EP2282854A1 - Procédé de roulage pour la fabrication de corps profilés cannelés dans des pièces cylindriques ayant la forme d'un pot - Google Patents

Procédé de roulage pour la fabrication de corps profilés cannelés dans des pièces cylindriques ayant la forme d'un pot

Info

Publication number
EP2282854A1
EP2282854A1 EP09761616A EP09761616A EP2282854A1 EP 2282854 A1 EP2282854 A1 EP 2282854A1 EP 09761616 A EP09761616 A EP 09761616A EP 09761616 A EP09761616 A EP 09761616A EP 2282854 A1 EP2282854 A1 EP 2282854A1
Authority
EP
European Patent Office
Prior art keywords
rolling
workpiece
shaped cylindrical
roll forming
pot
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
Application number
EP09761616A
Other languages
German (de)
English (en)
Other versions
EP2282854B1 (fr
Inventor
Peter Hoehne
Martin Meyer
Andreas Essl
Ralf Fischer
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.)
ZF Friedrichshafen AG
Allgaier Werke GmbH and Co KG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP2282854A1 publication Critical patent/EP2282854A1/fr
Application granted granted Critical
Publication of EP2282854B1 publication Critical patent/EP2282854B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B21D15/00—Corrugating tubes
    • B21D15/02—Corrugating tubes longitudinally
    • 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
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/02—Making articles shaped as bodies of revolution discs; disc wheels
    • B21H1/04—Making articles shaped as bodies of revolution discs; disc wheels with rim, e.g. railways wheels or pulleys
    • 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
    • B21H5/00—Making gear wheels, racks, spline shafts or worms
    • B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
    • 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
    • B21H5/00—Making gear wheels, racks, spline shafts or worms
    • B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
    • B21H5/025—Internally geared wheels

