FR2026415A1 - Bar and pipe diameter reduction device - Google Patents

Bar and pipe diameter reduction device

Info

Publication number
FR2026415A1
FR2026415A1 FR6943210A FR6943210A FR2026415A1 FR 2026415 A1 FR2026415 A1 FR 2026415A1 FR 6943210 A FR6943210 A FR 6943210A FR 6943210 A FR6943210 A FR 6943210A FR 2026415 A1 FR2026415 A1 FR 2026415A1
Authority
FR
France
Prior art keywords
bar
reduction device
pipe diameter
diameter reduction
group
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.)
Withdrawn
Application number
FR6943210A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2026415A1 publication Critical patent/FR2026415A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/12—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially parallel to the axis of the work
    • B21B19/14—Rolling tubes by means of additional rollers arranged inside the tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

Rolling mill for reducing bar or tube-shaped rolled material to a required diameter comprises in the feeding device for the material, in subsequent places each time, a group of at least 3 rollers, distributed symmetrically around the material axis, which are borne in bearings around the material and which rotate parallel or at a slight tangential angle to the material axis, with the radial distance of the roller mantle from the material axis reducing from roller group to roller group.
FR6943210A 1968-12-18 1969-12-12 Bar and pipe diameter reduction device Withdrawn FR2026415A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681815301 DE1815301A1 (en) 1968-12-18 1968-12-18 Rolling mill for reducing rod-shaped or tubular rolling stock to a certain round cross-section

Publications (1)

Publication Number Publication Date
FR2026415A1 true FR2026415A1 (en) 1970-10-18

Family

ID=5716541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6943210A Withdrawn FR2026415A1 (en) 1968-12-18 1969-12-12 Bar and pipe diameter reduction device

Country Status (2)

Country Link
DE (1) DE1815301A1 (en)
FR (1) FR2026415A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0955110A2 (en) * 1998-05-07 1999-11-10 Leico GmbH & Co. Werkzeugmaschinenbau Method and device for flow-turning
EP1029614A1 (en) * 1999-02-19 2000-08-23 Leico GmbH & Co. Werkzeugmaschinenbau Flow-turning device and method for forming a workpiece

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109877160B (en) * 2019-04-09 2020-03-31 浙江鼎尚不锈钢有限公司 Four-roller reducing mill for high-precision seamless steel pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0955110A2 (en) * 1998-05-07 1999-11-10 Leico GmbH & Co. Werkzeugmaschinenbau Method and device for flow-turning
EP0955110A3 (en) * 1998-05-07 2000-05-24 Leico GmbH & Co. Werkzeugmaschinenbau Method and device for flow-turning
EP1029614A1 (en) * 1999-02-19 2000-08-23 Leico GmbH & Co. Werkzeugmaschinenbau Flow-turning device and method for forming a workpiece

Also Published As

Publication number Publication date
DE1815301A1 (en) 1970-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse