EP3077147A1 - Élément goujon et procédé de soudage permettant de relier cet élément goujon à une pièce - Google Patents

Élément goujon et procédé de soudage permettant de relier cet élément goujon à une pièce

Info

Publication number
EP3077147A1
EP3077147A1 EP14796138.7A EP14796138A EP3077147A1 EP 3077147 A1 EP3077147 A1 EP 3077147A1 EP 14796138 A EP14796138 A EP 14796138A EP 3077147 A1 EP3077147 A1 EP 3077147A1
Authority
EP
European Patent Office
Prior art keywords
bolt element
projection
workpiece
bolt
welding
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.)
Withdrawn
Application number
EP14796138.7A
Other languages
German (de)
English (en)
Inventor
Hermann Krippl
Tuba BASKAYA
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP3077147A1 publication Critical patent/EP3077147A1/fr
Withdrawn legal-status Critical Current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
    • B23K9/00—Arc welding or cutting
    • B23K9/20—Stud welding
    • B23K9/207—Features related to studs
    • 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
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • 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
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0288—Welding studs
    • 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
    • B23K2101/006—Vehicles

Definitions

  • the present invention relates to a bolt element, in particular a
  • Welding bolt element which is suitable to be connected to a workpiece using a welding process. Furthermore, the invention relates to a welding method, in particular an arc-bolt welding method, for connecting a corresponding bolt element to a workpiece.
  • the fundamentally known arc stud welding method belongs to the arc pressure welding method and is used for permanent connection of a bolt-shaped element, such as a threaded bolt, a pin, a bush, a hoe or an eyelet with a corresponding larger component, such as a body panel, a housing or a workpiece or similar.
  • a bolt-shaped element such as a threaded bolt, a pin, a bush, a hoe or an eyelet
  • a corresponding larger component such as a body panel, a housing or a workpiece or similar.
  • Arc stud welding methods can be distinguished, inter alia, in stud firing methods or peak spark plug welding methods, and in the stud firing method, the arc is generated by raising the stud from the component under current flow.
  • the arc is fired at a tip of the bolt in the tip ignition bolt welding method, this firing tip explodes explosively and evaporates to a small extent.
  • the induction voltage which accordingly arises from the opening of the circuit, thus ignites the arc, which then detects the entire pin face.
  • strong ignition of the arc and its uneven propagation over the surface of the bolt and in particular its end face, which is later connected to the workpiece surface strong
  • At least partially repair arc stud welding process it is the object of the present invention to provide a bolt element and a welding method, by means of which in a simple and cost-effective manner an advantageously permanent connection of a bolt element with a workpiece is made possible, in which only a small voids formation, as well as a small one
  • Spatter formation occurs, wherein the strength of the welded joint compared to known stud elements and welding method is primarily consistent and can be particularly preferably even increased.
  • the bolt element which is in particular a welding bolt element, is suitable to be connected to a workpiece using a welding process.
  • the bolt element has a bolt element head with a welding surface and an arrangement surface facing away from the welding surface, and a Bolt member body extending away from the placement surface of the Boizenelementkopfes on.
  • the bolt element according to the invention is characterized in that the welding surface of the boiler element head has at least one inner projection and at least one outer projection extending away from the welding surface, wherein the outer projection is circumferentially arranged around the inner projection. It is therefore conceivable for the bolt element head to extend from a central axis of the bolt element which extends along a length or longitudinal extent of the bolt element
  • Bolt member extends, extending away radius, which corresponds to the radius of the bolt member body, so that consequently has the bolt element head corresponding to the bolt element body or advantageously identically large circumference.
  • the bolt element head may, for example, be disc-shaped, cylindrical, cube-shaped, tetrahedral or hexagonal or have a comparable shape.
  • the bolt element body which extends away from the bolt element head for example, likewise has a disc-shaped, cylindrical, cube-shaped, tetrahedral or hexahedral shape or a corresponding or comparable shape.
  • the bolt element head and the bolt element body of a bolt element have a comparable shape and, for example, both are cylindrical. This would be the case in particular if the
  • Bolt element body and the bolt element head have an identical circumferential size, so that the bolt element head and the bolt element body advantageously represent a monolithic element or component or are.
  • the bolt element head and the bolt element body advantageously represent a monolithic element or component or are.
  • Bolt element head has a shape deviating from the bolt element body and is designed, for example, disk-shaped, while the bolt element body has a cylindrical shape. Furthermore, it is conceivable that the bolt element body has a thread and in particular an external thread, such as a coarse thread, pointed thread or trapezoidal thread, wherein it is also possible that the
