EP2961536A1 - Procédé d'obtention d'un scellement - Google Patents

Procédé d'obtention d'un scellement

Info

Publication number
EP2961536A1
EP2961536A1 EP14705522.2A EP14705522A EP2961536A1 EP 2961536 A1 EP2961536 A1 EP 2961536A1 EP 14705522 A EP14705522 A EP 14705522A EP 2961536 A1 EP2961536 A1 EP 2961536A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
heating
sealing
heating device
metering device
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Withdrawn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
EP14705522.2A
Other languages
German (de)
English (en)
Inventor
Jozef HUDINA
Uwe Weinbrecht
Dirk Reitenbach
Eric Grulich
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP2961536A1 publication Critical patent/EP2961536A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/06—Sealing strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
    • B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
    • B05C5/0216—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles by relative movement of article and outlet according to a predetermined path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0281—After-treatment with induction heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02—Side panels
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0218—Pretreatment, e.g. heating the substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0218—Pretreatment, e.g. heating the substrate
    • B05D3/0245—Pretreatment, e.g. heating the substrate with induction heating

Definitions

  • the present invention relates to a method for sealing adhesive and sealing points, especially in the automotive sector.
  • edge seam bonding and sealing which is also known by the term fine seam seal, coarse seam sealing and structural bonding to bodies as well as relining of, for example, add-on parts.
  • a bead of a sealing adhesive or sealant in the form of a curable material is usually placed over the outwardly open region of the fold, which gels in a first hardening process of the sheet in the curable composition and is completely cured in a subsequent hardening process .
  • the hardenable mass used here is PVC in particular.
  • DE102006006848A1 discloses a method and an apparatus for producing a seam-glued connection of workpieces, wherein in an open fold of a first workpiece, a bonding adhesive is applied in a web and at least substantially simultaneously in addition to the web of the bonding adhesive at least one sealant adhesive in a further web is applied, which serves at the closed fold around the edge of another workpiece sealing the seam-gluing connection.
  • a bonding adhesive is applied in a web and at least substantially simultaneously in addition to the web of the bonding adhesive at least one sealant adhesive in a further web is applied, which serves at the closed fold around the edge of another workpiece sealing the seam-gluing connection.
  • air pockets are included in the edging fold under the sealant adhesive, which expand at a later cure and form visible blisters outwardly. On the one hand, these bubbles disturb the appearance and, on the other hand, form weak points of the seal against corrosive attacks.
  • EP1041 130A1 discloses a method for sealing body panels, in particular for hem seam sealing of vehicle attachment parts, e.g. of doors, rear or front flaps or sunroof lids.
  • the method is based on a double pre-crosslinking of the sealant in the body shell.
  • the surface of a UV-active sealing compound is pre-crosslinked by UV irradiation, and in a second, directly following step, the edge-seam adhesive and the sealing compound are cured by thermal action.
  • a breaking of a seal by an enclosed air bubble is to be prevented.
  • this process may be expensive and incurs additional costs.
  • EP1 186642A1 discloses a special two-component system suitable for relining, hem flange bonding and sealing of body panels particularly suited for hem flange sealing of vehicle attachment parts and a method for sealing a bodywork section.
  • the two-component systems described reach within the predetermined cycle time required for the assembly of the attachments to the body grip strength and with the KTL passage required for the manufacturing process strength and dimensional stability due to a double crosslinking of the sealant. As a result, in particular a breaking of a seal by an enclosed air bubble is to be prevented. However, this process can be very time-consuming and / or incurs additional costs.
  • the special two-component system used here causes additional costs and may make handling more difficult.
  • the basic idea of the invention is the use of a method in which by means of a metering device a sealing compound is applied to an application area of a workpiece under relative movement between the workpiece and the metering device, by means of a heating device the application area of the workpiece onto which the sealing compound is applied under relative movement between the workpiece and heating device is heated prior to the application of the sealing compound, wherein preferably the order of the sealing compound via the metering device takes place in the heated state of the application area.
  • the method according to the invention is used in the motor vehicle industry, for example in the sealing or seam sealing of hemispheres in motor vehicle construction.
  • a sealing compound in particular in the form of a curable material, for example in the form of a bead, is usually placed over the outwardly open region of a fold, which is hardened after application in one or more curing steps, in particular by thermal action.
