EP1909985A1 - Verfahren zum umformen einer blechronde - Google Patents
Verfahren zum umformen einer blechrondeInfo
- Publication number
- EP1909985A1 EP1909985A1 EP06762175A EP06762175A EP1909985A1 EP 1909985 A1 EP1909985 A1 EP 1909985A1 EP 06762175 A EP06762175 A EP 06762175A EP 06762175 A EP06762175 A EP 06762175A EP 1909985 A1 EP1909985 A1 EP 1909985A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- diameter
- metal blank
- sheet metal
- thickness
- tool
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000009987 spinning Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49481—Wheel making
Definitions
- the invention relates to a method for forming a sheet metal blank with a central hole which rests on a rotating tool about an axis and has a thickness al and a diameter dl which is smaller than the diameter of the tool.
- the invention has the object to go new ways in the transformation of sheet metal blanks by means of spinning rollers.
- one or more spinning roller preferably first immersed axially in the material of the sheet metal blank and then moved radially outward (this is to be understood that the way pressure roller at least one component of movement in the radial direction), whereby the surface of the circular sheet metal plate radially is increased in all directions, so that from the sheet metal blank with the initial diameter dl and the thickness al a rotationally symmetric part, in particular a sheet metal blank with a larger diameter d2 and at least partially or continuously reduced thickness a2 is produced.
- the invention it is possible to produce a sheet metal blank or directly a rotationally symmetric part, in particular a gear part, with a larger diameter d2 and an at least partially or continuously reduced thickness a2 from a sheet metal blank having an initial diameter d1 and a thickness al. It is even possible to increase the diameter by more than 10%, in particular more than 20%.
- the term of the sheet metal blank is not too narrow in view of the part produced by the forming. It is on the one hand possible to produce a flat sheet metal blank. However, this can also be contoured if the tool is contoured accordingly.
- the sheet metal blank can be processed or further processed directly into a gear part or the like.
- the method can be used in a wide variety of fields.
- a preferred application is the enlargement of "small" circular blanks, as they occur, for example, in the production of wheel discs for lorries, which would otherwise have to be scrapped.
- the invention is a use for a different purpose, eg for the production of Radschdorfln for Smaller commercial vehicles still possible. The resulting cost advantage is not to be underestimated.
- FIG. 1 shows a metal blank as the starting workpiece
- Fig. 2 shows the metal blank of Fig. 1 in dashed lines on a tool and with solid lines after the forming.
- Fig. 1 shows a sheet metal blank 1, preferably with a central hole 2, which rests in Fig. 2 on a rotatable about an axis 3 tool 4 (on a spindle not shown here a spinning machine) and has a thickness al and a diameter dl.
- the sheet metal blank 1 is preferably held on the central hole 2.
- the axial length of the pin 5 may be smaller, the same size or larger than the thickness dl of the circular sheet metal dl.
- the sheet metal blank 1 is preferably made of a cast iron or other formable by pressing other metal.
- the tool 4 extends radially in all directions beyond the outer circumference of the sheet metal blank 1 with a preferably circular shape. It preferably has a flat surface, but may also be formed contoured.
- one or more freely rotatable press rollers 7 are arranged, which can be delivered at least axially in the direction x of the workpiece and radially in the direction r, also in superimposed movements.
- the spinning roller 7 is delivered axially in the direction x at a distance from the outer circumference, preferably close to the centric hole or even at the edge of the centric hole, whereby it is immersed in the workpiece , Then or while it is radially moved in the direction r outward so that it presses material of the sheet metal blank 1 in front of it radially outward.
- the surface of the blank 1 is radially enlarged in all directions, and surprisingly without crack formation in the outer circumferential region.
