EP1477248A2 - Méthode de fabrication d'un corps creux comme demi-produit pour un creuset ou un cylindre de coulée - Google Patents
Méthode de fabrication d'un corps creux comme demi-produit pour un creuset ou un cylindre de coulée Download PDFInfo
- Publication number
- EP1477248A2 EP1477248A2 EP04007496A EP04007496A EP1477248A2 EP 1477248 A2 EP1477248 A2 EP 1477248A2 EP 04007496 A EP04007496 A EP 04007496A EP 04007496 A EP04007496 A EP 04007496A EP 1477248 A2 EP1477248 A2 EP 1477248A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- block
- hollow body
- mandrel
- crucible
- expanded
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- B21K21/06—Shaping thick-walled hollow articles, e.g. projectiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/10—Piercing billets
Definitions
- the invention relates to a method for producing a cylindrical hollow body made of copper or a copper alloy as a semi-finished product for a crucible or a Casting roll according to the features in the preamble of claim 1.
- a common method for producing a cylindrical hollow body as a semi-finished product for a crucible or a casting roll the steps of casting-punching-forging are used together.
- a continuously cast block in the longitudinal direction compressed The maximum is so that the block does not buckle when compressed Ratio of its length to its diameter about 3: 1.
- the compressed block will then the aid of a piercing mandrel over its entire length as seen in the direction of the upset Extension punched.
- the perforated block is then heated again and in this second heat Forging expanded over a mandrel.
- the expanded block is then usually made into one by open-die forging Formed hollow body with or without flange, depending on whether from this In the end, a crucible or a casting roller is to be manufactured.
- a crucible or a casting roller is to be manufactured.
- the invention is based on the object Process for producing a cylindrical hollow body made of copper or a To create copper alloy as a semi-finished product for a crucible or a casting roller, the more economical application with improved material properties guaranteed.
- the hollow body produced in this way can then be turned into a crucible or a conventional manner Casting roller can be redesigned further.
- the invention therefore creates the conditions for the Total degree of deformation and the homogeneity of the deformation due to Process steps punching the cylindrical block with the following Drawing presses can be significantly improved. Due to the higher dimensional accuracy there are also significantly smaller additions of lost material. The Efficiency is significantly increased.
- cylindrical hollow bodies as semi-finished products a crucible or a casting roll by rounding and longitudinal seam welding of To manufacture sheets.
- the invention has the additional advantage that the material properties over the entire scope of the Hollow body are homogeneous.
- the combination of expanding the block and stretching the Crystal orientation of the hollow body to be manufactured can be influenced so that a Orientation of the grain structure in the longitudinal or transverse direction arises. So it can Grain orientation and thus the strength through this way of Main direction of stress can be adjusted. Accordingly, in particular better service life can be expected from casting rolls made from hollow bodies.
- FIG. 1 is a cylindrical block made of SF-Cu, CuAg, CuNi or one precipitation-hardening Cu alloy. Block 1 is continuously cast. The ratio of the length L to the diameter D is up to about 6: 1.
- the block 1 according to FIG. 1 is divided into a corresponding to the representation of FIG Die 2 used, which is located in a receptacle 3.
- Block 1 is in broken lines shown.
- the Die 2 prevents block 1 from buckling during upsetting.
- the compressed block 1 a Center punch 4 pressed in according to arrow PF1 and block 1 a perforated.
- the material of the perforated block 1 b then rises between the inner wall 5 of the die 2 and the surface 6 of the piercing mandrel 4 upwards in a hollow cylinder.
- the Punching in the direction of arrow PF1 is carried out in such a way that on the punched block 1 b a bottom 7 remains.
- the perforated block 1 b is then used in accordance with the illustration in FIG an expanding mandrel 8 which is moved in the direction of the arrow PF2, wherein its inner diameter changes from ID to ID1 and its outer diameter changes from AD Increase AD1.
- the block 1b to be expanded is based on one Abutment plate 9 from.
- the stretching can be done so that the expanded block 1 c is not complete is moved by the drawing die 11, so that then at the free end 13 of the Hollow body 12 a collar 14 is formed.
