EP0049771A2 - Disque à laminer - Google Patents

Disque à laminer Download PDF

Info

Publication number
EP0049771A2
EP0049771A2 EP81107317A EP81107317A EP0049771A2 EP 0049771 A2 EP0049771 A2 EP 0049771A2 EP 81107317 A EP81107317 A EP 81107317A EP 81107317 A EP81107317 A EP 81107317A EP 0049771 A2 EP0049771 A2 EP 0049771A2
Authority
EP
European Patent Office
Prior art keywords
ring
rolling disc
support ring
working
disc according
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
EP81107317A
Other languages
German (de)
English (en)
Other versions
EP0049771B1 (fr
EP0049771A3 (en
Inventor
Heribert Labouvie
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 Technologies AG
Original Assignee
Thyssen Industrie 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6114270&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0049771(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thyssen Industrie AG filed Critical Thyssen Industrie AG
Priority to AT81107317T priority Critical patent/ATE10447T1/de
Publication of EP0049771A2 publication Critical patent/EP0049771A2/fr
Publication of EP0049771A3 publication Critical patent/EP0049771A3/de
Application granted granted Critical
Publication of EP0049771B1 publication Critical patent/EP0049771B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B21B27/03—Sleeved rolls
    • B21B27/035—Rolls for bars, rods, rounds, tubes, wire or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B21B27/03—Sleeved rolls

Definitions

  • the invention relates to a rolling disc for the rolling of profiles, pipes and round material.
  • Rolling disks of this type work in pairs, often also in groups of three, at a mutual angle of 120 ° to one another and form the profile between their appropriately designed end faces. The resulting load is high, which leads to short downtimes.
  • relatively tough materials have to be used for the rolling disks, which are not favorable in terms of their wear behavior. If the shaping surface of the roller disks wears, they can be turned a few more times; then the rest of the roller disc must be scrapped, since the diameter would be too small if it were reworked.
  • roller disc of the above type in that the roller disc is constructed in several parts from at least two concentric rings, an inner support ring and an outer working ring is, which have mutually adapted, mutual contact surfaces and that the two rings are glued together with a narrow adhesive gap.
  • the invention can be advantageously configured as follows.
  • the very small layer thickness of the adhesive layer during adhesive shrinking leads to only a very low heat transfer resistance between the working ring and the supporting ring and thus to good heat dissipation from the working ring via the supporting ring and the roller axis holding it. As a result, there are only slight differences in temperature when rolling between the working ring and the support ring, which promotes the firm bond between the two, even under thermal stress.
  • the working ring can also be attached to the support ring without shrinking by simply gluing.
  • the invention recommends that the outer diameter of the support ring by approx. Is 0.20 to 0.50 mm smaller than the inner diameter of the working ring. This results in adhesive gaps between 0.10 and 0.25 mm. Adhesive gaps between 0.15 and 0.20 mm are particularly favorable.
  • the contact surfaces of the support ring and the working ring are roughened. This significantly increases the strength of the connection.
  • the roughening ensures that the adhesive is not sheared off, but is instead introduced into the gap; in addition, the surface enlargement, which represents an increase in the area acted upon by the shear force when the rollers are working, acts in the Meaning of a reduction in the specific shear force.
  • a roughness of 100 to 150 pm, in particular from 120 to 130 pm, has proven to be advantageous.
  • the removal of the worn working ring is easier than in the embodiment with adhesive shrinking.
  • One-component epoxy-based adhesives with phenolic resin or nylon resin addition are also ideally suited with regard to shear tensile strength, deformability and aging resistance; Hardening is more difficult with these adhesives, which only takes place satisfactorily under heat of 100 to 150 ° C under the appropriate contact pressure. This makes this adhesive particularly suitable for adhesive shrinking when the working ring is heated to pull it open. The heat brings the necessary heating of the adhesive, the contraction when cooling the contact pressure.
  • a good centering and exactly aligned alignment of the axes of the supporting ring and the working ring are achieved in that the mutual contact surfaces of the supporting ring and the working ring are essentially cylindrical surfaces and one of the cylindrical surfaces on the edge has a flange projection and the other cylindrical surface on the corresponding edge is adapted to the flange Has groove.
  • the execution is simpler in terms of processing, in which the support ring has a flange and the groove is fitted in the working ring.
  • the support ring can consist of a normal structural steel, such as St 37, which has good strength and toughness properties, since the steel is not subjected to wear.
  • the supporting ring 1 and the working ring 2 have mutually adapted, mutually contact surfaces 3, 4, namely cylindrical surfaces 3 on the supporting ring 1 and 4 on the working ring 2.
  • the cylindrical surface 3 has a flange projection 5 on the edge and the Cylinder surface 4 a groove 6 adapted to the flange.
  • the diameter of the support ring 1 is 0.3 o / oo larger than the inside diameter of the work ring 2.
  • the contact surfaces of the work ring 2 and the support ring 1 have been ground to a roughness of 15 to 20 ⁇ m.
  • the working ring 2 has been heated, the support ring 1 has been thinly coated with silicon-phenol-modified two-component epoxy adhesive and the parts have been joined together.
  • This roller disc which is made up of a total of 3 rings, has been used for a long time in production, the adhesive shrink connection between the support ring 1 and the working ring 2 having persisted, so that the securing ring 10 did not have to come into operation.

