DE102011118989A1 - Metal bellows coupling useful for torsionally-stiff rotational power transfer, comprises metal bellows welded with mounting hub, where weld seam is realized using steel ring such that cohesive connection is formed between bellows and hub - Google Patents

Metal bellows coupling useful for torsionally-stiff rotational power transfer, comprises metal bellows welded with mounting hub, where weld seam is realized using steel ring such that cohesive connection is formed between bellows and hub Download PDF

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Publication number
DE102011118989A1
DE102011118989A1 DE102011118989A DE102011118989A DE102011118989A1 DE 102011118989 A1 DE102011118989 A1 DE 102011118989A1 DE 102011118989 A DE102011118989 A DE 102011118989A DE 102011118989 A DE102011118989 A DE 102011118989A DE 102011118989 A1 DE102011118989 A1 DE 102011118989A1
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Germany
Prior art keywords
metal bellows
hub
bellows
steel
welded
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Ceased
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DE102011118989A
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German (de)
Inventor
Lothar Faust
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UEV UEBERLASTSCHUTZ U VERBINDUNGSSYSTEME GmbH
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UEV UEBERLASTSCHUTZ U VERBINDUNGSSYSTEME GmbH
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Priority to DE102011118989A priority Critical patent/DE102011118989A1/en
Publication of DE102011118989A1 publication Critical patent/DE102011118989A1/en
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/72—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/06—Tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/18—Dissimilar materials
    • B23K2103/20—Ferrous alloys and aluminium or alloys thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
    • F16D1/027—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like non-disconnectable, e.g. involving gluing, welding or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/0852—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft
    • F16D1/0864—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft due to tangential loading of the hub, e.g. a split hub

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Diaphragms And Bellows (AREA)

Abstract

Metal bellows coupling comprises metal bellows (4) made of steel, which functions as an offset compensation element, and is welded with a mounting hub (1) made of aluminum. A weld seam (2) is realized using a steel ring (3) inserted in an aluminum hub such that a cohesive connection is formed between the steel bellows and the aluminum mounting hub.

Description

Metallbalgkupplungen sind in der heutigen Antriebstechnik weit verbreitete Maschinenelemente, welche die Aufgabe besitzen rotatorische Leistungen zu übertragen. Dieser Kupplungstyp zeichnet sich vor Allem dadurch aus, dass er Wellenversätze zwischen den Komponenten eines Antriebsstrangs bei sehr hoher Torsionssteifigkeit flexibel ausgleichen kann. Zudem haben die als Ausgleichselement eingesetzten Metallbälge gegenüber anderen Arten von Ausgleichselementen ein sehr geringes Gewicht, so dass das Verhältnis von Massenträgheit und übertragbarem Drehmoment besonders günstig ist.Metal bellows couplings are widely used machine elements in today's drive technology, which have the task of transmitting rotary powers. This type of clutch is characterized in particular by the fact that it can flexibly compensate shaft misalignments between the components of a drive train with very high torsional rigidity. In addition, the metal bellows used as compensation element over other types of compensation elements have a very low weight, so that the ratio of inertia and transmissible torque is particularly favorable.

Auf dem Markt sind viele Bauformen von Metallbalgkupplungen verfügbar, wobei sich hauptsächlich Metallbalgausgleichelemente aus rostfreiem Stahl durchgesetzt haben. Dies rührt in erster Linie daher, dass hochlegierte Stähle ein besonders großes Umformvermögen besitzen, und somit für die umformtechnische Herstellung der Bälge bestens geeignet sind. Werkstoffe für die Anbaunaben sind in der Regel Stahl oder Aluminium.Many types of metal bellows couplings are available on the market, with mainly metal bellows compensating elements made of stainless steel having prevailed. This stems primarily from the fact that high-alloy steels have a particularly large forming capacity, and thus are ideally suited for the forming of the bellows. Materials for the hubs are usually steel or aluminum.

Der große Unterschied bei diesen Kupplungen liegt in den Verfahren, welche eingesetzt werden, um die Anbaunaben mit dem Metallbalg zu verbinden.The big difference with these couplings lies in the methods used to connect the hubs to the metal bellows.

