EP2151289B1 - Method for manufacturing a housing ring - Google Patents
Method for manufacturing a housing ring Download PDFInfo
- Publication number
- EP2151289B1 EP2151289B1 EP08014252A EP08014252A EP2151289B1 EP 2151289 B1 EP2151289 B1 EP 2151289B1 EP 08014252 A EP08014252 A EP 08014252A EP 08014252 A EP08014252 A EP 08014252A EP 2151289 B1 EP2151289 B1 EP 2151289B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- blank
- housing ring
- housing
- manufacturing
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims abstract description 5
- 238000010008 shearing Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000007598 dipping method Methods 0.000 abstract description 2
- 239000013067 intermediate product Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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
- B21K21/02—Producing blanks in the shape of discs or cups as semifinished articles for making hollow articles, e.g. to be deep-drawn or extruded
-
- 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
- B21K1/64—Making machine elements nuts
- B21K1/68—Making machine elements nuts from round or profiled bars
Definitions
- a method for producing a housing ring that is an annular housing, for example in the form of a collar housing are known per se from the prior art, as well as annular housing, for example in the form of collar housings as such. A separate documentary proof is therefore not required at this point.
- the method steps listed above are preferably carried out in succession on a multi-stage transverse transport press, so that the housing ring can be completed in only one operation by the method according to the invention, without mechanical work, in particular mechanical reworking being required. Overall, the method according to the invention proves to be easy to handle and economical to carry out.
- a further advantage of the method according to the invention is that a semifinished product in the form of a wire bundle, a so-called wire coil, can be used as the starting material.
- the procurement, warehousing and processing can be standardized in an advantageous manner and thus simplified.
- a housing ring that is an annular housing, for example in the form of a collar housing is carried out by the novel process exclusively by cold forming.
- a mechanical processing in particular a mechanical post-processing does not take place. Rather, the finished housing ring production takes place in only one machining operation with the following method steps, which are preferably carried out successively on a multi-stage transverse transport press.
- a blank is first separated from the wire bundle, by shearing.
- a separation can be done instead of by shearing, for example, by section. It is preferable to use a wire with a diameter of 19 mm, so that the blank is circular in cross-section and has a diameter of 19 mm. The vertical extent of the blank results in dependence of the use-adjustable separation length. This can be adjusted according to the desired manner to be produced housing ring needs. It goes without saying that other wire diameters than 19 mm can be used.
- the blank end face is planed. This is preferably done by setting.
- cup-shaped recesses are respectively introduced into the blank end faces, which takes place by combined cup extruding.
- a method step for forming a circumferential annular groove can be provided by upsetting.
- a plurality of annular grooves can be formed by a plurality of successive upsetting operations.
- annular groove a design of an annular groove, a plurality of annular grooves or even no annular groove can be provided. It is essential to the invention that the finished housing ring production takes place solely by cold forming, that is to say a final production is carried out without mechanical reworking.
- a steel wire made of C15 steel is used as the wire.
- other types of steel may be used, depending on which material properties the later housing ring should have.
- a heat treatment This is preferably carried out after the step of planing, that is before the step of the combined cup extrusion.
- the inventive method relates to the production of a housing ring, ie an annular housing, for example in the form of a collar housing.
- a housing ring 2 which can be produced by the method according to the invention is shown in FIG Fig. 2 shown.
- Fig. 2 shows the final design, but not to scale.
- the starting point for the process implementation is a blank 1.
- This blank 1 is formed by separating a wire section from a wound into a federal government and in Fig. 1 not shown wire. The separation of the wound wire to create the blank 1 can be done for example by shearing.
- the blank 1 is then plungestäucht in a step of setting, namely to form flat blank end faces 3 and 4.
- the result of the process step of the planer dipping by setting is the intermediate product. 5
- the intermediate product 5 is then subjected to a combined cup extrusion in a next process step, as a result cup-shaped recesses 6 and 7 are introduced into the end faces 3 and 4.
- the result of this process step is the intermediate product 8.
- a hollow backward pressing is then carried out. This produces the intermediate product 11.
