Process for producing gears on workpieces

Abstract

Process for producing gears on workpieces with the following steps: - Providing a workpiece (2) to be toothed, wherein the workpiece (2) -- a central longitudinal axis (50), -- a first end face (48) extending transversely to the central longitudinal axis (50), -- a second end face (49) extending transversely to the central longitudinal axis (50) and -- has a peripheral side (51) extending around the central longitudinal axis (50) and between the end faces (48, 49), - producing a toothing (52) on the peripheral side (51) in the region of the first end face (48) by means of a first tool (28), - reworking the toothing (52) produced in the region of the first end face (48) to remove burrs (55, 56) produced during the production of the toothing (52) by means of at least one second tool (43, 46), wherein -- the finishing is carried out at least on the peripheral side (51) of the toothing (52) produced and -- the finishing is carried out during the further production of the gearing (52), - producing the toothing (52) in the region of the second end face (49) by means of the first tool (28), and - reworking the toothing (52) produced in the region of the second end face (49) to remove burrs (55, 56) produced during the production of the toothing (52) by means of the at least one second tool (43, 46), wherein a finish machining of the produced toothing (52) takes place to remove burrs (64) still remaining after the reworking, wherein the finish machining takes place during the reworking of the toothing (52) produced in the region of the second end face (49), wherein during the reworking radial burrs (56) on the circumferential side (51) are removed and the removal of the radial burrs (56) in the region of the first end face (48) takes place independently of the removal of the radial burrs (56) in the region of the second end face (49).

Description

[0001] The invention relates to a method for producing gear teeth on workpieces.

[0002] DE 10 2006 044 738 B3 (equivalent to US 7,624,505 B2) discloses a method for machining gear teeth on workpieces. The method is carried out on a machine tool having a rotary holder pivotable about a main axis and having two workpiece spindles. The workpiece spindles can be pivoted into a machining position and a transfer position by rotating the rotary holder about the main axis. In the machining position, a semi-finished part is first produced from a blank by pre-milling. Deburring tools remove coarse axial burrs on both end faces created during pre-milling. The semi-finished part is then transferred to the transfer position, where chamfering tools are used to chamfer the semi-finished part on both end faces. Additional deburring tools remove fine axial burrs created during chamfering, producing an axially deburred and chamfered semi-finished part.The chamfered semi-finished part is then transferred back to the processing position, where fine radial burrs created by fine milling during chamfering are removed, thus producing the finished part, i.e. the toothed and fully deburred workpiece. The finished part is then transferred back to the transfer position and replaced with a new blank to be machined. Axial deburring and chamfering are each performed using two deburring tools or chamfering tools, which machine both end faces of the workpiece to be toothed simultaneously. Furthermore, the two workpiece spindles allow two workpieces to be machined in parallel, allowing toothed and fully deburred workpieces to be produced quickly and cost-effectively. A disadvantage is that the machining effort required to carry out this process is high.

[0003] DE 2 142 235 A describes a method for milling, bending and deburring gears with straight or helical teeth, using a nut milling cutter.

[0004] DE 297 15 092 U1 describes a device for chamfering and deburring the front tooth edges of gears.

[0005] DE 102 11 129 A1 describes a machine tool for producing gears.

[0006] CH 395 699 A discloses a deburring device for a gear cutting machine.

[0007] The invention is based on the object of creating a method that enables simple and rapid production of gears on workpieces with little mechanical effort.

[0008] This object is achieved by a method having the features of claim 1. According to the invention, it was recognized that the production of toothed workpieces is possible with high productivity and comparatively low mechanical outlay if the post-processing of the produced toothing begins immediately after the toothing has been produced in the region of the first end face, so that the post-processing of the produced toothing in the region of the first end face takes place parallel to or simultaneously with the further production of the toothing. For this purpose, it is necessary that the produced toothing in the region of the first end face and in the region of the second end face can be machined independently of one another, i.e., at different times, using the appropriate tools.After the gearing has been created in the area of ​​the first end face, any radial burrs that have arisen during the gearing process in the area of ​​the first end face or in the area of ​​the gearing already created, and any axial burrs on the first end face, are removed in parallel with the further creation of the gearing. The remachining of the gearing in the area of ​​the first end face is completed at least simultaneously with the creation of the gearing in the area of ​​the second end face, so that the at least one second tool can immediately continue with the remachining of the gearing in the area of ​​the second end face. When remachining the gearing on the circumferential side, radial burrs on the tooth tips and tooth flanks in particular are removed. The remachining can be carried out, for example, using a chamfering tool and / or a deburring tool, such as a brush, a grinding wheel or a milling cutter.If necessary, the toothing produced can be finished after remachining, in which axial and / or radial fine burrs or secondary burrs are removed.

