EP1251984B1 - Rollenbestücktes führungssegment an einer stranggiessanlage - Google Patents

Rollenbestücktes führungssegment an einer stranggiessanlage Download PDF

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Publication number
EP1251984B1
EP1251984B1 EP01911523A EP01911523A EP1251984B1 EP 1251984 B1 EP1251984 B1 EP 1251984B1 EP 01911523 A EP01911523 A EP 01911523A EP 01911523 A EP01911523 A EP 01911523A EP 1251984 B1 EP1251984 B1 EP 1251984B1
Authority
EP
European Patent Office
Prior art keywords
bearings
roller
roller body
bodies
designed
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 - Lifetime
Application number
EP01911523A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1251984A1 (de
Inventor
Erich Bergmans
Gerhard Grelewitz
Walter Krume
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.)
ThyssenKrupp Steel Europe AG
Original Assignee
ThyssenKrupp Stahl 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 ThyssenKrupp Stahl AG filed Critical ThyssenKrupp Stahl AG
Publication of EP1251984A1 publication Critical patent/EP1251984A1/de
Application granted granted Critical
Publication of EP1251984B1 publication Critical patent/EP1251984B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/0405—Rotating moulds

Definitions

  • the invention relates to a roll-loaded Guide segment on a continuous caster, in which at least some roles at least two each aligned, with roller ends on the inside and Include external bearings mounted roller body, the Bottom bracket as a floating bearing in the form of full complement High-performance bearings and the external bearings as fixed bearings are trained.
  • Roller-mounted guide segments on continuous casting machines serve the from the mold with a still liquid core emerging, ribbon-shaped strand over an arch to convert the vertical to the horizontal.
  • the mechanical stress that occurs Roller storage is large, especially on the outer arch of the Guide. That is why it is common for the leadership segments not with itself across the entire strand width extending, one-piece roles with multi-part, especially with two aligned Role bodies. Because on the one hand the rollers are axially fixed must be stored and on the other hand fixed bearings perform this task, a lower mechanical Load than only available in the form of floating bearings full complement high performance bearings, e.g.
  • CARB warehouse of The SKF company, well tolerated, has been with the Equipping guide segments with roles passed, two aligned reel bodies each Use role, its external bearings as a fixed bearing and their bottom bracket as a floating bearing in the form of full complement CARB bearings are trained. With the formation of the bottom bracket as a special floating bearing the higher load of the Roll through the strand in the area of the middle of the strand Taken into account.
  • the invention is based on the object role-equipped guide segment on one Continuous caster to create that compared to one Guide segment with two reel bodies per reel is mechanically more resilient.
  • the higher one Resilience of the at least three-part role achieves that in the middle support area of the strand, where the role has to provide the greatest support, only the highly resilient full complement floating bearings are used come.
  • CARB bearings from SKF. It is but conceivable that others of resilience comparable floating bearings can be used.
  • the for this floating bearing limits the permissible axial mobility is only due to the external fixed bearings the outer roller body is limited. With the outer Role bodies do this directly via their outer fixed bearing and the middle roller body over the stops on the axially fixed outer Role bodies.
  • the fixed bearings are preferably Spherical roller bearings.
  • the axial mobility of the limit the middle roller body in that the two inner roller journal of the outer roller body and / or the roller journals of the middle roller body on theirs Face thrust washers that support the axial play limit the middle roller body so that it is in cold condition of the roller body ⁇ the permissible axial Mobility of the floating bearings of the middle roller body and> as the sum of the maximum axial thermal expansion is the reel body.
  • the bearing rings of the floating bearing of the outer Roll body in their cold state to each other like this are axially offset that they are in the warm operating condition Condition in their optimal storage position.
  • Figure 2 The role of Figure 2 consists of three in alignment arranged roller bodies 4,5,6, each with end roller pin 4a, 4b, 5a, 5b, 6a, 6b in rolling bearings 7a, 8a, 8b, 9a, 9b, 10a are supported by bearing blocks 7,8,9,10 of the guide segment 3b are worn.
  • the outer bearings 7a, 10a of the two outer roller bodies 4, 6 are designed as fixed bearings, while all others Bearings 8a, 8b, 9a, 9b are designed as floating bearings.
  • the two fixed bearings 7a, 10a are conventional Spherical roller bearings via which the journals 4a, 6b compared to their bearing blocks 7.10 in the guide segment axially are fixed. All other bearings 8a, 8b, 9a, 9b are as special heavy-duty floating bearings designed. In particular, there are full complement roller bearings with light weight crowned rollers suitable at comparatively high Are capable of misalignment and Compensate for axial displacements. this Quality requirements, for example, currently satisfy CARB bearings from SKF.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Support Of The Bearing (AREA)
  • Rolling Contact Bearings (AREA)
  • Continuous Casting (AREA)
EP01911523A 2000-01-31 2001-01-24 Rollenbestücktes führungssegment an einer stranggiessanlage Expired - Lifetime EP1251984B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10003846A DE10003846C2 (de) 2000-01-31 2000-01-31 Rollenbestücktes Führungssegment an einer Stranggießanlage
DE10003846 2000-01-31
PCT/EP2001/000760 WO2001056724A1 (de) 2000-01-31 2001-01-24 Rollenbestücktes führungssegment an einer stranggiessanlage

Publications (2)

Publication Number Publication Date
EP1251984A1 EP1251984A1 (de) 2002-10-30
EP1251984B1 true EP1251984B1 (de) 2003-07-16

Family

ID=7629131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01911523A Expired - Lifetime EP1251984B1 (de) 2000-01-31 2001-01-24 Rollenbestücktes führungssegment an einer stranggiessanlage

Country Status (7)

Country Link
US (1) US6736189B2 (es)
EP (1) EP1251984B1 (es)
AT (1) ATE245071T1 (es)
AU (1) AU2001240539A1 (es)
DE (2) DE10003846C2 (es)
ES (1) ES2202280T3 (es)
WO (1) WO2001056724A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10211802C1 (de) * 2002-03-16 2003-10-02 Thyssenkrupp Stahl Ag Drehdurchführung für die Kühlwasserzu- und -ableitung einer endseitig drehgelagerten Stütz- und/oder Transportrolle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT337383B (de) 1974-10-22 1977-06-27 Voest Ag Stranggiessanlage
CH596911A5 (es) * 1976-09-24 1978-03-31 Concast Ag
AT344349B (de) * 1976-10-13 1978-07-10 Voest Ag Strangfuehrungsrolle fuer stranggiessanlagen
US4351383A (en) * 1980-04-10 1982-09-28 Gladwin Corporation Bearings for continuous casting roller aprons
US5649889A (en) * 1994-10-06 1997-07-22 Bethlehem Steel Corporation Stress alleviating guide roll for high temperature applications
AT407721B (de) * 1999-06-02 2001-05-25 Voest Alpine Ind Anlagen Strangführungsrolle
DE20021514U1 (de) * 2000-12-20 2001-04-05 Skf Gmbh, 97421 Schweinfurt Lageranordnung für eine Walze einer Stranggießanlage

Also Published As

Publication number Publication date
ES2202280T3 (es) 2004-04-01
WO2001056724A1 (de) 2001-08-09
US6736189B2 (en) 2004-05-18
DE10003846A1 (de) 2001-08-23
AU2001240539A1 (en) 2001-08-14
DE50100385D1 (de) 2003-08-21
DE10003846C2 (de) 2002-02-21
EP1251984A1 (de) 2002-10-30
ATE245071T1 (de) 2003-08-15
US20030075302A1 (en) 2003-04-24

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