EP1592895A1 - Gleitstein für gelenkspindeln - Google Patents

Gleitstein für gelenkspindeln

Info

Publication number
EP1592895A1
EP1592895A1 EP04709983A EP04709983A EP1592895A1 EP 1592895 A1 EP1592895 A1 EP 1592895A1 EP 04709983 A EP04709983 A EP 04709983A EP 04709983 A EP04709983 A EP 04709983A EP 1592895 A1 EP1592895 A1 EP 1592895A1
Authority
EP
European Patent Office
Prior art keywords
sliding block
articulated
inner body
fiber material
flat pin
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
EP04709983A
Other languages
English (en)
French (fr)
Other versions
EP1592895B1 (de
Inventor
Christoph Sundermann
Bob Scoular
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.)
SMS Siemag AG
Original Assignee
SMS Demag 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 SMS Demag AG filed Critical SMS Demag AG
Publication of EP1592895A1 publication Critical patent/EP1592895A1/de
Application granted granted Critical
Publication of EP1592895B1 publication Critical patent/EP1592895B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
    • B21B35/142—Yielding spindle couplings; Universal joints for spindles
    • B21B35/145—Hooke's joints or the like with each coupling part pivoted with respect to an intermediate member
    • B21B35/146—Tongue and slipper joints
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core

Definitions

  • the invention relates to a sliding block for articulated spindles on drives of rolling mills, the articulated spindle having a flat pin, the tongue of which engages in a cylindrical opening of a spindle head lying transversely to the axis of rotation, between which and the flat pin the sliding block is arranged.
  • Sliding elements or sliding blocks often also called joint blocks, are known in various designs.
  • WO 99/36210 A1 describes sliding elements, namely bearing bushes and bearing shells, consisting of a carrier material made of steel with a cast-on bearing alloy. This is lead-free and based on a copper-zinc or copper-aluminum alloy.
  • Bearing alloys containing copper are also known from EP 1 133 588 B1.
  • a plain bearing is also known from US Pat. No. 5,422,150 A, the coating here consisting of a polymer compound.
  • Such copper-containing alloys are characterized by very good sliding or Lubrication properties, but have the disadvantage that copper is released during abrasion. For certain rolling processes, but especially special rolled products, it is not permitted that this copper abrasion gets into the rolling process. In contrast to bearing bushes or bearing shells of this type, which accommodate rotating parts, the transfer of torques takes place with sliding blocks, ie a completely different type of load.
  • the invention is therefore based on the object of providing a sliding block which both allows a high surface pressure and also has sufficient heat resistance without copper or copper alloys being released during abrasion.
  • a sliding block for articulated spindles on drives of rolling mills having a flat pin, the tongue of which engages in a cylindrical opening of the spindle head lying transversely to the axis of rotation, between which and the flat pin the sliding block is arranged, in that the Sliding block is constructed in a composite construction, with a metallic inner body and an outer layer of polymer fiber material encasing it.
  • a polymer fiber material of this type in particular a carbon fiber material, is very suitable for absorbing the high surface pressures and thermal loads which occur during the transmission of torques in rolling mill drives.
  • the sliding block according to the invention can be used both on the motor side and on the roller side.
  • the sliding block can have an inner body made of steel and, according to a further embodiment, it is also possible to divide the sliding block into several segments, which of course are then also designed in the composite construction.
  • Hycomp ® for example, can be used as the carbon fiber material.
  • the joint spindle 1 has a flat pin 2, the tongue 3 of which engages in a cylindrical opening of the spindle head 4 lying transversely to the axis of rotation.
  • the sliding block 5 is arranged between the flat pin 2 and the surrounding spindle head 4. In the embodiment shown in FIG. 1, this consists of two semi-annular sliding block segments which are connected to one another by a sliding bolt 8.
  • the composite construction of the sliding block results from the schematic representation of the cut sliding block in FIG. 2.
  • the sliding block is made of a metallic, e.g. Steel, existing inner body 6 and a carbon fiber outer layer 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Rolling Contact Bearings (AREA)
  • Turning (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Description