[0009] The process enables the production of workpieces with high-quality gear teeth without any burrs. Finishing is particularly necessary if radial fine or secondary burrs have been created during chamfering. Finishing is preferably carried out using the first tool that was already used to create the gear teeth. Finishing is carried out, for example, in the same direction as the gear tooth production, i.e., starting from the first end face to the second end face. Alternatively, finish machining can be carried out in the opposite direction to the gear tooth production, i.e., starting from the second end face to the first end face.

[0010] The process enables simple and rapid finishing of the produced gearing. Because the finishing takes place at least partially in parallel or simultaneously with the reworking of the gearing produced in the area of ​​the second face, a short cycle time is achieved during gear production. Finishing preferably takes place using the first tool.

[0011] The method according to the invention ensures the removal of radial burrs in the area of ​​the first end face in parallel with the further production of the gear teeth. Because the radial burrs in the area of ​​the first end face can be removed independently of time, i.e., at a time interval from the radial burrs in the area of ​​the second end face, the radial burrs can be removed in parallel with the gear tooth production. This results in short cycle times for the gear tooth production. The removal of the radial burrs can be achieved, for example, by chamfering.

[0012] A method according to claim 2 ensures the removal of the axial burrs on the first end face in parallel with the further creation of the gear teeth. Because the axial burrs on the first end face can be removed independently of time, i.e., at a time interval from the axial burrs on the second end face, the axial burrs can be removed in parallel with the gear teeth creation. This results in short cycle times when machining workpieces with gear teeth.

[0013] A method according to claim 3 enables the simple and rapid creation of a chamfered and axially deburred gear in the region of the first face. The axial burrs created during gear creation and chamfering are preferably removed simultaneously with the chamfering using the deburring tool. Radial fine or secondary burrs created during chamfering can be removed during subsequent finishing.

[0014] A method according to claim 4 enables a short cycle time in the production of workpieces with chamfered teeth.

[0015] A method according to claim 5 enables the simple and rapid creation of a chamfered and axially deburred gear in the area of ​​the second face without axial burrs. The axial burrs created during gear creation and chamfering are preferably removed simultaneously with the chamfering using the deburring tool. Radial fine or secondary burrs created during chamfering can be removed during subsequent finishing.

[0016] A method according to claim 6 enables a short cycle time in the production of workpieces with chamfered teeth.

[0017] A method according to claim 7 enables the removal of radial fine burrs caused by chamfering in a simple and rapid manner.

[0018] A method according to claim 8 enables the toothing to be produced and finished in a simple manner.

[0019] A method according to claim 9 enables the independent removal of axial burrs on both end faces in a simple manner. By providing exactly one deburring tool, which can be pivoted 180° around a corresponding pivot axis, one end face can be deburred first, and after pivoting the deburring tool 180°, the other end face can be deburred.

[0020] A method according to claim 10 enables simple, independent chamfering of the produced gear teeth in the area of ​​both end faces. By providing exactly one chamfering tool, which can be pivoted 180° around an associated pivot axis, the gear teeth can first be chamfered in the area of ​​one end face and, after pivoting the chamfering tool 180°, in the area of ​​the other end face.

[0021] A method according to claim 11 enables the independent removal of axial burrs on both end faces in a simple manner. Because two deburring tools are arranged on a common tool carrier and their axial distance is greater than the axial distance between the end faces, only one end face is deburred at a time. To deburr the other end face, the tool carrier must be moved axially together with the deburring tools.

