WO1996035541A2 - Verfahren zum schleifen der verzahnung von bogenverzahnten kegelrädern - Google Patents
Verfahren zum schleifen der verzahnung von bogenverzahnten kegelrädern Download PDFInfo
- Publication number
- WO1996035541A2 WO1996035541A2 PCT/EP1996/002020 EP9602020W WO9635541A2 WO 1996035541 A2 WO1996035541 A2 WO 1996035541A2 EP 9602020 W EP9602020 W EP 9602020W WO 9635541 A2 WO9635541 A2 WO 9635541A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- grinding
- flank
- grinding wheel
- angle
- machine
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 64
- 238000012876 topography Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 20
- 238000012937 correction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000010924 continuous production Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 2
- 210000000332 tooth crown Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
- B23F21/02—Grinding discs; Grinding worms
- B23F21/023—Face-mill-type, i.e. cup-shaped, grinding wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
- B23F19/002—Modifying the theoretical tooth flank form, e.g. crowning
- B23F19/005—Modifying the theoretical tooth flank form, e.g. crowning using a face-mill-type tool, e.g. a milling or a grinding tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F9/00—Making gears having teeth curved in their longitudinal direction
- B23F9/02—Making gears having teeth curved in their longitudinal direction by grinding
- B23F9/025—Making gears having teeth curved in their longitudinal direction by grinding with a face-mill-type, i.e. cup-shaped, grinding wheel
Definitions
- the invention relates to a method specified in the preamble of claim 1.
- bevel gears with a circular tooth longitudinal line takes place in the single part process, whereas the production of those with involute or extended epicycloid as tooth longitudinal line takes place in a continuous process.
- grinding processes with a conical cup wheel have been created for the fine machining of bevel gears, including those with an epicycloid tooth longitudinal line. It is therefore possible to grind bevel gears, which are pre-toothed with epicycloidal tooth longitudinal line, with circular-arc-shaped tools.
- SPARE BLADE (RULE 26) It is known that in the longitudinal tooth forms for epicycloids and circular arcs formed during toothing, the differences between the two longitudinal tooth lines are small and, with suitable adaptation, are in the range of the allowance of the fine machining.
- both forms can be produced with the above-mentioned methods.
- the difference in production which essentially relates to the generation of the division, cannot be realized selectively in the individual processes.
- the continuous process for involute and cycloid toothing is preferred for economic reasons, the production of circular bevel gears is only possible in the partial process.
- the main application is in the manufacture of spiral toothed bevel gears which have a circular arc in the tooth longitudinal direction, a method from Gleason, Rochester, NY, USA.
- REPLACEMENT BLA ⁇ (RULE 26)
- the gear system used by O erlikon is based on the constant tooth height and the continuous process.
- Messerkopfschiefstel ⁇ lung (by the skilled person as a designated TILT) reaches the respective Shaped ⁇ -made lengthwise crowning.
- TILT time to which the ring gear is inserted, where ⁇ is prepared against the pinion teeth by rolling on the cone of the Tellerra ⁇ .
- the grinding wheels are cup-shaped (cup wheels) and are trimmed (profiled) in the work area.
- the inner cone for grinding the convex tooth flank and the outer cone for grinding the concave tooth flank in turn have the same radius in the center of the profile of the toothing - apart from the slight difference in radii to produce the desired longitudinal crowning.
- Bevel gear grinding machines with a double grinding head have been developed for grinding the hardened teeth of such bevel gears, e.g. the CNC-controlled spiral bevel gear generating machine WNC 80 from Klingeinberg (see the corresponding company brochure No. 1320).
- the double grinding head allows the convex and concave tooth flanks of a continuously pre-toothed bevel gear to be ground in the same clamping in a so-called 2-track method (the metric geometrical conditions in the face gear for the 2-track method result from the essay "Grinding curved-toothed bevel gears in small series production", D. Wiener, magazine “Werkstatt und strig 31, picture 6, 1985).
- Machine settings differ not only by the different grinding wheel diameters, but also at least by different distances from the center of the grinding spindle to the center of the machine (the so-called machine eccentricity S, which, as shown in FIG. 7, is the distance between the center of the roller cradle and the center of the grinding spindle ⁇ axis).
