EP0476793A3 - Rolling mill for stretching hollow blanks on a mandril - Google Patents

Rolling mill for stretching hollow blanks on a mandril Download PDF

Info

Publication number
EP0476793A3
EP0476793A3 EP19910250236 EP91250236A EP0476793A3 EP 0476793 A3 EP0476793 A3 EP 0476793A3 EP 19910250236 EP19910250236 EP 19910250236 EP 91250236 A EP91250236 A EP 91250236A EP 0476793 A3 EP0476793 A3 EP 0476793A3
Authority
EP
European Patent Office
Prior art keywords
mandril
rolling mill
hollow blanks
stretching hollow
stretching
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
EP19910250236
Other languages
German (de)
Other versions
EP0476793A2 (en
EP0476793B1 (en
Inventor
Johann Heinrich Rohde
Jochen Vochsen
Rolf Passmann
Karl Heinz Haeusler
Alfred Lampe
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.)
Vodafone GmbH
Original Assignee
Mannesmann 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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP0476793A2 publication Critical patent/EP0476793A2/en
Publication of EP0476793A3 publication Critical patent/EP0476793A3/en
Application granted granted Critical
Publication of EP0476793B1 publication Critical patent/EP0476793B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B17/00Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/02Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
    • B21B17/04Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B13/00Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/08Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
    • B21B13/12Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process axes being arranged in different planes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B35/00Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/10Driving arrangements for rolls which have only a low-power drive; Driving arrangements for rolls which receive power from the shaft of another roll

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Metal Rolling (AREA)
  • Control Of Metal Rolling (AREA)
EP91250236A 1990-09-19 1991-08-27 Rolling mill for stretching hollow blanks on a mandril Expired - Lifetime EP0476793B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4030046 1990-09-19
DE4030046 1990-09-19

Publications (3)

Publication Number Publication Date
EP0476793A2 EP0476793A2 (en) 1992-03-25
EP0476793A3 true EP0476793A3 (en) 1992-05-27
EP0476793B1 EP0476793B1 (en) 1995-04-19

Family

ID=6414763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91250236A Expired - Lifetime EP0476793B1 (en) 1990-09-19 1991-08-27 Rolling mill for stretching hollow blanks on a mandril

Country Status (6)

Country Link
EP (1) EP0476793B1 (en)
JP (1) JPH04231105A (en)
CZ (1) CZ281022B6 (en)
DE (1) DE59105240D1 (en)
RU (1) RU2048936C1 (en)
SK (1) SK278793B6 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2614974C1 (en) * 2015-10-01 2017-03-31 Открытое акционерное общество "Российский научно-исследовательский институт трубной промышленности" (ОАО "РосНИТИ") Method of continuous rolling and continuous multistand mill for implementation thereof
CN112570448B (en) * 2020-11-27 2023-04-14 中北大学 Large-scale rectangular section manufacturing equipment with inner rib belt guide rail

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2041937A (en) * 1934-10-27 1936-05-26 Alfina Immobilien Finanzierung Tube rolling process
DE1427915A1 (en) * 1962-11-29 1969-08-14 Kocks Gmbh Friedrich Method and device for manufacturing seamless tubes
DE1935351A1 (en) * 1968-07-12 1970-01-15 Blaw Knox Co Method and device for the production of seamless metal tubes
DE3914016C1 (en) * 1989-04-25 1990-07-26 Mannesmann Ag, 4000 Duesseldorf, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2041937A (en) * 1934-10-27 1936-05-26 Alfina Immobilien Finanzierung Tube rolling process
DE1427915A1 (en) * 1962-11-29 1969-08-14 Kocks Gmbh Friedrich Method and device for manufacturing seamless tubes
DE1935351A1 (en) * 1968-07-12 1970-01-15 Blaw Knox Co Method and device for the production of seamless metal tubes
DE3914016C1 (en) * 1989-04-25 1990-07-26 Mannesmann Ag, 4000 Duesseldorf, De

Also Published As

Publication number Publication date
SK286191A3 (en) 1996-04-03
CZ281022B6 (en) 1996-05-15
RU2048936C1 (en) 1995-11-27
DE59105240D1 (en) 1995-05-24
JPH04231105A (en) 1992-08-20
EP0476793A2 (en) 1992-03-25
SK278793B6 (en) 1998-03-04
CZ286191A3 (en) 1993-02-17
EP0476793B1 (en) 1995-04-19

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