CS221945B2 - Punching mill for making the seamless pipes - Google Patents

Punching mill for making the seamless pipes Download PDF

Info

Publication number
CS221945B2
CS221945B2 CS811481A CS148181A CS221945B2 CS 221945 B2 CS221945 B2 CS 221945B2 CS 811481 A CS811481 A CS 811481A CS 148181 A CS148181 A CS 148181A CS 221945 B2 CS221945 B2 CS 221945B2
Authority
CS
Czechoslovakia
Prior art keywords
shoulder
circular
axis
plane
punch
Prior art date
Application number
CS811481A
Other languages
Czech (cs)
English (en)
Inventor
Detfel Ramdohr
Walter Knauf
Karl-Heinz Brensing
Rolf Kummerling
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 CS221945B2 publication Critical patent/CS221945B2/cs

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
    • B21B19/06—Rolling hollow basic material, e.g. Assel mills
    • B21B19/10—Finishing, e.g. smoothing, sizing, reeling

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)
CS811481A 1980-04-01 1981-03-02 Punching mill for making the seamless pipes CS221945B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803013127 DE3013127A1 (de) 1980-04-01 1980-04-01 Schraegwalzwerk zum herstellen nahtloser rohre

Publications (1)

Publication Number Publication Date
CS221945B2 true CS221945B2 (en) 1983-04-29

Family

ID=6099299

Family Applications (1)

Application Number Title Priority Date Filing Date
CS811481A CS221945B2 (en) 1980-04-01 1981-03-02 Punching mill for making the seamless pipes

Country Status (6)

Country Link
US (1) US4392369A (enExample)
CS (1) CS221945B2 (enExample)
DE (1) DE3013127A1 (enExample)
FR (1) FR2479037A1 (enExample)
GB (1) GB2072558B (enExample)
IT (1) IT1135448B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU562483B2 (en) * 1982-06-30 1987-06-11 Sumitomo Metal Industries Ltd. Reduction rolling to produce circular bar material
DE3536046A1 (de) * 1985-10-09 1987-04-16 Kocks Technik Verfahren, anlage und walzstrasse zum herstellen nahtloser rohre
DE4007406C2 (de) * 1990-03-06 1994-01-20 Mannesmann Ag Verfahren zur Herstellung von mittel- und dünnwandigen nahtlosen Rohren und Walzeinrichtung zur Durchführung des Verfahrens
DE59501490D1 (de) * 1994-11-17 1998-04-02 Mannesmann Ag Kalibrierung von Asselwalzen
US6223577B1 (en) 1999-11-04 2001-05-01 Panelmaster International, Inc. Automated profile control—roll forming
FI114901B (fi) * 2000-12-20 2005-01-31 Outokumpu Oy Menetelmä ja laitteisto putkien valmistamiseksi valssaamalla
FI114900B (fi) * 2000-12-20 2005-01-31 Outokumpu Oy Menetelmä ja laitteisto putkien valmistamiseksi
CN102172627B (zh) * 2010-12-28 2013-06-12 曾建伟 一种复合绝缘子金具螺旋孔型斜轧轧辊孔型的设计方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US817796A (en) * 1904-04-01 1906-04-17 Nat Tube Co Apparatus for cross-rolling tubular bodies or blanks.
GB285896A (enExample) * 1927-02-25 1928-11-08 Martin Roeckner
US1897770A (en) * 1927-07-16 1933-02-14 Severin Jose Apparatus for rolling seamless tubes
US2060767A (en) * 1933-02-15 1936-11-10 Timken Roller Bearing Co Process of rolling tubes and rods
US2060768A (en) * 1936-08-07 1936-11-10 Timken Roller Bearing Co Tube mill
GB651774A (en) * 1946-09-27 1951-04-11 Calumet And Hecla Cons Copper Improved machine for forming finned tubing

Also Published As

Publication number Publication date
FR2479037B1 (enExample) 1985-02-15
US4392369A (en) 1983-07-12
GB2072558A (en) 1981-10-07
IT8119707A0 (it) 1981-02-13
GB2072558B (en) 1983-07-06
FR2479037A1 (fr) 1981-10-02
IT1135448B (it) 1986-08-20
DE3013127A1 (de) 1981-10-15

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