- machine eccentricity S which, as shown in FIG. 7, is the distance between the center of the roller cradle and the center of the grinding spindle ⁇ axis.
- the object of the invention is to improve a method of the type specified in the preamble of patent claim 1, which is a completing method, such that each flank of a bevel gear toothing can be optimized independently of the other and that all Allow pre-tooth types to be ground.
- the method according to the invention which can be referred to as a semi-completing method, combines the advantages of the completing method with the advantages of the gears produced in the continuous method.
- the grinding wheel is used for
- SPARE BLADE SPARE BLADE (RULE 26) generation of the desired resulting grinding wheel radii with different cone angles.
- one side is machined in downward rolling and the other in upward rolling.
- the machine setting is changed such that either by setting an inclination angle (TILT) of the grinding wheel by inclining the grinding wheel axis or by simulating such an inclination angle and / or by additional movement during the rolling process, the correct pressure angle and the correct flank topography arise.
- TILT inclination angle
- TILT inclination angle
- any type of pre-toothing can be ground without being as limited in the geometry design as in the completing method. It is particularly advantageous that each edge can be optimized independently of the other by the method according to the invention.
- the machine is set in the reversal points in such a way that the machine eccentricity and the basic machine angle (cf. FIG. 7) are not changed, but different eccentricity and pressure angles are compensated for by rolling.
- the basic machine angle r is the angle between the axis of the roller cradle movement Y and the workpiece axis minus 90 *.
- an advantageous embodiment of the invention forms the subject of the subclaim.
- the method is used in the machining of pinions with toothing in the form of a circular arc in the tooth longitudinal direction, which are produced in the so-called single-side method.
- the pinions are machined separately on the convex and concave flanks.
- Fig. 6 is a flow diagram illustrating the algorithm for
- Fig. 7 is an explanatory picture.
- FIG. 3 shows, as already mentioned above, a grinding wheel known from the so-called completing method, in which the angle of production of the grinding wheels has been changed by reducing the angle ⁇ cv of the outer cone (compared to the representation in FIG. 2) and the Angle __., Des Inner cone (again compared to the illustration in Fig. 2) has been enlarged so that applies
- the convex flank of the spiral toothing of a ring gear 14 is machined in one cycle during the upward rolling with the grinding wheel 13 (FIG. 4) and in another cycle during the downward rolling the concave flank ( Fig. 5).
- the machine setting is then changed such that the correct pressure angle and the correct pressure angle are changed either by adjusting an inclination angle (TILT) of the grinding wheel by inclining the grinding wheel axis or by simulating such an inclination angle and / or by additional movement during the rolling process Flank topography result.
- TILT inclination angle
- the machine eccentricity is also set so that the correct spiral angles are generated.
- a program is used for this which defines the corresponding machine settings in the reversal points so that the correct pressure angle is achieved by inclining the grinding wheel axis or by simulating an inclination angle or by additional movements during rolling or by a combination of these measures.
- the algorithm of such a program can be described as follows.
- the flowchart in Fig. 6 illustrates the algorithm for generating the machine setting for the novel Se i-Comple- ting process represents.
- the starting point is setting at 50 from the Maschinen ⁇ ME W. erkzeug stylist for two separate grinding wheels with the zuge ⁇ hearing This W the two-track method results in a flank shape F c ⁇ for the convex flank and a flank shape F for the concave flank (block 54).
- a tip radius R determines the tool, tool data W and the machine setting ME, which produce a physically displayable grinding wheel, separately for a tool side 1 convex (R] _ cx "w icx 'ME lcx' Bloc k 56) for" d a tool side 2 concave (R 2c v ' W 2 cv' ME 2 c V Bloc ⁇ 58) •
- This grinding wheel then has a larger tool angle - lcx on the convex flank and a smaller tool angle - * «2cv than on the concave flank the horrwin concerned ⁇ angle ⁇ -, v or v ⁇ _ the original grinding wheel (blocks 60 and 62, respectively).
- this grinding wheel has then to the convex flank a smaller tip radius R lcx than the corresponding radius R 2 cv and to the concave edge of a RESIZE ⁇ ßeren tip radius R 2CV than the corresponding radius R lcx -
- the resulting incorrect pressure angle on the workpiece is compensated for either by TILT setting, ie by tilting the grinding wheel axis, or by overlaying Modified Roll (MR) and Helical Motion (HM).
