DE856820C - Method for connecting metal parts, in particular sheet metal, to one another - Google Patents

Method for connecting metal parts, in particular sheet metal, to one another

Info

Publication number
DE856820C
DE856820C DEP55245A DEP0055245A DE856820C DE 856820 C DE856820 C DE 856820C DE P55245 A DEP55245 A DE P55245A DE P0055245 A DEP0055245 A DE P0055245A DE 856820 C DE856820 C DE 856820C
Authority
DE
Germany
Prior art keywords
adhesive
another
welding
metal parts
particular sheet
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.)
Expired
Application number
DEP55245A
Other languages
German (de)
Inventor
Florens Dipl-Ing Coester
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.)
Vereinigte Leichtmetallwerke GmbH
Original Assignee
Vereinigte Leichtmetallwerke GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vereinigte Leichtmetallwerke GmbH filed Critical Vereinigte Leichtmetallwerke GmbH
Priority to DEP55245A priority Critical patent/DE856820C/en
Application granted granted Critical
Publication of DE856820C publication Critical patent/DE856820C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/226Non-corrosive coatings; Primers applied before welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/34Preliminary treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Description

Verfahren zur Verbindung von Metallteilen, insbesondere von Blechen miteinander Zur Verbindung von N-letallteilen untereinander wendet man neben den bisher üblichen Verfahren, z. B. Schrauben, Nieten, Löten, Schweißen, neuerdings in steigendem Umfang das Kleben mit geeigiieten organischen Kunststoffen an. Letztere Verbindungsart hat vor allem den Vorteil; daß sie mit einfachen Mitteln ohne Schädigung des Werkstoffes durch Temperatureinflüsse anwendbar ist. Weiterhin "verden bei Klebverbindungen die Kräfte über große Flächen übertragen, so daß Spannungsspitzen, wie sie beispielsweise bei Niet- und auch Punktschweißverbindungen auftreten, vermieden werden.Method for joining metal parts, in particular sheet metal with each other To connect N-letall parts with each other, turn next to the previously common methods, e.g. B. Screws, rivets, soldering, welding, recently to an increasing extent the gluing with suitable organic plastics. Latter The main advantage of the connection type is; that they can be done with simple means without harm of the material can be used due to temperature influences. Furthermore "verden" with adhesive connections The forces are transmitted over large areas, so that voltage peaks such as those for example occur with riveted and spot welded connections.

Die Nachteile der Klebverbindungen bestehen hauptsächlich darin, daß sie bis zum Abbinden des Klebmittels einige Zeit, etwa 3 bis 2.4 Stunden, benötigen, während dessen die zu verbindenden Teile miteinander durch besondere Spannmittel verbunden werden müssen. Außerdem sind Klebverbindungen von Blechen untereinander und auch von Blechen mit starkwandigeren Teilen empfindlich gegen das Loslösen von einer Klebkante her. Diesem letzteren Mangel kann man dadurch begegnen, daß man die Kanten der Verbindung durch besondere formschlüssige Verbindungsmittel, wie z. B. Falze oder Niete, zusätzlich sichert.The disadvantages of the adhesive connections are mainly that they need some time, around 3 to 2.4 hours, for the adhesive to set, during this the parts to be connected to each other by special clamping devices need to be connected. In addition, there are adhesive bonds between metal sheets and also of sheet metal with thicker-walled parts sensitive to loosening an adhesive edge. This latter deficiency can be countered by the edges of the connection by special form-fitting connecting means, such as z. B. folds or rivets, additionally secures.

