GB1185487A - A Method of Reducing Tubes, Especially Thick-Walled Tubes, and Means for Practising the Method. - Google Patents

A Method of Reducing Tubes, Especially Thick-Walled Tubes, and Means for Practising the Method.

Info

Publication number
GB1185487A
GB1185487A GB27502/67A GB2750267A GB1185487A GB 1185487 A GB1185487 A GB 1185487A GB 27502/67 A GB27502/67 A GB 27502/67A GB 2750267 A GB2750267 A GB 2750267A GB 1185487 A GB1185487 A GB 1185487A
Authority
GB
United Kingdom
Prior art keywords
zone
tubes
reducing
tube
rolling
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
GB27502/67A
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.)
SKF AB
Original Assignee
SKF AB
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 SKF AB filed Critical SKF AB
Publication of GB1185487A publication Critical patent/GB1185487A/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
    • B21B19/06—Rolling hollow basic material, e.g. Assel mills

Landscapes

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

Abstract

1,185,487. Rolling. SVENSKA KULLAGERFABRIKEN A.B. 14 June, 1967 [16 June, 1966], No. 27502/67. Heading B3M. [Also in Division B5] A method of reducing thick walled metal tubes comprises axially rolling the tube between three co-operating rolls 2 without a mandrel such that the tube is reduced without any appreciable change in wall thickness, each roll having at least three zones, namely a feeding zone 3, a reducing zone 4 and a smoothing and rounding zone 5, 6. The rolling may be hot or cold with a reduction of 5 to 31%. The angle α is preferably 3-5 degrees and the angle # in excess of 40 degrees. The smoothing zone 5 is parallel to the axis of the tube at the point of contact. The zones 5, 6 may be combined into a single zone.
GB27502/67A 1966-06-16 1967-06-14 A Method of Reducing Tubes, Especially Thick-Walled Tubes, and Means for Practising the Method. Expired GB1185487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE08260/66A SE329584B (en) 1966-06-16 1966-06-16

Publications (1)

Publication Number Publication Date
GB1185487A true GB1185487A (en) 1970-03-25

Family

ID=20273581

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27502/67A Expired GB1185487A (en) 1966-06-16 1967-06-14 A Method of Reducing Tubes, Especially Thick-Walled Tubes, and Means for Practising the Method.

Country Status (4)

Country Link
US (1) US3495429A (en)
DE (1) DE1602017A1 (en)
GB (1) GB1185487A (en)
SE (1) SE329584B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1602680B2 (en) * 1967-11-04 1975-08-21 Stahlwerke Brueninghaus Gmbh, 5842 Westhofen Cross-rolling device for deforming the cross-section of a cylindrical metal rod
DE3128055C2 (en) * 1980-07-18 1993-08-19 Sumitomo Kinzoku Kogyo K.K., Osaka Cross mill stand without mandrel for seamless metal pipes
JPS5725209A (en) * 1980-07-18 1982-02-10 Sumitomo Metal Ind Ltd Production of seamless metallic pipe
JPS57137009A (en) * 1981-02-17 1982-08-24 Sumitomo Metal Ind Ltd Manufacture of seamless metallic pipe
AU562483B2 (en) * 1982-06-30 1987-06-11 Sumitomo Metal Industries Ltd. Reduction rolling to produce circular bar material
AU564031B2 (en) * 1982-06-30 1987-07-30 Sumitomo Metal Industries Ltd. Manufacturing hollow rods
AT393966B (en) * 1988-03-25 1992-01-10 Blaschke Pumpen Filteranlagen Protective suit for use in an area contaminated by toxic materials
DE19536637C1 (en) * 1995-09-22 1997-01-16 Mannesmann Ag Calibration for shoulder rolls in cross rolling mills
DE19613715C1 (en) * 1996-03-27 1997-07-24 Mannesmann Ag Calibration of slant rolling mill
TWI279264B (en) * 2004-07-12 2007-04-21 Nippon Steel Corp An apparatus for manufacturing of tapered pipe
DE102012007379B4 (en) * 2012-04-12 2016-12-29 Zhozef Rotenberg Process for the cross rolling of cylindrical products
CN109772890B (en) * 2019-02-28 2020-01-31 西北工业大学 Superfine crystal rolling method for large-size high-temperature alloy bars

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2060767A (en) * 1933-02-15 1936-11-10 Timken Roller Bearing Co Process of rolling tubes and rods
US2101357A (en) * 1934-05-28 1937-12-07 Timken Roller Bearing Co Cross-roll mill
US2176412A (en) * 1936-08-19 1939-10-17 Timken Roller Bearing Co Method and apparatus for sizing tubes
US2358307A (en) * 1942-08-29 1944-09-19 Clarence L Dewey Tube reducing machine

Also Published As

Publication number Publication date
DE1602017A1 (en) 1970-04-09
US3495429A (en) 1970-02-17
SE329584B (en) 1970-10-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees