ES474841A1 - Dispositivo para la guia de la barra porta punta de una ma- quina perforadora de lingotes en caliente. - Google Patents

Dispositivo para la guia de la barra porta punta de una ma- quina perforadora de lingotes en caliente.

Info

Publication number
ES474841A1
ES474841A1 ES474841A ES474841A ES474841A1 ES 474841 A1 ES474841 A1 ES 474841A1 ES 474841 A ES474841 A ES 474841A ES 474841 A ES474841 A ES 474841A ES 474841 A1 ES474841 A1 ES 474841A1
Authority
ES
Spain
Prior art keywords
machine
axis
mandrel
piercing
outlet side
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
ES474841A
Other languages
English (en)
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 ES474841A1 publication Critical patent/ES474841A1/es
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
    • 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)
  • Forging (AREA)
  • Drilling And Boring (AREA)

Abstract

Dispositivo para la guía de la barra porta punta de una máquina perforadora de lingotes en caliente, cuya barra está extendida sobre el eje de perforación del lado de salida de la máquina perforadora, caracterizado por el hecho de comprender: - por lo menos dos guías (7, 8) iguales y horizontales, soportadas rígidamente por la máquina perforadora lateralmente y en posiciones simétricas con respecto al eje (A) de perforación y del lado de salida de la máquina, - un primer y un segundo grupo de cuerpos rígidos iguales (11, 111), introducidos deslizablemente en una correspondiente guía (7, 8) por la cual son soportados en voladizo hacia el citado eje (A) de perforación, estando los cuerpos de cada grupo (11, 111) mutuamente unidos por medio de una conexión de bisagra (15, 16 ¿ 115, 116) con eje de rotación vertical, - medios (19, 119) para situar cada grupo de cuerpos rígidos (11, 111) en correspondencia con el citado trecho rectilínea (71, 107) de la correspondiente guía (7, 8).
ES474841A 1977-11-07 1978-11-06 Dispositivo para la guia de la barra porta punta de una ma- quina perforadora de lingotes en caliente. Expired ES474841A1 (es)

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 (1)

Publication Number Publication Date
ES474841A1 true ES474841A1 (es) 1979-04-16

Family

ID=11226913

Family Applications (1)

Application Number Title Priority Date Filing Date
ES474841A Expired ES474841A1 (es) 1977-11-07 1978-11-06 Dispositivo para la guia de la barra porta punta de una ma- quina perforadora de lingotes en caliente.

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
JPS5488862A (en) 1979-07-14
IT1088362B (it) 1985-06-10
GB2007562A (en) 1979-05-23
GB2007562B (en) 1982-05-06
JPS6120366B2 (es) 1986-05-22
FR2407760A1 (fr) 1979-06-01
DE2847379A1 (de) 1979-05-10
FR2407760B3 (es) 1981-09-11

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991102