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IT8422213A0 - PROCEDURE FOR THE PRODUCTION OF CAVITIES IN ROD STEEL BLOCKS. - Google Patents

PROCEDURE FOR THE PRODUCTION OF CAVITIES IN ROD STEEL BLOCKS.

Info

Publication number
IT8422213A0
IT8422213A0 IT8422213A IT2221384A IT8422213A0 IT 8422213 A0 IT8422213 A0 IT 8422213A0 IT 8422213 A IT8422213 A IT 8422213A IT 2221384 A IT2221384 A IT 2221384A IT 8422213 A0 IT8422213 A0 IT 8422213A0
Authority
IT
Italy
Prior art keywords
cavities
procedure
production
steel blocks
rod steel
Prior art date
Application number
IT8422213A
Other languages
Italian (it)
Other versions
IT1174638B (en
Inventor
Peter Odenthal
Werner Wintergerst
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 IT8422213A0 publication Critical patent/IT8422213A0/en
Application granted granted Critical
Publication of IT1174638B publication Critical patent/IT1174638B/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
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/10—Piercing billets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Arc Welding In General (AREA)
IT22213/84A 1983-08-02 1984-08-02 PROCEDURE FOR THE PRODUCTION OF CAVITIES IN STEEL ROUND BLOCKS IT1174638B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833328269 DE3328269A1 (en) 1983-08-02 1983-08-02 METHOD FOR PRODUCING A HOLLOW BODY

Publications (2)

Publication Number Publication Date
IT8422213A0 true IT8422213A0 (en) 1984-08-02
IT1174638B IT1174638B (en) 1987-07-01

Family

ID=6205834

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22213/84A IT1174638B (en) 1983-08-02 1984-08-02 PROCEDURE FOR THE PRODUCTION OF CAVITIES IN STEEL ROUND BLOCKS

Country Status (5)

Country Link
JP (1) JPS6056407A (en)
DE (1) DE3328269A1 (en)
FR (1) FR2550114A1 (en)
GB (1) GB2144360A (en)
IT (1) IT1174638B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3530343A1 (en) * 1985-08-24 1987-02-26 Kocks Technik HOLLOW ROLLING METHOD
MX2010010816A (en) * 2008-03-31 2010-11-05 Sumitomo Metal Ind Method of producing seamless metal tube and punch for use therein.
DE102012107041B4 (en) 2012-08-01 2014-05-15 Benteler Deutschland Gmbh Method and device for producing a metallic hollow block from a metallic block
DE202023100646U1 (en) 2023-02-10 2023-03-03 GMT Gesellschaft für metallurgische Technologie- und Softwareentwicklung mbH Three-high cross-rolling mill for the manufacture of rotationally symmetrical long products in a single-stage rolling process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE100001C (en) *
DE257010C (en) *
FR1322166A (en) * 1961-12-29 1963-03-29 Fritz Marti & Fils New process for drilling slips in alloy or non-alloy steels by cold extrusion
DE1302427B (en) * 1963-07-04 1972-05-04 Calmes, Jean-Paul, Mont-sur-Lausanne (Schweiz) Process for the production of a cylindrical hollow body by press hole rolling
US3633063A (en) * 1967-02-08 1972-01-04 Ibigawa Electric Ind Co Ltd Successively joinable carbon electrode for gouging metallic articles
DE2635342C2 (en) * 1976-08-03 1981-09-24 Mannesmann AG, 4000 Düsseldorf Press for hot punching a metal block
US4103530A (en) * 1977-04-18 1978-08-01 Aetna-Standard Engineering Company Self-centering punch for billet centering machine or the like

Also Published As

Publication number Publication date
IT1174638B (en) 1987-07-01
FR2550114A1 (en) 1985-02-08
DE3328269A1 (en) 1985-02-21
JPS6056407A (en) 1985-04-02
GB8419597D0 (en) 1984-09-05
GB2144360A (en) 1985-03-06

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