Im einfachsten Fall sind die Anbaunaben mit dem Metallbalg verklebt. Hierbei können auch unterschiedliche Werkstoffkombinationen problemlos zusammengefügt werden. Häufig werden hier leichte Aluminiumanbaunaben mit einem Stahlbalg verklebt.In the simplest case, the hubs are glued to the metal bellows. Here also different material combinations can be assembled without any problems. Often light aluminum hubs are glued here with a steel bellows.

Auch werden unterschiedliche Press- oder Klemmverfahren eingesetzt, um den Stahlbalg mit Anbaunaben aus Aluminium oder Stahl zu verbinden. Eine Möglichkeit hierzu ist in der Patentschrift DE2422181C2 beschrieben.Also, different pressing or clamping methods are used to connect the steel bellows with mounting hubs made of aluminum or steel. One way to do this is in the patent DE2422181C2 described.

Gerade in den letzten Jahren sind Kupplungen mit Anbaunaben aus Stahl weit verbreitet, bei welchen ein Stahlbalg mit den Anbaunaben verschweißt ist. Der Erfolg dieser Schweißverbindungen ist nicht zuletzt auf modernste Schweißverfahren zurückzuführen, welche es ermöglicht haben, den in der Regel sehr dünnwandigen Balg problemlos an den viel massiveren Anbaunaben zu befestigen.Especially in recent years, clutches with steel hubs are widely used, in which a steel bellows is welded to the hubs. The success of these welds is not least due to state-of-the-art welding processes, which have made it possible to fix the usually very thin-walled bellows to the much more massive hubs without problems.

Problem:Problem:

In der heutigen Zeit kommen immer mehr hochdynamische Antriebe zum Einsatz, bei welchen der Einsatz von Metallbalgkupplungen, als spielfreie und torsionssteife Verbindung, unumgänglich geworden ist. Gleichzeitig sind die Anforderungen an diesen Kupplungstyp immer weiter gestiegen, besonders in den Punkten Massenträgheit und Belastbarkeit. Und genau hier zeigen die bisherigen Metallbalgkupplungen ihre Grenzen auf. Metallbalgkupplungen mit verklebten Bälgen scheitern oft an der Einbauumgebung da dort höhere Temperaturen oder Schmiermittel vorhanden sein können, welche die Klebeverbindung zerstören, oder scheitern wie auch Kupplungen mit verpressten bzw. verklemmten Balgen an den häufigen, schnellen Lastwechseln, welche bei den immer dynamischer werdenden Antrieben ständig auftreten. Varianten, bei welchen die Anbaunaben aus Stahl mit dem Metallbalg verschweißt sind, halten in der Regel den Belastungen stand, besitzen jedoch eine zu große Massenträgheit.Today, more and more highly dynamic drives are used, in which the use of metal bellows couplings, as a backlash-free and torsionally rigid connection, has become essential. At the same time, the demands on this type of coupling have continued to increase, especially in terms of mass inertia and load capacity. And this is exactly where the previous metal bellows couplings are showing their limits. Metal bellows couplings with glued bellows often fail in the installation environment as there may be higher temperatures or lubricants that destroy the adhesive bond, or fail as well as couplings with crimped bellows to the frequent, rapid load changes that are constantly occurring in increasingly dynamic drives occur. Variants in which the steel hubs are welded to the metal bellows usually withstand the stresses, but have too high a mass inertia.

Aufgabe:Task:

Es soll eine Metallbalgkupplung entwickelt werden, welche die geringe Masse einer mit Aluminiumanbaunaben ausgerüsteten Kupplung besitzt, die aber zudem so belastbar ist, wie eine Kupplung, bei welcher der Metallbalg mit Anbaunaben aus Stahl verschweißt ist. Es muss eine Möglichkeit gefunden werden, wie man einen Metallbalg aus Stahl mit Anbaunaben aus Aluminium verschweißen kann.It is to be developed a metal bellows, which has the low mass of a equipped with aluminum hubs hub clutch, but also as strong as a clutch, in which the metal bellows is welded to steel hubs. There is a need to find a way to weld a steel metal bellows with aluminum hubs.

