DE102009021850A1 - Method for joining workpieces comprises holding a rotating tool in an axially fixed position during melting of one of the workpieces - Google Patents
Method for joining workpieces comprises holding a rotating tool in an axially fixed position during melting of one of the workpieces Download PDFInfo
- Publication number
- DE102009021850A1 DE102009021850A1 DE102009021850A DE102009021850A DE102009021850A1 DE 102009021850 A1 DE102009021850 A1 DE 102009021850A1 DE 102009021850 A DE102009021850 A DE 102009021850A DE 102009021850 A DE102009021850 A DE 102009021850A DE 102009021850 A1 DE102009021850 A1 DE 102009021850A1
- Authority
- DE
- Germany
- Prior art keywords
- workpieces
- rotating tool
- workpiece
- area
- joining
- 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- Withdrawn
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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/1255—Tools therefor, e.g. characterised by the shape of the probe
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1265—Non-butt welded joints, e.g. overlap-joints, T-joints or spot welds
-
- 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
- B23K2101/18—Sheet panels
-
- 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
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Verbinden von wenigstens zwei Werkstücken.The The invention relates to a method for connecting at least two Workpieces.
Aus
der
Nachteiligerweise muss insbesondere das zweite Werkstück hierzu eine bestimmte Mindestdicke aufweisen, da das rotierende Werkzeug nicht nur das erste Werkstück durchdringen, sondern auch eine bestimmte Strecke in das zweite Werkstück eindringen muss. Weiterhin kommt es im Fügebereich zwischen den Werkstücken zu einer Werkstoffvermischung zwischen den beiden Werkstücken, welche je nach Materialpaarung nachteilig sein kann und zu schlecht haltbaren Fügeverbindungen führen kann.Unfortunately, In particular, the second workpiece has to do this a certain Minimum thickness, since the rotating tool not only the penetrate first workpiece, but also a specific one Must penetrate into the second workpiece. Farther it comes in the joining area between the workpieces to a material mixing between the two workpieces, which can be disadvantageous depending on the material pairing and too bad durable joints can lead.
Der vorliegenden Erfindung liegt somit die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art so weiterzuentwickeln, dass sich eine verbesserte Verbindung zweier Werkstücke ergibt und der Spielraum bezüglich Materialpaarungen und Materialstärken der Werkstücke vergrößert wird.Of the The present invention is therefore based on the object, a method of the aforementioned type so that an improved Connection of two workpieces results and the scope respect Material pairings and material thicknesses of the workpieces is enlarged.
Diese Aufgabe wird durch ein Verfahren mit den Merkmalen des Patentanspruchs 1 gelöst.These The object is achieved by a method having the features of the patent claim 1 solved.
Bei einem derartigen Verfahren zum Verbinden von wenigstens zwei Werkstücken werden die Werkstücke zunächst so angeordnet, dass diese in einem Verbindungsbereich aneinander anliegen. In der Folge wird das erste Werkstück insbesondere mittels eines rotierenden Werkzeuges plastifiziert und durchdrungen, wobei der Verbindungsbereich durch die Reibungshitze des rotierenden Werkzeugs erhitzt wird. Das plastifizierte Material wird dabei aus dem Durchdringungsbereich verdrängt. Nach Durchdringen des ersten Werkstücks wird das zweite Werkstück im Verbindungsbereich durch das rotierende Werkzeug ebenfalls plastifiziert. Anschließend wird das rotierende Werkzeug aus dem Durchdringungsbereich bewegt und das verdrängte Material wieder in den Durchdringungsbereich eingepresst.at Such a method for connecting at least two workpieces the workpieces are first arranged in such a way that these abut each other in a connection area. In the The result is the first workpiece in particular by means of a rotating tool plasticized and penetrated, the Bonding area heated by the friction heat of the rotating tool becomes. The plasticized material is thereby from the penetration area repressed. After penetrating the first workpiece is the second workpiece in the connection area through the rotating tool also plasticized. Subsequently, will the rotating tool moves out of the penetration area and the displaced material back into the penetration area pressed.
Erfindungsgemäß ist hierbei vorgesehen, dass während des Plastifizierens des zweiten Werkstücks das rotierende Werkzeug axial im Wesentlichen ortsfest gehalten wird. Mit anderen Worten dringt das rotierende Werkzeug nach Durchdringung des ersten Werkstücks nicht in das zweite ein, sondern plastifiziert dieses lediglich im Oberflächenbereich. Es kommt somit im Schweißbereich nicht zu einer Vermischung der Werkstoffe der beiden Werkstücke, es tritt vielmehr eine Diffusionsverschweißung ein. Diese wird durch das teilweise Plastifizieren des zweiten Werkstücks im Verbindungsbereich noch befördert. Diffusionsverschweißungen können bei sehr glatten Fügeflächen bereits im kalten Zustand auftreten, wenn entsprechend hohe Drücke ausgeübt werden. Die Plastifizierung der beiden Werkstücke im Verbindungsbereich in Kombination mit einem hohen Einpressdruck des verdrängten Materials führt zu besonders haltbaren Diffusionsverschweißungen, die auch bei unterschiedlichen Materialpaarungen sehr stabil sind. Dadurch, dass das rotierende Werkzeug nicht in das zweite Werkstück eindringt, ist es möglich, mit dem erfindungsgemäßen Verfahren auch sehr dünne Werkstücke miteinander zu verbinden, die für eine Verbindung mit aus dem Stand der Technik bekannten Reibrührschweißverfahren nicht geeignet sind.According to the invention provided here that during plasticizing the second workpiece, the rotating tool axially substantially is held stationary. In other words, the rotating penetrates Tool after penetration of the first workpiece not in the second one, but plasticizes this only in the surface area. There is thus no mixing in the welding area the materials of the two workpieces, it rather occurs a diffusion bonding. This is through the partially plasticizing the second workpiece in the connection area still promoted. Diffusion welding can with very smooth joining surfaces already in the cold Condition occur when correspondingly high pressures exerted become. The plasticization of the two workpieces in the connection area in combination with a high press-in pressure of the displaced Material leads to particularly durable diffusion bonds, which are very stable even with different material pairings. Because the rotating tool is not in the second workpiece penetrates, it is possible with the invention Process even very thin workpieces with each other to connect, for a connection with from the state known in the art friction stir welding are not suitable.