  • the sealant may be based on a plastisol.
  • These plastisols may be in particular PVC plastisols, as described for example in DE 1769325A or DE2200022A.
  • the use of other suitable itself and in particular already in the motor vehicle for sealing coming to use coming sealants conceivable.
  • the method according to the invention seeks to reduce the trapped air quantity and / or moisture in contact with other problems such as the Break through the seal to prevent.
  • the method according to the invention aims at minimizing or even eliminating the source of the error itself, rather than devoting itself to concealing its symptoms. Therefore, after a complete implementation of the new method, the effort of quality control of the seam seal can be significantly reduced. In addition, the time-consuming manual reworking of previously defective sections in the seam sealing can be omitted. With the new process, the production process can be significantly simplified and the quality increased. The new method can also be implemented without major investments in existing lines.
  • the essential essence of the method according to the invention provides for the workpiece, ie, for example, the edging seam of a motor vehicle door, to be heated by a heating device immediately before application of the sealing compound in the application area, ie, the application location of the sealing compound such that heating of the area remaining there within the edging fold Amount of air is used to achieve a change in air density.
  • the density of the remaining amount of air at a said heating decreases by part of the thus heated air quantity escapes in the direction of the outwardly open portion of the fold.
  • said sealing compound is applied via the metering device.
  • the application is preferably made at a time when said amount of air is still heated so that it is in a state of lower density and a part of the amount of air has escaped. Accordingly, the order of the sealing compound is still in the heated state of the remaining amount of air. The remaining amount of air is thus trapped in the state of lower density of the sealant.
  • the inclusion is preferably carried out such that no air from outside can reach the remaining and enclosed by the sealant air.
  • the heating device is designed and set the process sequence such that a heating of the application area up to a temperature in the range of 80 ° C to 180 ° C. Within this range, the amount of air remaining in the fold can be heated sufficiently to achieve the described density change. In addition, a load on the application area itself or impairment of an already used adhesive and / or sealant within the fold can be excluded or at least minimized.
  • the inventive method by suitable selection of the process parameters, the remaining amount of air in the edging fold by defined heating of the workpiece in the order area, ie in the region of the order location of the sealing compound, immediately before the application of said sealant preferably be reduced so far that the risk of destruction or Deformation of the sealant by a density change in the amount of air, for example, in later heating of the workpiece, in particular in a tempering, is minimized or reduced.
  • suitable selection of the parameters can be dispensed by the inventive method also on a pre-gelling of the sealant, which is to serve the safe sealing in known methods.
  • the heating of the workpiece, more precisely the job location of the sealing compound takes place by a relative movement between the workpiece and the heater.
  • the order of the sealing compound is also carried out by a relative movement between the workpiece and in this case between dosing. It has proved to be particularly advantageous if the heating device of the metering device preferably leads in a defined and constant distance.
  • the relative movement takes place at least partially between the workpiece on one side and a sealing unit consisting of heating device and metering device on the other side.
  • Dosing and heating device can thus, for example, at least in particular area or sections in a primary relative movement or basic direction together as a sealing unit undergo a relative movement with or to the workpiece. Whereby both a movement of the workpiece, a movement of the sealing unit or a movement of the workpiece and the sealing unit is conceivable.
  • a sealing unit can be understood in particular to be a unit which provides a fixed connection between the heating device and the metering device, so that the heating device of the metering device leads in preferably a defined and constant distance during the relative movement, in order to ensure that the application area immediately before the application Sealant is heated.
  • the sealing unit can also be understood to mean a heating device and a metering device as two completely separate or separated components, which, however, assume the same or essentially the same relative movement with respect to the workpiece, in order to ensure that the place of application of the sealing compound immediately before the application of the Sealant is heated.
  • the heating device and metering device essentially receive the same primary relative movement with respect to the workpiece, one of the two devices mentioned or both experience additional relative movements with respect to the workpiece in addition to the said primary relative movement.
  • the heating device and / or the metering device in addition to the primary relative movement, in which, for example, the order of the sealing compound can take place, one or more secondary relative movements.
  • the heating device and / or the metering device can enter or experience a relative to the primary relative movement or meandering secondary relative movement.
  • the workpiece on one side or the heater and metering device or both devices can be moved together as a sealing unit on the other side. It is possible that the heating device and metering device or both devices together as a sealing unit on one side or the workpiece resting on the other side or are each moved with the moving part in a different direction.
