JPS6120366B2 - - Google Patents

Info

Publication number
JPS6120366B2
JPS6120366B2 JP13662278A JP13662278A JPS6120366B2 JP S6120366 B2 JPS6120366 B2 JP S6120366B2 JP 13662278 A JP13662278 A JP 13662278A JP 13662278 A JP13662278 A JP 13662278A JP S6120366 B2 JPS6120366 B2 JP S6120366B2
Authority
JP
Japan
Prior art keywords
axis
drilling
guide
members
guide device
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
JP13662278A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5488862A (en
Inventor
Patsusoni Terejio
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.)
SMS Group SpA
Original Assignee
Innocenti Santeustacchio SpA
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 Innocenti Santeustacchio SpA filed Critical Innocenti Santeustacchio SpA
Publication of JPS5488862A publication Critical patent/JPS5488862A/ja
Publication of JPS6120366B2 publication Critical patent/JPS6120366B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B21B25/02—Guides, supports, or abutments for mandrels, e.g. carriages or steadiers; Adjusting devices for mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/08—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Boring (AREA)
  • Forging (AREA)
JP13662278A 1977-11-07 1978-11-06 Chuck guide in drilling machine Granted JPS5488862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2940377A IT1088362B (it) 1977-11-07 1977-11-07 Dispositivo per la guida della stanga portapunta di una macchina perforatrice di lingotti a caldo

Publications (2)

Publication Number Publication Date
JPS5488862A JPS5488862A (en) 1979-07-14
JPS6120366B2 true JPS6120366B2 (es) 1986-05-22

Family

ID=11226913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13662278A Granted JPS5488862A (en) 1977-11-07 1978-11-06 Chuck guide in drilling machine

Country Status (6)

Country Link
JP (1) JPS5488862A (es)
DE (1) DE2847379A1 (es)
ES (1) ES474841A1 (es)
FR (1) FR2407760A1 (es)
GB (1) GB2007562B (es)
IT (1) IT1088362B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3129712C2 (de) * 1981-07-23 1985-10-24 Mannesmann AG, 4000 Düsseldorf Dornstangenunterstützungen für Kaltpilgermaschinen
US4655068A (en) * 1985-03-22 1987-04-07 Schemel John H Floating cylindrical mandrel and method for producing tubing

Also Published As

Publication number Publication date
GB2007562B (en) 1982-05-06
GB2007562A (en) 1979-05-23
DE2847379A1 (de) 1979-05-10
IT1088362B (it) 1985-06-10
JPS5488862A (en) 1979-07-14
ES474841A1 (es) 1979-04-16
FR2407760A1 (fr) 1979-06-01
FR2407760B3 (es) 1981-09-11

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