In weiterer Ausgestaltung der Erfindung liegt der Einpressdruck des verdrängten Materials bei dessen Einpressen in den Durchdringungsbereich in der Größenordnung der Fließgrenze des Materials des zweiten Werkstücks. Hierdurch ergeben sich besonders stabile Diffusionsschweißverbindungen.In Another embodiment of the invention is the injection pressure of displaced material when it is pressed into the penetration area in the order of the yield point of the material of the second workpiece. This results particularly stable diffusion welded joints.
Der Einpressdruck wird dabei bevorzugt zumindest teilweise von dem rotierenden Werkzeug ausgeübt, wobei während des Einpressens die Rotation des Werkzeugs eingestellt wird.Of the Press-fitting is preferably at least partially of the rotating Tool exercised while being pressed in the rotation of the tool is adjusted.
Zur Erhöhung der Genauigkeit des Verfahrens wird weiterhin bevorzugt die Relativlage der Werkstücke durch wenigstens einen Niederhalter gesichert.to Increasing the accuracy of the procedure will continue preferably the relative position of the workpieces by at least secured a hold-down.
Im Folgenden soll die Erfindung und ihre Ausführungsformen anhand der Zeichnungen näher erläutert werden. Hierbei zeigen:in the Following is the invention and its embodiments will be explained in more detail with reference to the drawings. Hereby show:
Zum
Verbinden zweier plattenförmiger Werkstücke
Wie
in
Der
Vorschub des rotierenden Werkzeugs
Sobald
durch die Rotationsbewegung des rotierenden Werkzeugs
Im
Gegensatz zu aus dem Stand der Technik bekannten Verfahren ist so
auch das Fügen von ultrahochfesten und Leichtbaublechen
möglich, welche bislang nur gestanznietet werden können.
Die Diffusionsverschweißung, die durch den hohen axialen Druck
in Richtung der Pfeile
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES 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 The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 19955737 B4 [0002] - DE 19955737 B4 [0002]
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009021850A DE102009021850A1 (en) | 2009-05-19 | 2009-05-19 | Method for joining workpieces comprises holding a rotating tool in an axially fixed position during melting of one of the workpieces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009021850A DE102009021850A1 (en) | 2009-05-19 | 2009-05-19 | Method for joining workpieces comprises holding a rotating tool in an axially fixed position during melting of one of the workpieces |
Publications (1)
Publication Number | Publication Date |
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DE102009021850A1 true DE102009021850A1 (en) | 2010-03-04 |
Family
ID=41606282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102009021850A Withdrawn DE102009021850A1 (en) | 2009-05-19 | 2009-05-19 | Method for joining workpieces comprises holding a rotating tool in an axially fixed position during melting of one of the workpieces |
Country Status (1)
Country | Link |
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DE (1) | DE102009021850A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015213633B3 (en) * | 2015-07-20 | 2016-11-03 | Volkswagen Aktiengesellschaft | Method for joining at least two components by means of friction spot welding and a friction element designed as a joining element and joining device |
JP6099291B1 (en) * | 2015-12-28 | 2017-03-22 | ヤマザキマザック株式会社 | Friction stir welding tool and machine tool |
DE102016218431A1 (en) | 2016-09-26 | 2018-03-29 | Ford Global Technologies, Llc | Method for repairing faulty connections |
US10384301B2 (en) | 2013-10-16 | 2019-08-20 | Komatsu Ltd. | Sliding component, method for producing sliding component, and device for producing sliding component |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19955737B4 (en) | 1999-11-18 | 2005-11-10 | Gkss-Forschungszentrum Geesthacht Gmbh | Method and device for connecting at least two adjoining workpieces by the method of friction stir welding |
-
2009
- 2009-05-19 DE DE102009021850A patent/DE102009021850A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19955737B4 (en) | 1999-11-18 | 2005-11-10 | Gkss-Forschungszentrum Geesthacht Gmbh | Method and device for connecting at least two adjoining workpieces by the method of friction stir welding |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10384301B2 (en) | 2013-10-16 | 2019-08-20 | Komatsu Ltd. | Sliding component, method for producing sliding component, and device for producing sliding component |
DE102015213633B3 (en) * | 2015-07-20 | 2016-11-03 | Volkswagen Aktiengesellschaft | Method for joining at least two components by means of friction spot welding and a friction element designed as a joining element and joining device |
JP6099291B1 (en) * | 2015-12-28 | 2017-03-22 | ヤマザキマザック株式会社 | Friction stir welding tool and machine tool |
WO2017115401A1 (en) * | 2015-12-28 | 2017-07-06 | ヤマザキマザック株式会社 | Tool for friction stir welding and machine tool |
US10835988B2 (en) | 2015-12-28 | 2020-11-17 | Yamazaki Mazak Corporation | Friction stir welding tool and machine tool |
DE102016218431A1 (en) | 2016-09-26 | 2018-03-29 | Ford Global Technologies, Llc | Method for repairing faulty connections |
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Legal Events
Date | Code | Title | Description |
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OAV | Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1 | ||
R005 | Application deemed withdrawn due to failure to request examination |