SK278885B6 - Spôsob upevňovania dierovaného kusa na trnovej tyč - Google Patents

Spôsob upevňovania dierovaného kusa na trnovej tyč Download PDF

Info

Publication number
SK278885B6
SK278885B6 SK3115-91A SK311591A SK278885B6 SK 278885 B6 SK278885 B6 SK 278885B6 SK 311591 A SK311591 A SK 311591A SK 278885 B6 SK278885 B6 SK 278885B6
Authority
SK
Slovakia
Prior art keywords
mandrel
piece
perforated
front part
perforated piece
Prior art date
Application number
SK3115-91A
Other languages
English (en)
Slovak (sk)
Inventor
Karl-Hermann Bub
Dietrich Dedecke
Horst Wagener
Original Assignee
Benteler Aktiengesellschaft
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 Benteler Aktiengesellschaft filed Critical Benteler Aktiengesellschaft
Publication of SK278885B6 publication Critical patent/SK278885B6/sk

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles
    • B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles by means of mandrels
    • B21C1/26—Push-bench drawing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Extrusion Of Metal (AREA)
SK3115-91A 1990-12-10 1991-10-14 Spôsob upevňovania dierovaného kusa na trnovej tyč SK278885B6 (sk)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4039369A DE4039369C1 (en) 1990-12-10 1990-12-10 Prodn. of metal tubes - involves cooling mandrel head and allowing thermal expansion to increase tube ID

Publications (1)

Publication Number Publication Date
SK278885B6 true SK278885B6 (sk) 1998-04-08

Family

ID=6419982

Family Applications (1)

Application Number Title Priority Date Filing Date
SK3115-91A SK278885B6 (sk) 1990-12-10 1991-10-14 Spôsob upevňovania dierovaného kusa na trnovej tyč

Country Status (4)

Country Link
CZ (1) CZ278054B6 (cs)
DE (1) DE4039369C1 (cs)
IT (1) IT1250126B (cs)
SK (1) SK278885B6 (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112474871B (zh) * 2020-09-27 2022-06-10 太原科技大学 一种高性能短流程带筋镁合金无缝管材的推轧工艺

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3642769C1 (en) * 1986-12-15 1987-07-16 Benteler Werke Ag Method and apparatus for rolling a pierced blank into a tube blank

Also Published As

Publication number Publication date
ITRM910804A0 (it) 1991-10-24
CS311591A3 (en) 1992-06-17
ITRM910804A1 (it) 1993-04-24
IT1250126B (it) 1995-03-30
CZ278054B6 (en) 1993-07-14
DE4039369C1 (en) 1991-09-19

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