IT1283320B1 - Metodo di estrusione a spessore variabile e gruppo di estrusione secondo tale metodo - Google Patents

Metodo di estrusione a spessore variabile e gruppo di estrusione secondo tale metodo

Info

Publication number
IT1283320B1
IT1283320B1 IT96MI000624A ITMI960624A IT1283320B1 IT 1283320 B1 IT1283320 B1 IT 1283320B1 IT 96MI000624 A IT96MI000624 A IT 96MI000624A IT MI960624 A ITMI960624 A IT MI960624A IT 1283320 B1 IT1283320 B1 IT 1283320B1
Authority
IT
Italy
Prior art keywords
extrusion
group according
variable thickness
extrusion group
thickness extrusion
Prior art date
Application number
IT96MI000624A
Other languages
English (en)
Inventor
Angelo Gandini
Original Assignee
Microcochlea S R L
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 Microcochlea S R L filed Critical Microcochlea S R L
Publication of ITMI960624A0 publication Critical patent/ITMI960624A0/it
Priority to IT96MI000624A priority Critical patent/IT1283320B1/it
Priority to EP97915464A priority patent/EP0889763B1/en
Priority to DE69711030T priority patent/DE69711030T2/de
Priority to IL12617097A priority patent/IL126170A/en
Priority to PCT/EP1997/001610 priority patent/WO1997036701A1/en
Priority to HU9903345A priority patent/HU222308B1/hu
Priority to TR1998/01945T priority patent/TR199801945T2/xx
Priority to AU22931/97A priority patent/AU2293197A/en
Publication of ITMI960624A1 publication Critical patent/ITMI960624A1/it
Application granted granted Critical
Publication of IT1283320B1 publication Critical patent/IT1283320B1/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/03—Making uncoated products by both direct and backward extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/18—Making uncoated products by impact extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/20—Making uncoated products by backward extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/04—Mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Extrusion Of Metal (AREA)
IT96MI000624A 1996-03-29 1996-03-29 Metodo di estrusione a spessore variabile e gruppo di estrusione secondo tale metodo IT1283320B1 (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT96MI000624A IT1283320B1 (it) 1996-03-29 1996-03-29 Metodo di estrusione a spessore variabile e gruppo di estrusione secondo tale metodo
PCT/EP1997/001610 WO1997036701A1 (en) 1996-03-29 1997-03-26 Variable-thickness extrusion method and extrusion unit in accordance with said method
DE69711030T DE69711030T2 (de) 1996-03-29 1997-03-26 Verfahren und vorrichtung zum fliesspressen von produkten mit variablem querschnitt
IL12617097A IL126170A (en) 1996-03-29 1997-03-26 Variable-thickness extrusion method and extrusion unit in accordance with said method
EP97915464A EP0889763B1 (en) 1996-03-29 1997-03-26 Variable-thickness extrusion method and extrusion unit in accordance with said method
HU9903345A HU222308B1 (hu) 1996-03-29 1997-03-26 Eljárás és berendezés üreges fémgyártmányok, különösen töltényhüvelyek ütvesajtolására
TR1998/01945T TR199801945T2 (xx) 1996-03-29 1997-03-26 De�i�en kal�nl�kta haddeleme y�ntemi ve bu y�ntemle ilgili haddeleme birimi.
AU22931/97A AU2293197A (en) 1996-03-29 1997-03-26 Variable-thickness extrusion method and extrusion unit in accordance with said method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI000624A IT1283320B1 (it) 1996-03-29 1996-03-29 Metodo di estrusione a spessore variabile e gruppo di estrusione secondo tale metodo

Publications (3)

Publication Number Publication Date
ITMI960624A0 ITMI960624A0 (it) 1996-03-29
ITMI960624A1 ITMI960624A1 (it) 1997-09-29
IT1283320B1 true IT1283320B1 (it) 1998-04-16

Family

ID=11373823

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI000624A IT1283320B1 (it) 1996-03-29 1996-03-29 Metodo di estrusione a spessore variabile e gruppo di estrusione secondo tale metodo

Country Status (8)