Definitions

  • the present invention relates to a Rollumformmaschinen for the production of longitudinally toothed profiled bodies in cup-shaped cylindrical workpieces according to the preamble of patent claim 1.
  • a method for the production of profiled bodies is apparent in the context of which a rolling tool is used to produce the workpiece from a blank having a smooth outer contour by means of a press, wherein each press stroke forms a workpiece from a blank. It is provided that a rolling operation is carried out at each press stroke, in which along the circumference of the workpiece to be machined regularly and at a uniform angle to each other arranged profile rollers press the desired outer profile in the lateral surface of the workpiece.
  • the grooves produced according to the method of the respective profile rollers are equal to each other, with a paragraph-free outer contour can be achieved.
  • the rotation and thus the rolling of the profile rollers produced only by the forces acting during the forming forces between a workpiece and a profile roller, whereby a non-definable slip of the profile roller relative to the workpiece is formed, which is irregular in a longitudinal direction executed profile in Measurement inaccuracy results. Furthermore, when retracting the profile roller into the material, a zone is created in which the tooth flank is not completely formed.
  • the Rollumform compiler is started in a transfer press on the bottom of the cup-shaped cylindrical workpieces, which process due to material flows from the head into the flanks and into the tooth flow, whereby in the region of the pot bottom, a defective Zahnausformung occurs.
  • WO 2006/066525 A1 proposes a method for producing longitudinal grooves in cylindrical workpieces using a roll forming method with a preceding preforming method, wherein material accumulations in the corner regions of the blank can be realized by means of the preforming method.
  • material is accumulated at the points of the blank at which the profile rollers dive into the material during the actual roll forming, so that optimized profile support shares and sheet thicknesses can be achieved for the roll forming process.
  • Embossing and / or upsetting processes can be carried out here as a preforming process.
  • compression or regression may result in dimensional problems on the gearing.
  • a tool for sheet metal forming is known from EP 0728 540 A1, in particular for a press, in order to provide a shaped part made of sheet metal with a tooth-shaped or wave-shaped profile.
  • the known tool has a tool lower part and an upper tool part, which cooperate for forming the molded part, wherein the forming takes place in one operation and for forming the tooth-shaped or wave-shaped profile forming rollers are provided, which are arranged directed to the molding on a circumference.
  • the forming rollers are designed in addition to the frictional engagement with the molding with a drive that drives them around their own axes.
  • DE 102006025034 A1 discloses a method for producing longitudinal grooves in cylindrical workpieces, in which a profile is produced on the circumference of the workpiece by means of concentrically arranged profile segment disks.
  • the profile segment discs are moved at any time of the forming process by a drive;
  • the drive is independent of the rolling movement of the profile segment discs on the workpiece.
  • the present invention has for its object to provide a Rollumformmaschinen for the production of longitudinally toothed profiled bodies in cup-shaped cylindrical workpieces, by its implementation, the usable profile of the spline is maximized.
  • the tooth formation in the region of the bottom of the workpiece is to be optimized and the described disadvantageous material feed on the tooth head to be largely reduced.
  • a Rollumform compiler in which the cup-shaped cylindrical workpiece is driven in a first rolling stage according to the prior art with the ground first by a rolling stage, preferably in this first rolling the tooth heads is rolled in a predetermined small extent, whereby the Workpiece remains approximately cylindrical.
  • the overrolling step avoids bulging the workpiece during the process.
  • the pot-shaped cylindrical workpiece is then moved with its open end first through at least one further rolling stage;
  • the workpiece which is usually designed as a sheet metal pot, is driven through two further rolling stages.
  • the material flows towards the bottom and forms the teeth there optimally.
  • a plate carrier in the bottom region has an optimal tooth formation, in which lamellae can be accommodated.
  • the load-bearing profile begins at the bottom of the pot-shaped cylindrical sheet metal part, wherein the same number of rolling steps is required, as in the prior art.
  • the arrangement of a cup-shaped cylindrical sheet metal part 1 is shown in each rolling A, B, C, wherein the arrow 2 illustrates the direction in which the sheet metal part 1 is driven by the corresponding rolling stage.
  • a section is shown in each case perpendicular to the longitudinal axis of the sheet metal part 1 after the respective rolling stage or the respective rolling process, wherein a detailed view of the area marked by the circle 4 after each rolling stage is the subject of the lower part of the figure.
  • the prior art sheet metal part Prior to the start of the roll forming process, the prior art sheet metal part is processed by drawing, ironing and / or punching.
  • the sheet metal part 1 is driven to the bottom 3 first by the rolling stage at the beginning of Rollumformhabilits during the rolling process A, wherein in the context of a development of the invention in this first rolling the tooth head in a predetermined Measure is rolled, whereby the sheet metal part 1 remains approximately cylindrical.
  • the sheet metal part 1 is then driven in the context of the rolling process B with its open end first by a second rolling stage, as illustrated by the middle upper part of the figure. By doing so, the material flows toward the bottom of the sheet metal part 1 and optimally shapes the teeth there.
  • a third rolling operation C the sheet metal part 1 is again driven with its open end first through a rolling stage, as can be seen from the upper right part of the figure to obtain an optimal deformation of the sheet metal part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)
EP09761616A 2008-06-09 2009-05-27 Procédé de roulage pour la fabrication de corps profilés cannelés dans des pièces cylindriques ayant la forme d'un pot Active EP2282854B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008002297A DE102008002297A1 (de) 2008-06-09 2008-06-09 Rollumformverfahren zur Herstellung von längsverzahnten Profilkörpern in topfförmigen zylindrischen Werkstücken
PCT/EP2009/056453 WO2009150053A1 (fr) 2008-06-09 2009-05-27 Procédé de roulage pour la fabrication de corps profilés cannelés dans des pièces cylindriques ayant la forme d'un pot

Publications (2)

Publication Number Publication Date
EP2282854A1 true EP2282854A1 (fr) 2011-02-16
EP2282854B1 EP2282854B1 (fr) 2012-02-08

Family

ID=41268544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09761616A Active EP2282854B1 (fr) 2008-06-09 2009-05-27 Procédé de roulage pour la fabrication de corps profilés cannelés dans des pièces cylindriques ayant la forme d'un pot

Country Status (6)