- This collar 14 can be used to weld a Flange are used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Continuous Casting (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10321566 | 2003-05-14 | ||
| DE10321566A DE10321566A1 (de) | 2003-05-14 | 2003-05-14 | Verfahren zur Herstellung eines Hohlkörpers als Halbzeug für einen Tiegel oder eine Gießwalze |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1477248A2 true EP1477248A2 (fr) | 2004-11-17 |
| EP1477248A3 EP1477248A3 (fr) | 2005-01-05 |
| EP1477248B1 EP1477248B1 (fr) | 2006-08-23 |
Family
ID=33016381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04007496A Expired - Lifetime EP1477248B1 (fr) | 2003-05-14 | 2004-03-27 | Méthode de fabrication d'un corps creux comme demi-produit pour un creuset ou un cylindre de coulée |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1477248B1 (fr) |
| AT (1) | ATE337116T1 (fr) |
| DE (2) | DE10321566A1 (fr) |
| DK (1) | DK1477248T3 (fr) |
| ES (1) | ES2268522T3 (fr) |
| PT (1) | PT1477248E (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007134577A1 (fr) * | 2006-05-22 | 2007-11-29 | Sandvik Mining And Construction Supply Gmbh | Rouleau de transport |
| CN100446889C (zh) * | 2007-04-12 | 2008-12-31 | 林昌绪 | 利用冷镦机加工金属盲管零件的加工方法 |
| US20150050513A1 (en) * | 2011-12-30 | 2015-02-19 | Babasaheb Neelkanth Kalyani | Method For Manufacturing Hollow Shafts |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2605875C1 (ru) * | 2015-07-13 | 2016-12-27 | Виталий Вениаминович Девятов | Способ изготовления длинномерных полых изделий |
| RU2699425C1 (ru) * | 2018-07-30 | 2019-09-05 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | Способ изготовления полой цилиндрической заготовки |
| DE102024109118A1 (de) * | 2024-03-28 | 2025-10-02 | Sms Group Gmbh | Verfahren und Vorrichtung zur Herstellung von Hülsen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2425501A1 (de) * | 1974-05-27 | 1975-12-11 | Kabel Metallwerke Ghh | Verfahren und vorrichtung zum napffliesspressen von dickwandigen hohlkoerpern mit boden |
| US4059003A (en) * | 1974-10-29 | 1977-11-22 | Moore Charles H | Process for producing heavy-duty high-pressure ferrous metal cup-shaped products having a cylindrical barrel |
| DE2817415A1 (de) * | 1978-04-18 | 1979-10-25 | Mannesmann Ag | Verfahren und vorrichtung zum warmfliesspressen von lochstuecken mit bodenstueck aus rundstranggussbloecken |
| JPS6049825A (ja) * | 1983-08-31 | 1985-03-19 | Komatsu Ltd | 鍛造によるせん孔方法 |
| DE19852537C2 (de) * | 1998-11-05 | 2003-01-09 | Mannesmann Ag | Ziehpreßverfahren zur Herstellung eines nahtlosen Hohlkörpers mit Boden oder eines nahtlosen Rohres |
| EP1193720B1 (fr) * | 2000-04-25 | 2017-01-11 | Japan Casting & Forging Corporation | Ebauche pour une enceinte de confinement de substance radioactive et procede de production |
| DE10108861B4 (de) * | 2001-02-15 | 2005-02-03 | V&M Deutschland Gmbh | Einrichtung zur Herstellung eines nahtlosen Hohlkörpers mit Boden oder eines nahtlosen Rohres aus Stahl |
-
2003
- 2003-05-14 DE DE10321566A patent/DE10321566A1/de not_active Withdrawn
-
2004
- 2004-03-27 PT PT04007496T patent/PT1477248E/pt unknown
- 2004-03-27 EP EP04007496A patent/EP1477248B1/fr not_active Expired - Lifetime
- 2004-03-27 DK DK04007496T patent/DK1477248T3/da active
- 2004-03-27 ES ES04007496T patent/ES2268522T3/es not_active Expired - Lifetime
- 2004-03-27 DE DE502004001238T patent/DE502004001238D1/de not_active Expired - Fee Related
- 2004-03-27 AT AT04007496T patent/ATE337116T1/de not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007134577A1 (fr) * | 2006-05-22 | 2007-11-29 | Sandvik Mining And Construction Supply Gmbh | Rouleau de transport |
| EA014477B1 (ru) * | 2006-05-22 | 2010-12-30 | Сандвик Майнинг Энд Констракшн Сапплай Гмбх | Конвейерный ролик |
| CN100446889C (zh) * | 2007-04-12 | 2008-12-31 | 林昌绪 | 利用冷镦机加工金属盲管零件的加工方法 |
| US20150050513A1 (en) * | 2011-12-30 | 2015-02-19 | Babasaheb Neelkanth Kalyani | Method For Manufacturing Hollow Shafts |
| US9446445B2 (en) * | 2011-12-30 | 2016-09-20 | Bharat Forge Ltd. | Method for manufacturing hollow shafts |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE337116T1 (de) | 2006-09-15 |
| EP1477248A3 (fr) | 2005-01-05 |
| DE10321566A1 (de) | 2004-12-02 |
| DE502004001238D1 (de) | 2006-10-05 |
| EP1477248B1 (fr) | 2006-08-23 |
| DK1477248T3 (da) | 2007-01-02 |
| ES2268522T3 (es) | 2007-03-16 |
| PT1477248E (pt) | 2006-12-29 |
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