Liebherr-verzahntechnik Gmbh

Fette Gmbh

Lmt Fette Werkzeugtechnik Gmbh & Co. Kg

Oliver Winkel

Wolfgang Carmincke

Erwin Bodenmüller

Jörg Hermes

A method for deburring a gear blank includes correcting chamfer sizes, chamfer shapes and chamfer symmetry at tooth edges which were produced with a deburring cutter with a strongly asymmetric tooth shape (ChamferCut). The chamfers are semi-automatically corrected by coupling the movement of several axes of a gear cutting machine, including a workpiece axis of rotation C, spatial shifting axes of a machine column Z, X, and Y, and a V-axis corresponding to the tool axis. The method further includes specifying a correction in the axial direction in one of the axes Z, Vand C, and calculating the correction amount of further axes by the controller depending on the specified axis.

Method for deburring a gear blank

The invention relates to method of manufacturing a multiple of identical gears by means of cutting machining, in particular hob cutting or hob grinding, on a gear-cutting machine, wherein workpieces are machined by means of a rotating tool which is brought into engagement with the workpiece via the control of NC axes of the gear cutting machine. In accordance with the invention, deviations from workpiece to workpiece are compensated by a respective different control of at least one of the NC axes of the gear cutting machine.

Method of manufacturing multiple identical gears using a gear cutting machine

The present disclosure relates to a method of measuring and inspecting a workpiece belonging to a gear pair, wherein the method is carried out on a gear cutting machine producing the workpiece, wherein a mating test piece mounted at the working head, in particular at the cutting head, is moved in the direction of the workpiece clamped in the workpiece mount of the machine table until the gear pair is in engagement and the corresponding working axial spacing is reached, the workpiece is driven via the drive movement of the mating test piece of the gear pair, the rotational position of the workpiece to be measured is recorded and the detected actual position is compared with a reference position and at least one value characterizing the rolling gear deviation of the workpiece is calculated while taking account of the comparison made.

Method of measuring and testing a workpiece and gear cutting machine

Tool arrangement for the production of helical teeth in gear wheels, wherein a roughing hob (), at least one deburring cutter () and a finishing hob () can be fastened on a common mandrel () in a predetermined rotational position relative to one another, and the teeth of the finishing hob, which are situated along a helical line, each have a different cross section such that the engagement angle of the right or left flanks decreases continuously starting from a maximum value of the first tooth up to the last tooth, and the maximum engagement angle of the right flanks of the first or last tooth coincides with the minimum engagement angle of the left flanks, and vice versa.

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Kempten, Germany

Oliver Winkel