Country Link
EP (1) EP0889763B1 (it)
AU (1) AU2293197A (it)
DE (1) DE69711030T2 (it)
HU (1) HU222308B1 (it)
IL (1) IL126170A (it)
IT (1) IT1283320B1 (it)
TR (1) TR199801945T2 (it)
WO (1) WO1997036701A1 (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2899499B1 (fr) * 2006-04-11 2009-02-27 Manoir Ind Soc Par Actions Sim Procede d'extrusion de precision de pieces metalliques creuses et dispositif associe
DE102008027423A1 (de) * 2008-06-10 2009-12-17 Neumayer Tekfor Holding Gmbh Pressteil und Verfahren zu dessen Herstellung
CN103464498A (zh) * 2012-06-06 2013-12-25 镇江建华轴承有限公司 轴承外圈特殊型腔精密加工方法
EP3345694B1 (de) * 2017-01-05 2024-05-22 FELSS Systems GmbH Verfahren und vorrichtung zum insbesondere abschnittweisen verdicken einer plastisch verformbaren hohlkörperwand eines hohlkörpers sowie fertigungsverfahren und maschine zum fertigen eines hohlkörpers
WO2018203110A1 (en) * 2017-05-04 2018-11-08 I.N.C.A. S.P.A. A Socio Unico Method for forming objects made of metal by backward extrusion and die for carrying out the method
CN108043899B (zh) * 2017-12-20 2019-01-11 万金芬 一种局部圆凸钢板条的制造***
DE102019002187B4 (de) * 2019-03-27 2020-10-15 Universität Stuttgart Verfahren und Vorrichtung zum Herstellen eines Bauteils mit Gewinde
CN111112364B (zh) * 2019-12-25 2022-07-19 北京机电研究所有限公司 一种适用于弹体类深孔挤压件的阶梯式深孔挤压工艺
CN111389944B (zh) * 2020-03-26 2021-01-29 燕山大学 一种厚壁圆筒挤压旋转成形方法
CN112517816B (zh) * 2020-10-16 2022-04-08 中北大学 外纵筋筒形件双向间歇式差速镦粗复合挤压成形方法
CN112517658B (zh) * 2020-10-16 2022-04-08 中北大学 外纵筋筒形件双向差速挤压成形模具
CN112517657B (zh) * 2020-10-16 2022-04-08 中北大学 外纵筋筒形件双向差速挤压成形方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE327315C (de) * 1920-01-23 1920-10-09 Oberschlesische Eisenbahn Beda Verfahren und Gesenk zur Herstellung von mit aeusseren Ansaetzen versehenen Hohlkoerpern
CH90356A (fr) * 1920-08-10 1921-09-01 Usines Thecla S A Dispositif pour la frappe à chaud des métaux.
US1702278A (en) * 1928-05-18 1929-02-19 Simons Abraham Method of making seamless containers
FR1112344A (fr) * 1953-11-12 1956-03-13 Kabel U Metallwerke Neumeyer A Procédé et dispositif d'estampage à la presse, en particulier à froid, de pièces de forme à collerette, en métal, de préférence en acier
DE2144006C3 (de) * 1971-09-02 1974-03-07 Kabel- Und Metallwerke Gutehoffnungshuette Ag, 3000 Hannover Verfahren zur Herstellung von Kegelzahnrädern
CH633980A5 (en) * 1980-03-05 1983-01-14 Tusa Sa Impact extrusion device
JPS58110118A (ja) * 1981-12-25 1983-06-30 Nissan Motor Co Ltd 筒状体の製造方法
JPS59199142A (ja) * 1983-04-27 1984-11-12 Tokai Rika Co Ltd 中空筒体の冷間鍛造法
JPS62107838A (ja) * 1985-11-05 1987-05-19 Toyota Motor Corp 底付テ−パ穴カツプの成形方法

Also Published As

Publication number Publication date
ITMI960624A1 (it) 1997-09-29
DE69711030T2 (de) 2002-09-19
TR199801945T2 (xx) 1999-02-22
EP0889763A1 (en) 1999-01-13
DE69711030D1 (de) 2002-04-18
WO1997036701A1 (en) 1997-10-09
AU2293197A (en) 1997-10-22
IL126170A0 (en) 1999-05-09
IL126170A (en) 2001-09-13
EP0889763B1 (en) 2002-03-13
HUP9903345A2 (hu) 2000-02-28
ITMI960624A0 (it) 1996-03-29
HU222308B1 (hu) 2003-06-28
HUP9903345A3 (en) 2000-04-28

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Legal Events

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