WO2001060543A1 - Bauteil mit nabe, sowie verfahren zur dessen spanlosen herstellung - Google Patents
Bauteil mit nabe, sowie verfahren zur dessen spanlosen herstellung Download PDFInfo
- Publication number
- WO2001060543A1 WO2001060543A1 PCT/EP2001/000698 EP0100698W WO0160543A1 WO 2001060543 A1 WO2001060543 A1 WO 2001060543A1 EP 0100698 W EP0100698 W EP 0100698W WO 0160543 A1 WO0160543 A1 WO 0160543A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hub
- metal blank
- hole
- diameter
- stepped hole
- Prior art date
Links
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- 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
- B21D53/261—Making other particular articles wheels or the like pulleys
Definitions
- the invention relates to a method for the non-cutting production of a component - in particular a transmission component - with a hub, the hub having a stepped hole, by means of cold-forming in the pressing process, in which the hub, which extends essentially radially to the plane of the metal disk, consists of a rotating metal blank with a through hole by means of at least a rotating spinning roller is shaped in that the spinning roller is fed radially from the outside inwards, at least at times and in sections, immersing it in the metal blank, and a hub which can be produced by such a method.
- the stepped hole geometry of the hub after pressing always corresponds the thickness of the metal blank in this B ereich before molding the hub.
- the invention aims to provide a method which, unlike the prior art, can also be used to implement hubs with stepped hole geometries which differ from the initial thickness of the metal blank in this area.
- the invention achieves this aim by the subject matter of claim 1. It is therefore formed on the inner circumference of the hub a material web extending essentially inwards from the hub in that at least a section of a front spacer is arranged at a distance from the metal blank when the hub is formed, so that when the hub material is formed, material of the metal blank flows into the area between the metal blank and the step-up element and thus forms the stepped hole.
- the step-up and / or the pin has a widening diameter in the area of the through-hole outside the through-hole, so that the area of the web during manufacture of the hub is increased compared to the initial thickness of the metal blank, which was not possible with US 5,951,422.
- the step-up and / or the pin is provided in the area of the through-hole with one or more diameter (s) which is / are smaller than the diameter of the through-hole, so that material is formed from the inside when the hub is formed Diameter of the metal blank flows inwards and the diameter and / or the height of the web of the hub is reduced compared to the initial thickness of the metal blank. So it's surprising too It is possible to make the web thinner in terms of its thickness and smaller in terms of its diameter than the starting material of the metal blank, if the metal blank is provided with a correspondingly large through-hole, into which the step-in plunger has a stepped area. This was also not possible according to the teaching of US 5,951,422.
- the inner circumferential web in the region of the stepped hole can take on almost any shape with the aid of the invention. If the extension is conical (at least in the area of the section that dips into the through hole), the web also assumes a conical shape in this area. Analogously, further contours can be formed in the area of the inner circumference, e.g. any curvature or gradation of any kind.
- Fig. La, b a first embodiment of a method according to the invention
- FIG. 3 shows an exemplary embodiment of a method for producing a hub according to the prior art.
- a metal blank (sheet metal plate) 1 is shown, which is held on its outer circumference by a tool 3, the through-hole 5 of the metal blank penetrating a stepped extension 7 with a conical centering tip 8.
- the step 9 is formed at a distance from the sheet metal blank, not only the hub 15 is pressed when moving a rotating pressure roller 11 with a shoulder 13 to limit the radial extension from the outside inwards, but also material is placed between the stackers 7 and pressed the metal blank 3, which forms the stepped hole 17, the web height S of which is now greater than the initial thickness B of the metal blank.
- the stepped hole 17 is thus formed from material of the metal blank 1, which flows out of the metal blank 1 into the actual stepped hole area or is pressed.
- a web height S2 is realized which is smaller than the thickness B of the metal blank 1, the diameter of the stepped hole 17 also being smaller than the diameter of the through hole of the metal blank 1.
- the blank 1 is first Tool 3 fixed to the outer diameter and inserted with its gradation 9 in the through hole.