Cberraschenderweise ergab sich nun bei Versuchen daß es möglich ist, solche Verbindungen, bei denen die elektrische Punkt- oder Rollennahtschweißung angewandt werden kann, also von Blechen untereinander oder von Blechen mit starkwandigeren Teilen, in der Weise herzustellen, daß vor dem Schweißen auf die zu verbindenden Flächen ein- oder beidseitig eines der üblichenorganischen Klebmittel aufgebracht wird, entweder, wie bekannt, in flüssigem Zustand oder in Pulver- oder Folienform, und daß dann durch diese Klebschicht hindurch eine elektrische Punkt- oder Rollennahtschweißung in üblicher Weise vorgenommen werden kann, ohne daß dabei die Festigkeit der Schweißstelle irgendwie beeinträchtigt würde Bei Anwendung eines Klebmittels in Pulver-oder Folienform ist es gegebenenfalls erforderlich, das Klebmittel zu Beginn der Schweißung durch künstliche Erhitzung in einen flüssigen oder plastischen Zustand zu bringen. Dies kann während des Schweißens auch durch die Schweißwärme selbst, insbesondere bei einer Rollennahtschweißung, geschehen.Surprisingly, experiments have now shown that it is possible those connections where the electrical spot or roller seam welding can be used, i.e. from sheets to one another or from sheets with thicker walls Parts, to be made in such a way that before welding on the to be connected One of the usual organic surfaces on one or both sides Adhesive is applied, either, as is known, in the liquid state or in powder or Film shape, and that then through this adhesive layer an electrical point or roller seam welding can be carried out in the usual way without doing so the strength of the weld would somehow be affected if a Adhesive in powder or film form, it may be necessary to use the adhesive at the beginning of the welding by artificial heating in a liquid or plastic To bring state. This can also be caused by the heat of welding during welding happen even, especially in the case of a roller seam weld.

Solche gleichzeitig durch Kleben und Schweißen hergestellte Verbindungen weisen die Vorteile beider Verbindungsarten auf,' nicht aber deren Nachteile, denn man spart die sonst bis zum Abbinden des Klebmittels notwendigen Spannmittel und hat es in der Hand, die Klebverbindungen an den empfindlichen Enden durch die Schweißpunkte besonders zu sichern. Weiterhin treten keine Spannungsspitzen wie bei der Punktschwe.ißung allein im Material mehr auf und es ist möglich, den gegenseitigen Abstand der Schweißstellen erheblich zu vergrößern, ohne daß die Festigkeit der Verbindung dadurch beeinträchtigt würde. Schließlich ist eine solche Verbindung auch vollkommen dicht gegen Flüssigkeits- und Gasdurdhtritt.Such connections made simultaneously by gluing and welding have the advantages of both types of connection, but not their disadvantages, because you save the tensioning means and otherwise necessary until the adhesive has set has it in hand, the adhesive joints at the sensitive ends through the welding points especially secure. Furthermore, there are no voltage peaks as with spot welding solely in the material and it is possible to reduce the mutual spacing of the welds to increase significantly without affecting the strength of the connection would. After all, such a connection is also completely tight against liquid and gas step.

Weiterhin besteht nicht mehr die Gefahr, da.ß in den Spalten von Verbindungsstellen unter dem Einfluß eingedrungener Feuchtigkeit gegebenenfalls Korrosion auftritt. Die neue Verbindungsart hat aus diesen Gründen besondere Bedeutung für den Behälter- und Fahrzeugbau, bei letzterem außerdem auch insofern, als ein Klappern von Verbindungsstellen durch die Füllung mit Klebmittel vermieden wird. Eine nachträgliche Einbringung eines Klebers in eine punkt- oder rollennahtgeschweißte Verbindungsstelle ist in den meisten Fällen dagegen nicht möglich ohne Verunreinigung der umliegenden Zonen und gibt nicht die Gewähr" @daß der Klsbstoff an alle Stellen der Verbindungsflächen hingelangt.Furthermore, there is no longer the risk of that in the gaps of connection points corrosion may occur under the influence of penetrating moisture. For these reasons, the new type of connection is of particular importance for the container and vehicle construction, with the latter also insofar as a rattling of connection points is avoided by filling with adhesive. A subsequent contribution an adhesive in a point or roller seam welded joint is in in most cases, however, not possible without contamination of the surrounding areas and does not guarantee that the adhesive will be applied to all areas of the connecting surfaces got there.

Es ist zwar bekannt beim Punktschweißen von Metallen zwischen die zu verbindenden Flächen ein Dichtungsmittel, wie z. B. Kaltleim oder ein anderes Dichtungsmittel, einzubringen, um die Schweißstelle während des Schweißvorganges nach außen hin abzudichten. Dieses Verfahren hat jedoch mit vorliegender Erfindung nichts zu tun, da es sich hier um .die gleichzeitige Anwendung von Metallklebern und dem Punktschweißverfahren handelt.It is known to be used for spot welding metals between the to be connected surfaces a sealant, such as. B. cold glue or another Sealant to be introduced to the weld during the welding process to be sealed to the outside. However, this method has with the present invention nothing to do, as this is about the simultaneous use of metal adhesives and the spot welding process.

