EP1909990B1 - Verfahren und vorrichtung zum herstellen von metallringen - Google Patents

Verfahren und vorrichtung zum herstellen von metallringen Download PDF

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Publication number
EP1909990B1
EP1909990B1 EP06762038A EP06762038A EP1909990B1 EP 1909990 B1 EP1909990 B1 EP 1909990B1 EP 06762038 A EP06762038 A EP 06762038A EP 06762038 A EP06762038 A EP 06762038A EP 1909990 B1 EP1909990 B1 EP 1909990B1
Authority
EP
European Patent Office
Prior art keywords
profile
mandrel
tube section
tube
rings
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.)
Expired - Fee Related
Application number
EP06762038A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1909990A1 (de
Inventor
Torsten Flügge
Erwin Kwasnitza
Lorenz Rinke
Hermann Thau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoerbiger Synchron Technik GmbH and Co KG
Original Assignee
Hoerbiger Synchron Technik GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hoerbiger Synchron Technik GmbH and Co KG filed Critical Hoerbiger Synchron Technik GmbH and Co KG
Publication of EP1909990A1 publication Critical patent/EP1909990A1/de
Application granted granted Critical
Publication of EP1909990B1 publication Critical patent/EP1909990B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B21K1/761—Making machine elements elements not mentioned in one of the preceding groups rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
    • 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
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups

Definitions

  • the present invention relates to a method and an arrangement for producing rings from a tube made of a metallic material, wherein the rings are provided on the inner circumference with an axially continuous inner profile and on the outer circumference with a radial outer profile.
  • Such a method is known, for example from the DE 102 19 441 Cl ,
  • the method described in this document is used for the production of internally and / or externally profiled rings, in particular of rolling bearing rings and gear rings, in a complete ready-to-sand state of tube or solid material.
  • a radial outer profile should be produced by radial-axial profile tube rollers.
  • a pipe section is machined from the outside with a rolling tool.
  • the resulting flow of material is influenced by a counter-pressure tool which acts in the axial direction on the machined pipe section.
  • the flow of material in the axial and radial directions is controllable, so that the evasive material can be included in the formation of the profile.
  • a radial inner profile can be formed at the same time.
  • sliding sleeves is proposed to produce the necessary internal toothing (axial profiling) by cutting in a separate operation, after the foundedachir has been completely rolled ready for grinding.
  • the axial inner profile of the rings can be produced significantly cheaper, namely by kneading. Since the metallic material used to produce the rings must be able to flow within limits anyway because of the rolling process used for producing the radial outer profile, the kneading method for producing the axial inner profile is generally applicable.
  • kneading is to be understood broadly herein and is intended to include all similar and alternative methods in which material is intermittently pressed into the profile of the profile mandrel by radial and / or axial pressure.
  • the rings according to the invention may in particular be sliding sleeves or coupling bodies, as used in transmissions.
  • the material flow may optionally be controllable from both axial sides close to the rolling tool.
  • the rolling step c) is preferably carried out on the inside profiled pipe section, wherein finished rings are subsequently separated.
  • the handling is advantageous because a large number of items only arises when the rings are completed.
  • the tube is moved in the kneading step b) relative to the kneading tool in the axial direction.
  • the axial inner profile can be formed in a continuous operation on the pipe section.
  • the kneading tool moves relative to the tube.
  • the mandrel outer profile of the first profile mandrel is shorter than the length of the pipe section, wherein the first profile mandrel is floating and wherein the pipe section is moved in the kneading step b) in the axial direction relative to the first profile mandrel.
  • the length of the tube section, on which the axial inner profile is formed in one piece can be made comparatively long, for example 50 to 70 cm.
  • the utilizable portion of an outlet tube can thus be significantly increased since the length of the profiled tube section becomes greater in relation to the length of the clamping of the tube, which is usually necessary.
  • the first profile mandrel is supported in the kneading step b) in the axial direction and thus remains substantially stationary with respect to the kneading tool.
  • a support can take place in the axial direction, preferably in the direction of movement of the pipe section relative to the first profile mandrel.
  • a second profile mandrel is arranged in the pipe section or ring.
  • the rolling step can be carried out without a material flow affecting the integrity of the already produced inner profile.
  • an axial counterforce is generated on the pipe section or the ring, against the flow direction of the material produced by the rolling tools, so as to increase the material flow in the axial and / or or radial direction to control.
  • the mandrel outer profile of the first profile mandrel is about as long or at least as long as the pipe section, wherein the first profile mandrel in the kneading step b) is moved in the axial direction together with the tube or moves relative to the kneading tool.
  • the axial inner profile is made by external kneading tools by a material flow is generated in the radial outer profile of the profile mandrel inside.
  • no relative speed between the profile mandrel and the pipe section is present, so that the manufacturing accuracy can be very high.
  • a counterpressure tool is preferably provided, which has a contact section, by means of which an axial counterforce on the pipe section or the ring against the flow direction caused by the rolling tools of the material can be generated, so as to the flow of material in the axial and / or radial To control direction.
  • the counter-pressure tool is preferably formed integrally with the second profile mandrel.
  • a separating device is furthermore preferably provided for separating individual rings from the pipe section.
  • This may be a separate device, for example, a turning tool or milling tool, grinding tool, saw, etc. for radial parting of the individual tubes.
  • the separating device can be arranged in front of the rolling device in order to supply the rolling device in this way individual, profiled only on the inner circumference rings.
  • the separating device may also be arranged on or after the rolling device in order to separate one ring from the pipe section, which is finished profiled both on the inner circumference and on the outer circumference.
  • FIG. 1 is a cylindrical tube as the starting workpiece for the manufacturing method according to the invention generally designated 10.
  • the output tube 10 is unprofiled on both the inner periphery and the outer periphery, and is made of a metallic material capable of being processed in a kneader and a rolling device.
  • the metallic material is in any case limited flowable, it being understood that the material may be heated during processing.
  • the tube 10 is to be formed in the manufacturing process according to the invention in a plurality of rings, which have on its inner circumference an axial inner profile and on its outer periphery a radial outer profile, in particular shift sleeves for transmission.
  • FIG. 2 shows a schematic longitudinal sectional view through a kneading device 12 of a manufacturing arrangement according to the invention.
  • the kneading device 12 has, in a manner known per se, a kneading tool 14 with kneading jaws 16, which act on the tube 10 radially from the outside.
  • the kneading device 12 is used to provide on the output tube 10 an axial internal profiling, for example in the form of a toothing.
  • a first profile mandrel 20 is mounted in the kneading device 12.
  • the profile mandrel 20 has a comparatively short section in the axial direction with a mandrel outer profile 22.
  • the outer mandrel profile 22 corresponds in shape to the inner profile to be provided on the tube 10.