- the intermediate product 11 is then provided with a circumferential annular groove 12, which is done by upsetting. The result is formed with an annular groove 12 intermediate product 13th
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Wire Processing (AREA)
- Rolling Contact Bearings (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Verfahren zur Herstellung eines Gehäuserings, das heißt eines ringförmigen Gehäuses beispielsweise in Form eines Bundgehäuses sind aus dem Stand der Technik an sich bekannt, ebenso wie ringförmige Gehäuse beispielsweise in Form von Bundgehäusen als solche. Eines gesonderten druckschriftlichen Nachweises bedarf es an dieser Stelle deshalb nicht.A method for producing a housing ring, that is an annular housing, for example in the form of a collar housing are known per se from the prior art, as well as annular housing, for example in the form of collar housings as such. A separate documentary proof is therefore not required at this point.
Bei aus dem Stand der Technik vorbekannten Verfahren zur Herstellung von ringförmigen Gehäusen finden zumindest zum Teil mechanische Bearbeitungen, wie zum Beispiel drehen, fräsen, bohren oder dergleichen statt. Dies gilt es insbesondere aus handhabungs- und fertigungstechnischen Gründen zu vermeiden, weshalb der Erfindung die Aufgabe zugrundeliegt, ein neuartiges Verfahren zur Herstellung eines Gehäuserings anzugeben.In previously known from the prior art method for the production of annular housings find at least partially mechanical operations, such as turning, milling, drilling or the like instead. This is to be avoided, in particular for handling and manufacturing reasons, which is why the invention is based on the object of specifying a novel method for producing a housing ring.
Zur Lösung dieser Aufgabe wird mit der Erfindung vorgeschlagen ein Verfahren zur Herstellung eines Gehäuserings aus einem zu einem Bund aufgewickelten Draht durch ausschließliches Kaltumformen mit den folgenden Schritten:
- Abtrennen eines Rohlings vom Drahtbund durch Scheren,
- Planstauchen der Rohlingstimflächen,
- kombiniertes Napf-Fließpressen,
- Lochen,
- Hohlrückwärtspressen,
- Ausbilden einer umlaufenden Ringnut durch Stauchen und
- Anreduzieren der Walzkanten.
- Separating a blank from the wire bundle by shearing,
- Flat diving of the blank tiles,
- combined cup extrusion,
- punching,
- Hollow backward pressing,
- Forming a circumferential annular groove by upsetting and
- Anreduzieren the rolling edges.
Die voraufgeführten Verfahrensschritte werden hintereinander vorzugsweise auf einer mehrstufigen Quertransportpresse durchgeführt, so dass der Gehäusering nach dem erfindungsgemäßen Verfahren in nur einem Arbeitsvorgang fertiggestellt werden kann, und zwar ohne dass mechanische Arbeiten, insbesondere mechanische Nacharbeiten erforderlich wären. Das erfindungsgemäße Verfahren erweist sich damit insgesamt als einfach in der Handhabung und kostengünstig in der Durchführung.The method steps listed above are preferably carried out in succession on a multi-stage transverse transport press, so that the housing ring can be completed in only one operation by the method according to the invention, without mechanical work, in particular mechanical reworking being required. Overall, the method according to the invention proves to be easy to handle and economical to carry out.
Ein weiterer Vorteil des erfindungsgemäßen Verfahrens liegt darin, dass als Ausgangsmaterial ein Halbzeug in Form eines Drahtbundes, eines sogenannten Drahtcoils verwendet werden kann. Die Beschaffung, Lagerhaltung und Verarbeitung kann so in vorteilhafter Weise standardisiert und damit vereinfacht werden.A further advantage of the method according to the invention is that a semifinished product in the form of a wire bundle, a so-called wire coil, can be used as the starting material. The procurement, warehousing and processing can be standardized in an advantageous manner and thus simplified.
Die Herstellung eines Gehäuserings, das heißt eines ringförmigen Gehäuses beispielsweise in Form eines Bundgehäuses erfolgt nach dem erfindungsgemäßen Verfahren ausschließlich durch Kaltumformen. Eine mechanische Bearbeitung, insbesondere eine mechanische Nachbearbeitung findet nicht statt. Die endfertige Gehäuseringherstellung erfolgt vielmehr in nur einem Bearbeitungsvorgang mit den folgenden Verfahrensschritten, die bevorzugter Weise nacheinander auf einer mehrstufigen Quertransportpresse durchgeführt werden.The production of a housing ring, that is an annular housing, for example in the form of a collar housing is carried out by the novel process exclusively by cold forming. A mechanical processing, in particular a mechanical post-processing does not take place. Rather, the finished housing ring production takes place in only one machining operation with the following method steps, which are preferably carried out successively on a multi-stage transverse transport press.
In einem ersten Schritt wird zunächst vom Drahtbund ein Rohling abgetrennt, und zwar durch scheren. Ein Abtrennen kann anstelle durch Scheren beispielsweise auch durch Abschnitt erfolgen. Es kommt bevorzugter Weise ein Draht mit einem Durchmesser von 19 mm zum Einsatz, so dass der Rohling in Querschnitt kreisförmig ausgebildet ist und einen Durchmesser von 19 mm aufweist. Die Höhenerstreckung des Rohlings ergibt sich in Abhängigkeit der verwendungsgerecht einstellbaren Abtrennlänge. Diese kann je nach wünschenswerter Weise herzustellendem Gehäusering bedarfsgerecht eingestellt werden. Es versteht sich im Übrigen von selbst, dass auch andere Drahtdurchmesser als 19 mm verwendet werden können.In a first step, a blank is first separated from the wire bundle, by shearing. A separation can be done instead of by shearing, for example, by section. It is preferable to use a wire with a diameter of 19 mm, so that the blank is circular in cross-section and has a diameter of 19 mm. The vertical extent of the blank results in dependence of the use-adjustable separation length. This can be adjusted according to the desired manner to be produced housing ring needs. It goes without saying that other wire diameters than 19 mm can be used.
Nach Abtrennen des Rohlings vom Drahtbund erfolgt ein Planstauchen der Rohlingstirnfläche. Dies geschieht bevorzugter Weise mittels Setzen.After the blank has been separated from the wire bundle, the blank end face is planed. This is preferably done by setting.
In einem nachfolgenden Verfahrensschritt werden in die Rohlingstirnflächen jeweils napfförmige Ausnehmungen eingebracht, was durch ein kombiniertes Napf-Fließpressen erfolgt.In a subsequent method step, cup-shaped recesses are respectively introduced into the blank end faces, which takes place by combined cup extruding.
In einem weiteren Verfahrensschritt erfolgt die Ausbildung einer durchgehenden Ausnehmung durch Lochen. Das Ergebnis dieses Verfahrensschrittes ist ein ringförmiges Zwischenprodukt.In a further method step, the formation of a continuous recess by punching takes place. The result of this process step is an annular intermediate.
Es folgt sodann ein Hohlvorwärtspressen, gefolgt von einem Anreduzieren der Walzenkanten.It then follows a hollow forward pressing, followed by an Anreduzieren the roll edges.
Zwischen den beiden zuletzt genannten Verfahrensschritten kann ein Verfahrensschritt zur Ausbildung einer umlaufenden Ringnut durch Stauchen vorgesehen sein. Es können dabei selbstredend mehrere Ringnuten durch mehrere aufeinander nachfolgende Stauchvorgänge ausgebildet werden.Between the two last-mentioned method steps, a method step for forming a circumferential annular groove can be provided by upsetting. Of course, a plurality of annular grooves can be formed by a plurality of successive upsetting operations.
Je nach Gehäuseringtyp kann eine Ausbildung einer Ringnut, mehrerer Ringnuten oder gar keiner Ringnut vorgesehen sein. Es ist von erfindungswesentlicher Bedeutung, dass die endfertige Gehäuseringherstellung allein durch Kaltumformen erfolgt, das heißt eine endfertige Erstellung ohne mechanische Nachbearbeitung durchgeführt wird.Depending on the type of housing ring, a design of an annular groove, a plurality of annular grooves or even no annular groove can be provided. It is essential to the invention that the finished housing ring production takes place solely by cold forming, that is to say a final production is carried out without mechanical reworking.
