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 metodoInfo
- 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
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)
- Extrusion Of Metal (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
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 |
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. |
HU9903345A HU222308B1 (hu) | 1996-03-29 | 1997-03-26 | Eljárás és berendezés üreges fémgyártmányok, különösen töltényhüvelyek ütvesajtolására |
AU22931/97A AU2293197A (en) | 1996-03-29 | 1997-03-26 | Variable-thickness extrusion method and extrusion unit in accordance with said method |
IL12617097A IL126170A (en) | 1996-03-29 | 1997-03-26 | Variable-thickness extrusion method and extrusion unit in accordance with said method |
PCT/EP1997/001610 WO1997036701A1 (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 |
DE69711030T DE69711030T2 (de) | 1996-03-29 | 1997-03-26 | Verfahren und vorrichtung zum fliesspressen von produkten mit variablem querschnitt |
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)
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系统 |
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 |
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 |
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 |
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)
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 |
-
1996
- 1996-03-29 IT IT96MI000624A patent/IT1283320B1/it active IP Right Grant
-
1997
- 1997-03-26 DE DE69711030T patent/DE69711030T2/de not_active Expired - Fee Related
- 1997-03-26 HU HU9903345A patent/HU222308B1/hu not_active IP Right Cessation
- 1997-03-26 IL IL12617097A patent/IL126170A/en not_active IP Right Cessation
- 1997-03-26 EP EP97915464A patent/EP0889763B1/en not_active Expired - Lifetime
- 1997-03-26 AU AU22931/97A patent/AU2293197A/en not_active Abandoned
- 1997-03-26 WO PCT/EP1997/001610 patent/WO1997036701A1/en active IP Right Grant
- 1997-03-26 TR TR1998/01945T patent/TR199801945T2/xx unknown
Also Published As
Publication number | Publication date |
---|---|
HU222308B1 (hu) | 2003-06-28 |
EP0889763A1 (en) | 1999-01-13 |
HUP9903345A3 (en) | 2000-04-28 |
AU2293197A (en) | 1997-10-22 |
ITMI960624A1 (it) | 1997-09-29 |
IL126170A (en) | 2001-09-13 |
DE69711030T2 (de) | 2002-09-19 |
EP0889763B1 (en) | 2002-03-13 |
WO1997036701A1 (en) | 1997-10-09 |
TR199801945T2 (xx) | 1999-02-22 |
IL126170A0 (en) | 1999-05-09 |
ITMI960624A0 (it) | 1996-03-29 |
DE69711030D1 (de) | 2002-04-18 |
HUP9903345A2 (hu) | 2000-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |