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WO/2015/064204A1 |
Provided is a main spindle mechanism for a machine tool such that even in the case of a small-diameter spindle, it is possible to increase the torque transmitted to a large cutter and it is possible to prevent contact to and collisions w...
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WO/2015/063554A1 |
The invention concerns an arrangement for coupling to a chuck device a workpiece, in particular a toothed workpiece, which is to be clamped so as to be rotatable about a chuck axis of the chuck device, with an abutment region which is us...
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WO/2015/052593A1 |
A hob for a cutting apparatus including a hollow body of a sintered hard, metal composition and a cavity located within the body, the cavity having a volume in the range of about 10% to about 90% of the volume of the body,
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WO/2015/040899A1 |
Provided is an internal-gear machining device that is capable of using an existing configuration to negate the rake angle generated at a cutter rotation axis and of performing high-precision machining. Also provided is an internal-gear m...
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WO/2014/206901A9 |
The invention relates to a hobbing machine (1), comprising - a workpiece spindle (2) for rotating a workpiece (5) about an axis of rotation (RA), - a hobber head (7) for the hob machining of the workpiece (5), and - a first chamfering de...
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WO/2015/033799A1 |
This gear cutting machine, which is equipped with a cutter (15), a cutter spindle motor (11) that causes, via a crank mechanism (13) and a cutter spindle (16), the cutter (15) to perform a stroke operation, and a motor control unit (10) ...
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WO/2015/034699A1 |
A low profile peripheral cutter (18) with stick blades (6). The cutter comprises a cutter body (30) and a flexible clamping disk (20) to clamp all blades wherein the flexible clamping disc includes a slot (24) between each cutting blade ...
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WO/2015/025807A1 |
A rotary machining device (1) provided with a rotation device (2) for supporting a workpiece on which helical teeth are formed and causing the workpiece to rotate, a machining device (3) for using grinding teeth (71) of a rotary grindsto...
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WO/2015/025329A1 |
The Involute Helical Gears have a wide range of application in various products and industriesThe invention is meant for mass production of Involute Helical Gears in a single pass with accuracy, precision, low power consumption and easy ...
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WO/2015/021565A1 |
A machine for machining workpieces comprises a machine frame (110, 120), a honing ring carrier (60) which is mounted on the machine frame and in which a honing ring or a honing ring blank is able to be clamped and is drivable in rotation...
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WO/2015/021566A1 |
The invention relates to a machine (1) for honing gears comprising a workpiece spindle (54), the spindle axis of which is oriented vertically, wherein a workpiece to be machined can be attached in the region of a free end of the workpiec...
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WO/2015/014448A2 |
The invention relates to a method for machining the tooth edges between the end faces and the tooth flanks of a tooth gearing, wherein the machining tool is toothed and for the purpose of stock removal rotates about its tooth gearing axi...
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WO/2015/014483A2 |
The invention relates to a gear cutting machine for machining gear teeth, comprising a gear cutting tool, which is rotationally driven about a tool axis of the gear cutting tool, an assembly, which has a tool retainer provided for accomm...
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WO/2015/005269A1 |
Provided is a gear-use polishing body that can be easily manufactured and can polish a tooth surface of a gear with high-precision without the need for special shaping work such as dressing. A gear-use polishing body (4A) has a screw-sha...
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WO/2015/000652A1 |
The invention relates to an apparatus for smoothing an internal and/or an external toothing system (4a) of a component (4). It is proposed that at least two radially advanceable smoothing gearwheels (A, B, C) which engage into the intern...
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WO/2014/206902A1 |
The invention relates to a hobbing machine (1), comprising a workpiece spindle (2) for rotating a workpiece (5) about an axis of rotation (RA), a hobber head (7) for the hob machining of the workpiece (5), a chamfering device (19) for ch...
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WO/2014/192672A1 |
Provided is an internal gear grinding method that makes it possible to grind an internal gear having an arc-like tooth shape in a short amount of time. To this end, an internal gear (W) having an arc-like tooth shape and a threaded grind...
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WO/2014/192468A1 |
After temporarily supporting a rotor raw material (8) by holding same with both a chuck (12) and a center (13), a half cylinder jig guide (16) is set concentrically on the periphery of the rotor raw material (8) so as to surround same. O...
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WO/2014/192837A1 |
Provided is a continuous-generation gear-wheel grinding method with which it is possible to produce highly accurate gear wheels with high efficiency by using a high-porosity vitrified grindstone and a water-soluble grinding fluid in cont...
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WO/2014/191923A2 |
A machine and method for the finishing of gears (I; I1; I2) with a finishing tool (5; 105; 205), in particular a grinding wheel; the machine having a plurality of workpiece carrier slides (10,11; 110, 111; 210, 211), a plurality of workp...
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WO/2014/194057A2 |
A motion which creates an end relief and which is integrated into the plunging cycle of non-generated bevel gears. The tool, after feeding to the correct tooth forming position in case of non-generated gears, is swung sideways out of cut...
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WO/2014/187561A2 |
The invention relates to a method for producing and/or processing a gear on a workpiece, wherein the workpiece is moved from a first location, in which the workpiece is clamped on a clamping device connected to a workpiece spindle and is...
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WO/2014/182618A1 |
Gear machining apparatus and methods are configured to produce gaps between gear teeth having portions formed by two different machining processes. A rough cutting process may be used to form a root portion of the gap, while a finish cut...
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WO/2014/178718A1 |
The present invention relates to a quick change system for rotary tools (9), particularly hole saws, comprising an elongate shank (11) and a tool adapter (15) for coupling a rotary tool (9) to the shank (11). The quick change system acco...
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WO/2014/148390A1 |
Provided are a gear machining apparatus and a gear machining method with which the surface roughness, in a tooth profile evaluation range, of the surfaces of the teeth of a gear can be improved. This gear machining apparatus (1) machines...
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WO/2014/135140A2 |
The invention relates to a method and a device for deburring and chamfering face edges (26) of toothed workpieces (8) by means of at least one tool (14), the device having a workpiece spindle (7) that rotates about a spindle axis (9), wh...
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WO/2014/131488A1 |
The invention relates to a method for cutting or machining gear teeth of a workpiece which is driven to rotate at very high speeds about its axis of rotation, using a toothed tool which is driven to rotate about its axis. The tool and th...
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WO/2014/131487A1 |
The invention relates to a method for cutting or machining internal gear teeth of a workpiece that can be rotated about its rotational axis and radially delimits a free space which extends axially on one side beyond the internally toothe...
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WO/2014/130415A1 |
Generating cutting processes for producing bevel gears and employing a single rotary disc cutter (36) wherein a portion of the generating cutting process effectively includes a reduction (38) of the workpiece roll angle (40) during gener...
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WO/2014/125728A1 |
The finishing shell of this helical broach (1) is formed by stacking a plurality of wafer shells (20W(1)-20W(N)) in the axial direction, and is obtained by forming on the wafer shells (20W(1)-20W(N)) finishing blades (30W(1)-30W(N)) corr...
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WO/2014/125872A1 |
The finishing part (4) of this helical broach (1) is formed by a first finishing shell (20) and a second finishing shell (30) which are divided in the axial direction, and is obtained by forming a first finishing blade (50), which compri...
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WO/2014/013290A9 |
The invention relates to a stamping press comprising a first body (200) and a second body (100, 300), at least one of said bodies being movable in the axial direction. The first body houses a third body (255) that can move rotatably in a...
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WO/2014/104245A1 |
The present invention provides a cutting insert (1) provided with a cutting blade with an approximate shape of an involute curve. A cutting blade (18) is formed so as to have a first curved shape with a first curvature radius as a whole ...
