EP0288086A3 - Dispositif d'emboutissage de barres par retournement de l'ebauche et procédé pour cela - Google Patents

Dispositif d'emboutissage de barres par retournement de l'ebauche et procédé pour cela Download PDF

Info

Publication number
EP0288086A3
EP0288086A3 EP88106539A EP88106539A EP0288086A3 EP 0288086 A3 EP0288086 A3 EP 0288086A3 EP 88106539 A EP88106539 A EP 88106539A EP 88106539 A EP88106539 A EP 88106539A EP 0288086 A3 EP0288086 A3 EP 0288086A3
Authority
EP
European Patent Office
Prior art keywords
die plate
bar
gripper
segment
reverse
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.)
Withdrawn
Application number
EP88106539A
Other languages
German (de)
English (en)
Other versions
EP0288086A2 (fr
Inventor
Gianluigi Buglioni
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.)
DANIELI NATISONE SpA
Danieli and C Officine Meccaniche SpA
Original Assignee
DANIELI NATISONE SpA
Danieli and C Officine Meccaniche 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 DANIELI NATISONE SpA, Danieli and C Officine Meccaniche SpA filed Critical DANIELI NATISONE SpA
Publication of EP0288086A2 publication Critical patent/EP0288086A2/fr
Publication of EP0288086A3 publication Critical patent/EP0288086A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B21C5/00—Pointing; Push-pointing
    • 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
    • B21C5/00—Pointing; Push-pointing
    • B21C5/006—Pointing; Push-pointing of solid material, e.g. wire or profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
EP88106539A 1987-04-24 1988-04-23 Dispositif d'emboutissage de barres par retournement de l'ebauche et procédé pour cela Withdrawn EP0288086A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8335887 1987-04-24
IT8783358A IT1214175B (it) 1987-04-24 1987-04-24 Dispositivo di retrotrafilatura barre e procedimento relativo.

Publications (2)

Publication Number Publication Date
EP0288086A2 EP0288086A2 (fr) 1988-10-26
EP0288086A3 true EP0288086A3 (fr) 1989-02-08

Family

ID=11320682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106539A Withdrawn EP0288086A3 (fr) 1987-04-24 1988-04-23 Dispositif d'emboutissage de barres par retournement de l'ebauche et procédé pour cela

Country Status (2)

Country Link
EP (1) EP0288086A3 (fr)
IT (1) IT1214175B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9201913A (nl) † 1992-11-03 1994-06-01 Nedschroef Herentals N V Installatie voor de vervaardiging van producten uit draadvormig materiaal.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR942599A (fr) * 1946-01-11 1949-02-11 Wellman Seaver Rolling Mill Co Perfectionnement au procédé de fabrication des tubes métalliques
DE901764C (de) * 1943-11-09 1954-01-14 Kammerich Werke Ag Verfahren und Vorrichtung zum Ziehen von Rohren
DE1752994A1 (de) * 1968-08-17 1971-04-15 Thelemann Rolf Dipl Ing Vorrichtung zur Vermeidung des Ausknickens beim Einstossen von Stangen und Rohren in die Ziehmatrize einer Ziehbank
DE2758137B1 (de) * 1977-12-27 1979-04-05 Walter Hunger Einziehmaschine zur Ausformung von Rohrangeln

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE901764C (de) * 1943-11-09 1954-01-14 Kammerich Werke Ag Verfahren und Vorrichtung zum Ziehen von Rohren
FR942599A (fr) * 1946-01-11 1949-02-11 Wellman Seaver Rolling Mill Co Perfectionnement au procédé de fabrication des tubes métalliques
DE1752994A1 (de) * 1968-08-17 1971-04-15 Thelemann Rolf Dipl Ing Vorrichtung zur Vermeidung des Ausknickens beim Einstossen von Stangen und Rohren in die Ziehmatrize einer Ziehbank
DE2758137B1 (de) * 1977-12-27 1979-04-05 Walter Hunger Einziehmaschine zur Ausformung von Rohrangeln

Also Published As

Publication number Publication date
IT8783358A0 (it) 1987-04-24
IT1214175B (it) 1990-01-10
EP0288086A2 (fr) 1988-10-26

Similar Documents

Publication Publication Date Title
CN112620367A (zh) 双列型卧式拉拔机
EP0322605A3 (en) Method of making double-coned coil spring and apparatus therefor
CA2389365A1 (fr) Procede et dispositif permettant d'acheminer automatiquement des pieces dotees d'un trou de passage
EP1036629A3 (fr) Machine pour l'usinage des barres
ES471370A1 (es) Perfeccionamientos en maquinas dobladoras universales
EP0288086A3 (fr) Dispositif d'emboutissage de barres par retournement de l'ebauche et procédé pour cela
Buglioni Device for the Reverse Drawing of Bars and Relative Method
EP0249862A3 (fr) Procédé et appareil pour la production de tubes poinçonnés
CN222607884U (zh) 一种不锈钢通针生产拉直装置
CN220277887U (zh) 一种铜棒冷拔机用的夹持机构
CN210189660U (zh) 一种客车转向架闸瓦托组成装配机
DE3663830D1 (en) Apparatus for forming on a steel wire strand a bulge projecting outward
EP0102852A3 (fr) Arrêt pour une machine à plier la tôle
JPS5437061A (en) Apparatus for isolating die for preheating thereof
ES8401732A1 (es) Dispositivo para manipular y descargar matrices, restos de prensado y discos de cierre en la extrusion indirecta de metales.
GB1324157A (en) Method of securing members together with screw threads
EP0627577A4 (fr) Levier commande en deux etapes et machine-outil utilisant ce levier.
CN213887609U (zh) 双列型卧式拉拔机
JPH10216876A (ja) ダイス移動式インライン間欠伸線機
JP3354791B2 (ja) パイプ曲げ装置用パイプ材送り装置
CN218855229U (zh) 一种锂条缠绕装置
CN221282559U (zh) 一种新型同轴线束卡扣端子机
CN219112752U (zh) 一种线材试样长度定尺两端同时切割的锯切装置
GB1487057A (en) Method and apparatus for drawing tubes
JPS56136321A (en) Combined forming and feeding device for film

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB GR LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB GR LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19890209