  • Bolt element body is designed in the form of a hollow cylinder and may have a corresponding internal thread.
  • the bolt element body has recesses, depressions or engagement regions.
  • the bolt element body is advantageously the region of the bolt element on which a further workpiece or component is applied in order to be connected to the first workpiece on which the bolt element is fastened or welded.
  • a bolt element can be used, for example, a Grobflanschbolzen, M6, M8, M10 Grobgewindestahlbolzen or even an existing aluminum bolt.
  • the inner projection is arranged concentrically with the outer projection.
  • the outer projection which advantageously at least partially surrounds or at least partially surrounds the inner projection, has a center which corresponds to the center of the inner projection.
  • the outer protrusion is advantageously arranged evenly spaced from the inner protrusion in the circumferential direction of the inner protrusion.
  • the outer protrusion circulates around the inner protrusion and thus forms a kind of bead which surrounds the inner protrusion like a wall.
  • each outer protrusion has a different size from the other outer protrusion, and in particular a different diameter, such that the outer protrusions are spaced apart from one another and spaced from the inner protrusion, in particular extending away from the welding surface of the bolt element head.
  • the inner projection is arranged concentrically to the welding surface of the bolt element head.
  • the inner projection and the welding surface of the bolt element head advantageously have a same center, wherein also preferably the outer projection and the inner projection and consequently the outer projection and the welding surface have an identical center.
  • the bolt element has a longitudinal axis which extends through the center of the bolt element body, the center of the
  • a concentric arrangement of the outer projection in particular to the inner projection a substantially uniform propagation of the arc, starting from the inner projection to the outer projection, possible. Consequently, it can be advantageously realized by the concentric arrangement of the inner projection to the outer projection and the bolt element head as well as to the bolt element body, a uniform connection of the melted or bolted bolt material with the advantageous molten material of the workpiece along the entire welding surface of the bolt element.
  • a uniform over the welding surface of the bolt element head considered bende and uniform adhesion of the bolt element on the workpiece and a reduced voids formation within the weld or the weld melt realized.
  • the inner projection has a greater length extending away from the welding surface of the bolt element head than the outer projection.
  • at least the inner projection and particularly advantageously also the outer projection extend substantially at least in sections orthogonally away from the welding surface of the bolt element head.
  • stabilization, and in particular centering of an arc in the region of the inner projection and thus uniform propagation of the arc along the welding surface of the bolt element head and thus inter alia a reduction of welding spatter during the welding process can be made possible by a longer inner projection.
  • the outer projection is arranged at a distance from an edge region of the bolt element head on the welding surface. This means that the outer projection is not adjacent to the edge region of the bolt element head, so that in a welding process and in particular in a melting of the material layer of the outer projection, this outwardly away, that is along the welding surface of the bolt element head, to the edge region of the
  • Bolt element and the workpiece are therefore arranged in the region of the welding surface of the bolt element head.
  • the assembly of a further workpiece or component on the bolt applied to a workpiece is advantageously not adversely affected or impaired.
  • the inner projection is conical or frustoconical or pyramidal or truncated pyramid shaped or designed in a comparable shape. Accordingly, in particular, the inner projection has a green surface disposed on the welding surface of the bolt element head, so that the inner projection thus tapers away from the welding surface. Furthermore, it is conceivable that the inner projection has a pointed, rounded or flat or blunt and in particular frustoconical distal end. The distal end of the inner projection is consequently the end of the inner projection opposite the base. Particularly advantageous is a relatively pointed distal end of the inner projection is considered to center the arc in detail in this area and to be able to stabilize.
  • the outer projection has a trapezoidal, dreieckför- shaped, square or semicircular cross-section or a cross section with a comparable shape.
  • the outer projection may have a pointed, oval or blunt or flattened distal end. The distal end of the outer projection is therefore the end of the outer projection opposite the base side of the cross-section.
  • the outer projection if it has a trapezoidal cross-section, may have an isosceles or symmetrical trapezoidal shape or even a rectangular trapezoidal shape.
  • the outer protrusion is arranged on the welding surface such that, in particular with regard to a cross section of the outer protrusion, the base side of the outer protrusion is arranged on the welding surface, so that the outer protrusion extends in a tapering manner away from the welding surface of the bolt element head.
  • the inner projection and / or the outer projection is / are arranged on a projection which is arranged on the welding surface of the bolt element head.
  • Such a survey may serve to ensure that in a welding operation, in which in particular the inner projection and / or the outer projection are melted, nevertheless a defined distance between the bolt element head and in particular the welding surface of the bolt element head and the surface of the workpiece and in particular a connecting surface of the Workpiece remains.
  • This is the purpose of the aforementioned survey, which undergoes no or at least only a very small material melting or material melting especially in the arc stud welding. Consequently, the aforementioned elevation advantageously serves as a spacing element between the bolt element head and the workpiece.
  • a welding method for connecting a bolt element according to one of the preceding claims 1 to 8 and consequently according to the aforementioned type with a workpiece is claimed.
  • the welding method according to the invention comprises the following steps:
  • the arc is generated in a release of the inner projection of the bolt element head of the bolt element of the connecting surface of the workpiece. Accordingly, the aforesaid welding method is advantageously used in the form of a stud ignition welding method, although it is also conceivable to use it in the form of a tip ignition stud welding method.
  • a first step of the method according to the invention becomes
  • Bolt element and in particular the bolt element head is introduced in the region of the workpiece such that at least the inner projection is arranged on a connecting surface of the workpiece, wherein advantageously the inner projection at least partially contacts this connecting surface of the workpiece.
  • Bolt element is subsequently applied with an electric current to form a closed circuit with the workpiece.
  • the bolt element and in particular the workpiece is connected to a power source, so that the bolt element advantageously forms a cathode and the workpiece advantageously forms an anode, between which free charge carriers move.
  • charge carriers are, for example, electrons emerging from the metal surface and atoms positively charged by ionization.
  • the electric arc serves as a tool and energy source.
  • free charge carriers must be present between the electrodes.
  • Bolt element head of the bolt element advantageously briefly lifted from the workpiece and in particular its connection surface.
  • This creates an arc which represents a self-sustaining gas charge between the bolt member and the workpiece, wherein during the gas discharge, an electric current flows through the gas and this ionized ion.
  • the gas discharge itself can cause visible light.
  • the ignition of the arc takes place advantageously during a Vorstromphase, which may be, for example, 35 milliseconds or less.
  • the arc is stabilized, in particular in the region of the inner projection, that is, the arc is fixed in this region of the inner projection and thus advantageously centric in the region of the weld surface of the bolt element head.
  • the electric current flow is increased to a value of, for example, 1000A, thereby initiating the main current phase, in which, in particular, the inner projection is at least partially fused or melted by means of the arc, while the arc itself subsequently follows in the direction of the outer projection.
  • Jump advantageously evenly from the inner projection, spreads.
  • the arc is fixed to the outer projection, the material of which is melted or melted off.
  • the bolt element is acted upon by a defined pressure force, by which the bolt element is moved in the direction of the workpiece. Due to the compressive force, the bolt element and in particular the welding surface of the
  • the arc advantageously extends uniformly in the circumferential direction around the inner projection towards the outside in the direction of the outer projection spreads, so that the material of the outer projection can advantageously be melted or melted evenly within a defined period of time. Accordingly, during a pressing operation of the bolt on the corresponding connection surface of the workpiece advantageously take place between the molten materials of the workpiece and also the bolt taking place evenly over the welding surface of the bolt member connection.
  • a stabilization and centering as well as a uniform propagation of the arc along the welding surface of the bolt element also leads advantageously to a small bead formation and to a low voids formation in the weld and thus to a high or increased stability of the welded joint between the bolt element and the workpiece , In the described welding method, all the advantages that have already been described for the bolt element according to the first aspect of the invention.
  • a bolt element according to the invention which is suitable for being connected to a workpiece using a welding method, as well as a bolt element known from the prior art are explained in more detail below with reference to drawings. Each show schematically:
  • FIG. 1 shows a longitudinal section of an embodiment of a bolt element according to the invention, arranged on a connecting surface of a workpiece,
  • FIG. 2 shows a plan view of a welding surface of an embodiment of a bolt element according to the invention
  • FIG. 3 shows a plan view of a welding surface of a further embodiment of a bolt element according to the invention
  • Figure 4 is a longitudinal sectional view of an embodiment of one of the prior
  • FIG. 5 is a plan view of a welding surface of that shown in FIG.
  • Figure 6 is a sectional view of a first embodiment of a
  • Figure 7 is a sectional view of a second embodiment of a
  • FIG. 9 shows a side view of a longitudinal section of a bolt element head, welded to a workpiece, of a bolt element known from the prior art
  • FIG. 10 shows a side view of a longitudinal section of an embodiment of a bolt element head of a bolt element according to the invention welded to a workpiece
  • FIG. 10 shows a side view of a longitudinal section of an embodiment of a bolt element head of a bolt element according to the invention welded to a workpiece
  • FIG. 11 shows a side view of a further longitudinal section of the bolt element shown in FIG. 9 welded to a workpiece for illustrating the formation of voids
  • FIG. 12 shows a side view of a further longitudinal section of the bolt element shown in FIG. 10 with a workpiece for illustrating the formation of voids.
  • FIG. 1 shows a longitudinal section of an embodiment of a bolt element 1 or welding bolt element 1 according to the invention, arranged on a connecting surface 10a of a workpiece 10.
  • the bolt element 1 has a bolt element body 2 and a bolt element head 3.
  • the bolt element 1 shown in FIG. 1 is advantageously a substantially cylindrical connecting element whose bolt element body 2 has a thread 2a.
  • the cylindrical bolt element head 3, which is advantageously designed in the form of a disk, has an inner projection 4 and an outer projection 5 surrounding the inner projection 4.
  • Bolt member 1 is shown as a section, so that the shape of the inner projection 4 as well as the outer projection 5 surrounding the inner projection 4 can be illustrated by the view of the cross section of the inner projection 4 and the outer projection 5, respectively.
  • the bolt element 1 has a central axis Z which extends along the length of the bolt element 1. As can be seen in FIG. 1, the
  • Bolt element body 2 and the bolt element head 3 are arranged concentrically to one another and consequently have a center point lying on the central axis Z. Furthermore, the inner projection 4 is also arranged concentrically with the bolt element head 3 and consequently with the bolt element body 2. Advantageously, the inner projection 4 is also arranged concentrically to the outer projection 5, so that viewed in the circumferential direction around the inner projection 4, the outer projection 5 equally spaced from the inner projection 4 on the welding surface 3a of the bolt element head 3 is arranged. This is also shown in particular in FIG. 2, which will be described below.
  • the bolt element 1 is arranged in the region of a connecting surface 10 a of the workpiece 0.
  • the inner projection 4 and in particular a distal end 4a of the inner projection 4 contacts the connecting surface 10a of the workpiece 10 at least in sections.
  • Bolt member body 2 extends from the placement surface 3b of FIG.
  • Bolt member 1 integrally formed or monolithic, so that in particular the bolt member body 2 and also the bolt element head 3 are made with the corresponding projections jumps 4 and 5 from a workpiece to form the bolt member 1.
  • the bolt element 1 and the workpiece 0 are each connected via power lines 21 to a power source 20 to be acted upon by electric current.
  • the inner projection 4 with the connecting surface 10a of the workpiece 10 then creates a closed circuit through which an arc can be formed et.
  • the workpiece 10 is a cast workpiece, while the bolt element 1 consists for example of an aluminum material.
  • FIG. 2 shows a plan view of a welding surface 3a of an embodiment of a bolt element head 3 of a bolt element 1 according to the invention.
  • Welding surface 3a and in particular the bolt element head 3 in this case has a circular and in particular a disk-shaped shape, in the center of which the inner projection 4 is arranged centrally.
  • the inner projection 4 is arranged centrally.
  • Bolt element head 3 is formed oval or angular.
  • the outer projection 5 surrounds the inner projection 4, wherein the outer projection 5 also advantageously forms a circular elevation or an elevation running on a circular path. As viewed in the circumferential direction around the inner projection 4, the outer projection 5 is therefore equally spaced from the inner projection 4.
  • the outer projection 5 is arranged at a distance from an edge region 3c of the welding surface 3a and in particular of the bolt element head 3 at a distance from the welding surface 3a.
  • the inner projection 4 is not arranged centrally on the welding surface 3 a of the bolt element head 3. Consequently, it would also be possible for the outer projection 5, which advantageously completely surrounds or at least partially surrounds the inner projection 4, likewise not to be centric to the center of the welding surface 3a of FIG.
  • Bolt element head 3 is arranged.
  • the particular shown in FIGS. 1 and 2 Embodiments of the arrangement of the inner projection 4 and the outer projection 5 are merely exemplary understood and do not justify completeness.
  • FIG. 3 shows a plan view of a welding surface 3a of a bolt element head 3 of a further embodiment of the bolt element 1 according to the invention, which in particular has two outer projections 5 which have been identified by reference numerals 5a and 5b for better understanding.
  • Both outer projections 5a and 5b completely surround the inner projection 4 according to the embodiment of FIG. 3, wherein the inner projection 4 and the two outer projections 5a, 5b are arranged concentrically with each other.
  • the two outer projections 5a and 5b are advantageously arranged circularly around the inner projection 4, wherein the first outer projection 5a viewed from the center or from the centric center line Z from a smaller radius or diameter than the second outer projection 5b, which not only the inner projection 4, but also the first outer projection 5a surrounds.
  • Bolt element 30 and in FIG. 5 is a plan view of a welding surface 40a of the bolt member 30 shown in FIG. 4, wherein the bolt member 30 has a bolt element head 40 with a single projection 41 arranged thereon, which extends away from a welding surface 40a.
  • the welding surface 40a faces an assembly surface 40b from which a bolt member body 42 may extend.
  • FIGS. 6 to 8 in each case, embodiments of a bolt element head 3 of a bolt element 1 according to the invention are shown in longitudinal section.
  • Fig. 4 shows an embodiment of a bolt element head 3 of an inventive
  • Bolt element 1 which has an inner origin 4 as well as an outer projection 5 which surrounds the inner projection 4.
  • the extending away from the welding surface 3a length L2 of the inner projection 4 is greater than the longer of the welding surface 3a extending L longer L1 of the outer projection 5.
  • the inner projection 4 has a length L2 of, for example, advantageous 1, 5-2 mm, while the outer projection 5, for example, advantageously a length L1 of 1 -1, 9 mm may have. It should be noted here that the inner projection 4 always has a greater length than the outer projection 5.
  • the outer projection 5 has a trapezoidal and in particular symmetrical trapezoidal shape, while the inner projection 4 is essentially one has a triangular shape with a substantially pointed distal end 4a.
  • the distal end 4a is rounded or flattened.
  • the outer projection 5 may have a triangular shape with a pointed or istru-ended distal end 5a.
  • the embodiment of the bolt element head 3 of FIG. 7 has an outer projection 5 which does not have the same trapezoidal shape but rather a right-angled trapezoidal shape, with the regions or walls of the outer projection 5 projecting in the direction extend the inner projection 4 extend obliquely at a defined angle.
  • the inner projection 4 may taper at an angle ⁇ of, for example, 7 ° or more or less away from the welding surface 3a.
  • the inner projection 4 also has a flattened distal end 4a.
  • FIG. 9 is a side view of a longitudinal section of a bolt element head 40, welded to a workpiece 10, of a prior art
  • the only one projection 41 having bolt member 30 is so connected to the connecting surface 10a of the workpiece 10 that significant spatter 60 occur, in particular in the illustrated right portion of Figure 9.
  • the arc has unfavorably spread unevenly along the projection 41, so that it has led to an uneven melting of the material of the projection 41 during the pressing process between the pin member 30 and the workpiece 10.
  • FIG. 10 a reduced spatter formation 60, which is also distributed substantially uniformly along the region of the welding surface 3a, is shown when using a bolt element 1 according to the invention.
  • the arc substantially in the region of the inner projection 4, which is arranged concentrically to the outer projection 5 and the Bolzenelementkopf 3, are ignited and consequently lent evenly along the welding surface 3a of the bolt element head 3 in the direction of the outer projection 5 to advantageously a uniform material melting of the outer projection 5 during the pressing process, wherein the
  • Bolt element 1 is connected to the workpiece 10, to ensure.
  • a bolt element 30 known from the prior art is shown in FIG. 11 and in particular in the side view of a longitudinal section of FIG. 11, which was welded to a workpiece 10.
  • a material layer 50 with a multiplicity of voids 51 enclosed therein has formed between the workpiece 10 and the bolt element 30 and in particular the projection 41 of the bolt element 30 or of the bolt element head 40, which forms a bead, in particular in the edge region of the bolt element head 40 and in particular on the projection 41 thereof.
  • the voids 51 or cavities lead to an opening of the material layer 50, by which in turn the strength of the welded connection can be reduced, which disadvantageously leads to a detachment of the bolt element 30 from the workpiece 10.
  • the melt layer or material layer 50 has a reduced voids formation and consequently a smaller number of voids 51 or cavities in the material layer 50.
  • the formation of a bead, which extends into the intermediate region between the welding surface 3a and the connecting surface 10a of the workpiece 10 is also reduced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne un élément goujon et un procédé de soudage permettant de relier cet élément goujon à une pièce. La présente invention concerne un élément goujon (1) et en particulier un élément goujon à souder, lequel est adapté à être relié à une pièce (10) au moyen d'un procédé de soudage. Une surface de soudage de la tête (3) de l'élément goujon comprend au moins une partie saillante intérieure (4) et au moins une partie saillante extérieure (5, 5a, 5b), lesquelles s'étendent à distance de la surface de soudage, la partie saillante extérieure (5, 5a, 5b) étant disposée sur toute la périphérie de la partie saillante intérieure (4). L'invention concerne en outre un procédé de soudage et en particulier un procédé de soudage à l'arc à goujon destiné à relier ledit élément goujon à une pièce (10).
EP14796138.7A 2013-12-05 2014-11-12 Élément goujon et procédé de soudage permettant de relier cet élément goujon à une pièce Withdrawn EP3077147A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013225048.7A DE102013225048A1 (de) 2013-12-05 2013-12-05 Bolzenelement und Schweißverfahren zum Verbinden dieses Bolzenelementes mit einem Werkstück
PCT/EP2014/074352 WO2015082177A1 (fr) 2013-12-05 2014-11-12 Élément goujon et procédé de soudage permettant de relier cet élément goujon à une pièce