Lösung:Solution:

Die Lösung ist eine Metallbalgkupplung, zum verdrehsteifen übertragen rotatorischer Leistung, wobei der als Versatzausgleichelement funktionierende Metallbalg (4) aus Stahl mit der Anbaunabe (1) aus Aluminium verschweißt ist, dadurch gekennzeichnet dass die Schweißnaht (2) mit Hilfe eines in die Aluminiumnabe eingebrachten Stahlrings (3) realisiert wird, so dass eine stoffschlüssige Verbindung zwischen dem Stahlbalg und der Aluminiumanbaunabe entsteht.The solution is a metal bellows coupling, for torsionally stiff transmit rotary power, the functioning as an offset compensation element metal bellows ( 4 ) made of steel with the add-on hub ( 1 ) is welded from aluminum, characterized in that the weld ( 2 ) by means of a steel ring inserted into the aluminum hub ( 3 ) is realized, so that a cohesive connection between the steel bellows and the Aluminiumanbaunabe arises.

Bekannter Weise lassen sich Aluminium und Stahl aufgrund der unterschiedlichen Schmelzpunkte und des unterschiedlichen Wärmeleitverhaltens nicht ohne weiteres miteinander verschweißen. Aus diesem Grund wird bei der hier genannten Kupplung ein Stahlring in der Aluminiumnabe eingebracht, welcher das Verschweißen des Metallbalgs und der Aluminiumnabe überhaupt erst ermöglicht. Ein weiterer wesentlicher Schritt besteht darin genau die richtige Energiemenge in die Schweißnaht einzubringen, so dass der Stahlring einerseits eine stoffschlüssige Verbindung mit dem Metallbalg und andererseits mit der angrenzenden Aluminiumnabe eingeht.Known manner, aluminum and steel can not be welded together easily due to the different melting points and the different Wärmeleitverhaltens. For this reason, in the case of the coupling mentioned here, a steel ring is introduced into the aluminum hub, which makes the welding of the metal bellows and the aluminum hub possible in the first place. Another important step is to introduce just the right amount of energy into the weld, so that the steel ring on the one hand enters into a cohesive connection with the metal bellows and on the other hand with the adjacent aluminum hub.

Erreichte Vorteile:Achieved benefits:

Die neue Metallbalgkupplung in verschweißter Ausführung hat durch die Aluminiumnaben ein wesentlich günstigeres Trägheitsmoment als bisherige verschweißte Kupplungen mit Stahlnaben.The new metal bellows coupling in welded design has a much lower moment of inertia due to the aluminum hubs than previous welded couplings with steel hubs.

Die Schweißverbindung ermöglicht den Einsatz der Kupplung in hochdynamischen Antrieben. The welded connection enables the use of the coupling in highly dynamic drives.

Häufige Lastwechsel oder Vibrationen Schaden der Kupplung nicht.Frequent load changes or vibrations do not damage the coupling.

Die Kupplung ist unempfindlich gegenüber höheren Temperaturen und Schmierstoffen.The coupling is insensitive to higher temperatures and lubricants.

Die Kupplung kann wirtschaftlicher hergestellt werden, als ihre Vorgänger mit Anbaunaben aus Stahl.The coupling can be made more economical than its predecessor with steel hubs.

Ausführungsbeispiele:EXAMPLES

In den angehängten Zeichnungen (1 und 2) ist die Erfindung der Beschreibung entsprechend dargestellt. Die Abbildung zeigt den in die Aluminiumnaben eingelegten Stahlring, welcher diese Art der Verbindung überhaupt erst ermöglicht.In the attached drawings ( 1 and 2 ), the invention of the description is shown accordingly. The figure shows the steel ring inserted in the aluminum hub, which makes this type of connection possible in the first place.

Die neue Kupplung gemäß der Ansprüche 1 und 2 kann in verschiedenen Baugrößen und Ausführungen hergestellt und damit den Randbedingungen des Anwenders angepasst werden.The new clutch according to claims 1 and 2 can be manufactured in different sizes and designs and thus adapted to the boundary conditions of the user.