[0022] A method according to claim 12 enables the independent chamfering of the produced gear teeth in the area of ​​both end faces. Because two chamfering tools are arranged on a common tool carrier and their axial distance is greater than the axial distance between the end faces, the gear teeth are always chamfered only in the area of ​​one of the end faces. To chamfer the gear teeth in the area of ​​the other end face, the tool carrier must be moved axially together with the chamfering tools.

[0023] Further features, advantages, and details of the invention will become apparent from the following description of several exemplary embodiments. They show: Fig. 1 a perspective view of a machine tool for producing gear teeth on workpieces according to a first embodiment, Fig. 2 a plan view of a workpiece produced by the machine tool in Fig. 1 workpiece to be geared at the beginning of the production of a gear, Fig. 3 a sectional view along the section line III-III in Fig. 2, Fig. 4 a plan view of the workpiece at the beginning of the chamfering of the gear teeth in the area of ​​a first end face of the workpiece, Fig. 5 a sectional view along the section line VV in Fig. 4, Fig. 6 a sectional view along the section line VI-VI in Fig. 4, Fig. 7 a plan view of the workpiece at the beginning of the chamfering of the gear teeth in the area of ​​a second end face of the workpiece, Fig. 8 a sectional view along the section line VIII-VIII in Fig. 7, Fig. 9 a sectional view along the section line IX-IX in Fig. 7, Fig. 10 a top view of the workpiece during finishing, Fig. 11 a sectional view along the section line XI-XI in Fig. 10, Fig. 12 a sectional view along the section line XII-XII in Fig. 10, Fig. 13 a sectional view corresponding Fig. 5 according to a second embodiment, Fig. 14 a sectional view corresponding Fig. 6 according to a second embodiment, Fig. 15 a sectional view corresponding Fig. 11 according to a second embodiment, Fig. 16 a sectional view corresponding Fig. 12 according to a second embodiment, Fig. 17 is a plan view of a workpiece to be toothed by means of a machine tool according to a third embodiment during the production of the toothing in the region of the first end face of the workpiece, Fig. 18 a sectional view along the section line XVIII-XVIII in Fig. 17, Fig. 19 a plan view of the workpiece during finishing, and Fig. 20 a sectional view along the section line XX-XX in Fig. 19.

[0024] The following is based on the Fig. 1 to 12, a first embodiment of the invention is described. A machine tool 1 for producing gears on workpieces 2 has a machine bed 3 on which a workpiece spindle 4 is arranged vertically. The workpiece spindle 4 has a workpiece holder 5, which can be driven in rotation about a vertical axis of rotation 7 by means of a drive motor 6. The axis of rotation 7 runs parallel to a vertical z-direction and is also referred to as the C-axis.

[0025] A first column 8 is fixedly mounted on the machine bed 3 in a horizontal x-direction, laterally adjacent to the workpiece spindle 4. A first z-slide 9 is arranged on a front side of the column 8 facing the workpiece spindle 4. This first z-slide 9 can be moved linearly parallel to the z-direction by means of a first z-drive motor 10 on first z-guide rails 11. A counter-workpiece holder 12 is arranged on the z-slide 9 concentrically to the rotational axis 7. The counter-workpiece holder 12 is mounted for rotation about the rotational axis 7 and serves to accommodate shaft-shaped workpieces 2.

[0026] Opposite the column 8, a second column 13 is arranged on the machine bed 3 for linear movement. For this purpose, x-guide rails 14 are mounted on the machine bed 3, along which the column 13 can be moved linearly in the x-direction by means of an x-drive motor 15. On a front side of the column 13 facing the workpiece spindle 4, second z-guide rails 16 are arranged, on which a second z-slide 17 can be moved linearly parallel to the z-direction by means of a second z-drive motor 18.

[0027] A rotating part 19 is arranged on the Z-carriage 17 and can be pivoted about a rotational axis 21 running parallel to the X-direction by means of a drive motor 20. The rotational axis 21 is also referred to as the A-axis. Y-guide rails 22 are arranged on the rotating part 19, on which a Y-carriage 23 can be moved linearly by means of a Y-drive motor 24. When the rotating part 19 is aligned horizontally, the Y-guide rails 22 run parallel to a horizontal Y-direction, so that the Y-carriage 23 can be moved linearly parallel to this Y-direction. The X-, Y-, and Z-directions are each perpendicular to one another and form a Cartesian coordinate system.