- Modified Roll is a change in the rolling ratio between the roller cradle (Y) and the workpiece axis.
- Helical motion is a continuous change in the depth infeed (X), cf. Fig. 7. This results in the setting for semi-plating for both flanks, with an associated flank shape F lc ⁇ for the convex flank and F 2cv for the concave flank.
- this edge shape is compared with the original edge shape F.,. ⁇ ,. or FC_V, compared (at 68, 70).
- the machine setting ME and tool data W are corrected (blocks 72 and 74, respectively) until the deviation lies within the desired tolerance. Then, if desired, each ease-off can be optimized separately with regard to noise behavior and load-bearing capacity (blocks 76 and 78). The result is the tool data W for a grinding wheel and the machine settings ME for the convex and the concave flank (block 80).
- a further variant for specifying the machine settings in the reversal points consists in adjusting the machine in the reversing points while maintaining the machine eccentricity and basic machine angle in order to achieve the correct pressure angle so that different eccentricity and different pressure angles are compensated by rolling during the rolling process become.
- the method according to the invention can also be used for machining circular-toothed pinions, which in .
- So-called single-side processes are produced, in which the pinions are machined separately on the convex and on the concave flank.
- the single-side process is known, for example, from the company publication "The Gleason gear system for spiral bevel gears", page 7, Alfred Wentzky & Co., Stuttgart, revised in 1942.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/945,716 US6050883A (en) | 1996-05-10 | 1997-05-10 | Method of grinding the teeth of spiral-toothed bevel gear wheels |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19517360.0 | 1995-05-11 | ||
DE19517360A DE19517360C1 (de) | 1995-05-11 | 1995-05-11 | Verfahren zum Schleifen der Verzahnung von bogenverzahnten Kegelrädern |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1996035541A2 true WO1996035541A2 (de) | 1996-11-14 |
WO1996035541A3 WO1996035541A3 (de) | 1997-01-09 |
Family
ID=7761697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1996/002020 WO1996035541A2 (de) | 1995-05-11 | 1996-05-10 | Verfahren zum schleifen der verzahnung von bogenverzahnten kegelrädern |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE19517360C1 (de) |
WO (1) | WO1996035541A2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10343854B4 (de) * | 2003-09-23 | 2005-12-29 | Klingelnberg Gmbh | Wälz-Verfahren für Spiralkegelräder |
DE102013107367A1 (de) | 2013-07-11 | 2015-01-15 | Klingelnberg Gmbh | Verfahren zur Bearbeitung der Zahnflanken von Kegelradwerkstücken im Semi-Completing Einzelteil-Verfahren mit einem standardisierten Verzahnwerkzeug |
EP2923790B1 (de) | 2014-03-27 | 2019-12-11 | Klingelnberg AG | Verfahren zum schleifenden Bearbeiten von Kegelrädern im Einzelteilverfahren |
EP3287221B1 (de) * | 2016-08-23 | 2019-04-24 | Klingelnberg AG | Verfahren zur bearbeitung der zahnflanken von plankupplungs-werkstücken im semi-completing einzelteilverfahren |
DE102022103513A1 (de) | 2022-02-15 | 2023-08-17 | Man Truck & Bus Se | Verfahren zum Verzahnen von verschieden großen Kegelrädern |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD257781A1 (de) * | 1987-02-26 | 1988-06-29 | Werkzeugmaschinenbau Fz | Verfahren zum fertigbearbeiten vorverzahnter kegelraeder |
DD257782A1 (de) * | 1987-02-26 | 1988-06-29 | Werkzeugmaschinenbau Fz | Kegelradverzahnmaschine zum bearbeiten von kegelraedern mit beliebig gekruemmten flankenlinien |
US5116173A (en) * | 1991-02-26 | 1992-05-26 | The Gleason Works | Method of generating bevel and hypoid gears |
-
1995
- 1995-05-11 DE DE19517360A patent/DE19517360C1/de not_active Expired - Fee Related
-
1996
- 1996-05-10 WO PCT/EP1996/002020 patent/WO1996035541A2/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1996035541A3 (de) | 1997-01-09 |
DE19517360C1 (de) | 1996-05-23 |
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