- the step 9 leads to the formation of a stop edge or a stepped hole 17 with a reduced diameter compared to the initial diameter of the round blank and with a reduced height of the web in the stepped hole 17.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
- Punching Or Piercing (AREA)
- Mechanical Operated Clutches (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/203,745 US6688149B2 (en) | 2000-02-15 | 2001-01-23 | Component with a hub, and a non-cutting production method therefor |
EP01901192A EP1263539B1 (de) | 2000-02-15 | 2001-01-23 | Verfahren zur spanlosen herstellung eines bauteils mit nabe |
CA002399102A CA2399102C (en) | 2000-02-15 | 2001-01-23 | Component with a hub, and non-cutting production method therefor |
DE50107363T DE50107363D1 (de) | 2000-02-15 | 2001-01-23 | Verfahren zur spanlosen herstellung eines bauteils mit nabe |
JP2001559626A JP3787092B2 (ja) | 2000-02-15 | 2001-01-23 | ハブを備えた部材の非切断製造方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10006803 | 2000-02-15 | ||
DE10006803.0 | 2000-02-15 | ||
DE10033089.4 | 2000-07-07 | ||
DE10033089A DE10033089A1 (de) | 2000-02-15 | 2000-07-07 | Verfahren zur spanlosen Herstellung eines Bauteiles mit Nabe |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001060543A1 true WO2001060543A1 (de) | 2001-08-23 |
Family
ID=26004349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/000698 WO2001060543A1 (de) | 2000-02-15 | 2001-01-23 | Bauteil mit nabe, sowie verfahren zur dessen spanlosen herstellung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1263539B1 (de) |
JP (1) | JP3787092B2 (de) |
CA (1) | CA2399102C (de) |
DE (1) | DE50107363D1 (de) |
ES (1) | ES2244580T3 (de) |
WO (1) | WO2001060543A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007023972A1 (de) | 2007-05-23 | 2008-11-27 | Wf-Maschinenbau Und Blechformtechnik Gmbh & Co Kg | Verfahren zur Herstellung einer Nabe im Drückverfahren mittels wenigstens einer drehbaren Drückrolle |
JP2019171414A (ja) * | 2018-03-28 | 2019-10-10 | アイシン・エィ・ダブリュ株式会社 | ボス部成形方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254540A (en) * | 1978-09-27 | 1981-03-10 | William Bilak | Stamped bevel gear |
DE4444526C1 (de) * | 1994-11-30 | 1995-11-30 | Wf Maschinenbau Blechformtech | Drückvorrichtung zur spanlosen Herstellung einer Nabe eines die Nabe aufweisenden Getriebeteiles |
EP0815983A1 (de) * | 1996-06-24 | 1998-01-07 | The Gates Corporation | Nabe, Riemenscheibe und Verfahren |
-
2001
- 2001-01-23 ES ES01901192T patent/ES2244580T3/es not_active Expired - Lifetime
- 2001-01-23 DE DE50107363T patent/DE50107363D1/de not_active Expired - Lifetime
- 2001-01-23 JP JP2001559626A patent/JP3787092B2/ja not_active Expired - Lifetime
- 2001-01-23 CA CA002399102A patent/CA2399102C/en not_active Expired - Lifetime
- 2001-01-23 EP EP01901192A patent/EP1263539B1/de not_active Expired - Lifetime
- 2001-01-23 WO PCT/EP2001/000698 patent/WO2001060543A1/de active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254540A (en) * | 1978-09-27 | 1981-03-10 | William Bilak | Stamped bevel gear |
DE4444526C1 (de) * | 1994-11-30 | 1995-11-30 | Wf Maschinenbau Blechformtech | Drückvorrichtung zur spanlosen Herstellung einer Nabe eines die Nabe aufweisenden Getriebeteiles |
EP0815983A1 (de) * | 1996-06-24 | 1998-01-07 | The Gates Corporation | Nabe, Riemenscheibe und Verfahren |
Also Published As
Publication number | Publication date |
---|---|
CA2399102A1 (en) | 2001-08-23 |
EP1263539A1 (de) | 2002-12-11 |
EP1263539B1 (de) | 2005-09-07 |
JP2003522645A (ja) | 2003-07-29 |
ES2244580T3 (es) | 2005-12-16 |
DE50107363D1 (de) | 2005-10-13 |
CA2399102C (en) | 2009-02-03 |
JP3787092B2 (ja) | 2006-06-21 |
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