EP2457676A1 - Procédé et dispositif de laminage pour le laminage sans mandrin de roues et de disques - Google Patents

Procédé et dispositif de laminage pour le laminage sans mandrin de roues et de disques Download PDF

Info

Publication number
EP2457676A1
EP2457676A1 EP11007555A EP11007555A EP2457676A1 EP 2457676 A1 EP2457676 A1 EP 2457676A1 EP 11007555 A EP11007555 A EP 11007555A EP 11007555 A EP11007555 A EP 11007555A EP 2457676 A1 EP2457676 A1 EP 2457676A1
Authority
EP
European Patent Office
Prior art keywords
blank
rolling
rollers
web
rolls
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
EP11007555A
Other languages
German (de)
English (en)
Other versions
EP2457676B1 (fr
Inventor
Dirk Klug
Ulrich Salamon
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.)
Schuler SMG GmbH and Co KG
Original Assignee
Schuler SMG 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 Schuler SMG GmbH and Co KG filed Critical Schuler SMG GmbH and Co KG
Publication of EP2457676A1 publication Critical patent/EP2457676A1/fr
Application granted granted Critical
Publication of EP2457676B1 publication Critical patent/EP2457676B1/fr
Active 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
    • 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

Definitions

  • the invention relates to a rolling apparatus for the thornless rolling of wheels and discs, with a roller frame, in which a circular disk-shaped blank is rotatably insertable about a rotation axis, a main roller which is rotatable about an axis parallel to the axis of rotation and engageable with the peripheral surface of the blank in abutment is, and at least a pair of tapered rollers and at least a pair of web rolls, which are respectively engageable with the side surfaces of the blank, wherein the web rolls are rotationally driven by means of a drive device.
  • the invention relates to a method for thornless rolling of wheels and discs with a corresponding rolling device.
  • a disc-shaped Blank usually used upright in a roller frame, in which the blank is mounted floating on its peripheral surface and its side surfaces by bearing rollers.
  • the roller frame also includes a so-called main roller which is rotatable about an axis extending parallel to the axis of rotation of the blank and is in contact with the peripheral surface of the blank and forms it during the rolling process.
  • cone-shaped rollers so-called tapered rollers are provided, which come into contact in the edge region of the blank with its side surfaces on opposite sides and in particular form the radially outer rim or disc rim.
  • the web region lying between the radially inner hub and the radially outer wheel rim of the wheel is formed by so-called web rolls, which come into contact with the side surface of the blank from opposite sides.
  • the rotary driven web rolls serve.
  • the rotational movement of the standing rollers is transmitted by friction to the blank, whereby this is also rotated.
  • the rolls in contact therewith ie the main roll and the tapered roll, also begin to rotate. Since the acceleration of the blank thus takes place solely by the friction between the web rolls and the blank, the web rolls are subjected to very high wear.
  • unwanted slippage may occur, in particular between the web rolls and the blank, which adversely affects the machining accuracy.
  • the invention has for its object to provide a rolling device for thornless rolling of wheels and discs, in which the load and wear of the web rolls is reduced.
  • the tapered rollers and the main roller also each have a drive device for rotary drive.
  • the rotation of the blank is no longer achieved solely by the web rolls, but the main roll and the tapered rollers can also be used to set the blank in rotation.
  • the main roll and the tapered rollers can also be used to set the blank in rotation.
  • a reduced friction and a reduced slip between the web rolls and the blank is given, so that its wear is reduced.
  • all drive devices ie the drive device of the web rolls, the drive device of the main roll and the drive device of the tapered rollers are independently controllable.
  • the drive device of the main roller and / or the drive device of the tapered rollers are switched during the rolling torque-free, if it should come, for example, when rolling the blank to no superposition of drive torque.
  • the blank can be kept in rotation exclusively by means of the web rolls become.
  • the above-mentioned output is achieved by rotating the blank by means of the main roll and / or the tapered rollers before the rotating land rolls are brought into abutment with the blank. In this way, the friction and the slip between the blank and the web rolls can be reduced, so that the wear of the web rolls is reduced.
  • the speed of the blank is set before placing the web rolls so that the placement of the web rolls is slip-free. This is achieved when the peripheral speed of the web rolls in the contact area is equal to the peripheral speed of the blank, i. there is no speed difference between these two components at the contact surface.
  • the Speed of the tapered rollers is set so that a slip-free contact of the blank with the tapered rollers is given.
  • the drive devices of the main roll and / or the tapered rollers during the rolling process in the manner explained above are switched torque-free.
  • rolling apparatus 10 for thornless rolling of wheels and discs has a roller frame 11, which has two superimposed spaced centering rollers 12 and a laterally offset main roller 13 thereto.
  • the centering rollers 12 are each perpendicular to the plane according to FIG. 1 extending axes rotatable and in particular not driven.
  • the main roller 13 is rotatable about an axis D 1 , which is also perpendicular to the plane of FIG. 1 runs, and is rotationally driven by means of a drive device 18 only schematically indicated.
  • a drive device 18 By an adjusting device 14, the main roller 13 can be adjusted in the direction of the centering rollers 12 and withdrawn from them.
  • the roll stand 11 In order to avoid lateral falling out of the blank R from the roll stand 11, the roll stand 11 has non-driven side rolls 20 on both sides of the blank R.
  • each have a conical roller 15 are arranged on the opposite sides thereof, which can be brought into abutment with the side surfaces S 1 and S 2 of the blank R and driven by a drive device 19 shown only schematically.
  • the tapered rollers 15 serve to form the radially outer circumferential rim of the wheel to be produced by rolling.
  • the web region formed between a hub section formed near the rotational axis D 2 and the outer wheel rim is formed by web rolls 16, wherein at least one web roll 16 is arranged on each side of the blank.
  • the web rolls 16 are rotationally driven by a drive device 17 shown only schematically.
  • the drive devices 17, 18 and 19 are independently controllable, wherein it is provided in particular that the blank R by means of the main roller 13 and / or the tapered rollers 15 is already set in rotation before the rotating web rollers 16 with the blank R preferably without slipping in abutment to be brought.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP20110007555 2010-11-24 2011-09-16 Procédé et dispositif de laminage pour le laminage sans mandrin de roues et de disques Active EP2457676B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010052371 DE102010052371A1 (de) 2010-11-24 2010-11-24 Verfahren und Walzvorrichtung zum dornlosen Walzen von Rädern und Scheiben