Claims (3)

PATENTANSPRLICHE: i. Verfahren zum Verbinden von Blechen miteinander oder mit starkwandigen Metallteilen, bei dem auf die Verbindungsstellen ein-oder beidseitig ein organischer Klebstoff aufgebracht wird, dadurch gekennzeichnet, daß durch .die Klebstoffschicht hindurch eine elektrische Punkt- oder Rollennahtschweißung vorgenommen wird. PATENTED PARTY: i. Method for joining metal sheets to one another or with thick-walled metal parts, in which one or more of the connection points an organic adhesive is applied to both sides, characterized in that through .the adhesive layer an electrical spot or roller seam weld is made. 2. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß die Aufbringung des Klebmittels in bekannter Weise in flüssigem Zustand geschieht. 2. The method according to claim i, characterized in that the The adhesive is applied in a known manner in the liquid state. 3. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß das Klebmittel in bekannter Weise in Pulver- oder Folienform aufgebracht wird und gegebenenfalls vor dem Schweißen durch künstliche Erhitzung und/oder entstehende Schweißwärme in einen flüssigen oder pUstischen Zustand gebracht wird. Angezogene Druckschriften: Schwedische Patentschrift Nr. i r9 gog.3. Method according to claim i, characterized in that the adhesive is in known Way is applied in powder or film form and optionally before welding by artificial heating and / or resulting welding heat into a liquid or plastic state is brought. Reference documents: Swedish patent specification No. i r9 gog.
DEP55245A 1949-09-18 1949-09-18 Method for connecting metal parts, in particular sheet metal, to one another Expired DE856820C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP55245A DE856820C (en) 1949-09-18 1949-09-18 Method for connecting metal parts, in particular sheet metal, to one another

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP55245A DE856820C (en) 1949-09-18 1949-09-18 Method for connecting metal parts, in particular sheet metal, to one another

Publications (1)

Publication Number Publication Date
DE856820C true DE856820C (en) 1952-11-24

Family

ID=7387638

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP55245A Expired DE856820C (en) 1949-09-18 1949-09-18 Method for connecting metal parts, in particular sheet metal, to one another

Country Status (1)

Country Link
DE (1) DE856820C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1156612B (en) * 1954-06-29 1963-10-31 Siemens Ag Arrangement for attaching a device to a support plate
DE1210304B (en) * 1962-08-14 1966-02-03 Habil Alexander Matting Dr Ing Method for joining several metallic workpieces with one another
US3418444A (en) * 1963-10-21 1968-12-24 Elco Corp Method and apparatus for bonding through insulating material
DE1291602B (en) * 1966-06-28 1969-03-27 Siemens Ag Process for ultrasonic welding of electrical connection lugs on thin-layer electronic assemblies
US3444347A (en) * 1966-01-10 1969-05-13 Unitek Corp Method for solder reflow connection of insulated conductors
EP0127343A1 (en) * 1983-05-07 1984-12-05 Gaydon Technology Limited Structures fabricated from aluminium components and processes involved in making these structures

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1156612B (en) * 1954-06-29 1963-10-31 Siemens Ag Arrangement for attaching a device to a support plate
DE1210304B (en) * 1962-08-14 1966-02-03 Habil Alexander Matting Dr Ing Method for joining several metallic workpieces with one another
US3418444A (en) * 1963-10-21 1968-12-24 Elco Corp Method and apparatus for bonding through insulating material
US3444347A (en) * 1966-01-10 1969-05-13 Unitek Corp Method for solder reflow connection of insulated conductors
DE1291602B (en) * 1966-06-28 1969-03-27 Siemens Ag Process for ultrasonic welding of electrical connection lugs on thin-layer electronic assemblies
EP0127343A1 (en) * 1983-05-07 1984-12-05 Gaydon Technology Limited Structures fabricated from aluminium components and processes involved in making these structures

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