[0028] A first machining unit 25 for machining a workpiece 2, which is designed as a milling unit, is arranged on the Y-carriage 23. The machining unit 25 has a tool holder 26 and an oppositely arranged counter-tool holder 27 for receiving a first tool 28 designed as a milling tool or hob. The tool holder 26 can be driven in rotation by means of a drive motor 29 about a rotational axis 30 running parallel to the Y-guide rails 22. The rotational axis 30 is also referred to as the B-axis. The hob 28 can thus be driven in rotation about the B-axis.

[0029] A second machining unit 31 and a third machining unit 32 are arranged laterally on the column 8. The machining units 31, 32 are identically constructed, so that only the machining unit 31 is described in detail below. The machining unit 31 has a third z-slide 33, which can be moved linearly along third z-guide rails 35 parallel to the z-direction by means of a third z-drive motor 34. The z-guide rails 35 are attached laterally to the column 8. An infeed carriage 36 is arranged on the z-slide 33, which can be moved linearly along guide rails 37 in an infeed direction by means of a drive motor 38. The infeed direction runs in the xy plane at an angle of approximately 30° to 50° to the y-direction and defines a linear infeed axis 39.

[0030] A tool holder 40 is arranged on the feed carriage 36 and can be pivoted by at least 180° by means of a drive motor 41 about a pivot axis 39 that coincides with the feed axis. The pivot axis 39 is thus identical to the feed axis 39. The pivot axis 39 intersects the rotation axis 7.

[0031] At the free end of the tool holder 40, a second tool 43 is arranged, which can be driven in rotation about a rotation axis 45 running parallel to the z-direction by means of a drive motor 44 integrated in the tool holder 40. Accordingly, the third machining unit 32 has a third tool 46 that can be pivoted about a pivot axis 42 and is rotatably driven about an associated rotation axis 47.

[0032] The following is based on the Fig. 2 to 12, the method for producing a toothing on the workpiece 2 is described. For reasons of clarity, only the workpiece 2 and the tools 28, 43 and / or 46 engaging with the workpiece 2 are shown in the figures.

[0033] The workpiece 2 has a first end face 48 and an opposite second end face 49, which extend transversely and perpendicularly to a central longitudinal axis 50 of the workpiece 2. Between the end faces 48, 49, the workpiece 2 has a circumferential side 51 extending annularly around the central longitudinal axis 50 and parallel to the central longitudinal axis 50. A toothing 52 with teeth 53 and tooth gaps 54 is to be produced on the circumferential side 51.

[0034] The still unmachined workpiece 2 is first clamped in the workpiece holder 5 and rotated about the rotational axis 7. When the workpiece 2 is clamped, the rotational axis 7 coincides with the central longitudinal axis 50. The hob 28 is then rotated about the rotational axis 30 and advanced toward the workpiece 2 in such a way that, starting from the first end face 48, the toothing 52 is created on the peripheral side 51. The hob 28 is moved in the z-direction to create the toothing 52.

[0035] After the initial cut of the hob 28, axial coarse or primary burrs 55 and radial coarse or primary burrs 56 are generated during the generation of the toothing 52. The axial coarse burrs 55 occur on the first end face 48, whereas the radial coarse burrs 56 occur on the circumferential side 51, in particular on the tooth tips 57 and partly also on the tooth flanks 58 of the teeth 53. The coarse burrs 55, 56 are in Fig. 3 indicated.

[0036] After the toothing 52 has been formed in the area of ​​the first end face 48, the second tool 43 is advanced to the workpiece 2 and is driven to rotate about the rotational axis 45 in order to remove the axial coarse burrs 55. This machining state is shown in the Fig. 2 and Fig. 3. The tool 43 is designed as a deburring tool and has a plurality of cutting edges 59, which are arranged in the usual manner on a disk-shaped base body 60. The deburring tool 43 is rotationally driven about the rotational axis 45 and thus removes the axial coarse burrs 55 from the first end face 48 by means of the cutting edges 59. Alternatively, the deburring tool 43 can have only one cutting edge 59. This deburring tool 43 does not have to be rotationally driven during deburring, but can simply be dragged along by the rotationally driven workpiece 2 for deburring. The removal of the axial coarse burrs 55 takes place in parallel with the further creation of the gearing 52 by means of the hob 28.

