DE29902286U1 - Coated welding tool - Google Patents
Coated welding toolInfo
- Publication number
- DE29902286U1 DE29902286U1 DE29902286U DE29902286U DE29902286U1 DE 29902286 U1 DE29902286 U1 DE 29902286U1 DE 29902286 U DE29902286 U DE 29902286U DE 29902286 U DE29902286 U DE 29902286U DE 29902286 U1 DE29902286 U1 DE 29902286U1
- Authority
- DE
- Germany
- Prior art keywords
- welding tool
- wear
- tool
- enamel
- coating
- 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 - Lifetime
Links
- 238000003466 welding Methods 0.000 title claims description 37
- 238000000576 coating method Methods 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 21
- 210000003298 dental enamel Anatomy 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910000760 Hardened steel Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 238000005474 detonation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
- B23K20/106—Features related to sonotrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/006—Preventing damaging, e.g. of the parts to be joined
- B29C66/0062—Preventing damaging, e.g. of the parts to be joined of the joining tool, e.g. avoiding wear of the joining tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/8126—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/81261—Thermal properties, e.g. thermal conductivity, thermal expansion coefficient
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
- B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
- B29C66/81429—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth comprising a single tooth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Coating By Spraying Or Casting (AREA)
- Arc Welding In General (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
• •
- - -WWW ^WV * * · #- - -WWW ^WV * * · #
pOita PatentanwältepOita Patent Attorneys
Dipl.Phys. Ulrich Twelmeier Dr. techn. Woldemor Leitner Dr. phi/, not Rudolf Bauer-1990 Dipl. Ing. Helmut Hubbuch -199 J European Patent AttorneysDipl.Phys. Ulrich Twelmeier Dr. techn. Woldemor Leitner Dr. phi/, not Rudolf Bauer-1990 Dipl. Ing. Helmut Hubbuch -199 J European Patent Attorneys
SO01E006DEU/ul99s12/Dr.L/ul/09.02.1999SO01E006DEU/ul99s12/Dr.L/ul/09.02.1999
SONOTRONIC Nagel GmbH, Becker-Göring-Straße 17, D-76307 KarlsbadSONOTRONIC Nagel GmbH, Becker-Göring-Straße 17, D-76307 Karlsbad
Die Erfindung betrifft ein beschichtetes Schweißwerkzeug, das einen Werkzeugkörper mit einer Arbeitsfläche aufweist, die zumindest teilweise mit einer zumindes verschleißreduzierenden Beschichtung versehen ist.The invention relates to a coated welding tool which has a tool body with a working surface which is at least partially provided with a coating which at least reduces wear.
Ein derartiges Schweißwerkzeug ist bekannt. Insbesondere bei Ultraschallschweißwerkzeugen ist es erforderlich, die Arbeitsfläche des Schweißwerkzeugs mit einer zumindest verschleißreduzierenden Beschichtung zu versehen, um einer Verminderung der Standzeit des Ultraschallschweißwerkzeugs durch Abrieb oder Kavitationsverschleiß, der insbesondere dann auftritt, wenn mit demSuch a welding tool is known. In particular with ultrasonic welding tools it is necessary to provide the working surface of the welding tool with at least a wear-reducing coating in order to prevent a reduction in the service life of the ultrasonic welding tool due to abrasion or cavitation wear, which occurs in particular when the
Zerrennerstraße 23-25 D-75172 Pforzheim Postbank Karlsruhe 16852-750 (BLZ660 10075)Zerrennerstrasse 23-25 D-75172 Pforzheim Postbank Karlsruhe 16852-750 (bank code 660 10075)
Telefon (07231) 39840 Telefax(0723 Ij 398444 Sparkasse Pforzheim 803812 (BLZ66650085)Telephone (07231) 39840 Fax (0723 Ij 398444) Sparkasse Pforzheim 803812 (BLZ66650085)
Es gelten ausschließlich unsere Allgemeinen Geschäftsbedingungen VAT Registration No. DE 144 180005Our general terms and conditions apply exclusively VAT Registration No. DE 144 180005
Ultraschallschweißwerkzeug sehr stark plastifizierte Kunststoffe bearbeitet werden sollen, entgegenzuwirken. Bis jetzt werden hierzu Detonationsbeschichtungen, insbesondere eine Wolframkarbid-Schicht, verwendet. Eine derartige Beschichtung besitzt eine Reihe von Nachteilen: Sie neigt dazu, abzuplatzen. Außerdem weist sie eine hohe Oberflächenrauhigkeit auf, was für eine Vielzahl von Anwendungsfällen bedingt, daß die Detonationsbeschichtung in aufwendiger und daher kostenintensiver Art und Weise - z. B. durch Schleifen oder Polieren nachbehandelt werden muß. Der wesentliche Nachteil einer derartigen Detonationsbeschichtung besteht jedoch in den extrem hohen Kosten.Ultrasonic welding tools are used to counteract this. Up to now, detonation coatings, in particular a tungsten carbide layer, have been used for this purpose. Such a coating has a number of disadvantages: it tends to flake off. It also has a high surface roughness, which means that in many applications the detonation coating has to be post-treated in a complex and therefore costly manner - e.g. by grinding or polishing. The main disadvantage of such a detonation coating, however, is the extremely high cost.
