DE676525C - Device for double-point or seam welding using two adjacent electrodes without counter electrodes - Google Patents

Device for double-point or seam welding using two adjacent electrodes without counter electrodes

Info

Publication number
DE676525C
DE676525C DEB180907D DEB0180907D DE676525C DE 676525 C DE676525 C DE 676525C DE B180907 D DEB180907 D DE B180907D DE B0180907 D DEB0180907 D DE B0180907D DE 676525 C DE676525 C DE 676525C
Authority
DE
Germany
Prior art keywords
electrodes
double
seam welding
iron
point
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
DEB180907D
Other languages
German (de)
Inventor
Dipl-Ing Gerhard Hagedorn
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.)
Individual
Original Assignee
Individual
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
Priority to DEB174138D priority Critical patent/DE670741C/en
Application filed by Individual filed Critical Individual
Priority to DEB180907D priority patent/DE676525C/en
Priority claimed from DEB184538D external-priority patent/DE729735C/en
Priority claimed from DEB182964D external-priority patent/DE684897C/en
Application granted granted Critical
Publication of DE676525C publication Critical patent/DE676525C/en
Expired legal-status Critical Current

Links

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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding

Description

Das Hauptpatent 670741 betrifft ein Verfahren zum Doppclpunkt-oder Nahtschweißen unter Verwendung zweier auf einem Werkstückteil nebeneinanderliegender Elektroden 5 ohne Gegenelektroden, bei dem der durch das Oberblech fließende Strom im Verhältnis zu dem das Ünterblech durchfließenden Strom durch elektromagnetisch induktiv wirkende Stromverdrängungsmittel verringert wird, indem beispielsweise massives oder unterteiltes Eisen zwischen die Elektroden eingeschoben wird, wodurch eine Verbesserung des Verhältnisses von Schweißstrom zu Verluststrom sowie eine einwandfreie Schweißung ohne Verletzung der Blechoberfläche erreicht wird.The main patent 670741 relates to a method for double-point or seam welding using two electrodes lying next to one another on a workpiece part 5 without counter electrodes, in which the current flowing through the top plate is in relation to the current flowing through the cover plate by electromagnetically inductive Current displacement means is reduced by, for example, massive or subdivided Iron is inserted between the electrodes, thereby improving the ratio of welding current to leakage current as well as a perfect weld without damaging the sheet metal surface will.

Die vorliegende Erfindung besteht nun in einer Vorrichtung zur Ausübung des im Hauptpatent beschriebenen Verfahrens, welche sich dadurch auszeichnet, daß das Transformatoreisen des Schweißtransformators gleichzeitig das zwischen die Elektroden eingeschobene Eisen bildet. Diese Ausbildung bietet außer der einfacheren Konstruktion den großen Vorteil, daß der Sekundärleiter bedeutend kürzer gehalten werden kann, wodurch die Verluste verringert werden. Es ist also bei dieser Anordnung kein besonderes Eisen mehr erforderlich.The present invention consists in an apparatus for practicing the im Main patent described method, which is characterized in that the transformer iron of the welding transformer at the same time that it is inserted between the electrodes Forms iron. In addition to the simpler construction, this training offers the great advantage that the secondary conductor can be kept significantly shorter, whereby the losses are reduced. So there is nothing special about this arrangement Iron more required.

In der Zeichnung ist die Erfindung an zwei Ausführungsbeispielen näher erläutert, 'und zwar zeigt dieIn the drawing, the invention is explained in more detail using two exemplary embodiments, 'and although it shows

Abb. ι einen Schnitt durch eine Vorrichtung zum Doppelpunkt- oder Nahtschweißen, Abb.. 2 eine Seitenansicht der Vorrichtung nach Abb. 1 und dieFig. Ι a section through a device for colon or seam welding, Fig. 2 is a side view of the device according to Fig. 1 and the

Abb. 3 eine andere Vorrichtung zum Doppelpunkt- oder Nahtschweißen, bei der Rollenelektroden verwendet werden..Fig. 3 another device for double-spot or seam welding, with roller electrodes be used..

