EP3393694A1 - Verfahren zur umformenden herstellung einer verzahnung und werkzeugvorrichtung zur kalibrierung des verzahnungseinlaufs und/oder verzahnungsauslaufs - Google Patents
Verfahren zur umformenden herstellung einer verzahnung und werkzeugvorrichtung zur kalibrierung des verzahnungseinlaufs und/oder verzahnungsauslaufsInfo
- Publication number
- EP3393694A1 EP3393694A1 EP16801204.5A EP16801204A EP3393694A1 EP 3393694 A1 EP3393694 A1 EP 3393694A1 EP 16801204 A EP16801204 A EP 16801204A EP 3393694 A1 EP3393694 A1 EP 3393694A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- toothing
- workpiece
- gear
- inlet
- tool device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000007769 metal material Substances 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/30—Making machine elements wheels; discs with gear-teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
- B21D53/28—Making other particular articles wheels or the like gear wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/12—Forming profiles on internal or external surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/066—Making machine elements axles or shafts splined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/30—Making machine elements wheels; discs with gear-teeth
- B21K1/305—Making machine elements wheels; discs with gear-teeth helical
Definitions
- the invention relates to a method for forming a toothing on a metallic workpiece.
- the invention further relates to a tool or a tool device for the reshaping calibration of the gear inlet and / or the tooth outlet of a toothing on a metallic workpiece.
- teeth eg. By
- Veriereungsfräsen or forming (for example. By axial forming or toothing rollers) are generated.
- the reshaping generating a toothing often has the disadvantage that it comes at the tooth inlet, but especially at the tooth outlet to an undefined deformation, which form so-called tooth protrusions in particular at the tooth outlet, which then, for example, must be removed by an elaborate machining rework.
- the object of the invention is to provide a method of the aforementioned type, which does not have at least one associated with the prior art disadvantage or at least only to a reduced extent.
- the inventive method for producing a toothing on a metallic workpiece provides that the toothing is first produced by forming and that then the reshaping toothing generated at their teeth Infeed and / or toothed outlet by an upsetting process, in which (at the toothing inlet or outlet) both the tooth form and the
- Gear length can be adjusted, calibrated.
- the toothing is produced, for example, by axial forming, the workpiece and a shaping die or the like being moved in the axial direction relative to one another. As described above, this can occur at the toothing inlet (first contact point between the workpiece and die, which forms the toothing start) and / or the toothed outlet (the toothing inlet opposite end of toothing) to undefined Umformept, which is unfavorable in several respects.
- the toothing is calibrated (only) on the toothing inlet and / or on the toothed outlet, wherein both the toothed form (tooth and gap shape) and the tooth length are adjusted in the relevant area. Any tooth overhangs are compressed to a defined extent, wherein the material flows not only in the axial direction but also in the radial direction. This also has the advantage that the supporting section or the length of the toothing is increased, so that optionally the constructional tooth length can be reduced. After the compression process is the
- Toothing ready for use d. H. Further processing steps are not planned (ie no further processing costs).
- the toothing may be a running toothing, in particular it is a spline.
- the compression is not free, but guided.
- the toothing during upsetting by a die which is formed with a corresponding tooth contour, is supported, the die at the same time also sets the toothed entry and / or the toothed outlet to be set tooth shape, ie the upsetting in the radial direction flowing Material is brought into the desired shape within the matrix.
- the die has a corresponding inner contour or outer contour.
- the calibration of the toothing inlet and / or tooth outlet may be carried out after the forming of the toothing in a separate tooling device.
- This is preferably a tool device according to the invention, as explained in more detail below, in which the workpiece to be machined or calibrated is inserted.
- the calibration of the toothing inlet and / or toothed outlet can also be carried out during the forming of the toothing in the tooth-forming tool device.
- the workpiece may consist of a solid material, for example. A steel material, and be processed by massive forming.
- the workpiece consists of a sheet material, for example. A steel sheet, and is processed by sheet metal forming.
- the tool device according to the invention for reshaping calibration of the gear inlet and / or tooth outlet of a toothing on a metallic workpiece comprises:
- a workpiece holder for receiving the workpiece to be machined
- An axially movable die which can be brought into engagement with the teeth on the workpiece to be machined and then on the one hand supports the toothing on the workpiece and on the other hand dictates the set on the tooth inlet and / or the tooth outlet during calibration tooth shape;
- At least one axially movable compression ring with which the toothing inlet and / or tooth outlet on the workpiece to be machined by a
- Upset in which both the gearing and the gearing length are set
- a preferred embodiment provides that the die and the compression ring are fastened together to an axially movable punch and execution a calibration process are moved together or driven.