Es ist daher Aufgabe der Erfindung, ein Schweißwerkzeug der eingangs genannten Art derart weiterzubilden, daß eine kostengünstigere Herstellung der verschleißhemmenden Beschichtung ermöglicht wird.It is therefore the object of the invention to further develop a welding tool of the type mentioned at the outset in such a way that a more cost-effective production of the wear-inhibiting coating is possible.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die auf der Arbeitsfläche des Werkzeugkörpers des Schweißwerkzeugs aufgebrachte verschleißreduzierende Beschichtung eine Schicht aus Email oder einem Email-Gemisch ist.This object is achieved according to the invention in that the wear-reducing coating applied to the working surface of the tool body of the welding tool is a layer of enamel or an enamel mixture.
Durch die erfindungsgemäßen Maßnahmen wird in vorteilhafter Art und Weise ein insbesondere als Ultraschall-Schweißwerkzeug oder ein Heizelement-Schweißwerkzeug geeignetes Schweißwerkzeug geschaffen, welches sich insbesondere durch seine kostengünstige Herstellung auszeichnet. Durch die erfindungsgemäß vorgesehene Beschichtung zumindest eines Teils der Arbeitsfläche mit Email oder einem Email-Gemisch wird gegenüber der bisher verwendeten Detonationsbeschichtung eine Kostenreduzierung um mindestens den Faktor 10 erreicht. Die erfindungsgemäß vorgesehene Schicht aus Email oder einem Email-Gemisch besitzt desweiteren den Vorteil, daß sie eine glatte Oberfläche aufweist, so daß es nicht mehr - im Gegensatz zu Schweißwerkzeugen, die eine durch ein Detonätionsverfahren aufgebrachte, verschleißreduzierende Schicht aufweisen erforderlich ist, die erfindungsgemäße verschleißreduzierende Schicht durch Schleifen ünd/oder Polieren nachzubehandeln. Die erfindungsgemäßeThe measures according to the invention advantageously create a welding tool that is particularly suitable as an ultrasonic welding tool or a heating element welding tool, which is characterized in particular by its cost-effective production. The coating of at least part of the working surface with enamel or an enamel mixture provided according to the invention results in a cost reduction of at least a factor of 10 compared to the detonation coating used previously. The layer of enamel or an enamel mixture provided according to the invention also has the advantage that it has a smooth surface, so that it is no longer necessary - in contrast to welding tools that have a wear-reducing layer applied by a detonation process - to subsequently treat the wear-reducing layer according to the invention by grinding and/or polishing. The coating according to the invention
• «• «
Beschichtung besitzt desweiteren den Vorteil, daß hierdurch die Schweißwerkzeuge widerstandfähiger gegen Kavitationsverschleiß werden. Außerdem bildet die erfindungsgemäße Beschichtung eine antihaftende Eigenschaft gegenüber dem durch den Schweißvorgang plastifizierten Material, insbesondere plastifizierten Kunststoff, aus. Ein weiterer Vorteil besteht darin, daß die glasartige, glatte Schicht eine viel höhere Temperaturbeständigkeit als andere Antihaft-Beschichtungen - wie z. B. Teflon - aufweist.Coating also has the advantage that it makes the welding tools more resistant to cavitation wear. In addition, the coating according to the invention has a non-stick property compared to the material plasticized by the welding process, in particular plasticized plastic. A further advantage is that the glassy, smooth layer has a much higher temperature resistance than other non-stick coatings - such as Teflon.
Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous developments of the invention are the subject of the subclaims.
Weitere Einzelheiten und Vorteile der Erfindung sind dem Ausführungsbeispiel zu entnehmen, das im folgenden anhand der einzigen Figur beschrieben wird. Es zeigt:Further details and advantages of the invention can be found in the embodiment described below using the single figure. It shows:
Figur 1 ein Ausführungsbeispiel eines Schweißwerkzeugs teilweise im Schnitt.Figure 1 shows an embodiment of a welding tool, partly in section.
Das in Figur 1 dargestellte Ausführungsbeispiel eines allgemein mit 1 bezeichneten Schweißwerkzeugs weist einen Werkzeugkörper 2 mit einer Arbeitsfläche 3 auf. Der Werkzeugkörper 2 ist beispielsweise aus Titan, Aluminium oder gehärtetem Stahl gefertigt. Die konturiert ausgeführte Arbeitsfläche 3 des Schweißwerkzeugs 1 dient in ansich bekannter Weise zur Herstellung einer entsprechenden Kontour 11 in einem Kunststoffteil 10. Ein derartiges Schweißwerkzeug 1 - insbesondere ein Ultraschall-Schweißwerkzeug oder ein Heizbacken eines Heizelement-Schweißwerkzeugs - ist bekannt, so daß es nicht mehr näher beschrieben werden muß.The embodiment of a welding tool shown in Figure 1, generally designated 1, has a tool body 2 with a working surface 3. The tool body 2 is made, for example, from titanium, aluminum or hardened steel. The contoured working surface 3 of the welding tool 1 serves in a manner known per se to produce a corresponding contour 11 in a plastic part 10. Such a welding tool 1 - in particular an ultrasonic welding tool or a heating jaw of a heating element welding tool - is known, so that it no longer needs to be described in more detail.