In den Abb. 1 'und 2 ist 1 die Primärwicklung, 2 die Sekundärwicklung, die vorzugsweise eine Sekundärbrücke bildet mit den Elektroden 3 und 4. 5 und 6 sind Isolationen, 7 der Eisenkern, der auf der dem Schweißgut benachbarten Seite vorzugsweise stärker ausgebildet ist, damit dem vom Schweißstrom herrührenden magnetischen Fluß im Eisen ein geringer Widerstand geboten wird. Die Elektroden stehen um Bruchteile eines Millimeters über das Eisen vor. Durch das einseitig ausgebildete Magnetfeld . des Schweiß stromes verdrängt sich dieser selbst, und zwar vom Eisen fort. 8 und 9 sind die beiden Schweißpunkte, die die Bleche 10 und 11 verbinden,In Figs. 1 'and 2, 1 is the primary winding, 2 the secondary winding, which preferably forms a secondary bridge with the Electrodes 3 and 4. 5 and 6 are insulation, 7 the iron core, which is on the dem Weld adjacent side is preferably formed stronger, so that from The magnetic flux in the iron caused by welding current offered a low resistance will. The electrodes protrude from the iron by a fraction of a millimeter. Due to the one-sided magnetic field. the welding current displaces it himself, away from the iron. 8 and 9 are the two welding points that the metal sheets Connect 10 and 11,

Die Vorrichtung nach Abb. 3 unterscheidet sich von der Vorrichtung nach Abb. 1 und 2 lediglich dadurch, daß Schweißrollen 12 und 13 für die Nahtschweißung angeordnet sind.The device according to Fig. 3 differs from the device according to Figs. 1 and 2 only in that welding rollers 12 and 13 are arranged for the seam welding.

Claims (1)

Patentanspruch :Claim: Vorrichtung zur Ausübung des Verfahrens zum Doppelpunkt- oder Nahtschweißen 'unter Verwendung zweier auf einem Werkstückteil nebeneinanderliegender Elektroden ohne Gegenelektraden, bei dem der durch das Oberblech fließende Strom im Verhältnis Z1U dem das Unterblech durchfließenden Strom durch elektro- η0 magnetisch induktiv wirkende Stromverdrängungsmittel verringert wird, indem massives oder unterteiltes Eisen zwischen die Elektroden eingeschoben wird, nach Patent 670 741, dadurch gekennzeichnet, daß das Transformatoreisen des Schweißtransformators gleichzeitig das zwischen die Elektroden eingeschobene Eisen bildet.Device for carrying out the process of double-point or seam welding using two electrodes lying next to one another on a workpiece part without counterelectrades, in which the current flowing through the upper sheet is reduced in the ratio Z 1 U to the current flowing through the lower sheet by means of electro- η 0 magnetically inductive current displacement means is by inserting solid or divided iron between the electrodes, according to patent 670 741, characterized in that the transformer iron of the welding transformer simultaneously forms the iron inserted between the electrodes. Hierzu 1 Blatt Zeichnungen1 sheet of drawings
DEB180907D 1936-05-17 1937-11-30 Device for double-point or seam welding using two adjacent electrodes without counter electrodes Expired DE676525C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEB174138D DE670741C (en) 1936-05-17 1936-05-17 Method and device for colon or seam welding
DEB180907D DE676525C (en) 1936-05-17 1937-11-30 Device for double-point or seam welding using two adjacent electrodes without counter electrodes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEB174138D DE670741C (en) 1936-05-17 1936-05-17 Method and device for colon or seam welding
DEB180907D DE676525C (en) 1936-05-17 1937-11-30 Device for double-point or seam welding using two adjacent electrodes without counter electrodes
DEB184538D DE729735C (en) 1936-05-17 1937-11-30 Device for practicing the process for double-point or seam welding using two electrodes lying next to each other on a workpiece without counter-electrodes
DEB182964D DE684897C (en) 1936-05-17 1938-05-01 Device for double point or seam welding

Publications (1)

Publication Number Publication Date
DE676525C true DE676525C (en) 1939-06-06

Family

ID=32659992

Family Applications (2)

Application Number Title Priority Date Filing Date
DEB174138D Expired DE670741C (en) 1936-05-17 1936-05-17 Method and device for colon or seam welding
DEB180907D Expired DE676525C (en) 1936-05-17 1937-11-30 Device for double-point or seam welding using two adjacent electrodes without counter electrodes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DEB174138D Expired DE670741C (en) 1936-05-17 1936-05-17 Method and device for colon or seam welding

Country Status (1)

Country Link
DE (2) DE670741C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976844C (en) * 1948-10-02 1964-06-04 Siemens Ag Process for connecting thin aluminum foils used as capacitors to the contact lugs used as power supply
DE1097060B (en) * 1955-11-17 1961-01-12 Phenix Works Sa Process for welding metal parts on the rear side of sheet metal bearing a dielectric coating on the front side
DE1021968B (en) * 1956-06-16 1958-01-02 Roehrenwerk Kempten Allgaeu Al Method for resistance seam welding of overlapped metal sheets from one side using a blind electrode roller
DE1125095B (en) * 1959-10-26 1962-03-08 George F Keeleric Process for resistance projection welding of laminated cores
DE1113766B (en) * 1960-04-23 1961-09-14 Siemens Ag Arrangement for bundling welding streamlines during resistance welding of highly conductive materials

Also Published As

Publication number Publication date
DE670741C (en) 1939-01-26

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