A method for providing teeth on working gears by cutting, wherein the working gear and the cutting tool are driven in rotation at a predetermined speed ratio along axes oriented at an intersection angle. The flanks of the cutting teeth form edges having flank cutting sections arranged on the edges of a gap between two adjacent teeth and extend along a first contour line, and which as a result of an advance in the direction of the working gear engage in a cutting manner to produce teeth having a flank contour predetermined by the shape of the cutting edge. Each of the flank cutting sections is adjoined by a tip cutting section which extends along a second contour line in the region of the base of the cutting tooth gap, wherein the second contour line is curved such that at least partially rounded tooth tips are produced on the teeth.

A method for providing teeth on working gears by cutting, wherein the working gear and the cutting tool are driven in rotation at a predetermined speed ratio along axes oriented at an intersection angle. The flanks of the cutting teeth form edges having flank cutting sections arranged on the edges of a gap between two adjacent teeth and extend along a first contour line, and which as a result of an advance in the direction of the working gear engage in a cutting manner to produce teeth having a flank contour predetermined by the shape of the cutting edge. Each of the flank cutting sections is adjoined by a tip cutting section which extends along a second contour line in the region of the base of the cutting tooth gap, wherein the second contour line is curved such that at least partially rounded tooth tips are produced on the teeth.

A method for the manufacture of a gear component includes, in a soft machining process, introducing a preliminary toothing 3 with a machining allowance 7 that is fixed relative to a final toothing 4 into a blank such that a semi-finished part 2 is produced. The method also includes, in a fine machining process, removing the machining allowance 7 and producing the final toothing 4 of the toothed component. The machining allowance 7 is removed in a single-stage hobbing method by a grinding tool 1, wherein the grinding tool 1 removes the machining allowance completely in a single stroke movement H.

Method for gear cutting a bevel gear workpiece, wherein a preliminary machining phase includes a first machining procedure, wherein a first relative infeed movement moves the gear cutting tool into a first starting position relative to the bevel gear workpiece, the gear cutting tool penetrates the material of the bevel gear workpiece relative to the bevel gear workpiece, proceeding from the first starting position up to a first end position, and the gear cutting tool and bevel gear workpiece carry out a first rolling procedure in a first rolling range, carrying out a further rolling procedure, in order to post-machine at least one of the tooth gaps on the bevel gear workpiece using the rotationally-driven gear cutting tool or another rotationally-driven gear cutting tool, wherein in the scope of this further rolling, a rolling rotation is carried out in a further rolling range, which differs from the first rolling range.

A method for producing gears, wherein in a first step a set of teeth is formed by means of a skiving wheel rotationally driven by a tool spindle in a workpiece gear rotationally driven synchronously thereto by a workpiece spindle, wherein the workpiece spindle and the tool spindle are at an axis intersection angle to each other and the advancement occurs in the tooth-flank extension direction, and wherein in a second step at least some teeth of the set of teeth are machined by means of a tooth-machining tool. A combined tool is used, in the case of which the toothmachining tool and the skiving wheel are fixedly connected to each other. Between the two steps, the combined tool remains connected to the tool spindle and the workpiece gear remains connected to the workpiece spindle. Between the two steps, merely the relative position of the tool spindle in relation to the workpiece spindle and the rotational speed ratio of the two spindles are changed.

A method of manufacturing a hypoid gear includes face hobbing a gear blank and forming a green hypoid gear with gear teeth, heat treating the green hypoid gear to form a heat treated hypoid gear with heat treated gear teeth, and hard hobbing the heat treated gear teeth to form a hard finished hypoid gear. Critical non-tooth features on the heat treated hypoid gear are hard finished. Also, the critical non-tooth features on the heat treated hypoid gear can be hard finished prior to hard hobbing the heat treated gear teeth. The heat treating includes at least one of carburizing and induction hardening the green hypoid gear, a surface of the heat treated gear teeth has a hardness greater than or equal to 58 HRC, and the hard hobbing removes heat distortion from the heat treated gear teeth.

The present disclosure relates to a process for machining a gear workpiece (100) comprising a plurality of tooth spaces (6), each of which is defined by two tooth flanks (5.1, 5.2); in said process, a gear tooth-forming tool (1) is used in order to provide at least one subset of all the tooth flanks (5.1, 5.2) with a non-periodically distributed modification of the flank geometry.

A method for producing gears, wherein in a first step a set of teeth is formed by means of a skiving wheel rotationally driven by a tool spindle in a workpiece gear rotationally driven synchronously thereto by a workpiece spindle, wherein the workpiece spindle and the tool spindle are at an axis intersection angle to each other and the advancement occurs in the tooth-flank extension direction, and wherein in a second step at least some teeth of the set of teeth are machined by means of a tooth-machining tool. A combined tool is used, in the case of which the toothmachining tool and the skiving wheel are fixedly connected to each other. Between the two steps, the combined tool remains connected to the tool spindle and the workpiece gear remains connected to the workpiece spindle. Between the two steps, merely the relative position of the tool spindle in relation to the workpiece spindle and the rotational speed ratio of the two spindles are changed.

A cutting tool includes a steel gear-shaped cutter which has cutting edges for die-cutting a fiber mat into a predetermined gear shape. The cutting edges include tooth-top, tooth-bottom and tooth-surface cutting edges, and. The cutter has an inclined cylindrical exterior shape so that its thickness gradually increases from the cutting edges toward the base end. V-shaped grooves are formed on the exterior surface and become shallower from the cutting edge toward the base end. The wedge angle (1) of the tooth-bottom line from the tooth-bottom cutting edge to the base end is greater than the wedge angle (2) of the tooth-top cutting edge surface from the tooth-top cutting edges to the base end. The thickness (W1) of the tooth-bottom cutting edge is greater than the thickness (W2) of the tooth-top cutting edge on the base-side end.

A cutting tool includes a steel gear-shaped cutter which has cutting edges for die-cutting a fiber mat into a predetermined gear shape. The cutting edges include tooth-top, tooth-bottom and tooth-surface cutting edges, and. The cutter has an inclined cylindrical exterior shape so that its thickness gradually increases from the cutting edges toward the base end. V-shaped grooves are formed on the exterior surface and become shallower from the cutting edge toward the base end. The wedge angle (1) of the tooth-bottom line from the tooth-bottom cutting edge to the base end is greater than the wedge angle (2) of the tooth-top cutting edge surface from the tooth-top cutting edges to the base end. The thickness (W1) of the tooth-bottom cutting edge is greater than the thickness (W2) of the tooth-top cutting edge on the base-side end.