EP1425120A1 - Dispositif de production d'un corps moule pourvu d'un moyeu concentrique - Google Patents
Dispositif de production d'un corps moule pourvu d'un moyeu concentriqueInfo
- Publication number
- EP1425120A1 EP1425120A1 EP02787476A EP02787476A EP1425120A1 EP 1425120 A1 EP1425120 A1 EP 1425120A1 EP 02787476 A EP02787476 A EP 02787476A EP 02787476 A EP02787476 A EP 02787476A EP 1425120 A1 EP1425120 A1 EP 1425120A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hub
- tool pin
- blank
- roller
- pressure roller
- 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
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/02—Making articles shaped as bodies of revolution discs; disc wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/02—Making articles shaped as bodies of revolution discs; disc wheels
- B21H1/04—Making articles shaped as bodies of revolution discs; disc wheels with rim, e.g. railways wheels or pulleys
Definitions
- the present invention relates to a device for producing a shaped body having a concentric hub according to the preamble of claim 1.
- Shaped bodies produced by means of such devices are used in many fields of application.
- the non-cutting production known as the spinning process, usually cold forming, is characterized by many advantages, which in particular allow rational and cost-effective production for series articles, such as those used as gear parts in automobile construction.
- a generic device is such.
- B known from WO 94/20235.
- a molded body is produced from a metal blank, that is to say a sheet metal plate which has a central opening, and is provided with a concentric hub.
- material is pressed out of the circular blank by radial infeed and pushed in the direction of the tool pin, where it is formed into a hub by molding onto this tool pin.
- material displacement which can also be referred to as flow
- the blank thickness is reduced in accordance with the material removal required for the hub formation.
- the trailing roller serves firstly to prevent the round plate from bending open during pressing and secondly to precisely form the tool pin perform.
- the trailing roller follows the spinning roller at a short distance.
- the pressure rollers are designed so that their circumferential pressure surface runs parallel to the central longitudinal axis of the tool pin or the blank, the pressure surface directly adjoining the pressure edge which can be brought into engagement with the blank.
- the material released from the round blank builds up in front of the pressure surface and is moved into the area of the tool pin, where it flows along it until it reaches a stop that specifies the height of the hub.
- the material that has been swaged up, so to speak only flows parallel to or almost parallel to the tool pin immediately before it touches it, while previously taking up the space of a relatively thick bead.
- the present invention is therefore based on the object of designing a device of the generic type in such a way that the loads which occur when pressing are reduced.
- the pre-shaped hub is not pressed directly against the tool pin by the pressure roller. This is done by means of the trailing roller, the pressure surface of which runs parallel to the central longitudinal axis and with which the previously slightly inclined hub or the hitherto approximately funnel-shaped shape presses against the tool pin in such a way that a cylindrical shape results.
- the trailing roller for the end limitation of the hub has a shoulder on which the free end face of the hub bears during molding.
- the tool pin can also have a stop in the form of a shoulder, which limits the height of the hub and runs in the same plane, parallel to the round blank as the attachment of the pressure roller.
- the width of the shoulder and the shoulder are preferably the same size, but together maximum according to the wall thickness of the hub.
- the The hub is initially formed by the spinning roller in a funnel shape with an inclined wall in relation to the central axis of the tool pin and is then brought into a cylindrical shape by pressing the wall against the tool pin by means of the trailing roller.
- the single figure shows a partial section through a device according to the invention in a schematic longitudinal section.
- a device for producing a shaped body 1 having a concentric hub 12 which has a rotating tool plate 2 in the form of a chuck, a pressure roller 4, a follower roller 7 and a tool pin 3.
- the tool plate 2 is provided with a recess in which a circular disc 11 lies, onto which the hub 12 can be formed by means of the pressure roller 4 and the follower roller 7, for which purpose the pressure roller 4 can be advanced axially and radially with respect to the central axis of the circular disc 11 ,
- the initially disc-shaped, provided with a center hole round plate 11 is inserted into the tool plate 2 and set in rotation.
- material of the circular blank 11, which initially projects beyond the tool plate 2 is pressed in the direction of the tool pin 3, the material so far separated being supported on a pressure surface 6 of the pressure roller 4.
- This pressure surface 6 is inclined towards the outside relative to the longitudinal axis of the tool pin 3, starting from the blank 11, so that an initially approximately funnel-shaped hub is formed, as is shown on the right in the drawing.
- the angle of inclination ⁇ of the pressure surface 6 is preferably 3-5 °.
- the trailing roller 7 follows the spinning roller 4 immediately, whereby it is supported on the correspondingly machined surface of the round blank 11.
- the trailing roller 7 also has a pressure surface 13, which, however, runs parallel to the central axis of the tool pin 3. Hence the initially inclined
- Hub 12 pressed against the tool pin 3 and comes to rest there, so that a concentric cylindrical shape of the hub 12 is formed.
- the trailing roller 7 On its side facing away from the round blank 11, the trailing roller 7 has a shoulder 8, which represents an end limitation in the design of the hub 12 and the latter
- the tool pin 3 has a circumferential shoulder 9 which also forms a stop against which the hub 12 abuts.
- the respective abutment surfaces of the shoulder 9 and the shoulder 8 are in one plane.
