EP0329925A2 - Device for manufacturing work pieces such as pulleys with multiple V-profiles, or the like - Google Patents

Device for manufacturing work pieces such as pulleys with multiple V-profiles, or the like Download PDF

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Publication number
EP0329925A2
EP0329925A2 EP89100058A EP89100058A EP0329925A2 EP 0329925 A2 EP0329925 A2 EP 0329925A2 EP 89100058 A EP89100058 A EP 89100058A EP 89100058 A EP89100058 A EP 89100058A EP 0329925 A2 EP0329925 A2 EP 0329925A2
Authority
EP
European Patent Office
Prior art keywords
edging
circumference
pulleys
profiles
compression
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
Application number
EP89100058A
Other languages
German (de)
French (fr)
Other versions
EP0329925B1 (en
EP0329925A3 (en
Inventor
Udo Friese
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WF Maschinenbau und Blechformtecknik GmbH and Co KG
Original Assignee
WF Maschinenbau und Blechformtecknik GmbH and Co KG
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Application filed by WF Maschinenbau und Blechformtecknik GmbH and Co KG filed Critical WF Maschinenbau und Blechformtecknik GmbH and Co KG
Publication of EP0329925A2 publication Critical patent/EP0329925A2/en
Publication of EP0329925A3 publication Critical patent/EP0329925A3/en
Application granted granted Critical
Publication of EP0329925B1 publication Critical patent/EP0329925B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 invention relates to a device according to the preamble of the claim.
  • the invention has for its object to improve the known from the generic DE-PS 35 39 835 tool so that even when using a so-called upsetting process, a cylindrical contact surface is created in which the application of a recess in the central area, so flush with the Level of the round blank is possible.
  • a compression roller 1 is shown, on the circumference of which a semicircular compression groove 2 is provided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Pulleys (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

In a known edging method for the production of pulleys with multiple V-profiles, a cleavage/edging roller is used which, in its central, effective working region, has a small cutting tip projecting above the circumference of the cleavage/edging roller. As a result, there must always be a depression in the central region of the cylindrical bearing face. In order to avoid this disadvantage, an edging roller is proposed which is equipped with a semicircular edging groove on its circumference, with the result that the circular blank worked by it has a compression at its outer circumference, into which, after deformation, a raised portion can now also be formed without problems in the central region of the cylindrical bearing face. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Vorrichtung gemäß dem Oberbegriff des Patentanspruches.The invention relates to a device according to the preamble of the claim.

In der gattungsbildenden DE-PS 35 39 835 wird eine Spalt-/Stauchrolle beschrieben, mit der angestrebt wird, daß beiderseits des Mittelteils einer Ronde zwei senkrecht zum Mittelteil stehende Flansche ausgeformt werden, die in ihrer Gesamtheit eine größere Wandstärke als das Mittelteil aufweisen, wobei aber ein Auswandern der Ronde während des Verformungsvorganges, ein Einknicken oder ein Reißen des gebildeten zylindrischen Teils mit Si­cherheit ausgeschaltet wird. Mit dieser bekannten Vorrichtung wird im mittleren Teil der Ronde immer eine durch die Schneidspitze bedingte Einpressung erzielt, so daß beim Herstellen einer Poly-V-Schei­be immer im mittleren Bereich der zylindrischen Auflagefläche eine Vertiefung sein muß, da sonst hier eine durch die Schneidspitze bedingte Schwä­chung und Materialbeeinflussung vorliegt.In the generic DE-PS 35 39 835 a split / compression roller is described, with which the aim is that two flanges perpendicular to the central part are formed on both sides of the central part of a blank, which in their entirety have a greater wall thickness than the central part, whereby but a migration of the round blank during the deformation process, a buckling or tearing of the cylindrical part formed is definitely eliminated. With this known device, an indentation caused by the cutting tip is always achieved in the central part of the round blank, so that when producing a poly-V disc, there must always be a depression in the central region of the cylindrical contact surface, since otherwise there is a weakening caused by the cutting tip and material influence.

