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WO/2021/128990A1 |
An automatic feeding and discharging manipulator device for a numerical control milling machine. The device comprises a working platform (1), an XYZ three-axis transmission system (2), a tooth blank storage plate group mechanism (31), a ...
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WO/2021/105606A1 |
The invention relates to a method for manufacturing a rack (2) comprising a toothing with variable pitch (PI), characterised in that it comprises a roughing step, in which a blank (1) of the rack (2) is produced, said blank (1) comprisin...
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WO/2021/097779A1 |
A gear polishing device with high polishing precision, comprising a frame (1). A fixed bottom base (2) is provided on the frame (1); an adjustment recess (3) is provided on the fixed bottom base (2); a hydraulic cylinder (4), a fixing pl...
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WO/2021/098364A1 |
A numerically controlled machine tool for spiral bevel gear machining, comprising a machine tool body (100), a column (200), a cutter spindle box (300), a workpiece spindle box (400), and a rotary table (500). The rotary table is mounted...
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WO/2021/098915A1 |
A workpiece (2), namely a gear with an inner toothing, is deburred using a deburring tool (1) which has two cutting plates (12, 13) in that the workpiece (2) is first rotated in a first rotating direction, wherein tooth flanks (7) of the...
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WO/2021/097780A1 |
An internal gear helical tooth machining apparatus. The internal gear helical tooth machining apparatus comprises a bottom plate (1), a placement plate (2) is connected to the bottom plate, and a horizontal feeding apparatus is connected...
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WO/2021/092011A1 |
A method for producing honing tools (24) that are conjugate to the bevel pinions and ring gears (26) they are intended to hone and which can be produced (e.g. cut) on a standard bevel gear free form machine. The method is described by tw...
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WO/2021/083878A1 |
The invention relates to an internal helical broaching tool which is used to produce an inner internal helical broaching tool tooth profile (12) in a workpiece. The tool has a broaching tool section which leads in a broaching direction a...
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WO/2021/074016A1 |
The invention relates to a method for griding the toothing (1) or the profile of a workpiece (2), in particular a gear wheel, wherein the workpiece (2) has an axis of rotation (a) and wherein an excess (A) is ground away from the surface...
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WO/2021/073773A2 |
A coolant delivery assembly configured for use with a gear cutter tool that cuts gear teeth into a workpiece to form a gear includes a retaining cooling nut, a tool holder and a coupling member. The retaining cooling nut has a nut body t...
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WO/2021/069176A1 |
The invention relates to a skiving wheel for producing a toothing on a gearwheel by skiving, wherein the skiving wheel (1) has a toothing that is formed by a multiplicity of identical cutting teeth (2, 2a-2d) arranged so as to be distrib...
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WO/2021/069390A1 |
The invention relates to a method for grinding a workpiece with toothing or a profile, in which, in a single workpiece clamping operation in the grinding machine, the toothing or the profile is pre-machined using a rough-grinding tool in...
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WO/2021/069384A1 |
The invention relates to a method for grinding the toothing (1) of a gear (2), in which method a target value (TBM) together with a tolerance range (OTBG, UTBG) is defined for the tooth width of the toothing (1). In order to achieve a hi...
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WO/2021/063924A1 |
The invention relates to a method and a device for finishing toothed workpieces (2) using a tool (1) which is designed in the form of a power skiving cutter and is rotated by a tool spindle (17) and which has machining teeth (7) that mes...
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WO/2021/063782A1 |
The invention relates to a method for producing or machining, by cutting, an identical set of teeth on each of a plurality of workpieces, in particular at least four workpieces, of a workpiece batch on one or more gear-cutting machines (...
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WO/2021/052787A1 |
The invention relates to a machine tool (1) for machining teeth comprising: a workpiece spindle (16) for driving a workpiece (18) to rotation about a workpiece axis (C1); and a tool spindle (11) for driving a tool (12) to rotation about ...
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WO/2021/048306A1 |
In a method for manufacturing a stepped gear wheel, teeth (9) are cut in a part 2A of a workpiece (11) having a smaller diameter than another part 2B of the workpiece. This cutting is performed by means of a ring shaped cutting tool (11)...
