CA994713A - Piercing process - Google Patents

Piercing process

Info

Publication number
CA994713A
CA994713A CA172,952A CA172952A CA994713A CA 994713 A CA994713 A CA 994713A CA 172952 A CA172952 A CA 172952A CA 994713 A CA994713 A CA 994713A
Authority
CA
Canada
Prior art keywords
piercing process
piercing
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.)
Expired
Application number
CA172,952A
Other versions
CA172952S (en
Inventor
William J. Cauley
Joseph F. Maykuth
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Application granted granted Critical
Publication of CA994713A publication Critical patent/CA994713A/en
Expired legal-status Critical Current

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
    • B21B25/04—Cooling or lubricating mandrels during operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)
  • Forging (AREA)
CA172,952A 1972-07-17 1973-05-31 Piercing process Expired CA994713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00272614A US3818733A (en) 1972-07-17 1972-07-17 Piercing process

Publications (1)

Publication Number Publication Date
CA994713A true CA994713A (en) 1976-08-10

Family

ID=23040544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA172,952A Expired CA994713A (en) 1972-07-17 1973-05-31 Piercing process

Country Status (3)

Country Link
US (1) US3818733A (en)
JP (1) JPS5116382B2 (en)
CA (1) CA994713A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2635342C2 (en) * 1976-08-03 1981-09-24 Mannesmann AG, 4000 Düsseldorf Press for hot punching a metal block
JPS5849327B2 (en) * 1980-04-21 1983-11-04 新日本製鐵株式会社 Pipe rolling method
JP2900804B2 (en) * 1994-10-18 1999-06-02 日本鋼管株式会社 Manufacturing method of seamless steel pipe with excellent plug durability
US5778714A (en) * 1995-05-19 1998-07-14 Nkk Corporation Method for manufacturing seamless pipe
DE19845835C1 (en) * 1998-09-28 2000-03-16 Mannesmann Ag Production of a hollow cylinder with a bottom and at least one external protrusion extending over its entire length involves machining, heating and descaling of the blank before it is reverse-extruded by punch and die
DE102006031564A1 (en) * 2006-07-07 2008-01-10 Gesenkschmiede Schneider Gmbh Method for producing a rotationally symmetrical part, in particular shaft
US20120031516A1 (en) * 2010-06-18 2012-02-09 National Machine Company Axle Sleeve Manufacturing Process
JP5459347B2 (en) * 2012-04-18 2014-04-02 新日鐵住金株式会社 Round billet for seamless metal pipe and method for producing seamless metal pipe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1011338A (en) * 1949-01-19 1952-06-23 Comptoir Ind Etirage Lubrication process for hot metal spinning
US2791924A (en) * 1951-08-25 1957-05-14 Babcock & Wilcox Co Rotary piercing processes
US2956337A (en) * 1955-08-24 1960-10-18 Cefilac Method of boring metals
US3335589A (en) * 1964-10-29 1967-08-15 Cefilac Hot working of materials
GB1281125A (en) * 1969-02-20 1972-07-12 Kureha Chemical Ind Co Ltd Regenerative heat exchanger

Also Published As

Publication number Publication date
US3818733A (en) 1974-06-25
JPS5116382B2 (en) 1976-05-24
JPS4958059A (en) 1974-06-05

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