Es wäre auch möglich, dass ein Stahlring axial auf die Aluminiumnabe gesteckt wird, oder auch dass der Metallbalg sowie der Zusatzwerkstoff innerhalb einer axialen Eindrehung in der Aluminiumnabe platziert werden.It would also be possible for a steel ring to be axially seated on the aluminum hub, or for the metal bellows as well as the filler material to be placed within an axial recess in the aluminum hub.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Aluminiumnabealuminum hub
22
SchweißnahtWeld
33
Stahlringsteel ring
44
Metallbalgmetal bellows

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • DE 2422181 C2 [0005] DE 2422181 C2 [0005]

Claims (2)

Metallbalgkupplung, zum verdrehsteifen übertragen rotatorischer Leistung, wobei der als Versatzausgleichelement funktionierende Metallbalg (4) aus Stahl mit der Anbaunabe (1) aus Aluminium verschweißt ist, dadurch gekennzeichnet dass die Schweißnaht (2) mit Hilfe eines in die Aluminiumnabe eingebrachten Stahlrings (3) realisiert wird, so dass eine stoffschlüssige Verbindung zwischen dem Stahlbalg und der Aluminiumanbaunabe entsteht.Metallbalgkupplung, for torsionally stiff transmit rotary performance, said functioning as an offset compensation element metal bellows ( 4 ) made of steel with the add-on hub ( 1 ) is welded from aluminum, characterized in that the weld ( 2 ) by means of a steel ring inserted into the aluminum hub ( 3 ) is realized, so that a cohesive connection between the steel bellows and the Aluminiumanbaunabe arises. Metallbalgkupplung nach Patentanspruch 1, dadurch gekennzeichnet, dass ein Zusatzwerkstoff innerhalb der Schweißnaht eingesetzt wird, um den Schweißvorgang zwischen dem dünnwandigen Metallbalg aus Stahl und den massiveren Anbaunaben aus Aluminium zu realisieren.Metallbalgkupplung according to claim 1, characterized in that a filler material is used within the weld to realize the welding process between the thin-walled metal bellows made of steel and the solid hubs of aluminum.
DE102011118989A 2011-11-19 2011-11-19 Metal bellows coupling useful for torsionally-stiff rotational power transfer, comprises metal bellows welded with mounting hub, where weld seam is realized using steel ring such that cohesive connection is formed between bellows and hub Ceased DE102011118989A1 (en)

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DE102011118989A DE102011118989A1 (en) 2011-11-19 2011-11-19 Metal bellows coupling useful for torsionally-stiff rotational power transfer, comprises metal bellows welded with mounting hub, where weld seam is realized using steel ring such that cohesive connection is formed between bellows and hub

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DE102011118989A DE102011118989A1 (en) 2011-11-19 2011-11-19 Metal bellows coupling useful for torsionally-stiff rotational power transfer, comprises metal bellows welded with mounting hub, where weld seam is realized using steel ring such that cohesive connection is formed between bellows and hub

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DE102011118989A1 true DE102011118989A1 (en) 2013-05-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019211003A1 (en) 2018-05-03 2019-11-07 Sew-Eurodrive Gmbh & Co. Kg Method for producing a clutch, and clutch, in particular for a geared motor
DE102020114017A1 (en) 2020-05-26 2021-12-02 Schaeffler Technologies AG & Co. KG Compensating coupling
CN114939750A (en) * 2022-04-13 2022-08-26 浙江骏马弹簧制造有限公司 Composite spring type flexible coupling and welding method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422181C2 (en) 1974-05-08 1985-06-20 Ludwig Dipl.-Ing.(Fh) 8751 Kleinwallstadt Jakob Torsionally stiff coupling
DE10219446A1 (en) * 2001-05-15 2003-01-09 Luk Lamellen & Kupplungsbau Component connecting process involves embedding auxiliary material in at least one component which is easier to weld than main material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422181C2 (en) 1974-05-08 1985-06-20 Ludwig Dipl.-Ing.(Fh) 8751 Kleinwallstadt Jakob Torsionally stiff coupling
DE10219446A1 (en) * 2001-05-15 2003-01-09 Luk Lamellen & Kupplungsbau Component connecting process involves embedding auxiliary material in at least one component which is easier to weld than main material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019211003A1 (en) 2018-05-03 2019-11-07 Sew-Eurodrive Gmbh & Co. Kg Method for producing a clutch, and clutch, in particular for a geared motor
DE102020114017A1 (en) 2020-05-26 2021-12-02 Schaeffler Technologies AG & Co. KG Compensating coupling
WO2021239171A1 (en) 2020-05-26 2021-12-02 Schaeffler Technologies AG & Co. KG Compensating coupling
CN114939750A (en) * 2022-04-13 2022-08-26 浙江骏马弹簧制造有限公司 Composite spring type flexible coupling and welding method thereof

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Effective date: 20140109