  • a primary relative movement takes place in a range of 100 mm / s to 350 mm / s, preferably in a range of 150 mm / s to 300 mm / s, so that, for example, in particular by suitable design of the heater as short residence times of the workpiece within the heating surface of the heater, in particular in a range of 0, 1 to 0.6 s.
  • the sealing unit containing the heating device and at a fixed distance thereto the metering device is moved at a feed rate of, for example, 250 mm / s relative to the workpiece that is stationary in this case, for example.
  • the method according to the invention is preferably used for a seam-glued connection in body panels, preferably for the connection of interior and exterior panels, e.g. in doors and / or flaps for a motor vehicle.
  • an inductively heatable workpiece in particular made of steel or aluminum
  • the heater has at least one inductor for inductive heating of the workpiece.
  • Inductors are preferably used which operate at a frequency in the range from 70 kHz to 200 kHz, particularly preferably in a range from 150 kHz to 180 kHz.
  • the inductor is also liquid-cooled, in particular by means of a water emulsion.
  • the distance of the heating device during the heating to the workpiece, in particular to be heated application area in particular the heat emitting area of the heater or the heat-emitting portion of the heater or the heating surface of the heating device or the opposite of the order range area of the heater , in particular of the inductor in a range of 0.2 cm to 2 cm, more preferably in a range of 0.4 cm to 0.8 cm in the illustrated embodiment, for example, 0.5 cm.
  • the heating device of the metering device or the nozzle of the metering device for applying the sealing compound leads simultaneously in a time interval in the range from 0.1 s to 6 s.
  • This may be particularly advantageous because in the production line existing and already in use hardware can be shared with the new process without major expenses, for example, the respective application robot for sealing, in particular for said seam seal and the heating device for heating, in particular, said inductor may carry.
  • the relative movement is selected in such a way and the heating device is designed such that the application area in a time interval in the range of 0, 1s to 0.8s, preferably within 0.1 s to 0th 3s is located within an effective heating surface or an effective heating region of the heating device.
  • This can be understood as meaning the area or space around the heating device which has an influence on the temperature in the sense of an increase in temperature, that is to say a heating of the application area of the workpiece. For example, excessive heating and workpiece damage or workpiece damage can be avoided.
  • a bus interface in particular a Profibus, or a real-time Ethernet interface.
  • a sealing unit for producing a seal on or on a workpiece, comprising a metering device for applying a sealing compound and a heating device for heating the workpiece prior to the application of the sealing compound.
  • a sealing unit is suitable, for example, for the method described above.
  • the above-described advantageous embodiments of dosing device, heating device and also of the sealing unit are also here as preferred karte embodiments are applicable and supplement insofar this device-related section.
  • connection of the metering device and the heating device such that a defined distance between the metering device and the heater is maintained during a relative movement between the sealing unit and the workpiece.
  • This can be done for example by the above described in the context of the method design of the sealing unit.
  • a fixed connection of heating device and metering device can be provided, so that the heating device of the metering device leads at a fixed distance during the relative movement in order to ensure that the application region is heated immediately before the application of the sealing compound.
  • an adjustability of the distance in particular by suitable mechanical, electromechanical or pneumatically driven adjusting means conceivable.
  • the heating device of the sealing unit has at least one inductor for inductive heating of an inductively heatable workpiece.
  • the inductor may in particular have the above-mentioned preferred characteristic values with regard to power and frequency.
  • the inductor may be liquid-cooled, in particular by means of a water emulsion. It has proven to be particularly advantageous to use a round inductor or a line inductor or a Polygonalinduktor. In an advantageous development, it is additionally or alternatively provided to make the inductor interchangeable.
  • Another advantage is the use of one or more multi-axis robots, on whose arm or arms the metering device and the heating device are arranged.
  • it can be advantageous, in particular for connecting the heating device to existing production lines, to equip the robot or the heating device and / or the metering device itself with a bus interface, in particular a Profibus, or a real-time Ethernet interface.
  • FIG. 1 shows a sectional view through a workpiece and a side view of a sealing unit according to the invention for carrying out a method according to the invention
  • Figure 2 is a front view of the sealing unit of Figure 1 in the implementation of the method according to the invention.