[0037] Once the toothing 52 in the region of the first end face 48 is sufficiently developed, the third tool 46, designed as a chamfering tool, is advanced toward the workpiece 2 to chamfer the toothing 52. The chamfering tool 46 has a plurality of chamfering elements 61 arranged on a disk-shaped base body 62. To chamfer the teeth 53 in the region of the first end face 48, the chamfering tool 46 is driven in rotation about the associated rotation axis 47. During chamfering, the radial coarse burrs 56 are removed and axial fine or secondary burrs 63 as well as radial fine or secondary burrs 64 are created. The axial fine burrs 63 occur on the first end face 48, whereas the radial fine burrs 64 occur on the circumferential side 51, in particular on the tooth tips 57 and partly also on the tooth flanks 58 of the teeth 53. The chamfering in the area of ​​the first end face 48 is in the Fig. 4 to 6. Because the deburring tool 43 is still in engagement with the workpiece 2 on the first end face 48, the axial fine burrs 63 created during chamfering are removed during the chamfering process.

[0038] The reworking of the produced gearing 52 in the region of the first end face 48 accordingly includes the removal of axial coarse and fine burrs 55, 63 as well as the removal of radial coarse burrs 56 that arose during the production of the gearing 52 and during the chamfering of the gearing 52. The reworking takes place in parallel or simultaneously with the further production of the gearing 52 by means of the hob 28.

[0039] To produce the toothing 52 on the entire circumferential side 51, the hob cutter 28 is continuously moved in the z-direction until the toothing 52 is also produced in the area of ​​the second end face 49. This again creates axial coarse burrs 55 on the second end face 49 and radial coarse burrs 56 on the circumferential side 51. This is shown in Fig. 8 illustrates.

[0040] After the gearing 52 has been chamfered and deburred on the first end face 48, the deburring tool 43 and the chamfering tool 46 are removed from the workpiece 2, pivoted by 180° about their respective pivot axes 39, 42, and moved linearly in the z-direction to the second end face 49. In the meantime, the gearing 52 has also been completely created in the area of ​​the second end face 49 by means of the hob 28. The deburring tool 43 and the chamfering tool 46 are now advanced toward the workpiece 2 again, so that axial coarse and fine burrs 55, 63 are removed by the deburring tool 43, and radial coarse burrs 56 are removed by the chamfering tool 46 during chamfering, in the manner already described. The chamfering and deburring again take place in parallel, i.e., at least partially simultaneously.The deburring on the second end face 49 and the chamfering of the teeth 52 as well as the removal of radial coarse burrs 56 in the area of ​​the second end face 49 is described in the . Fig. 7 to 9 illustrates.

[0041] The radial fine burrs 64 still remaining after chamfering and removing the axial burrs 55, 63 are removed by finish machining the produced gearing 52. Finish machining is carried out by means of the hob 28 and is referred to as finishing cut. After the gearing 52 has been completely produced in the area of ​​the second end face 49, the linear travel direction of the hob 28 is changed. The hob 28 is now moved linearly parallel to the z-direction, starting from the second end face 49, back towards the first end face 48. In the process, the radial fine burrs 64 in the area of ​​the second end face 49 and the first end face 48 are removed. Alternatively, finish machining can be carried out in such a way that the hob 28 is moved linearly, starting from the first end face 48, in the direction of the second end face 49.The finishing process takes place at the same time as the reworking of the toothing 52 in the area of ​​the second end face 49 by means of the deburring tool 43 and the chamfering tool 46. The finishing process is described in the . Fig. 10 to 12. The Fig. 11 and Fig. 12 shows the finished toothed, chamfered and deburred workpiece 2.