Aus der Literaturstelle "Machinery and production engineering", Januar 1977, ist ein Verfahren bekannt, bei welcher mittels einer im nuttiefsten halbkreis­förmig gebogenen Stauchrolle eine Verdickung des Randbereiches einer Ronde angestrebt wird. Hierbei wird die im wesentlichen halbkreisförmig im nut­tiefsten gestaltete Stauchnut in ihrem Randbereich durch parallel zu den Außenseiten der Ronde verlau­fende Wandabschnitte begrenzt. Ein Stauchen des äußeren Randbereiches der Ronde ist in der Praxis mit einer solchen Stauchrolle nicht möglich, da, wenn der Radius der Stauchnut in eine ebene Fläche übergeht, Reibungskräfte entstehen, die nicht mehr beherrschbar sind und eine Materialverformung erfolgt, die nicht fließend und kontinuierlich ist.From the reference "Machinery and production engineering", January 1977, a method is known in which a thickening of the edge region of a round blank is aimed at by means of a compression roller bent in the deepest semicircle. In this case, the compression groove, which is essentially semicircular in the groove-deepest, is delimited in its edge region by wall sections running parallel to the outer sides of the round blank. A compression of the outer edge area of the round blank is not possible in practice with such a compression roller, since when the radius of the compression groove merges into a flat surface, frictional forces arise that can no longer be controlled and a material deformation occurs that is not fluid and continuous .

Der Erfindung liegt die Aufgabe zugrunde, das aus der gattungsbildenden DE-PS 35 39 835 bekannte Werkzeug so zu verbessern, daß auch bei Einsatz eines sogenannten Stauchverfahrens eine zylin­drische Auflagefläche geschaffen wird, in der das Anbringen einer Vertiefung im mittleren Bereich, also fluchtend mit der Ebene der Ronde möglich ist.The invention has for its object to improve the known from the generic DE-PS 35 39 835 tool so that even when using a so-called upsetting process, a cylindrical contact surface is created in which the application of a recess in the central area, so flush with the Level of the round blank is possible.

Diese der Erfindung zugrundeliegende Aufgabe wird durch die Lehre des Patentanspruches gelöst.This object on which the invention is based is achieved by the teaching of the patent claim.

Mit anderen Worten ausgedrückt wird vorgeschlagen, in der Stauchrolle an ihrer Arbeitsseite, d. h. an ihrem Umfang, eine Stauchnut vorzusehen, die also um­gekehrt arbeitet und wirkt, wie die in der gattungs­bildenden Literaturstelle beschriebene Schneidspitze und die die Umfangsseite der eigentlichen Ronde wul­stig verformt. Diese Wulst wird dann anschließend durch weitere Stauchrollen so bearbeitet, daß die zylindrische Auflagefläche geschaffen wird, in der die letzte Stauchrolle die Nuten der Poly-V-Scheibe einpreßt. Hierbei ist es nunmehr möglich, daß auch im mittleren Bereich dieser Nuten, d. h. also fluchtend mit der Ebene der Ronde, eine Erhebung vorgesehen ist. Dieses ist dann nötig, wenn bei­spielsweise drei Erhebungen über die Breite der Auf­lagefläche vorgesehen sein sollen oder fünf, d. h. also eine ungerade Anzahl, und diese Anzahl der Er­hebungen richtet sich nach dem Einsatzzweck der Poly-V-Scheibe.In other words, it is proposed to provide a compression groove in the compression roll on its working side, that is to say on its circumference, which therefore works and works in reverse, like the cutting tip described in the generic literature reference and which bulges the circumferential side of the actual blank. This bead is then processed by further upsetting rollers so that the cylindrical support surface is created, in which the last compression roller presses the grooves of the poly-V disc. It is now possible that an elevation is also provided in the central region of these grooves, ie in alignment with the plane of the round blank. This is necessary if, for example, three elevations across the width of the support surface are to be provided or five, ie an odd number, and this number of elevations depends on the purpose of the poly-V pane.

Ein Ausführungsbeispiel wird nachfolgend anhand der Zeichnung erläutert. Die Zeichnung zeigt in Fig. 1 bis 4 verschiedene Stadien des Arbeitsverfahrens.An embodiment is explained below with reference to the drawing. The drawing shows in Fig. 1 to 4 different stages of the working process.

In der Zeichnung ist eine Stauchrolle 1 gezeigt, an deren Umfang eine halbkreisförmig ausgebil­dete Stauchnut 2 vorgesehen ist.In the drawing, a compression roller 1 is shown, on the circumference of which a semicircular compression groove 2 is provided.