Publications (1)

Publication Number Publication Date
EP3077147A1 true EP3077147A1 (fr) 2016-10-12

Family

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Application Number Title Priority Date Filing Date
EP14796138.7A Withdrawn EP3077147A1 (fr) 2013-12-05 2014-11-12 Élément goujon et procédé de soudage permettant de relier cet élément goujon à une pièce

Country Status (3)

Country Link
EP (1) EP3077147A1 (fr)
DE (1) DE102013225048A1 (fr)
WO (1) WO2015082177A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105798417B (zh) * 2016-04-26 2018-10-26 深圳市华星光电技术有限公司 本压机刀具
DE102016212495A1 (de) * 2016-07-08 2018-01-11 Bolzenschweißtechnik Heinz Soyer GmbH Schweißverfahren nach dem Prinzip der Hubzündung unter Verwendung eines magnetisch bewegten Lichtbogens, sowie Schweißelement
EP3928909A1 (fr) * 2017-01-30 2021-12-29 Newfrey LLC Élément de soudage et procédé de soudage permettant de relier un élément de soudage à une pièce

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE832929C (de) * 1947-05-01 1952-03-03 Harold Martin Verfahren und Vorrichtung zur Lichtbogenanschweissung von Bolzen, Rohrstuecken o. dgl. an Platten, Grundkoerpern o. dgl.
DE1833700U (de) * 1960-03-04 1961-06-29 Thomas Fa Robert Bolzen und gegenstueck zum zusammenschweissen im elektrischen widerstandsschweissverfahren.
DE2532311A1 (de) * 1975-07-18 1977-02-10 Hilti Ag Schweissbolzen
DE3536084A1 (de) * 1985-10-09 1987-04-09 Trw Nelson Bolzenschweiss Tech T-bolzen zur anwendung beim bolzenschweissen
DE19802393A1 (de) * 1997-06-10 1998-12-17 Emhart Inc Verfahren und Befestigungsteil zur Ausbildung einer Reibschweißverbindung
DE19927371C2 (de) * 1999-06-16 2001-05-03 Udo Franz Verfahren zum Anschweißen von Schweißelementen an ein Werkstück
EP1060823B1 (fr) * 1999-06-16 2008-12-31 HBS Bolzenschweisssysteme GmbH & Co. KG Elément de soudage
US7452171B2 (en) * 2003-11-26 2008-11-18 Illinois Tool Works Inc. Welding stud
EP1768815B1 (fr) * 2004-07-16 2010-06-23 EJOT GmbH & Co. KG Element de fixation destine a etre soude par friction a un element constitutif plat
DE202005017524U1 (de) * 2005-11-09 2005-12-29 Ejot Gmbh & Co. Kg Befestigungselement für eine Reibschweißverbindung
DE102005061595A1 (de) * 2005-12-22 2007-06-28 Heinz Soyer Bolzenschweisstechnik Gmbh Verfahren zum Verschweißen eines eine kegelartige Stirnfläche aufweisenden Bolzens mit einem Träger
JP5802040B2 (ja) * 2011-04-01 2015-10-28 Ａｒｔ−Ｈｉｋａｒｉ株式会社 スタッド構造
DE102011055044A1 (de) * 2011-11-04 2013-05-08 Newfrey Llc Befestigungselement zum Anschweißen, Fügeverfahren und Fügeverbindung

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