Publications (2)

Publication Number Publication Date
EP2457676A1 true EP2457676A1 (fr) 2012-05-30
EP2457676B1 EP2457676B1 (fr) 2012-11-07

Family

ID=45033648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110007555 Active EP2457676B1 (fr) 2010-11-24 2011-09-16 Procédé et dispositif de laminage pour le laminage sans mandrin de roues et de disques

Country Status (3)

Country Link
EP (1) EP2457676B1 (fr)
DE (1) DE102010052371A1 (fr)
ES (1) ES2399193T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111604447A (zh) * 2020-04-28 2020-09-01 宝武集团马钢轨交材料科技有限公司 一种改善车轮轧制中轮辋角部成形和宽度均匀性的方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012017508A1 (de) * 2012-09-05 2014-05-15 Schuler Pressen Gmbh Walzvorrichtung zum Walzen von Rädern und Scheiben

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US956780A (en) * 1909-02-03 1910-05-03 Bethlehem Steel Corp Rolling-mill for rolling car-wheels.
JPS60124428A (ja) * 1983-12-08 1985-07-03 Agency Of Ind Science & Technol 円盤状素形材のロ−ル圧延機制御方法
JPS60124431A (ja) * 1983-12-08 1985-07-03 Agency Of Ind Science & Technol ロ−ル圧延機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE593438C (de) * 1932-09-03 1934-02-26 Schloemann Akt Ges Scheibenraederwalzwerk mit Antrieb durch Elektromotoren
DE893488C (de) * 1942-03-06 1953-10-15 Schloemann Ag Radscheibenwalzwerk
DE2107049C3 (de) * 1971-02-15 1974-04-25 Uralskij Sawod Tjaschelowo Maschinostrojenija, Imeni Sergo Ordschonikidse, Swerdlowsk (Sowjetunion) Horizontalradwalzwerk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US956780A (en) * 1909-02-03 1910-05-03 Bethlehem Steel Corp Rolling-mill for rolling car-wheels.
JPS60124428A (ja) * 1983-12-08 1985-07-03 Agency Of Ind Science & Technol 円盤状素形材のロ−ル圧延機制御方法
JPS60124431A (ja) * 1983-12-08 1985-07-03 Agency Of Ind Science & Technol ロ−ル圧延機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111604447A (zh) * 2020-04-28 2020-09-01 宝武集团马钢轨交材料科技有限公司 一种改善车轮轧制中轮辋角部成形和宽度均匀性的方法
CN111604447B (zh) * 2020-04-28 2022-04-19 宝武集团马钢轨交材料科技有限公司 一种改善车轮轧制中轮辋角部成形和宽度均匀性的方法

Also Published As

Publication number Publication date
ES2399193T3 (es) 2013-03-26
DE102010052371A1 (de) 2012-05-24
EP2457676B1 (fr) 2012-11-07

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