An einer Ronde 3 wird an ihrem Umfang eine wulst­förmige Stauchung 4 durch das Zusammenwirken mit der Stauchnut 2 erzielt, die weitere Verformung der Ron­de 3 dargestellt, und in der letzten Darstellung ist erkennbar, daß durch die Poly-V-Stauchrolle 1c nunmehr die Einkerbungen in die zylindrische Auf­lagefläche 5 eingepreßt werden, wobei, wie dies die Zeichnung deutlich zeigt, fluchtend mit der Ebene der Ronde nunmehr auch im mittleren Teil der zylin­drischen Auflagefläche eine Erhebung geschaffen werden kann.On a circular blank 3, a bulge-shaped upsetting 4 is achieved on its circumference through the interaction with the compression groove 2, the further deformation of the circular blank 3 is shown, and in the last illustration it can be seen that the notches in FIG the cylindrical bearing surface 5 are pressed in, whereby, as the drawing clearly shows, in alignment with the plane of the round blank an elevation can now also be created in the central part of the cylindrical bearing surface.

Claims (1)

Vorrichtung zur Herstellung von eine Nabe und eine sich koaxial, d. h. im wesentlichen senkrecht zur Nabenfläche erstreckende zylindrische Auflagefläche aufweisenden Werkstücken, wie Poly-V-Scheiben, Felgen od. dgl., mit einer den Randbereich einer Ronde beaufschlagenden Stauchrolle, die den Randbe­reich der Ronde nach beiden Seiten hin verformt, wobei die so erzielte Auflagefläche der Ronde an­schließend weiterbearbeitet wird, dadurch gekenn­zeichnet, daß die Stauchrolle (1) auf ihrem Umfang eine im wesentlichen halbkreisförmige Stauchnut (2) aufweist.Device for producing a hub and a work piece, such as poly-V discs, rims or the like, which extends coaxially, that is to say essentially perpendicularly to the hub surface, with a compression roller which acts on the edge region of a round blank and which supports the edge region of the round blank deformed towards both sides, the bearing surface of the round blank thus obtained being subsequently further processed, characterized in that the compression roller (1) has an essentially semicircular compression groove (2) on its circumference.
EP89100058A 1988-02-26 1989-01-04 Device for manufacturing work pieces such as pulleys with multiple v-profiles, or the like Expired - Lifetime EP0329925B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3806024 1988-02-26
DE3806024A DE3806024C1 (en) 1988-02-26 1988-02-26

Publications (3)

Publication Number Publication Date
EP0329925A2 true EP0329925A2 (en) 1989-08-30
EP0329925A3 EP0329925A3 (en) 1990-11-07
EP0329925B1 EP0329925B1 (en) 1993-09-15

Family

ID=6348212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89100058A Expired - Lifetime EP0329925B1 (en) 1988-02-26 1989-01-04 Device for manufacturing work pieces such as pulleys with multiple v-profiles, or the like

Country Status (3)

Country Link
EP (1) EP0329925B1 (en)
DE (2) DE3806024C1 (en)
ES (1) ES2045195T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0493593A1 (en) * 1990-07-20 1992-07-08 Kabushiki Kaisha Kanemitsu Method of producing component parts of a fluid chamber
EP0517572A1 (en) * 1991-06-06 1992-12-09 Aubecq Auxi S.A. Method of making a pulley, apparatus for making the same and pulley so produced
FR2677279A1 (en) * 1991-06-06 1992-12-11 Aubecq Auxi Sa Method of manufacturing a pulley and device for its implementation

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4013238C2 (en) * 1990-04-26 1993-12-02 Wf Maschinenbau Blechformtech Device for the production of workpieces, such as poly-V discs, rims or the like.
DE4236636C2 (en) * 1992-10-30 1995-08-10 Leifeld Gmbh & Co Process for the production of a brake shoe
DE4322645C2 (en) * 1993-07-07 1995-08-10 Dieter Kirschdorf Process for producing a ring brake shoe
JP2700717B2 (en) * 1995-01-27 1998-01-21 株式会社カネミツ Method of manufacturing sheet metal poly-V groove pulley and sheet metal poly-V groove pulley
DE19723073C2 (en) * 1997-06-02 1999-05-06 Fischer & Kaufmann Gmbh & Co K Process for producing a rotationally symmetrical workpiece
DE102012100985A1 (en) 2012-02-07 2013-08-08 WF Maschinenbau und Blechformtechnik GmbH & Co. KG Method for manufacturing gear components, involves clamping metal blank with non-circular outer contour in tool and displacing in rotation around rotational axis, and transforming outer periphery of metal blank into axial area by rollers

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE227171C (en) *
GB218977A (en) * 1923-07-12 1925-10-15 Friedrich Im Schlaa Improvements relating to the cold rolling of the rims of circular discs
FR2527953A3 (en) * 1982-06-02 1983-12-09 Ducellier & Cie Method of forming grooved pulley - entails pressing blank in two jaw die, shaping rim with conical roller and forming grooves with roller cutter
JPS61129241A (en) * 1984-11-28 1986-06-17 Fuji Kiko Co Ltd Production of pulley
JPS61238432A (en) * 1985-04-16 1986-10-23 Terufumi Nojigawa Forming method of periphery part of flat parts
EP0204032A2 (en) * 1985-06-01 1986-12-10 Winkelmann &amp; Pannhoff GmbH Pulley, especially a multiple V-pulley, and method of making rotation-symmetrical objects from a material deformable without chipping
EP0143032B1 (en) * 1983-10-21 1988-04-20 Aubecq Auxi S.A. Manufacturing method of a multiple v-groove pulley, and pulley so produced

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE227171C (en) *
GB218977A (en) * 1923-07-12 1925-10-15 Friedrich Im Schlaa Improvements relating to the cold rolling of the rims of circular discs
FR2527953A3 (en) * 1982-06-02 1983-12-09 Ducellier & Cie Method of forming grooved pulley - entails pressing blank in two jaw die, shaping rim with conical roller and forming grooves with roller cutter
EP0143032B1 (en) * 1983-10-21 1988-04-20 Aubecq Auxi S.A. Manufacturing method of a multiple v-groove pulley, and pulley so produced
JPS61129241A (en) * 1984-11-28 1986-06-17 Fuji Kiko Co Ltd Production of pulley
JPS61238432A (en) * 1985-04-16 1986-10-23 Terufumi Nojigawa Forming method of periphery part of flat parts
EP0204032A2 (en) * 1985-06-01 1986-12-10 Winkelmann &amp; Pannhoff GmbH Pulley, especially a multiple V-pulley, and method of making rotation-symmetrical objects from a material deformable without chipping

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MACHINERY AND PRODUCTION ENGINEERING, Band 130, Nr. 3345, 26. Januar 1977, Seite 95, Burgen Hill, GB; "Roll-form thickening sprocket blanks" *
PATENT ABSTRACTS OF JAPAN, Band 10, Nr. 323 (M-531)[2379], 5. November 1986; & JP-A-61 129 241 (FUJI KIKO CO., LTD) 17-06-1986 *
PATENT ABSTRACTS OF JAPAN, Band 11, Nr. 82 (M-571)Ü2529], 12. März 1987; & JP-A-61 238 432 (TERUFUMI NOJIGAWA) 23-10-1986 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0493593A1 (en) * 1990-07-20 1992-07-08 Kabushiki Kaisha Kanemitsu Method of producing component parts of a fluid chamber
EP0493593A4 (en) * 1990-07-20 1992-08-05 Kabushiki Kaisha Kanemitsu Method of producing component parts of a fluid chamber
EP0517572A1 (en) * 1991-06-06 1992-12-09 Aubecq Auxi S.A. Method of making a pulley, apparatus for making the same and pulley so produced
FR2677279A1 (en) * 1991-06-06 1992-12-11 Aubecq Auxi Sa Method of manufacturing a pulley and device for its implementation
FR2677278A1 (en) * 1991-06-06 1992-12-11 Aubecq Auxi Sa METHOD FOR MANUFACTURING PULLEY, DEVICE FOR IMPLEMENTATION AND PULLEY OBTAINED

Also Published As

Publication number Publication date
DE58905574D1 (en) 1993-10-21
EP0329925B1 (en) 1993-09-15
DE3806024C1 (en) 1989-03-23
EP0329925A3 (en) 1990-11-07
ES2045195T3 (en) 1994-01-16

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