Bevorzugter Weise wird als Draht ein Stahldraht aus C15-Stahl verwendet. Es können selbstredend aber auch andere Stahlsorten zum Einsatz kommen, je nachdem welche Materialeigenschaften der spätere Gehäusering aufweisen soll. Um die Materialeigenschaften wunschgemäß zu beeinflussen, kann zudem vorgesehen sein, eine Wärmebehandlung durchzuführen. Diese erfolgt bevorzugter Weise nach dem Verfahrensschritt des Planstauchens, das heißt vor dem Verfahrensschritt des kombinierten Napf-Fließpressens.Preferably, a steel wire made of C15 steel is used as the wire. Of course, other types of steel may be used, depending on which material properties the later housing ring should have. In order to influence the material properties as desired, may also be provided to perform a heat treatment. This is preferably carried out after the step of planing, that is before the step of the combined cup extrusion.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung anhand der Figuren. Dabei zeigen:
- Fig. 1
- in einem schematischen Ablaufdiagramm das erfindungsgemäße Verfahren und
- Fig. 2
- in einer geschnittenen Seitenansicht einen nach dem erfindungsgemäßen Verfahren hergestellten Gehäusering.
- Fig. 1
- in a schematic flow diagram, the inventive method and
- Fig. 2
- in a sectional side view of a housing ring produced by the process according to the invention.
Das erfindungsgemäße Verfahren betrifft die Herstellung eines Gehäuserings, d. h. eines ringförmigen Gehäuses, beispielsweise in Form eines Bundgehäuses. Ein solcher nach dem erfindungsgemäßen Verfahren herstellbarer Gehäusering 2 ist in
Zur Erzeugung der endfertigen Gehäusekontur gemäß des in
Ausgangspunkt für die Verfahrensdurchführung ist ein Rohling 1. Dieser Rohling 1 entsteht durch Abtrennen eines Drahtabschnittes von einem zu einem Bund aufgewickelten und in
Der Rohling 1 wird sodann in einem Verfahrensschritt des Setzens plangestaucht, und zwar zur Ausbildung planer Rohlingstirnflächen 3 und 4. Das Ergebnis des Verfahrensschritts des Planstauchens durch Setzen ist das Zwischenprodukt 5.The blank 1 is then plungestäucht in a step of setting, namely to form flat
Das Zwischenprodukt 5 wird sodann in einem nächsten Verfahrensschritt einem kombinierten Napf-Fließpressen ausgesetzt, infolgedessen napfförmige Ausnehmungen 6 und 7 in die Stirnflächen 3 und 4 eingebracht werden. Das Ergebnis dieses Verfahrensschrittes ist das Zwischenprodukt 8.The
In einem nächsten Verfahrensschritt erfolgt die Ausbildung einer durchgehenden Ausnehmung 9 durch Lochen, was im Ergebnis zum Zwischenprodukt 10 führt.In a next method step, the formation of a continuous recess 9 by punching, resulting in the result to the
In einem weiteren Verfahrensschritt erfolgt dann ein Hohlrückwärtspressen. Es entsteht das Zwischenprodukt 11. Das Zwischenprodukt 11 wird sodann mit einer umlaufenden Ringnut 12 versehen, was durch Stauchen erfolgt. Es entsteht das mit einer Ringnut 12 ausgebildete Zwischenprodukt 13.In a further method step, a hollow backward pressing is then carried out. This produces the
In einem letzten Verfahrensschritt werden die Walzkanten durch Anreduzieren umgeformt. Im Ergebnis dieses letzten Verfahrensschrittes entsteht das endfertige Produkt, das heißt der Gehäusering 2, wie er in
Die Besonderheit des vorerläuterten Verfahrens besteht darin, dass dies die Herstellung eines Gehäuserings 2 ausschließlich durch Kaltumformen ermöglicht. Eine mechanische, beispielsweise spanende Bearbeitung insbesondere Nachbearbeitung ist nicht erforderlich. Am Ende der Verfahrensdurchführung steht ein endfertig hergestellter Gehäusering.The peculiarity of the above-explained method is that this allows the production of a
- 11
- Rohlingblank
- 22
- Gehäuseringhousing ring
- 33
- Stirnflächeface
- 44
- Stirnflächeface
- 55
- Zwischenproduktintermediate
- 66
- napfförmige Ausnehmungcup-shaped recess
- 77
- napfförmige Ausnehmungcup-shaped recess
- 88th
- Zwischenproduktintermediate
- 99
- durchgehende Ausnehmungthrough recess
- 1010
- Zwischenproduktintermediate
- 1111
- Zwischenproduktintermediate
- 1212
- Nutgroove
- 1313
- Zwischenproduktintermediate
Claims (4)
- A method for manufacturing a housing ring (2) from a wire wound up to form a coil, exclusively by cold forming and comprising the following steps:- cutting off a blank (1) from the wire coil by shearing,- compressing the front faces (3, 4) of the blank by flattening,- combined can extrusion process,- punching,- hollow backward extrusion,- optionally forming a peripheral annular groove (12) by compression, and- reducing the rolled edges.