- Another preferred embodiment provides that the die and the compression ring are attached to different punches and are moved or driven separately. This embodiment allows a very good adjustability of the calibration process.
- the die has a conically shaped toothing contour. Due to the conical design, the engagement with the inlet and / or outlet of the toothing to be calibrated on the workpiece (workpiece toothing) is simplified. Furthermore, a defined deformation at the toothing inlet and / or tooth outlet can take place already when engaging.
- the die has a rotational degree of freedom, so that they can align themselves when engaging with the workpiece teeth of itself.
- a workpiece or a component, for example a toothed wheel or the like, which has a toothing produced by the method according to the invention and / or with the aid of the tool device according to the invention, is characterized in that this toothing produced by deformation has a toothed entry and / or length calibrated tooth inlet Gear tooth outlet has.
- the teeth Preferably, the teeth have a straight, d. H. non-pointed toothing inlet and / or outlet.
- Fig. 1 shows a sectional view of a detail of a tool device according to the invention for calibrating a toothed outlet.
- FIG. 2 shows in a sectional view a detail from FIG. 1, corresponding to the marked area A.
- the section of a tool device 100 according to the invention shown in FIG. 1 has a holder 110 and a punch 120 guided longitudinally movably therein.
- punch 120 On punch 120, a mandrel-like die 130 and a compression ring 140 are attached.
- the punch 120 can be moved together with the die 130 and the swaging ring 140 in the axial direction L, as illustrated by the double arrow D. With 125 a punch guide and -Verfeldsch is called.
- the tool 100 is installed in a forming machine (for example an axial forming machine), by means of which also the punch movement D is accomplished.
- a forming machine for example an axial forming machine
- FIG. 1 further shows a sheet metal workpiece 200 with a collar-like passage 210, on the inner peripheral surface of which a toothing (internal spline toothing) previously formed is formed.
- the workpiece toothing 220 has been produced from bottom to top and has a lower tooth inlet 221, an upper tooth outlet 222 (see FIG. 2) and a bearing section therebetween. Due to the forming process, an undefined deformation has occurred at the toothed outlet 222, which is now calibrated by means of the matrix 130 and the compression ring 140.
- the workpiece 200 is fixed in a workpiece holder 150 belonging to the tool device 100 and not shown in the following. The calibration process will be explained in more detail with reference to FIG. 2.
- the punch 120 is moved together with the die 130 and the swaging ring 140 in the axial direction L down, first the die 130 in the Passage 210 passes.
- the die 130 is conical and has on its conical outer peripheral surface to the workpiece toothing 220th
- the movement axis L of the punch 120 or of the die 130 fastened thereto corresponds to the center axis of the workpiece toothing 220.
- the die 130 has a slight rotational play (rotational degree of freedom) within the tool device 100.
- the toothed outlet 222 is reshaped in the radial transverse direction R due to its conical or widening configuration.
- the compression ring 140 presses in the axial direction L against the
- both the toothing form and the toothing length are set to a defined extent (at least in the tenth range) at the toothed outlet 222.
- each show the end of the axial feed movement D of the punch 120.
- the die 130 and the upset ring 140 can also be moved individually with a corresponding configuration of the tool device 100, as explained above.
- the workpiece toothing 220 is not to be calibrated as a whole, but only in regions, ie at the toothed outlet 222 (as explained above) and / or at the toothing inlet 221.
- the serration 220 may be supported in the sections that are not to be calibrated to prevent unwanted deformation.
- the tool-making and procedural implementation is for the calibration of a toothed entry or for a toothed entry
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Punching Or Piercing (AREA)
- Gears, Cams (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015226364.9A DE102015226364A1 (de) | 2015-12-21 | 2015-12-21 | Verfahren zur umformenden Herstellung einer Verzahnung und Werkzeugvorrichtung zur Kalibrierung des Verzahnungseinlaufs und/oder Verzahnungsauslaufs |
PCT/EP2016/078641 WO2017108319A1 (de) | 2015-12-21 | 2016-11-24 | Verfahren zur umformenden herstellung einer verzahnung und werkzeugvorrichtung zur kalibrierung des verzahnungseinlaufs und/oder verzahnungsauslaufs |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3393694A1 true EP3393694A1 (de) | 2018-10-31 |
EP3393694B1 EP3393694B1 (de) | 2022-01-05 |
Family
ID=57394567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16801204.5A Active EP3393694B1 (de) | 2015-12-21 | 2016-11-24 | Verfahren zur umformenden herstellung einer verzahnung und werkzeugvorrichtung zur kalibrierung des verzahnungseinlaufs und/oder verzahnungsauslaufs |
Country Status (6)
Country | Link |
---|---|
US (1) | US11426785B2 (de) |
EP (1) | EP3393694B1 (de) |
JP (1) | JP6797917B2 (de) |
CN (1) | CN108367335B (de) |
DE (1) | DE102015226364A1 (de) |
WO (1) | WO2017108319A1 (de) |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3796106A (en) * | 1971-06-29 | 1974-03-12 | Borg Warner | Method and apparatus for making sprockets and/or gears |
JPS6142440A (ja) * | 1984-08-06 | 1986-02-28 | Mitsubishi Heavy Ind Ltd | 歯車の鍛造用金型 |
JPH0749132B2 (ja) * | 1985-09-04 | 1995-05-31 | アイシン精機株式会社 | 歯車転造装置 |
US6007762A (en) * | 1995-09-18 | 1999-12-28 | The Penn State Research Foundation | Apparatus and method for precision gear finishing by controlled deformation |
US5551270A (en) * | 1994-07-18 | 1996-09-03 | Ford Motor Company | Extrusion forming of internal helical splines |
US5732586A (en) * | 1996-09-19 | 1998-03-31 | Ford Global Technologies, Inc. | Cold extrusion for helical gear teeth |
JP3341981B2 (ja) * | 1997-08-27 | 2002-11-05 | 本田技研工業株式会社 | はすば歯車のサイジング装置及びサイジング方法 |
AT9818U1 (de) * | 2007-04-04 | 2008-04-15 | Miba Sinter Austria Gmbh | Vorrichtung und verfahren zum kalibrieren eines sinterformteils |
JP4862794B2 (ja) * | 2007-09-26 | 2012-01-25 | アイシン・エィ・ダブリュ株式会社 | スプライン部材の製造方法 |
CN101428326B (zh) * | 2008-12-08 | 2010-11-24 | 江苏太平洋精锻科技股份有限公司 | 汽车倒挡中间齿轮齿形精整及倒锥成形模具 |
DE102009019249B4 (de) * | 2009-04-30 | 2011-03-31 | Felss Gmbh | Verfahren zur Herstellung eines Profils in einer Wand eines Werkstücks |
DE102010017592B8 (de) | 2010-06-25 | 2013-04-11 | Heinrich Müller Maschinenfabrik GmbH | Verfahren und Vorrichtung zur spanlosen axial umformenden Ausbildung einer Verzahnung mit angeformten Spitzen an einem Werkstück |
DE102010053547A1 (de) * | 2010-12-04 | 2012-06-06 | Form Technology Gmbh | Verfahren und Vorrichtung zur Herstellung eines innen- und außenverzahnten topfförmigen Blechteils |
DE102011111216A1 (de) * | 2011-08-20 | 2013-02-21 | Sona Blw Präzisionsschmiede Gmbh | Synchronring |
WO2013149271A1 (de) * | 2012-04-03 | 2013-10-10 | Thyssenkrupp Presta Aktiengesellschaft | Verfahren zur bearbeitung eines funktionsteils |
CN103111483A (zh) * | 2013-02-01 | 2013-05-22 | 太仓久信精密模具有限公司 | 大模数直齿圆柱齿轮冷挤压工艺及其专用模具 |
CN203253780U (zh) * | 2013-05-28 | 2013-10-30 | 宁波市镇海金雳机械制造有限公司 | 内齿齿轮圈整形工具 |
CN204449012U (zh) * | 2014-12-19 | 2015-07-08 | 重庆海通机械制造有限公司 | 齿圈一体式整形模 |
-
2015
- 2015-12-21 DE DE102015226364.9A patent/DE102015226364A1/de active Pending
-
2016
- 2016-11-24 CN CN201680075022.1A patent/CN108367335B/zh active Active
- 2016-11-24 US US16/061,405 patent/US11426785B2/en active Active
- 2016-11-24 WO PCT/EP2016/078641 patent/WO2017108319A1/de active Application Filing
- 2016-11-24 EP EP16801204.5A patent/EP3393694B1/de active Active
- 2016-11-24 JP JP2018526560A patent/JP6797917B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
DE102015226364A1 (de) | 2017-06-22 |
US11426785B2 (en) | 2022-08-30 |
JP6797917B2 (ja) | 2020-12-09 |
CN108367335A (zh) | 2018-08-03 |
EP3393694B1 (de) | 2022-01-05 |
WO2017108319A1 (de) | 2017-06-29 |
JP2019502557A (ja) | 2019-01-31 |
US20200261961A1 (en) | 2020-08-20 |
CN108367335B (zh) | 2020-03-10 |
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