[0042] The design of the deburring tool 43 and its ability to pivot about the associated pivot axis 39 make it possible to remove axial burrs 55, 63 on the first end face 48 independently of the axial burrs 55, 63 on the second end face 49. Accordingly, the design of the chamfering tool 46 and its ability to pivot about the associated pivot axis 42 make it possible to chamfer the gearing 52 in the area of ​​the first end face 48 and in the area of ​​the second end face 49 independently of the time and to remove radial coarse burrs 56. This independent remachining of the gearing 52 makes it possible to produce, remachining, and, if necessary, finish the gearing 52 largely in parallel. This results in short cycle times for the gear cutting of workpieces 2, even though the machine tool 1 has only one workpiece spindle 4 and thus only one workpiece 2 can be machined at a time.By means of the method according to the invention, high productivity in the gear cutting of workpieces 2 can be achieved with little mechanical effort.

[0043] The following is based on the Fig. 13 to 16, a second embodiment of the invention is described. The machine tool 1 corresponds to the machine tool described in the first embodiment, except that the tools 43, 46 are not pivotable and only linear feed axes 39, 42 are provided, and no pivot axes are provided. The machine tool 1 thus has a simplified structure.

[0044] For post-processing of the workpiece 2 on both sides, the processing unit 31 has two deburring tools 43, which are arranged opposite one another on a common tool carrier 65. So that the first end face 48 can be deburred independently of the second end face 49, the deburring tools 43 have a distance A in the z-direction. E from each other, which is greater than the distance A W of the end faces 48, 49 of the workpiece 2. Accordingly, the machining unit 32 has two chamfering tools 46, which are mounted opposite one another on a common tool carrier 66. For independent chamfering of the gearing 52 in the region of the first end face 48 and in the region of the second end face 49, the chamfering tools 46 have a distance A in the z-direction A from each other, which is greater than the distance A W is.

[0045] The production and finishing of the toothing 52 in the area of ​​the first end face 48 is carried out in the manner already described and is shown in the Fig. 13 and Fig. 14. For reworking the toothing 52 in the area of ​​the second end face 49, the tool carriers 65, 66 are moved linearly together with the tools 43, 46 arranged thereon, so that the tools 43, 46 associated with the second end face 49 come into engagement with the workpiece 2. This is shown in the Fig. 15 and Fig. 16. Regarding the further functioning of the machine tool 1 and the further method sequence, reference is made to the first embodiment.

[0046] The following is based on the Fig. 17 to 20, a third embodiment of the invention is described. The machine tool 1, in contrast to the first embodiment, only has the machining units 25 and 31. Due to the omission of the machining unit 32, the machine tool 1 has a simpler structure. The deburring tool 43 and the chamfering tool 46 are combined to form a combination tool and arranged on a common base body 60. The remachining of the toothing 52 produced in the region of the first end face 48 takes place in parallel with the further production of the toothing 52 by means of the hob 28. This is shown in the Fig. 17 and Fig. 18. For reworking the toothing 52 in the area of ​​the second end face 49, the combination tool is pivoted by 180° about the pivot axis 39 in accordance with the first embodiment. This is shown in the Fig. 19 and Fig.20. Regarding the further functioning of the machine tool 1 and the further method sequence, reference is made to the first embodiment.

[0047] According to a fourth exemplary embodiment of the invention, the machine tool 1 is designed according to the third exemplary embodiment, but the machining unit 31 does not have a pivot axis, so that only the feed axis 39 is formed. The machining unit 31 has two combination tools according to the third exemplary embodiment, which are arranged on a common tool carrier, as was already illustrated in principle for the second exemplary embodiment. After the produced toothing 52 has been reworked in the region of the first end face 48 with the associated first combination tool, the tool carrier is moved linearly in the z-direction together with the combination tools until the combination tool associated with the second end face 49 engages the workpiece 2. With regard to the further functioning of the machine tool 1 and the further method sequence, reference is made to the second and third exemplary embodiments.

[0048] The machining units 31, 32, including the tools 43, 46, can in principle be designed as desired, as long as the workpiece 2 can be reworked independently of one another in the area of ​​both end faces 48, 49. This makes it possible to carry out the production, rework, and, if necessary, finish machining largely in parallel, so that high productivity in the gear cutting of workpieces 2 is achieved with minimal mechanical outlay. In particular, it is also possible to use the method according to the invention to produce multiple gears 52 on one workpiece 2. Shaft-shaped workpieces 2 can, if necessary, additionally be mounted in the counter-workpiece holder 12.

Claims

[1] Process for producing gear teeth on workpieces with the following steps: - Providing a workpiece (2) to be toothed, wherein the workpiece (2) -- a central longitudinal axis (50), -- a first end face (48) extending transversely to the central longitudinal axis (50), -- a second end face (49) extending transversely to the central longitudinal axis (50) and -- has a peripheral side (51) extending around the central longitudinal axis (50) and between the end faces (48, 49), - producing a toothing (52) on the peripheral side (51) in the region of the first end face (48) by means of a first tool (28), - reworking the toothing (52) produced in the region of the first end face (48) to remove burrs (55, 56) produced during the production of the toothing (52) by means of at least one second tool (43, 46), wherein -- the finishing is carried out at least on the peripheral side (51) of the toothing (52) produced and -- the finishing is carried out during the further production of the gearing (52), - producing the toothing (52) in the region of the second end face (49) by means of the first tool (28), and - reworking the toothing (52) produced in the region of the second end face (49) to remove burrs (55, 56) produced during the production of the toothing (52) by means of the at least one second tool (43, 46), wherein a finish machining of the produced toothing (52) takes place to remove burrs (64) still remaining after the reworking, wherein the finish machining takes place during the reworking of the toothing (52) produced in the region of the second end face (49), wherein during the reworking radial burrs (56) on the circumferential side (51) are removed and the removal of the radial burrs (56) in the region of the first end face (48) takes place independently of the removal of the radial burrs (56) in the region of the second end face (49). [2] Method according to claim 1, characterized bythat during reworking, axial burrs (55) on the end faces (48, 49) are removed and the removal of the axial burrs (55) on the first end face (48) is carried out independently of the removal of the axial burrs (55) on the second end face (49). [3] Method according to one of claims 1 to 2, characterized by that the post-processing of the toothing (52) produced in the region of the first end face (48) comprises the following steps: - chamfering the produced toothing (52) by means of a chamfering tool (46) and removing radial coarse burrs (56) during chamfering, and - Removing axial burrs (55, 63) on the first end face (48) by means of a deburring tool (43). [4] Method according to claim 3, characterized by that the chamfering of the toothing (52) produced and the removal of the axial burrs (55, 63) take place at least partially simultaneously. [5] Method according to one of claims 1 to 4, characterized bythat the post-processing of the toothing (52) produced in the region of the second end face (49) comprises the following steps: - chamfering the produced toothing (52) by means of a chamfering tool (46) and removing radial coarse burrs (56) during chamfering, and - Removing axial burrs (55, 63) on the second end face (49) by means of a deburring tool (43). [6] Method according to claim 5, characterized by that the chamfering of the toothing (52) produced and the removal of the axial burrs (55, 63) take place at least partially simultaneously. [7] Method according to one of claims 1 to 6, characterized by that radial fine burrs (64) created by chamfering during finishing are removed by means of the first tool (28). [8] Method according to one of claims 1 to 7, characterized by that the first tool (28) is designed as a milling tool. [9] Method according to one of claims 1 to 8, characterized by that a deburring tool (43) is provided which can be pivoted by at least 180° about an associated pivot axis (39) for removing axial burrs (55, 63) on both end faces (48, 49). [10] Method according to one of claims 1 to 9, characterized by that a chamfering tool (46) is provided which can be pivoted by at least 180° about an associated pivot axis (42) in order to chamfer the toothing (52) produced in the region of both end faces (48, 49). [11] Method according to one of claims 1 to 10, characterized by that for removing axial burrs (55, 63) on the end faces (48, 49) two deburring tools (43) are arranged on a common tool carrier (65) and an axial distance (A E ) of the deburring tools (43) is greater than an axial distance (A W ) of the end faces (48, 49). [12] Method according to one of claims 1 to 11, characterized bythat for chamfering the toothing (52) produced, two chamfering tools (46) are arranged on a common tool carrier (66) and an axial distance (A A ) of the chamfering tools (46) is greater than an axial distance (A w ) of the end faces (48, 49).

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