  • the first profile mandrel 20 has a cone section 24, which is arranged in the axial feed direction 26 in front of the mandrel outer profile.
  • a certain diameter reduction of the output tube 10 and the cone portion 24 is adapted at its axial front end to the inner circumference of the output tube 10, whereas the cone portion is adapted at its rear end to the - reduced - diameter of the mandrel outer profile 22.
  • the first profile mandrel 20 is floating within the tube 10, so remains substantially stationary with respect to the kneading tool 14. In the axial direction 26, the tube 10 is supplied with respect to the kneading device 12. This takes place within the kneading tool 14, the profiling of the inner circumference of the tube 10.
  • the first profile mandrel 20 can be supported in the axial direction of an optional support means 27, in particular to avoid jamming or the like.
  • a pipe section 28 of the tube 10 is provided with the axial inner profile, wherein the pipe section 28 has a significantly greater length than the mandrel outer profile 22 of the first mandrel outer profile.
  • the pipe section 28 may have a length of 50 or 60 cm, possibly even a length of 2 m or more (theoretically infinite).
  • FIG. 3 shows a tube section 30 produced in the kneading device 12, which is formed with an axial inner profile 32.
  • the internally profiled tube section 30 can now be supplied to produce a radial outer profile of a rolling device.
  • FIG. 4 shows a schematic longitudinal sectional view through a rolling device 40 of a manufacturing arrangement according to the invention.
  • the rolling device 40 is downstream of the kneading device 12.
  • an internally profiled pipe section 30 is used as the starting workpiece.
  • a radial outer profile of a ring to be produced is rolled, wherein subsequently the thus completed ring is separated from the internally profiled tube 30, for example by means of a separating device 34a, the in FIG. 4 also indicated schematically.
  • a further portion of the internally profiled pipe section 30 can be rolled to produce a further ring, which is then separated again.
  • the rolling apparatus 40 may basically be constructed and operated as described in the document DE 102 19 441 Cl is described.
  • the rolling apparatus 40 has at least two rolling rollers 42, which are rotatable about axes in a rolling motion 44, wherein the axes are parallel to the longitudinal axis of the clamped pipe section 30.
  • the rolling rollers 42 each exert a radial pressure on the pipe section 30, as indicated schematically at 44.
  • the tube section 30 is clamped at one end by means of a chuck 46 and is rotated about the chuck 46 about its longitudinal axis, as shown schematically at 48.
  • the pipe section 30 has an axial inner profile 32, which during the rolling process as little, ideally not at all, is impaired.
  • a second profile mandrel 50 is provided in the rolling device 40.
  • the second profile mandrel 50 has a first section with an outer profile 52, which corresponds to the axial inner profile of the pipe section 30.
  • the second profile mandrel 50 has a contact portion 54 whose diameter is greater than that of the outer profile 52.
  • the contact portion 54 is in the axial direction at the free end of the pipe section 30 at.
  • the profile mandrel 50 is also movable in the axial direction, as indicated schematically at 56. Therefore, the second profile mandrel 50 is simultaneously formed as a counter pressure tool and adapted to exert on the rolled portion an axial force which is adapted to control the material flow, in the axial direction, as shown at 58, and in the radial direction as shown at 59.
  • a radial outer profile 62 is consequently produced by the rolling machining of a section of the internally profiled tube section 30, namely the radial outer profile for each ring (or alternatively simultaneously for a plurality of rings).
  • the thus completed ring 60 is cut off, by means of the separating device 34a shown schematically.
  • the material flow can be controlled in the axial and / or radial direction, in the end result, a radial outer profile 62 can be generated, the outer circumference may be partially larger than the outer circumference of the only profiled inside Pipe section 30.
  • the axially on the inner circumference and radially profiled on the outer circumference ring 60 may be used for example as a shift sleeve for a motor vehicle transmission.
  • FIG. 5 shows an alternative embodiment of a rolling device 40 '.
  • the rolling device 40 ' corresponds to the structure and operation of the rolling device 40 of the FIG. 4 , In this case, it is merely the case that the rolling device 40 'is designed to roll internally profiled rings 36 which have been separated in advance from an internally profiled tube section 30 (cf. FIG. 3 ).
  • another counterpressure tool 66 may be provided which is axially movable, as shown at 68. This allows the ring to be influenced from both sides to control the material flow.
  • FIG. 6 shows an alternative embodiment of a kneader 12 'for producing an internally profiled pipe section 30'.
  • the kneading device 12 corresponds in terms of structure and operation of the kneading device 12 of FIG. 2 , In the following, only differences will be discussed.
  • the first profile mandrel 20' has a section with a mandrel outer profile 22 ', which corresponds in its length to the pipe section 30' to be formed.
  • the first profile mandrel 20 ' is clamped in a clamping device 70, which is fed together with the tube 10 in the axial direction 26 of the kneading tool 14'.
  • a pipe section 30' is kneaded with an axial inner profile whose length corresponds approximately to the length of the mandrel outer profile 22 'of the first profile mandrel 20'.
  • FIGS. 7 and 8 a coupling body 80 produced according to the method according to the invention is shown.
  • the coupling body 80 is formed with an axial inner profile 32 '' and with a radial outer profile 62 ''
  • the axial inner profile 32 '' is used for sliding onto a corresponding toothing of, for example, a loose wheel of a transmission the coupling body 80 can be fixed well to the idler gear, for example by welding.
  • the radial outer profile 62 '' therefore comprises a radial flange portion.
  • an external toothing region 82 is further formed, on which an external toothing is still formed, into which the internal toothing of a sliding sleeve can be inserted in order to produce a positive connection between the coupling body (and thus the idler gear connected to the coupling body 80) and a transmission shaft. on which the shift sleeve axially displaceable, but rotationally fixed, is mounted.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
EP06762038A 2005-06-15 2006-06-14 Verfahren und vorrichtung zum herstellen von metallringen Expired - Fee Related EP1909990B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005028828A DE102005028828B3 (de) 2005-06-15 2005-06-15 Verfahren und Vorrichtung zum Herstellen von Metallringen
PCT/EP2006/005695 WO2006133910A1 (de) 2005-06-15 2006-06-14 Verfahren und vorrichtung zum herstellen von metallringen