Wichtig ist nun, daß die Arbeitsfläche 3 des Schweißwerkzeugs 1 - zumindest teilweise - mit einer zumindest verschleißreduzierenden Beschichtung 4 aus Email oder aus einem Email-Gemisch beschichtet ist, wobei vorzugsweise derIt is now important that the working surface 3 of the welding tool 1 is coated - at least partially - with an at least wear-reducing coating 4 made of enamel or an enamel mixture, preferably the
-A--A-
Ausdehnungskoeffizient dieser verschleißreduzierenden Beschichtung 4 derart auf den Ausdehnungskoeffizienten des Werkzeugkörpers 2 - zumindest im Bereich der Arbeitsfläche 3 - abgestimmt ist, daß bei einer durch thermische Einflüsse bewirkten Ausdehnung der Arbeitsfläche 3 des Schweißwerkzeugs 1 keine Spannungen zwischen den verschleißreduzierende Beschichtung 4 und dem Werkzeugkörper 2 auftreten, die zu einem Abplatzen der Beschichtung 4 aus Email oder einem Email-Gemisch führen. Dem Fachmann ist es ohne Schwierigkeiten möglich, die Eigenschaften des verwendeten Emails oder des Email-Gemisch auf das für den Werkzeugkörper 2 verwendete Material abzustimmen, so daß hierzu keine weiteren Ausführungen erforderlich sind.The expansion coefficient of this wear-reducing coating 4 is matched to the expansion coefficient of the tool body 2 - at least in the area of the working surface 3 - in such a way that when the working surface 3 of the welding tool 1 expands due to thermal influences, no tensions arise between the wear-reducing coating 4 and the tool body 2 that could lead to the coating 4 made of enamel or an enamel mixture flaking off. It is easy for a person skilled in the art to match the properties of the enamel or enamel mixture used to the material used for the tool body 2, so that no further explanations are required.
Überraschenderweise hat sich gezeigt, daß die Verwendung einer verschleißreduzierenden Beschichtung 4 aus Email oder einem Email-Gemisch insbesondere bei Ultraschall-Schweißwerkzeugen äußerst gute Resultate bringt, obwohl dieses Ergebnis nicht zu erwarten war, da Ultraschallschweißwerkzeuge beim Schweiß-Vorgang sehr stark schwingen und es daher zu erwarten gewesen wäre, daß hier der Einsatz einer sehr harten und spröden Emailierung nicht möglich ist.Surprisingly, it has been shown that the use of a wear-reducing coating 4 made of enamel or an enamel mixture produces extremely good results, particularly with ultrasonic welding tools, although this result was not to be expected, since ultrasonic welding tools vibrate very strongly during the welding process and it would therefore have been expected that the use of a very hard and brittle enamel coating would not be possible here.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29902286U DE29902286U1 (en) | 1999-01-22 | 1999-02-10 | Coated welding tool |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19902385 | 1999-01-22 | ||
| DE29902286U DE29902286U1 (en) | 1999-01-22 | 1999-02-10 | Coated welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE29902286U1 true DE29902286U1 (en) | 1999-05-27 |
Family
ID=7895012
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE29902286U Expired - Lifetime DE29902286U1 (en) | 1999-01-22 | 1999-02-10 | Coated welding tool |
| DE19909660A Expired - Fee Related DE19909660C2 (en) | 1999-01-22 | 1999-03-05 | Coated welding tool and a method for its production |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19909660A Expired - Fee Related DE19909660C2 (en) | 1999-01-22 | 1999-03-05 | Coated welding tool and a method for its production |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE29902286U1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6827386B2 (en) * | 2017-08-15 | 2021-02-10 | イーグル工業株式会社 | Ultrasonic bonding jig, ultrasonic bonding method and bonding structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7302800U (en) * | 1973-07-05 | Fichtner J | Sonotrode, in particular made of an aluminum alloy, for the ultrasonic processing of plastics | |
| DE2303664B1 (en) * | 1973-01-25 | 1973-08-09 | Juergen Fichtner | Aluminium alloy sonotrode - chemically coated with nickel |
| DD216416B1 (en) * | 1983-04-29 | 1989-03-08 | Bergman Borsig Veb | SONOTRODE FOR ULTRASONIC MACHINING OF PLASTICS |
-
1999
- 1999-02-10 DE DE29902286U patent/DE29902286U1/en not_active Expired - Lifetime
- 1999-03-05 DE DE19909660A patent/DE19909660C2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE19909660A1 (en) | 2000-09-28 |
| DE19909660C2 (en) | 2001-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R207 | Utility model specification |
Effective date: 19990708 |
|
| R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 20020404 |
|
| R157 | Lapse of ip right after 6 years |
Effective date: 20050901 |