Country Link
US (1) US8539806B2 (fr)
EP (1) EP2282854B1 (fr)
JP (1) JP5795733B2 (fr)
AT (1) ATE544536T1 (fr)
DE (1) DE102008002297A1 (fr)
WO (1) WO2009150053A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011011438A1 (de) * 2011-02-16 2012-08-16 Form Technology Gmbh Herstellung einer Planetenträgerverbindung durch partielle Umformung im Rollverfahren
DE102013006150B4 (de) 2013-04-10 2021-09-30 Webo Werkzeugbau Oberschwaben Gmbh Bauteil mit Innen- und Außenverzahnung sowie Verfahren zur Herstellung des Bauteils und Werkzeugsatz zur Ausführung des Verfahrens
DE102013221391A1 (de) 2013-10-22 2015-04-23 Allgaier Werke Gmbh Rollierwerkzeug
DE102014210631A1 (de) 2014-06-04 2015-12-17 Zf Friedrichshafen Ag Blechzylinder mit Mitnahmeprofil und Verfahren zur Herstellung

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US496601A (en) * 1893-05-02 Process of making spirally-corrugated sheet-metal bodies
US629245A (en) * 1898-07-21 1899-07-18 Salomon Frank Apparatus for producing ribbed or corrugated tubes.
US2565623A (en) * 1949-03-30 1951-08-28 Rca Corp Method of making grid structures
US2715846A (en) * 1951-05-16 1955-08-23 Grob Inc Method of groove forming
US2937547A (en) * 1953-08-04 1960-05-24 Landis Machine Co Method of rolling workpieces
DE2017709A1 (de) 1970-04-14 1971-11-04 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Werkzeug zum Einrollen von Längsnuten in zylindrische Werkstücke
DE2439957A1 (de) * 1974-08-20 1976-03-04 Grob Kaltwalzmasch Ernst Verfahren und vorrichtung zum kaltwalzen von parallelen profilen z.b. von zahnprofilen aus dem vollen material
DE2829041A1 (de) * 1978-07-01 1980-01-10 Volkswagenwerk Ag Verfahren und vorrichtung zur herstellung eines innen- und aussenverzahnten topffoermigen blechteils
JPS61135405A (ja) * 1984-12-06 1986-06-23 Nippon Steel Corp 圧延材の旋回圧延方法
CH686817A5 (de) * 1992-03-04 1996-07-15 Grob Ernst Fa Vorrichtung und Verfahren zum Herstellen eines wenigstens innen gerade oder schraeg zur Werkstueckachse profilierten hohlen Werkstuecks.
JP3557678B2 (ja) * 1994-12-20 2004-08-25 アイシン・エィ・ダブリュ株式会社 スプライン部品の成形方法およびその成形装置
DE19506391B4 (de) 1995-02-23 2010-01-07 Allgaier Werke Gmbh Verfahren zum Herstellen eines ein zahn- oder wellenförmiges Profil aufweisenden Getriebebauteils aus einer Blechplatine
JP3377884B2 (ja) * 1995-06-13 2003-02-17 株式会社エクセディ 板金製ドラムの歯形成形装置
JP3709712B2 (ja) * 1998-05-18 2005-10-26 日産自動車株式会社 クラッチドラムの歯形成形方法および歯形
JP2001129630A (ja) * 1999-11-02 2001-05-15 Toyota Motor Corp 歯形成形装置
JP4761654B2 (ja) * 2001-06-06 2011-08-31 株式会社イノアックコーポレーション へッドレストステーの凹部の加工方法
US6769281B2 (en) * 2002-03-05 2004-08-03 Sango Co., Ltd. Method and apparatus of producing a columnar member container
WO2006066525A1 (fr) 2004-12-23 2006-06-29 Müller Weingarten AG Procede pour realiser des rainures longitudinales dans des pieces cylindriques
DE102006025034A1 (de) * 2006-05-26 2007-11-29 Müller Weingarten AG Vorrichtung und Verfahren zur Herstellung von Profilkörpern

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009150053A1 *

Also Published As

Publication number Publication date
JP5795733B2 (ja) 2015-10-14
DE102008002297A1 (de) 2009-12-10
JP2011522705A (ja) 2011-08-04
WO2009150053A1 (fr) 2009-12-17
ATE544536T1 (de) 2012-02-15
US20110083485A1 (en) 2011-04-14
EP2282854B1 (fr) 2012-02-08
US8539806B2 (en) 2013-09-24

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