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WO/2021/048347A1 |
The invention relates to a method for deburring internally toothed gearwheels (1). The gearwheel (1) is driven for rotation about a workpiece axis of rotation (DZ). A thrust wheel (20) with toothing arrangements (23, 24) directed towards...
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WO/2021/047961A1 |
The invention relates to a method for producing a rotor (1, 2) of a screw compressor or a workpiece with a helical profile, the rotor (1, 2) or the workpiece with a helical profile having a number of profiles in the form of groove-shaped...
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WO/2021/047976A1 |
The invention relates to a skiving tool (10) for cutting a toothing into a gearwheel by skiving, having a rotatable carrier body (12) and radially protruding cutting edges (14), connected to the carrier body (12) in a common radial plane...
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WO/2021/039195A1 |
Provided is a gear grinding multilayer-layer grindstone that provides stable grinding accuracy and gear tooth surface roughness after grinding by a finishing grindstone part even in a high-speed rotation range. This gear grinding multi...
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WO/2021/039196A1 |
Provided is a double-layer grindstone for gear grinding with which a grinding speed or a grinding efficiency can be achieved without lowering an upper limit of the peripheral speed for grinding, i.e., the fracture peripheral speed. In a ...
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WO/2021/000715A9 |
A numerical control gear milling machine, comprising: a lather bed (100), the lather bed (100) being movably provided with a sliding table (200) along the X axis, the sliding table (200) being movably provided with an upright column (201...
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WO/2021/019014A1 |
A gear wheel (10) for a hydraulic apparatus is rotatable about an axis of rotation (H-H) and comprises a plurality of teeth (11) having a sectional profile (P) and being adapted to mesh with respective teeth of another gear wheel during ...
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WO/2021/019800A1 |
The purpose of the invention is to provide a skiving cutter and a skiving device which are mainly for external gear machining and enable the achievement of both precision machining and long life. A skiving cutter 10 is equipped with a ...
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WO/2021/018562A1 |
The invention relates to a method for hard fine machining of two toothings (1, 2) which are provided on a workpiece (4) and are different from each other, in which method, prior to the respective machining operation, in order to adjust a...
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WO/2021/008915A1 |
The invention relates to a machine tool for the roll machining of rotational parts having groove-shaped profiles, in particular sets of teeth. A Y-slide (200) is arranged on a machine bed (100), which Y-slide can be slid in a Y-direction...
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WO/2021/008882A1 |
The invention relates to a method for grinding a gear wheel (1) by means of a worm grinding wheel (2) in a grinding machine, wherein the tooth flanks (7, 8, 9, 10) of the gear wheel (1) are ground by the abrasive flanks (3, 4, 5, 6) of t...
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WO/2021/001055A1 |
The invention relates to a method for producing tooth flank modifications on toothing of workpieces, in which the workpiece and a tool are moved relative to one another and, as a result, material is removed from the tooth flank (3) of th...
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WO/2020/259988A1 |
The invention relates to a gear cutter (20) for cutting a gear (10). The gear has a first helical gear rim (11) and a second helical gear rim (12), and the gear cutter (20) has a first hob (21) on a hob spindle (23) rotatably mounted abo...
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WO/2020/254114A1 |
The invention relates to a method for gear shaping a periodic structure, in particular a toothing on a workpiece, in which method the workpiece, continuously rotating about its axis of rotation, is brought into material-removing machinin...
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WO/2020/239765A1 |
An apparatus and corresponding method for machining at least one spline 205 in an aeronautical component 200. The apparatus comprises a holder 15 defining an axial direction about which the holder 15 is moveable, and a cutting insert 20 ...
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WO/2020/226111A1 |
This sintered gear manufacturing method includes a step of preparing a cylindrical green compact, a step of cutting gear teeth on the green compact with a hob, and a step of sintering the green compact subjected to the gear cutting, wher...
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WO/2020/216657A1 |
The invention relates to an apparatus for complete machining of sliding collars, comprising a first machine unit (1) having the first workpiece spindle (5), the first tool spindle (3), the second tool spindle (13) and a control device (2...
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WO/2020/213260A1 |
A cutting tool including a rake surface, a flank surface, and a blade edge part, wherein: the cutting tool comprises a substrate and an AlTiN layer; the AlTiN layer includes cubic crystal grains of AlxTi1-xN; the atomic ratio x of Al is ...
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WO/2020/213259A1 |
A cutting tool includes a rake face, a flank face, and a cutting edge part, wherein the cutting tool is provided with a substrate and an AlTiN layer. The AlTiN layer includes cubic AlxTi1-xN crystal grains, where an atomic ratio x of Al ...
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WO/2020/212123A1 |
The invention relates to a method for producing or machining toothing (2) on a workpiece (3), in which method the workpiece, which is rotationally driven about its axis of rotation (C), is brought into rolling machining engagement with t...
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WO/2020/213264A1 |
A cutting tool comprising a base material that includes a flank, and a covering layer that covers the flank, wherein: the covering layer includes a matrix region and metal fine particles; the matrix region is composed of a compound repre...
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WO/2020/212903A1 |
A tool (1) to chamfer an edge (2A, 2B) extending between a front surface (3A, 3B) and sides (4*, 4**) of teeth (5) of a raw gear wheel (6) and having: a cylindrical body (7) having a rotation axis (X) and a substantially cylindrical side...
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WO/2020/213257A1 |
Provided is a cutting tool including a rake face, a flank, and a cutting edge, wherein: the cutting tool comprises a base material and an AlTiN layer; the AlTiN layer contains cubic crystal grains of AlxTi1-xN; the atomic ratio x of Al i...
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WO/2020/213262A1 |
A cutting tool including a rake face, a flank face, and a blade tip and comprising a base material and an AlTiN layer. The AlTiN layer includes cubic AlxTi1–xN crystal grains. The Al atomic ratio x is at least 0.7 and less than 0.95. T...
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WO/2020/213263A1 |
A cutting tool comprising a base material that includes a cutting face, and a covering layer that covers the cutting face, wherein: the covering layer includes a matrix region and metal fine particles; the matrix region is composed of a ...
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WO/2020/213258A1 |
A cutting tool includes a rake face, a flank face, and a cutting edge part, wherein the cutting tool is provided with a substrate and an AlTiN layer. The AlTiN layer includes cubic AlxTi1-xN crystal grains, where an atomic ratio x of Al ...
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WO/2020/207237A1 |
Disclosed is a gear-formation-oriented machining method for a matching gear. The machining method comprises a matching gear machining process route, and comprises the steps of: choosing a modification coefficient of a pinion; calculating...
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WO/2020/201987A1 |
The invention discloses a process of manufacturing of the crown gear. The teeth profile and face of crown gear is manufactured in the assembled condition with differential housing/casing. The process comprises the steps of turning, PCD h...
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WO/2020/203219A1 |
A method for manufacturing a hypoid gear (10) comprises a gear cutting step (S1) for processing the shape of the teeth of the hypoid gear, a surface treatment step for shaping a third intermediate gear (10c) having a hardened layer forme...
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WO/2020/193228A1 |
The invention relates to a method for automatic process monitoring in continuous generation grinding of pre-toothed workpieces (23), said method enabling the early detection of grinding disc chips. A plurality of workpieces are machined ...
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WO/2020/132228A9 |
A power skiving method wherein three-dimensional cutter rotations relative to gear workpiece tooth flank surfaces are carried out so as to reposition the cutter relative to a gear workpiece so as to achieve a decrease and/or an increase ...
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WO/2020/184465A1 |
A gear-material holding device 1 has: a machine-tool connection member 2 that is connected to a machine tool y; a holding member 3 that has a hollow cylindrical portion 5 to be brought into contact with the side wall of a circular hole x...
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WO/2020/173843A1 |
The invention relates to a method for grinding or polishing a gearwheel (1, 2) in a grinding or polishing machine (3), wherein the machine (3) has two workpiece spindles (4, 5) for receiving a workpiece (1, 2) and at least one grinding o...
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