/2008/107045A1 |
The invention relates to a workpiece (1) for the production of a gear wheel having transverse or arched teeth. The workpiece is formed by a substantially rotational symmetric body made of metal, or a metal alloy. The workpiece is further...
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WO/2008/102663A1 |
This invention provides a surface covering member having a high level of hardness and excellent oxidation resistance, a process for producing the surface covering member, a cutting tool, and a machine tool. An oxidation-resistant film la...
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WO/2008/099714A1 |
Provided are a gearing apparatus capable of shortening the gearing time period, and a gear working machine. The gearing apparatus gears a grinding stone (13) and a gear-shaped work (W) into gearing rotational phase relations, before they...
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WO/2008/077593A1 |
The invention relates to a method for sharpening the toothwork of a workpiece by means of hobbing, wherein the toothwork comprises first teeth and second teeth, which are disposed in a first direction such that they alternate at least in...
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WO/2008/058859A1 |
The invention relates to a method for finishing conical spur gear teeth, known as beveloid teeth, and a device for carrying out the method. It is proposed that the finishing is performed by honing, to be precise by means of a honing tool...
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WO/2008/053769A1 |
A method and device for detecting the most suitable tooth matching angle of a gear by performing all tooth detection and its signal processing in a short time, thereby canceling the cumulative pitch errors of the left and right tooth sur...
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WO/2008/050658A1 |
A backlash eliminator capable of eliminating backlash with low loss while suppressing friction and heating by reducing backlash eliminating force. The backlash eliminator comprises an input shaft (15) connected to a driving motor (20) an...
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WO/2008/045572A1 |
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.
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WO/2008/034402A1 |
The invention relates to a method for working the toothing of workpieces (3), in particular gear wheels, comprising milling, deburring by hobbing and integrated secondary deburring. The method is performed on a machine tool (1) with two ...
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WO/2008/036200A1 |
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 revolvi...
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WO/2008/030530A2 |
A machine for processing gears, such as by testing and lapping, which can accommodate a wide range of gear pair shaft angles (less than, equal to, and greater than ninety degrees) while providing improved machine stiffness and an enhance...
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WO/2008/018505A1 |
In a grinding wheel (1) of electrodeposited internal gear type, a grinding part (3) of gear type having an abrasive grain layer on which super abrasive grains are electrodeposited is formed on the inner peripheral surface of a circular r...
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WO/2008/011764A1 |
This invention relates to a kind of gear pair for power transmission in speed increaser or reducer and its tooth profile forming method, the tooth profiles of driving gear (1) and driven gear (2) are separately designed from the referenc...
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WO/2007/139708A2 |
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 grin...
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WO/2007/121694A1 |
The invention relates to a machine tool (1) for machining toothing of work pieces, comprising a rotating holding device (3) which can be rotated about a main axis A, two work piece spindles (4a, 4b) which are arranged on the rotating hol...
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WO/2007/114761A1 |
A mounting device for attaching an element with a spherical connection portion (30) to a tubular member (10,11,14) forming part of a tool carrying structure, wherein the mounting device comprises a support member (20) with a part -cylind...
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WO/2007/103939A2 |
A cutting tool, comprising may include at least one abrasive tip (22) that includes : an abrasive cutting edge, and an insert body (23). The insert body includes a moldable material, and the moldable material is adhered to a portion of t...
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WO/2007/090871A1 |
The invention relates to apparatuses for machining bevel gears in a pitching method and method for machining the pitch of gears, wherein the production-related pitch error is compensated. The apparatus (20) comprises an interface (11, 12...
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WO/2007/079646A1 |
A gear form-grinding method using a grinding wheel comprises the following steps: manufacturing a special diamond dresser for the grinding wheel according to the module and the diameter of the workpiece; installing the special diamond dr...
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WO/2007/078670A2 |
A cutting tool assembly adapted to be coupled to a cutter head for manufacture of a gear. The cutting tool assembly includes a cutting insert and a holder adapted to couple the cutting insert to the cutting head. The holder includes a po...
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WO/2007/071147A1 |
A deburring device for gear comprises a plate for supporting the gear, a brush and a driving portion, etc. The plate is supported rotatably on a base by a spindle. Some positioning components of the workpiece are provided on the upper su...
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WO/2007/065945A1 |
The invention relates to a method for producing undercuts on the tooth flanks (2', 2'') of the teeth (2) of a toothed gear blank (3), wherein the gear blank (3) is essentially continuously rotationally driven by a work spindle, and a fir...
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WO/2007/048516A2 |
A high gear ratio conical gear produced by the single-indexing method has a number of pinion gear teeth from (1) to (4) with an axial offset between the rotational axes of the pinion gear and the ring gear, the pinion gear being designed...
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WO/2007/045003A1 |
The invention relates to a component comprising at least one structural element (3), especially a moulded part (4), which consists of a powder or a powder mixture containing metallic and optionally non-metallic components, and is produce...
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WO/2007/046116A1 |
The invention relates to a shaping roll (1) for double cold working of sheet material, which provides a toothed configuration (2) extending on the outer surface of the roll (1), according to a substantially diagonal direction with respec...
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WO/2007/045610A1 |
The invention relates to a method and to a production line for carrying out the method for producing internal geared workpieces, particularly sliding sleeves. The invention discloses a method, which is advantageous with regard to product...
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