FR2128434A1 - Reduction stand for profiled tubes - allows only the rolls to be simply removed when changing tube format - Google Patents

Reduction stand for profiled tubes - allows only the rolls to be simply removed when changing tube format

Info

Publication number
FR2128434A1
FR2128434A1 FR7206923A FR7206923A FR2128434A1 FR 2128434 A1 FR2128434 A1 FR 2128434A1 FR 7206923 A FR7206923 A FR 7206923A FR 7206923 A FR7206923 A FR 7206923A FR 2128434 A1 FR2128434 A1 FR 2128434A1
Authority
FR
France
Prior art keywords
rolls
allows
simply removed
reduction stand
changing tube
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.)
Pending
Application number
FR7206923A
Other languages
French (fr)
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.)
Fried Krupp AG Hoesch Krupp
Original Assignee
Hoesch 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 Hoesch AG filed Critical Hoesch AG
Publication of FR2128434A1 publication Critical patent/FR2128434A1/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B27/00Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02Shape or construction of rolls
    • B21B27/03Sleeved rolls
    • B21B27/035Rolls for bars, rods, rounds, tubes, wire or the like
    • 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
    • B21B13/10Metal-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 all axes being arranged in one plane
    • B21B13/103Metal-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 all axes being arranged in one plane for rolling bars, rods or wire
    • 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
    • B21B17/14Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/20Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • 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
    • B21B13/10Metal-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 all axes being arranged in one plane

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Rolling Contact Bearings (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Metal Extraction Processes (AREA)

Abstract

Drawing reduction stand has rolls turning on shafts housed in support rings (I) with roller bearings. The rolls comprise a roll core with a cylindrical ring (II) surrounding it and the internal dia. of (II) is > the external dia. of (I).
FR7206923A 1971-03-01 1972-02-29 Reduction stand for profiled tubes - allows only the rolls to be simply removed when changing tube format Pending FR2128434A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712109529 DE2109529A1 (en) 1971-03-01 1971-03-01 Stretch reducer for profile tubes in particular

Publications (1)

Publication Number Publication Date
FR2128434A1 true FR2128434A1 (en) 1972-10-20

Family

ID=5800108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7206923A Pending FR2128434A1 (en) 1971-03-01 1972-02-29 Reduction stand for profiled tubes - allows only the rolls to be simply removed when changing tube format

Country Status (4)

Country Link
BE (1) BE779930A (en)
DE (1) DE2109529A1 (en)
FR (1) FR2128434A1 (en)
IT (1) IT948722B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042124A1 (en) * 1980-06-10 1981-12-23 MANNESMANN Aktiengesellschaft Roll for a double two-high reversing roll stand with counter-rotating pairs of rolls

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042124A1 (en) * 1980-06-10 1981-12-23 MANNESMANN Aktiengesellschaft Roll for a double two-high reversing roll stand with counter-rotating pairs of rolls

Also Published As

Publication number Publication date
IT948722B (en) 1973-06-11
BE779930A (en) 1972-06-16
DE2109529A1 (en) 1972-09-21

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