- annular gap 10 is formed between the shoulder 8 and the tool pin 3, into which excess material can flow during the hub formation, so that an otherwise precise design of the hub 12 is possible without problems. This excess part can then be removed in a machining process.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Adornments (AREA)
- Forging (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10144834 | 2001-09-12 | ||
DE10144834A DE10144834A1 (de) | 2001-09-12 | 2001-09-12 | Vorrichtung zur Herstellung eines eine konzentrische Nabe aufweisenden Formkörpers |
PCT/EP2002/009994 WO2003022483A1 (fr) | 2001-09-12 | 2002-09-06 | Dispositif de production d'un corps moule pourvu d'un moyeu concentrique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1425120A1 true EP1425120A1 (fr) | 2004-06-09 |
EP1425120B1 EP1425120B1 (fr) | 2008-03-26 |
Family
ID=7698718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02787476A Revoked EP1425120B1 (fr) | 2001-09-12 | 2002-09-06 | Dispositif et methode de production d'un corps moule pourvu d'un moyeu concentrique |
Country Status (10)
Country | Link |
---|---|
US (1) | US20040168496A1 (fr) |
EP (1) | EP1425120B1 (fr) |
JP (1) | JP2005501732A (fr) |
KR (1) | KR20040039342A (fr) |
AT (1) | ATE390227T1 (fr) |
CA (1) | CA2458039A1 (fr) |
DE (2) | DE10144834A1 (fr) |
DK (1) | DK1425120T3 (fr) |
ES (1) | ES2304461T3 (fr) |
WO (1) | WO2003022483A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE366628T1 (de) * | 2005-04-13 | 2007-08-15 | Repkon Machine And Tool Indust | Verfahren zum anformen einer nut |
US8883960B2 (en) | 2007-01-04 | 2014-11-11 | Sk Chemicals Co., Ltd. | Polyarylene sulfide resin with excellent luminosity and preparation method thereof |
CN102151737A (zh) * | 2011-04-25 | 2011-08-17 | 董利强 | 一种皮带轮毛坯旋压加工工艺 |
CN109158469B (zh) * | 2018-08-03 | 2020-05-19 | 华中科技大学 | 一种圆环形板料环形凸台渐进增厚成形方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB590211A (en) * | 1944-01-31 | 1947-07-10 | Standard Telephones Cables Ltd | Methods of and means for rolling annular metal bodies |
WO1994020235A1 (fr) * | 1993-03-02 | 1994-09-15 | Wf-Maschinenbau Und Blechformtechnik Gmbh & Co. Kg | Procedes de realisation sans enlevement de copeaux d'un moyeu d'organe de transmission |
JP2719563B2 (ja) * | 1995-10-25 | 1998-02-25 | 日本イスエード株式会社 | 段付きプーリーの製造方法 |
US5951422A (en) * | 1996-06-24 | 1999-09-14 | The Gates Corporation | Hub and pulley with radially inward annular collar |
JP3387831B2 (ja) * | 1998-03-09 | 2003-03-17 | 小島プレス工業株式会社 | 円筒部が一体形成されてなる金属製品の製造方法 |
JP3738218B2 (ja) * | 1999-07-28 | 2006-01-25 | 株式会社カネミツ | 板金製部材およびその製造方法 |
DE10033089A1 (de) * | 2000-02-15 | 2001-08-23 | Wf Maschinenbau Blechformtech | Verfahren zur spanlosen Herstellung eines Bauteiles mit Nabe |
WO2001066278A1 (fr) * | 2000-03-10 | 2001-09-13 | Kanemitsu Corporation | Procede de refendage, dispositif de refendage et procede de fabrication d'un patin de frein en tole par refendage |
JP3812329B2 (ja) * | 2000-03-14 | 2006-08-23 | 日産自動車株式会社 | 塑性加工方法 |
US6598443B2 (en) * | 2000-04-26 | 2003-07-29 | A. J. Rose Manufacturing Co. | Blind bore hub and method of forming |
JP4561008B2 (ja) * | 2000-09-26 | 2010-10-13 | アイシン・エィ・ダブリュ株式会社 | 円筒部材の製造方法、及び円筒部材の製造装置 |
-
2001
- 2001-09-12 DE DE10144834A patent/DE10144834A1/de not_active Ceased
-
2002
- 2002-09-06 CA CA002458039A patent/CA2458039A1/fr not_active Abandoned
- 2002-09-06 KR KR10-2004-7003492A patent/KR20040039342A/ko not_active Application Discontinuation
- 2002-09-06 EP EP02787476A patent/EP1425120B1/fr not_active Revoked
- 2002-09-06 DE DE50211980T patent/DE50211980D1/de not_active Revoked
- 2002-09-06 DK DK02787476T patent/DK1425120T3/da active
- 2002-09-06 JP JP2003526600A patent/JP2005501732A/ja active Pending
- 2002-09-06 ES ES02787476T patent/ES2304461T3/es not_active Expired - Lifetime
- 2002-09-06 WO PCT/EP2002/009994 patent/WO2003022483A1/fr active IP Right Grant
- 2002-09-06 AT AT02787476T patent/ATE390227T1/de not_active IP Right Cessation
- 2002-09-06 US US10/793,246 patent/US20040168496A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO03022483A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2005501732A (ja) | 2005-01-20 |
ATE390227T1 (de) | 2008-04-15 |
WO2003022483A1 (fr) | 2003-03-20 |
DE50211980D1 (de) | 2008-05-08 |
DE10144834A1 (de) | 2003-03-27 |
KR20040039342A (ko) | 2004-05-10 |
DK1425120T3 (da) | 2008-07-21 |
EP1425120B1 (fr) | 2008-03-26 |
US20040168496A1 (en) | 2004-09-02 |
CA2458039A1 (fr) | 2003-03-20 |
ES2304461T3 (es) | 2008-10-16 |
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