Publications (2)

Publication Number Publication Date
EP1909990A1 EP1909990A1 (de) 2008-04-16
EP1909990B1 true EP1909990B1 (de) 2009-01-21

Family

ID=36999843

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06762038A Expired - Fee Related EP1909990B1 (de) 2005-06-15 2006-06-14 Verfahren und vorrichtung zum herstellen von metallringen

Country Status (7)

Country Link
US (1) US20080250838A1 (zh)
EP (1) EP1909990B1 (zh)
KR (1) KR20080025374A (zh)
CN (1) CN101222989B (zh)
AT (1) ATE421395T1 (zh)
DE (2) DE102005028828B3 (zh)
WO (1) WO2006133910A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010012457A1 (de) * 2008-07-29 2010-02-04 Repkon Machine And Tool Industry & Trade Ltd. Vorrichtung und verfahren zum herstellen oder bearbeiten von werkstücken aus einer vorform, insbesondere zum anformen von innenprofilen oder innenverzahnungen
EP2241386A1 (de) * 2009-04-16 2010-10-20 Felss GmbH Umformwerkzeug zur Herstellung eines Innenprofils, insbesondere einer Innenverzahnung, eines Werkstücks
DE102010028797A1 (de) * 2010-05-10 2011-11-10 Federal-Mogul Sealing Systems Gmbh Verfahren und Vorrichtung zur Herstellung von Dichtringen
DE102012112029A1 (de) * 2012-12-10 2014-06-12 Dorma Gmbh + Co. Kg Verfahren zur Herstellung ringförmiger Funktionskörper eines Türbetätigers zur Betätigung einer Tür
CN104139144A (zh) * 2014-08-11 2014-11-12 贵州航天新力铸锻有限责任公司 椭球形壳体锻件的锻制装置
DE102015107475B3 (de) 2015-05-12 2016-11-17 Schuler Pressen Gmbh Verfahren zum Fertigen eines Ringes, Wälzlager und Vorrichtung zum Fertigen eines Ringes
DE102016115043B4 (de) * 2016-08-12 2019-02-21 Bühler Motor GmbH Verfahren zur Herstellung eines Hohlrads für ein Planetengetriebe und Baukastensystem mit einem solchen Hohlrad

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US3422518A (en) * 1967-10-20 1969-01-21 Valley Metallurg Processing Method of reforming tubular metal blanks into inner-fin tubes
GB1191797A (en) * 1968-07-15 1970-05-13 Valley Metallurg Proc Company Method of Reforming Tubular Metal Blanks into Inner-Fin Tubes
US3768291A (en) * 1972-02-07 1973-10-30 Uop Inc Method of forming spiral ridges on the inside diameter of externally finned tube
GB2144351B (en) * 1983-08-03 1986-09-03 Formflo Ltd Making rings from tube or bar stock
DE3717423A1 (de) * 1987-04-07 1988-10-27 Ragettli Christian Ag Verfahren zum profilformen von als rollkoerper ausgebildeten werkstuecken und einrichtung zur ausuebung des verfahrens
US5392517A (en) * 1994-01-07 1995-02-28 General Motors Corporation Method of making a ring gear
ATE155717T1 (de) * 1994-06-25 1997-08-15 Grob Ernst Fa Verfahren und vorrichtung zum walzen von hohlteilen
DE19526900B4 (de) * 1995-07-22 2005-07-14 Technische Universität Dresden Verfahren zur kombinierten spanenden und umformenden Fertigung von Ringen und Maschinen hierzu
US5933953A (en) * 1997-03-17 1999-08-10 Carrier Corporation Method of manufacturing a heat transfer tube
US5881592A (en) * 1998-04-22 1999-03-16 Cerro Copper Products Co. Floating plug for drawing of tubes
DE10217848A1 (de) * 2002-04-22 2003-11-06 Hay Tec Automotive Gmbh & Co K Verfahren zur Herstellung von Schiebemuffen für Schaltgetriebe
DE10219441C1 (de) * 2002-04-25 2003-09-18 Univ Dresden Tech Verfahren zur Herstellung von innen- und/oder außenprofilierten Ringen sowie Anordnung hierzu
DE10317506C5 (de) * 2003-04-16 2008-05-15 Daimler Ag Verfahren zum Herstellen eines hohlen Werkstücks und nach dem Verfahren hergestelltes hohles Werkstück
AU2003263136A1 (en) * 2003-08-13 2005-03-07 Technische Universitat Dresden Method for producing internally or externally profiled rings and arrangement therefor

Also Published As

Publication number Publication date
ATE421395T1 (de) 2009-02-15
KR20080025374A (ko) 2008-03-20
EP1909990A1 (de) 2008-04-16
CN101222989B (zh) 2010-12-15
WO2006133910A1 (de) 2006-12-21
CN101222989A (zh) 2008-07-16
DE102005028828B3 (de) 2006-12-21
US20080250838A1 (en) 2008-10-16
DE502006002727D1 (de) 2009-03-12

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