Gleitstein für Gelenkspindeln
Die Erfindung betrifft einen Gleitstein für Gelenkspindeln an Antrieben von Walzwerken, wobei die Gelenkspindel einen Flachzapfen aufweist, dessen Zunge in eine quer zur Drehachse liegende zylindrische Öffnung eines Spindelkopfes eingreift, zwischen dem und dem Flachzapfen der Gleitstein angeordnet ist.
Gleitelemente oder Gleitsteine, oft auch Gelenksteine genannt, sind in verschiedenen Ausbildungen bekannt.
So sind in der WO 99/36210 A1 Gleitelemente, nämlich Lagerbuchsen und Lagerschalen beschrieben, bestehend aus einem Trägerwerkstoff aus Stahl mit einer aufgegossenen Lagerlegierung. Diese ist bleifrei und basiert auf einer Kupfer-Zink oder Kupfer-Aluminium Legierung.
Lagerlegierungen, die Kupfer enthalten, sind auch aus der EP 1 133 588 B1 bekannt.
Weiterhin ist ein Gleitlager bekannt aus der US 5 422 150 A, wobei hier die Beschichtung aus einer Polymerverbindung besteht.
Die DE 26 56 257 A1 beschreibt Gelenksteine für Gelenkspindeln und Gelenkkupplungsköpfe von Walzwerksantrieben, die aus mehreren Teilsegmenten zusammengesetzt sind, wobei diese aus unterschiedlichen Materialien wie Stahl, Nichteisenmetall oder Kunststoff aufgebaut sein können.
Schließlich sei noch die DE 36 23 721 A1 erwähnt, die Gelenkspindeln mit geschmierten Gelenksteinen offenbart.
Derartige Kupfer enthaltende Legierungen zeichnen sich zwar durch sehr gute Gleitbzw. Schmiereigenschaften aus, haben aber den Nachteil, dass beim Abrieb Kupfer frei wird. Für bestimmte Walzverfahren, insbesondere aber spezielle Walzprodukte, ist es nicht zulässig, dass dieser Kupferabrieb in den Walzprozess gelangt. Im Gegensatz zu derartigen Lagerbuchsen oder Lagerschalen, die drehende Teile aufnehmen, erfolgt bei Gleitsteinen, die Übertragung von Drehmomenten, also eine völlig andere Art der Belastung.
Versuche, zur Übertragung von Drehmomenten Gleitsteine aus Kunststoff einzusetzen, sind bisher gescheitert, weil diese Materialien keine ausreichende Flächenpressung bzw. Warmfestigkeit aufweisen.
Der Erfindung liegt daher die Aufgabe zugrunde, einen Gleitstein zur Verfügung zu stellen, der sowohl eine hohe Flächenpressung zulässt, wie auch eine ausreichende Warmfestigkeit besitzt, ohne dass beim Abrieb Kupfer oder Kupferlegierungen frei werden.
Gelöst wird diese Aufgabe erfindungsgemäß bei einem Gleitstein für Gelenkspindeln an Antrieben von Walzwerken, wobei die Gelenkspindel einen Flachzapfen aufweist, dessen Zunge in eine quer zur Drehachse liegende zylindrische Öffnung des Spindelkopfes eingreift, zwischen dem und dem Flachzapfen der Gleitstein angeordnet ist, dadurch, dass der Gleitstein in Verbundbauweise ausgebildet ist, mit einem metallischen Innenkörper und einer diesen ummantelnden Außenschicht aus Polymerfasermaterial.
Überraschenderweise hat sich gezeigt, dass ein derartiges Polymerfasermaterial, insbesondere ein Kohlefasermaterial sehr geeignet ist, die hohen Flächenpressungen und Wärmebelastungen, die bei der Übertragung von Drehmomenten in Walzwerksantrieben auftreten, aufzunehmen.
Der erfindungsgemäße Gleitstein kann sowohl auf der Motorenseite wie auch der Walzenseite eingesetzt werden.
Von besonderem Vorteil ist, dass es keiner zusätzlichen Schmierung, beispielsweise durch Fett, Öl oder Ölnebel bedarf. Aufgrund der Materialeigenschaften dieses Verbundgleitsteines kann auf eine Kühlung verzichtet werden, zumindest kann sie gegenüber herkömmlichen Lagern wesentlich eingeschränkt werden. Der Gleitstein kann einen Innenkörper aus Stahl aufweisen und nach einer weiteren Ausgestaltung ist auch die Aufteilung des Gleitsteines in mehrere Segmente möglich, die dann natürlich ebenfalls in der Verbundbauweise ausgestaltet sind.
Als Kohlefasermaterial kann beispielsweise Hycomp ® verwendet werden.
Die Erfindung soll nachfolgend an einem Ausführungsbeispiel erläutert werden, wobei in den Figuren 1 und 2 schematisch der Lageraufbau und die Ausbildung des Gleitsteines dargestellt sind.
Die Gelenkspindel 1 weist einen Flachzapfen 2 auf, dessen Zunge 3 in eine quer zur Drehachse liegende zylindrische Öffnung des Spindelkopfes 4 eingreift.
Zwischen dem Flachzapfen 2 und dem umgebenden Spindelkopf 4 ist der Gleitstein 5 angeordnet. Bei dem in der Figur 1 dargestellten Ausführungsbeispiel besteht dieser aus zwei halbringförmigen Gleitsteinsegmenten, die durch einen Gleitbolzen 8 miteinander verbunden sind.
Die Verbundbauweise des Gleitsteines ergibt sich aus der schematischen Darstellung des geschnittenen Gleitsteines in Figur 2.
Hier ist ersichtlich, dass der Gleitstein aus einem metallischen, z.B. Stahl, bestehenden Innenkörper 6 und einer Kohlefaser- Außenschicht 7 besteht.

Claims

Patentansprüche
1. Gleitstein für Gelenkspindeln an Antrieben von Walzwerken, wobei die Gelenkspindel (1) einen Flachzapfen (2) aufweist, dessen Zunge (3) in eine quer zur Drehachse liegende zylindrische Öffnung eines Spindelkopfes (4) eingreift, zwischen dem und dem Flachzapfen (2) der Gleitstein (5) angeordnet ist, dadurch gekennzeichnet, dass der Gleitstein (5) in Verbundbauweise ausgebildet ist, mit einem metallischen Innenkörper (6) und einer diesen ummantelnden Außenschicht (7) aus Polymerfasermaterial.
2. Gleitstein nach Anspruch 1 , dadurch gekennzeichnet, dass der Innenkörper (6) aus Stahl besteht.
3. Gleitstein nach Anspruch 1 , dadurch gekennzeichnet, dass die Außenschicht aus Kohlefasermaterial besteht.
4. Gleitstein nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Gleitstein (5) aus mehreren Teilsegmenten besteht, die jeweils in Verbundbauweise ausgebildet sind.
EP04709983A 2003-02-13 2004-02-11 Gleitstein für gelenkspindeln Expired - Lifetime EP1592895B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10306542A DE10306542B3 (de) 2003-02-13 2003-02-13 Gleitstein für Gelenkspindeln
DE10306542 2003-02-13
PCT/DE2004/000281 WO2004072501A1 (de) 2003-02-13 2004-02-11 Gleitstein für gelenkspindeln

Publications (2)

Publication Number Publication Date
EP1592895A1 true EP1592895A1 (de) 2005-11-09
EP1592895B1 EP1592895B1 (de) 2008-12-17

Family

ID=32336645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04709983A Expired - Lifetime EP1592895B1 (de) 2003-02-13 2004-02-11 Gleitstein für gelenkspindeln

Country Status (11)

Country Link
US (1) US7721581B2 (de)
EP (1) EP1592895B1 (de)
JP (1) JP4533883B2 (de)
CN (1) CN1735757A (de)
AT (1) ATE418019T1 (de)
DE (2) DE10306542B3 (de)
ES (1) ES2316959T3 (de)
RU (1) RU2005128519A (de)
TW (1) TW200500155A (de)
UA (1) UA83360C2 (de)
WO (1) WO2004072501A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2343028C2 (ru) * 2007-01-09 2009-01-10 Открытое акционерное общество "Северсталь" (ОАО "Северсталь") Уплотнительный узел шпинделя прокатного стана
DE102009053129A1 (de) 2009-11-13 2011-05-19 Sms Siemag Ag Gleitstein für eine Gelenkspindel
DE102011118655A1 (de) 2011-11-12 2013-05-16 Alfred Heyd GmbH & Co. KG Gelenk für eine Gelenkwelle
CN103230938B (zh) * 2013-04-16 2015-12-09 莱芜钢铁集团有限公司 轧机及其自动伸缩型万向联轴器
WO2018183202A1 (en) 2017-03-29 2018-10-04 Angle X, Inc. X-joints and methods of manufacture
WO2021067849A1 (en) * 2019-10-04 2021-04-08 Angle X, Inc. Improved mechanical joints and applications
DE102022119330A1 (de) * 2022-08-02 2024-02-08 Voith Patent Gmbh Walzwerksanordnung zur Übertragung hoher Drehmomente

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
US2251126A (en) * 1940-07-31 1941-07-29 Thomas L Gatke Molded composition slipper bearing
US2460648A (en) * 1944-09-29 1949-02-01 Republic Steel Corp Universal joint for mill drives
US2526072A (en) * 1947-02-08 1950-10-17 American Brake Shoe Co Slipper bearing
US3713791A (en) * 1969-01-17 1973-01-30 G Oakes Slipper bearing
BE768208A (fr) 1970-06-12 1971-11-03 Schwartz & Co G Joint d'articulation en plusieurs pieces
SU553019A1 (ru) 1975-04-11 1977-04-05 Научно-Исследовательский И Опытноконструкторский Институт Автоматизации Черной Металлургии Шарнир универсального шпиндел
US4116028A (en) * 1976-11-02 1978-09-26 Sumitomo Metal Industries, Ltd. Rolling mill
DE2656257A1 (de) * 1976-12-11 1978-06-15 Wuppermann Gmbh Theodor Gelenkstein fuer gelenkspindeln und gelenkkupplungskoepfe von walzwerksantrieben
IT1186911B (it) * 1985-07-18 1987-12-16 Italsider Spa Nuova Dispositivo per la lubrificazione dei pattini delle allunghe degli impianti di laminazione
US5422150A (en) * 1993-12-23 1995-06-06 Hycomp, Inc. Substrate clad with fiber-reinforced polymer composite
DE19861160C5 (de) * 1998-01-14 2005-05-25 Federal-Mogul Wiesbaden Gmbh & Co. Kg Schichtverbundwerkstoff für Gleitelemente
JP2000145784A (ja) * 1998-11-12 2000-05-26 Ndc Co Ltd 樹脂被覆摺動材およびその製造方法
DE19852481C2 (de) * 1998-11-13 2002-09-12 Federal Mogul Wiesbaden Gmbh Schichtverbundwerkstoff für Gleitelemente und Verfahren zu seiner Herstellung
JP3546803B2 (ja) * 2000-04-19 2004-07-28 Ｊｆｅスチール株式会社 スリッパメタル状態監視方法およびこれを適用した圧延方法
DE10114846A1 (de) * 2001-03-24 2002-10-02 Ina Schaeffler Kg Selbsteinstellendes Kupplungsausrücklager
JP2002327750A (ja) * 2001-04-27 2002-11-15 Ntn Corp 複層軸受

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
ATE418019T1 (de) 2009-01-15
JP4533883B2 (ja) 2010-09-01
WO2004072501A1 (de) 2004-08-26
DE10306542B3 (de) 2004-06-24
US7721581B2 (en) 2010-05-25
US20060141251A1 (en) 2006-06-29
ES2316959T3 (es) 2009-04-16
DE502004008686D1 (de) 2009-01-29
RU2005128519A (ru) 2006-01-27
CN1735757A (zh) 2006-02-15
JP2006515410A (ja) 2006-05-25
UA83360C2 (uk) 2008-07-10
EP1592895B1 (de) 2008-12-17
TW200500155A (en) 2005-01-01

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