DE69711030D1 - METHOD AND DEVICE FOR EXTRUDING PRODUCTS WITH VARIABLE CROSS SECTION - Google Patents

METHOD AND DEVICE FOR EXTRUDING PRODUCTS WITH VARIABLE CROSS SECTION

Info

Publication number
DE69711030D1
DE69711030D1 DE69711030T DE69711030T DE69711030D1 DE 69711030 D1 DE69711030 D1 DE 69711030D1 DE 69711030 T DE69711030 T DE 69711030T DE 69711030 T DE69711030 T DE 69711030T DE 69711030 D1 DE69711030 D1 DE 69711030D1
Authority
DE
Germany
Prior art keywords
section
variable cross
extruding products
extruding
products
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 - Fee Related
Application number
DE69711030T
Other languages
German (de)
Other versions
DE69711030T2 (en
Inventor
Angelo Gandini
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.)
Fiocchi Munizioni SpA
Original Assignee
Fiocchi Munizioni 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 Fiocchi Munizioni SpA filed Critical Fiocchi Munizioni SpA
Application granted granted Critical
Publication of DE69711030D1 publication Critical patent/DE69711030D1/en
Publication of DE69711030T2 publication Critical patent/DE69711030T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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 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
DE69711030T 1996-03-29 1997-03-26 METHOD AND DEVICE FOR EXTRUDING PRODUCTS WITH VARIABLE CROSS SECTION Expired - Fee Related DE69711030T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96MI000624A IT1283320B1 (en) 1996-03-29 1996-03-29 VARIABLE THICKNESS EXTRUSION METHOD AND EXTRUSION GROUP ACCORDING TO THIS METHOD
PCT/EP1997/001610 WO1997036701A1 (en) 1996-03-29 1997-03-26 Variable-thickness extrusion method and extrusion unit in accordance with said method

Publications (2)

Publication Number Publication Date
DE69711030D1 true DE69711030D1 (en) 2002-04-18
DE69711030T2 DE69711030T2 (en) 2002-09-19

Family

ID=11373823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69711030T Expired - Fee Related DE69711030T2 (en) 1996-03-29 1997-03-26 METHOD AND DEVICE FOR EXTRUDING PRODUCTS WITH VARIABLE CROSS SECTION

Country Status (8)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2899499B1 (en) * 2006-04-11 2009-02-27 Manoir Ind Soc Par Actions Sim PRECISION EXTRUSION METHOD FOR HOLLOW METAL PIECES AND ASSOCIATED DEVICE
DE102008027423A1 (en) * 2008-06-10 2009-12-17 Neumayer Tekfor Holding Gmbh Pressing part and method for its production
CN103464498A (en) * 2012-06-06 2013-12-25 镇江建华轴承有限公司 Precise processing method for specially-shaped cavity of bearing outer ring
EP3345694A1 (en) * 2017-01-05 2018-07-11 FELSS Systems GmbH Method and device for locally thickening and thereby producing a hollow body
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 (en) * 2017-12-20 2019-01-11 万金芬 A kind of manufacture system of part boss steel plate strip
DE102019002187B4 (en) * 2019-03-27 2020-10-15 Universität Stuttgart Method and device for producing a component with a thread
CN111112364B (en) * 2019-12-25 2022-07-19 北京机电研究所有限公司 Stepped deep hole extrusion process suitable for elastomer deep hole extrusion piece
CN111389944B (en) * 2020-03-26 2021-01-29 燕山大学 Extrusion rotary forming method for thick-wall cylinder
CN112517816B (en) * 2020-10-16 2022-04-08 中北大学 Bidirectional intermittent differential upsetting composite extrusion forming method for outer longitudinal rib cylindrical part
CN112517658B (en) * 2020-10-16 2022-04-08 中北大学 Bidirectional differential extrusion forming die for external longitudinal rib cylindrical part
CN112517657B (en) * 2020-10-16 2022-04-08 中北大学 Bidirectional differential extrusion forming method for outer longitudinal rib cylindrical part

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE327315C (en) * 1920-01-23 1920-10-09 Oberschlesische Eisenbahn Beda Method and die for the production of hollow bodies provided with external attachments
CH90356A (en) * 1920-08-10 1921-09-01 Usines Thecla S A Device for hot forging metals.
US1702278A (en) * 1928-05-18 1929-02-19 Simons Abraham Method of making seamless containers
FR1112344A (en) * 1953-11-12 1956-03-13 Kabel U Metallwerke Neumeyer A Method and device for press-stamping, in particular cold, flanged-shaped parts made of metal, preferably steel
DE2144006C3 (en) * 1971-09-02 1974-03-07 Kabel- Und Metallwerke Gutehoffnungshuette Ag, 3000 Hannover Process for the manufacture of bevel gears
CH633980A5 (en) * 1980-03-05 1983-01-14 Tusa Sa Impact extrusion device
JPS58110118A (en) * 1981-12-25 1983-06-30 Nissan Motor Co Ltd Production of cylindrical body
JPS59199142A (en) * 1983-04-27 1984-11-12 Tokai Rika Co Ltd Cold forging method of hollow cylindrical body
JPS62107838A (en) * 1985-11-05 1987-05-19 Toyota Motor Corp Method for forming bottomed cup with tapered bore

Also Published As

Publication number Publication date
HU222308B1 (en) 2003-06-28
IT1283320B1 (en) 1998-04-16
EP0889763B1 (en) 2002-03-13
ITMI960624A1 (en) 1997-09-29
HUP9903345A2 (en) 2000-02-28
AU2293197A (en) 1997-10-22
WO1997036701A1 (en) 1997-10-09
EP0889763A1 (en) 1999-01-13
ITMI960624A0 (en) 1996-03-29
DE69711030T2 (en) 2002-09-19
HUP9903345A3 (en) 2000-04-28
IL126170A0 (en) 1999-05-09
IL126170A (en) 2001-09-13
TR199801945T2 (en) 1999-02-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee