ES2057096T3 - Procedimiento para la fabricacion de semiproducto. - Google Patents

Procedimiento para la fabricacion de semiproducto.

Info

Publication number
ES2057096T3
ES2057096T3 ES89250048T ES89250048T ES2057096T3 ES 2057096 T3 ES2057096 T3 ES 2057096T3 ES 89250048 T ES89250048 T ES 89250048T ES 89250048 T ES89250048 T ES 89250048T ES 2057096 T3 ES2057096 T3 ES 2057096T3
Authority
ES
Spain
Prior art keywords
manufacture
procedure
hot
section
pipes
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 - Lifetime
Application number
ES89250048T
Other languages
English (en)
Inventor
Werner Dipl-Ing Fritsch
Wilhelm Dipl-Ing Nickel
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Application granted granted Critical
Publication of ES2057096T3 publication Critical patent/ES2057096T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/04Shaping in the rough solely by forging or pressing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B19/00Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02Tube-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
    • B21B19/04Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/08Upsetting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Heat Treatment Of Articles (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

EL INVENTO SE REFIERE A UN PROCEDIMIENTO PARA LA FABRICACION DE SEMIPRODUCTOS DE FORMATO DE GRAN DIAMETRO COMO BASE PARA LA FABRICACION DE TUBERIAS SIN JUNTA DE FABRICACION EN CALIENTE DE UN DIAMETRO EXTERIOR DE MAS DE 250 MM. PARA DESARROLLAR UN PROCEDIMIENTO CON EL QUE PUEDAN FABRICARSE SIMPLE Y ECONOMICAMENTE LOS SEMIPRODUCTOS APROPIADOS PARA LA FABRICACION DE TUBOS EN CALIENTE CIN COSTURAS CON DIAMETROS EXTERIOR DE MAS DE 250 MM SE PROPONE EL CALENTAMIENTO DE UN BLOQUE DE SALIDA RECTO CILINDRICO CIRCULAR O REGULAR EN FORMA DE PRISMA DE UN MATERIAL BASE DE FUNCION POR EXTRUSION CON UNA SECCION FO O BIEN UN DIAMETRO DO DE UNA SECCION CIRCULAR DE SUPERFICIE IGUAL Y UNA LONGITUD LO Y UNA RELACION DE TO A DO MAYOR QUE UNO, A UNA TEMPERATURA DETERMINADA DEL MATERIAL PARA SU TRANSFORMACION, SEGUIDAMENTE SE RETIRA EL ENCENDIDO QUE SE HA ORIGINADO POR EL PROCESO DE CALENTAMIENTO Y SEGUIDAMENTE SE SUMERGE EN DIRECCION DEL EJE LONGITUDINAL MEDIANTE HERRAMIENTAS EN CALIENTE A UNA SECCION F1 Y AUNA LONGITUD L1, CON LO QUE ES VALIDO QUE SEA F1 MAYOR QUE FO Y L1 MEMOR QUE LO.
ES89250048T 1988-11-01 1989-10-02 Procedimiento para la fabricacion de semiproducto. Expired - Lifetime ES2057096T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3837399A DE3837399C1 (es) 1988-11-01 1988-11-01

Publications (1)

Publication Number Publication Date
ES2057096T3 true ES2057096T3 (es) 1994-10-16

Family

ID=6366451

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89250048T Expired - Lifetime ES2057096T3 (es) 1988-11-01 1989-10-02 Procedimiento para la fabricacion de semiproducto.

Country Status (3)

Country Link
EP (1) EP0367358B1 (es)
DE (2) DE3837399C1 (es)
ES (1) ES2057096T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1927413B1 (en) * 2006-12-01 2009-08-19 Topy Kogyo Kabushiki Kaisha Press forging method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1302427B (de) * 1963-07-04 1972-05-04 Calmes, Jean-Paul, Mont-sur-Lausanne (Schweiz) Verfahren zur Herstellung eines zylindrischen Hohlkörpers durch Preßlochwalzen
FR2220328A1 (es) * 1973-03-07 1974-10-04 Inst Obrobki Plastycznes
JPS61193739A (ja) * 1985-02-21 1986-08-28 Toyota Motor Corp 据込み成形方法

Also Published As

Publication number Publication date
EP0367358A3 (de) 1991-01-09
DE58908102D1 (de) 1994-09-01
EP0367358B1 (de) 1994-07-27
EP0367358A2 (de) 1990-05-09
DE3837399C1 (es) 1989-11-16

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