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
EP81107317A 1980-10-13 1981-09-16 Disque à laminer Expired EP0049771B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81107317T ATE10447T1 (de) 1980-10-13 1981-09-16 Walzscheibe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3038628 1980-10-13
DE19803038628 DE3038628A1 (de) 1980-10-13 1980-10-13 Walzscheibe

Publications (3)

Publication Number Publication Date
EP0049771A2 true EP0049771A2 (fr) 1982-04-21
EP0049771A3 EP0049771A3 (en) 1982-06-02
EP0049771B1 EP0049771B1 (fr) 1984-11-28

Family

ID=6114270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81107317A Expired EP0049771B1 (fr) 1980-10-13 1981-09-16 Disque à laminer

Country Status (3)

Country Link
EP (1) EP0049771B1 (fr)
AT (1) ATE10447T1 (fr)
DE (2) DE3038628A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0655295A1 (fr) * 1993-11-25 1995-05-31 Günter Schroeder Corps métallique et procédé pour sa fabrication
EP2147728A4 (fr) * 2007-05-21 2013-05-22 Mitsubishi Materials Corp Cylindre de laminage et lamineur

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1627759A1 (de) * 1966-09-19 1970-09-24 Mitsubishi Steel Mfg Aufgebaute Walze fuer Vierfachwalzwerke und Verfahren zu deren Herstellung
DE1805613A1 (de) * 1968-10-28 1970-07-02 Gerd Wolff Maschinenfabrik Vorrichtung zur Befestigung eines rohrfoermigen Walzenmantels auf einen Walzenkern
DE2064044A1 (fr) * 1970-12-28
SE371114B (fr) * 1971-01-08 1974-11-11 Seco Tools Ab
AT326079B (de) * 1972-03-30 1975-11-25 Assmann Guenter Werkzeug
US3820212A (en) * 1972-10-05 1974-06-28 United States Steel Corp Method of forming composite rolls
LU70753A1 (fr) * 1974-08-19 1976-08-19
SE380450B (sv) * 1975-01-31 1975-11-10 Seco Tools Ab Kompositvals

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0655295A1 (fr) * 1993-11-25 1995-05-31 Günter Schroeder Corps métallique et procédé pour sa fabrication
US5647831A (en) * 1993-11-25 1997-07-15 Schroeder; Gunther Metal part and process for its production
EP2147728A4 (fr) * 2007-05-21 2013-05-22 Mitsubishi Materials Corp Cylindre de laminage et lamineur
US8770004B2 (en) 2007-05-21 2014-07-08 Mitsubishi Materials Corporation Rolling mill roll and rolling mill machine

Also Published As

Publication number Publication date
EP0049771B1 (fr) 1984-11-28
DE3038628A1 (de) 1982-05-27
DE3167485D1 (en) 1985-01-10
EP0049771A3 (en) 1982-06-02
ATE10447T1 (de) 1984-12-15

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