- a freely rotatable hold-down roller 8 in the outer peripheral region can additionally prevent the blank material from bulging out of the plane of the sheet metal blank 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06762175T PL1909985T3 (pl) | 2005-07-25 | 2006-06-24 | Sposób obróbki plastycznej okrągłego wykroju z blachy |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005035229 | 2005-07-25 | ||
DE102005035519A DE102005035519A1 (de) | 2005-07-25 | 2005-07-26 | Verfahren zum Umformen einer Blechronde |
PCT/EP2006/006105 WO2007012367A1 (de) | 2005-07-25 | 2006-06-24 | Verfahren zum umformen einer blechronde |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1909985A1 true EP1909985A1 (de) | 2008-04-16 |
EP1909985B1 EP1909985B1 (de) | 2014-04-30 |
Family
ID=37192363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06762175.5A Revoked EP1909985B1 (de) | 2005-07-25 | 2006-06-24 | Verfahren zum umformen einer blechronde |
Country Status (9)
Country | Link |
---|---|
US (1) | US20090211323A1 (de) |
EP (1) | EP1909985B1 (de) |
JP (1) | JP2009502508A (de) |
KR (1) | KR20080026192A (de) |
CA (1) | CA2614931A1 (de) |
DE (1) | DE102005035519A1 (de) |
ES (1) | ES2484800T3 (de) |
PL (1) | PL1909985T3 (de) |
WO (1) | WO2007012367A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1026796C2 (nl) * | 2004-08-06 | 2006-02-07 | Fontijne Grotnes B V | Werkwijze en inrichting voor het door middel van koude vervorming vervaardigen van een velgring. |
CN101966555A (zh) * | 2009-07-28 | 2011-02-09 | 上海兴浦旋压车轮有限公司 | 一种车轮辗压成型方法 |
CN104759851A (zh) * | 2015-04-07 | 2015-07-08 | 常州龙之合飞轮总成系统有限公司 | 一种发动机飞轮成型新工艺 |
CN114042844A (zh) * | 2021-11-09 | 2022-02-15 | 常州和仕达机械装备制造有限公司 | 异形环件的水平辗轧成型装置 |
CN114042843A (zh) * | 2021-11-09 | 2022-02-15 | 常州和仕达机械装备制造有限公司 | 异形环件的水平辗轧工艺及成型装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD236824A1 (de) | 1985-04-30 | 1986-06-18 | Karl Marx Stadt Haushaltgeraet | Metalldrueckverfahren zur herstellung von schlagzeugbecken |
DD283088A5 (de) | 1989-05-16 | 1990-10-03 | Karl Marx Stadt Haushaltgeraet | Verfahren zum herstellen von rundmesserschneiden |
DE10033239A1 (de) | 2000-07-10 | 2002-01-24 | Wf Maschinenbau Blechformtech | Verfahren zur Herstellung einer Verstellscheibe eines stufenlosen Getriebes |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19524089C1 (de) * | 1995-07-01 | 1996-09-05 | Wf Maschinenbau Blechformtech | Verfahren und Vorrichtung zur Herstellung eines Getriebeteiles aus einer Metallronde |
DE10108498C1 (de) * | 2001-02-22 | 2002-08-22 | Wf Maschinenbau Blechformtech | Vorrichtung zur spanlosen Herstellung eines eine konzentrische Nabe aufweisenden Formkörpers |
DE10160038C1 (de) * | 2001-12-06 | 2003-03-13 | Winkelmann & Pannhoff Gmbh & C | Verfahren zur Herstellung eines rotationssymmetrischen Bauteils |
EP1697066B1 (de) * | 2003-11-17 | 2008-01-02 | Wf-Maschinenbau Und Blechformtechnik Gmbh & Co. Kg | Verfahren zur herstellung eines flansches an einer blechronde |
-
2005
- 2005-07-26 DE DE102005035519A patent/DE102005035519A1/de not_active Withdrawn
-
2006
- 2006-06-24 JP JP2008523151A patent/JP2009502508A/ja active Pending
- 2006-06-24 ES ES06762175.5T patent/ES2484800T3/es active Active
- 2006-06-24 EP EP06762175.5A patent/EP1909985B1/de not_active Revoked
- 2006-06-24 US US11/988,814 patent/US20090211323A1/en not_active Abandoned
- 2006-06-24 WO PCT/EP2006/006105 patent/WO2007012367A1/de active Application Filing
- 2006-06-24 CA CA002614931A patent/CA2614931A1/en not_active Abandoned
- 2006-06-24 KR KR1020087001823A patent/KR20080026192A/ko not_active Application Discontinuation
- 2006-06-24 PL PL06762175T patent/PL1909985T3/pl unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD236824A1 (de) | 1985-04-30 | 1986-06-18 | Karl Marx Stadt Haushaltgeraet | Metalldrueckverfahren zur herstellung von schlagzeugbecken |
DD283088A5 (de) | 1989-05-16 | 1990-10-03 | Karl Marx Stadt Haushaltgeraet | Verfahren zum herstellen von rundmesserschneiden |
DE10033239A1 (de) | 2000-07-10 | 2002-01-24 | Wf Maschinenbau Blechformtech | Verfahren zur Herstellung einer Verstellscheibe eines stufenlosen Getriebes |
Non-Patent Citations (1)
Title |
---|
See also references of WO2007012367A1 |
Also Published As
Publication number | Publication date |
---|---|
JP2009502508A (ja) | 2009-01-29 |
WO2007012367A1 (de) | 2007-02-01 |
EP1909985B1 (de) | 2014-04-30 |
KR20080026192A (ko) | 2008-03-24 |
ES2484800T3 (es) | 2014-08-12 |
US20090211323A1 (en) | 2009-08-27 |
DE102005035519A1 (de) | 2007-02-01 |
CA2614931A1 (en) | 2007-02-01 |
PL1909985T3 (pl) | 2014-12-31 |
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