MX2010010439A - Method for producing seamless pipe. - Google Patents

Method for producing seamless pipe.

Info

Publication number
MX2010010439A
MX2010010439A MX2010010439A MX2010010439A MX2010010439A MX 2010010439 A MX2010010439 A MX 2010010439A MX 2010010439 A MX2010010439 A MX 2010010439A MX 2010010439 A MX2010010439 A MX 2010010439A MX 2010010439 A MX2010010439 A MX 2010010439A
Authority
MX
Mexico
Prior art keywords
pass line
seamless pipe
pair
plug
main roll
Prior art date
Application number
MX2010010439A
Other languages
Spanish (es)
Inventor
Shimoda Kazuhiro
Yamakawa Tomio
Inage Takateru
Original Assignee
Sumitomo Metal Ind
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=41113451&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX2010010439(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sumitomo Metal Ind filed Critical Sumitomo Metal Ind
Publication of MX2010010439A publication Critical patent/MX2010010439A/en

Links

Classifications

    • 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
    • B21B19/02—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 diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • 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
    • B21B27/024—Rolls for bars, rods, rounds, tubes, wire or the like
    • B21B27/025—Skew rolls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

A method for producing a seamless pipe by performing the piercing rolling of round billets heated to 1250°C or less by means of a piercer where plugs are arranged along a pass line between a pair of inclined rolls and a pair of guide means arranged opposed to each other around the pass line, wherein perforated rolling is performed under conditions which satisfy following expressions (1) to (3): -1.0<Δθ ... (1) Δθ=θp-θr ... (2) -0.37×Δθ+1.47≤Rn≤0.37×Δθ+2.67 ... (3) wherein the meaning of each symbol in the expressions is as follows. θr: half angle (°) that the pass line and a main roll surface make under a state where the angle of inclination of the main roll is zero, θp: half angle (°) that the pass line and a reeling portion of the plug make, and, Rn: number of times of reeling the plug.
MX2010010439A 2008-03-27 2009-02-27 Method for producing seamless pipe. MX2010010439A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008082734 2008-03-27
PCT/JP2009/053652 WO2009119245A1 (en) 2008-03-27 2009-02-27 Method for producing seamless pipe

Publications (1)

Publication Number Publication Date
MX2010010439A true MX2010010439A (en) 2011-03-21

Family

ID=41113451

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2010010439A MX2010010439A (en) 2008-03-27 2009-02-27 Method for producing seamless pipe.

Country Status (7)

Country Link
US (1) US20110023569A1 (en)
EP (1) EP2281641A4 (en)
JP (1) JP4471134B2 (en)
CN (1) CN101980802A (en)
BR (1) BRPI0910031B1 (en)
MX (1) MX2010010439A (en)
WO (1) WO2009119245A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2016276503B2 (en) * 2015-06-10 2020-01-23 Jun Zhou Method, module and apparatus for roll-processing external pipe thread, and external pipe thread production line
US11273483B2 (en) * 2016-12-13 2022-03-15 Shanghai Pan-China Fastening System Co., Ltd. Threading method, rolling head, apparatus, module and production line for pipe thread, and products thereof
CN111589869B (en) * 2020-01-09 2023-08-18 安徽汉正轴承科技有限公司 High-strength and high-toughness two-roller oblique rolling perforation method for 2219 aluminum alloy pipe
CN116393515B (en) * 2023-06-09 2023-08-04 太原理工大学 Continuous rolling equipment and method for thermal controllable interface of seamless metal composite pipe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3228169B2 (en) 1997-03-07 2001-11-12 住友金属工業株式会社 Plug for piercing and rolling of seamless metal pipe and method of manufacturing seamless metal pipe using this plug
JP3823762B2 (en) * 2001-06-13 2006-09-20 住友金属工業株式会社 Seamless metal pipe manufacturing method
WO2004052569A1 (en) * 2002-12-12 2004-06-24 Sumitomo Metal Industries, Ltd. Seamless metal tube producing method

Also Published As

Publication number Publication date
CN101980802A (en) 2011-02-23
EP2281641A1 (en) 2011-02-09
US20110023569A1 (en) 2011-02-03
BRPI0910031B1 (en) 2020-07-14
JP4471134B2 (en) 2010-06-02
EP2281641A4 (en) 2013-10-02
BRPI0910031A2 (en) 2018-09-11
WO2009119245A1 (en) 2009-10-01
JPWO2009119245A1 (en) 2011-07-21

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Legal Events

Date Code Title Description
GB Transfer or rights

Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION.*

FA Abandonment or withdrawal