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WO/2014/093411A1 |
A bevel gear manufacturing face cutter head (20) for face hobbing and face milling wherein the cutter head comprises blade positioning slots (20) having a four-sided shaped cross-section and positive blade seating surfaces (22, 24) and h...
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WO/2014/091232A1 |
A method of machining, with a formed tool, a first rotor and a second rotor with mutually complementary meshing threads involves rotating a first workpiece about a longitudinal axis of the workpiece. The tool makes one or more passes alo...
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WO/2014/078174A1 |
A cutter head (40) having cutting blade positioning slots (50, 52) wherein a portion of the positioning slots accommodate cutting blades (42) for right-hand cutting and another portion of the positioning slots accommodate cutting blades ...
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WO/2014/075651A2 |
The invention relates to a method for determining the flank face contour, more particularly the clearance angle, of a blade-like tool or tool tooth of a tool for hob peeling workpieces, according to which - in a first step, the rake face...
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WO/2014/074495A1 |
A bevel gear manufacturing face cutter head (2) for face hobbing and face milling wherein the cutter head comprises positive blade seating surfaces (16, 18) and the capability to clamp the blades (8) tight to the positive seating surface...
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WO/2014/061327A1 |
This dressing device has: a gear grinding tool shaft (7) that rotatably supports a screw-shaped grindstone (10); and a dressing tool (30) that dresses the screw-shaped grindstone (10). The dressing device dresses the screw-shaped grindst...
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WO/2014/051665A1 |
A disclosed method utilizes virtual representations of gear profiles produced in view of accuracies and capabilities of specific machine and tool combinations to validate profile finishing parameters. The virtual representations are util...
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WO/2014/049135A1 |
There is shown a tool holder (2, 102) for a hob (3), which is embodied as a bore having a clamping device (4, 104) provided between a spindle (29) and a counterholder (30), said clamping device (4, 104) having a centring clamping piece (...
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WO/2014/041191A2 |
The invention relates to a method for modifying the geometry of gear wheel tooth flanks using a tool having a toothing that engages with the gear wheel (ZR) during precision machining. In this case, a profile that varies over the width (...
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WO/2014/010322A1 |
[Problem] The problem addressed by the present invention lies in shortening the time taken to bevel a tooth shape. [Solution] A gearwheel (w) to be machined and a thread-shaped grindstone (g) which abuts the upper part of an outer periph...
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WO/2014/001941A1 |
A method for machining a gearwheel by means of stock removal using a numerical-control machine tool with at least five machining axes comprises the steps of defining theoretical prefinishing surfaces and theoretical finishing surfaces of...
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WO/2014/000870A1 |
The invention relates to a method for processing a workpiece, in which an end-side toothed edge of a toothing of the workpiece produced by machining is reworked by plastic forming at a first location into a chamfer, the material displace...
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WO/2013/190964A1 |
The crown gear manufacturing device is provided with: a workpiece-supporting unit for supporting a workpiece to rotate freely centered on a first axis; a cutter-supporting unit for supporting a cutter to rotate freely centered on a secon...
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WO/2013/192280A1 |
Method and apparatus for lapping gears which includes an active torque system to substantially improve the lapping process with respect to run-out and other longer-term motion transmission errors without compromising tooth-to-tooth perfo...
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WO/2013/191868A1 |
A tool head (52) for a machine tool comprising a plurality of tool spindles (54, 56, 58) with each tool spindle being rotatable about a respective tool axis. The plurality of tool spindles comprises at least a first tool spindle (54) rot...
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WO/2013/189574A1 |
The invention relates to a method for generating a gear tooth system, wherein a workpiece to be toothed and a chip-removing tool are brought together by rolling motion until, after several passes of the tool, every flank of the gear toot...
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WO/2013/183094A1 |
A gear tooth surface processing device and a gear manufacturing method are provided which are capable of adjusting processing pressure for the purpose of improving the surface roughness of high-hardness gears and the like. The gear tooth...
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