- The method according to Claim 1, characterised in that the method steps of the cold forming are carried out by means of a multi-stage cross transfer press.
- The method according to one of the preceding claims, characterised in that a steel wire made of C15 steel is used as the wire.
- The method according to one of the preceding claims, characterised in that a wire with a diameter of 19 mm is used as the wire.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES08014252T ES2341915T3 (en) | 2008-08-09 | 2008-08-09 | PROCEDURE FOR THE MANUFACTURE OF AN ANNULAR BODY. |
EP08014252A EP2151289B1 (en) | 2008-08-09 | 2008-08-09 | Method for manufacturing a housing ring |
DE502008000496T DE502008000496D1 (en) | 2008-08-09 | 2008-08-09 | Method for producing a housing ring |
AT08014252T ATE462510T1 (en) | 2008-08-09 | 2008-08-09 | METHOD FOR PRODUCING A HOUSING RING |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08014252A EP2151289B1 (en) | 2008-08-09 | 2008-08-09 | Method for manufacturing a housing ring |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2151289A1 EP2151289A1 (en) | 2010-02-10 |
EP2151289B1 true EP2151289B1 (en) | 2010-03-31 |
Family
ID=40251778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08014252A Active EP2151289B1 (en) | 2008-08-09 | 2008-08-09 | Method for manufacturing a housing ring |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2151289B1 (en) |
AT (1) | ATE462510T1 (en) |
DE (1) | DE502008000496D1 (en) |
ES (1) | ES2341915T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9759532B2 (en) | 2010-09-17 | 2017-09-12 | Schott Ag | Ring-shaped or plate-like element and method for producing same |
DE102010045624C5 (en) * | 2010-09-17 | 2018-10-04 | Schott Ag | Ring or plate-shaped element |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010045641A1 (en) | 2010-09-17 | 2012-03-22 | Schott Ag | Process for producing a ring-shaped or plate-shaped element |
CN102896271A (en) * | 2011-07-26 | 2013-01-30 | 锻压制造克雷费尔德有限两合公司 | Method for producing collar |
EP3127630B1 (en) * | 2015-08-04 | 2020-03-18 | Felix L. Sorkin | Cold heading formed wedge for use in post tensioning concrete |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0489153A (en) * | 1990-07-30 | 1992-03-23 | Daido Steel Co Ltd | Cold and warm forging method for cylindrical body |
JPH0679394A (en) * | 1991-06-05 | 1994-03-22 | Maruzen Byora:Kk | Manufacture of sleeve with expanding slot |
ITVR20020118A1 (en) * | 2002-11-12 | 2004-05-13 | Amafa Service S R L | METHOD TUBULAR ELEMENTS PROCEDURE. |
JP2006136976A (en) * | 2004-11-12 | 2006-06-01 | Ntn Corp | Method for manufacturing roller of rocker arm |
JP2008178885A (en) * | 2007-01-23 | 2008-08-07 | Tsukiboshi Seisakusho:Kk | Method for producing cylindrical component, and die for drilling used therefor |
-
2008
- 2008-08-09 AT AT08014252T patent/ATE462510T1/en active
- 2008-08-09 EP EP08014252A patent/EP2151289B1/en active Active
- 2008-08-09 DE DE502008000496T patent/DE502008000496D1/en active Active
- 2008-08-09 ES ES08014252T patent/ES2341915T3/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9759532B2 (en) | 2010-09-17 | 2017-09-12 | Schott Ag | Ring-shaped or plate-like element and method for producing same |
US9885548B2 (en) | 2010-09-17 | 2018-02-06 | Schott Ag | Ring-shaped or plate-like element and method for producing same |
DE102010045624C5 (en) * | 2010-09-17 | 2018-10-04 | Schott Ag | Ring or plate-shaped element |
Also Published As
Publication number | Publication date |
---|---|
EP2151289A1 (en) | 2010-02-10 |
ES2341915T3 (en) | 2010-06-29 |
ATE462510T1 (en) | 2010-04-15 |
DE502008000496D1 (en) | 2010-05-12 |
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