  • the workpiece 1 1 is an outer panel 12 of a motor vehicle door, which is folded by means of a fold 13 via an inner panel 14.
  • a hem flange adhesive 17 is provided, which is applied before folding and is dimensioned in its amount so that it ideally fills the entire folding area.
  • a sealing compound 6 is applied by means of a spraying process which, as a seal 7, covers the outer fold region and, in particular, said free edge 15.
  • a cavity may occur in the marginal region of the fold 13 which, when the sealing compound 6 is applied, leads to an air inclusion 18 which is expanding and the seal 7 could break.
  • the method according to the invention and the application unit 1 according to the invention are used.
  • the sealing unit 1 for producing a seal 7 on the workpiece 11 comprises a metering device 4 for applying the sealing compound 6 and a heating device 2 for heating the application area of the workpiece 11 to which the sealing compound 6 is to be applied immediately before the application of the sealing compound 6.
  • the metering device 4 comprises an application nozzle 5 for applying the sealing compound 6 to the outer fold region, wherein the order of the sealing compound 6 by means of a relative movement of metering device 4 and workpiece 1 1 takes place.
  • the workpiece 1 1 is held by a robot arm, not shown, in the shown order position, wherein a further multi-axis robot arm 9 is provided, on which via a holding device 8 said metering device 4 is mounted and by means of which the metering device 4 for applying the sealant 6 is movable in a direction of movement 10 relative to the workpiece 1 1.
  • a further multi-axis robot arm 9 is provided, on which via a holding device 8 said metering device 4 is mounted and by means of which the metering device 4 for applying the sealant 6 is movable in a direction of movement 10 relative to the workpiece 1 1.
  • the workpiece 11 it is also conceivable for the workpiece 11 to be movable relative to the application unit 1, in particular by means of the above-mentioned robot arm.
  • the metering device 4 and in particular the application nozzle 5 are designed such that on the one hand different sealing compounds 6 are applied, on the other hand, however, different order types can be selected.
  • the sealing compound 6 can be applied or sprayed on as a bead, but an application by means of thin-jet spraying is conceivable, as illustrated, via an application jet.
  • said heating device 2 is additionally provided for heating the application area of the workpiece 11.
  • the heating device is also mounted on the robot arm 9 via said holding device 8.
  • the arrangement of heating device 2 and metering device 4 is such that the application area for the sealing compound 6 on the workpiece 1 1 is heated immediately before the application of this sealing compound 6.
  • the heating device 2 has an inductor 3 for inductive heating of a rich of the workpiece 1 1 on.
  • the inductor 3 has a power of 18kW and a frequency of 180kHz.
  • a liquid cooling not shown, is provided, wherein a water emulsion is used as the cooling liquid.
  • the sealing unit 1 is arranged and moved in the direction of movement 10 relative to the workpiece 1 1 that the inductor 3 during the heating of the workpiece 1 1 at a constant distance of about 0.5 cm from the outer surface of the workpiece 1 1
  • the inductor 3 is selected and on the other hand moves the sealing unit 1 with such a, preferably constant speed in the direction of movement 10 relative to the workpiece 1 1 in that the application area of the workpiece 11 is only within a period of approximately 0.3 s within the area of the inductor 3 which is effective for heating the application area, or rather, any area of the application area provided for heating only approximately 0.3 s of heating the heater 2 is exposed.
  • the sealing unit 1 is moved at a feed rate of about 250mm / s relative to the stationary in this case workpiece 1 1.
  • the workpiece 1 1 is heated directly in the application area, whereby indirectly also an air quantity located there is heated.
  • the heating of the workpiece 1 1 takes place up to a temperature of about 140 ° C, which leads to an identical or at least similar temperature of said amount of air.
  • the density of the remaining amount of air decreases, as part of the heated air quantity escapes in the direction of the region of the fold 13 which is still open in the direction of the outer fold region and the free edge 15.
  • the distance between the metering device 4 and the heating device 2 on the holding device 8 and the speed of the sealing unit 1 in the direction of movement 10 are set such that the heating device 2 or rather said surface of the inductor 3 of the metering device 2 which acts to heat the application area is moved during the movement of the sealing unit 1 in the direction of movement 10 at a time interval of here 0.3 s simultaneously advanced.
  • a cooling of the application area after heating can be avoided, so that an order of the sealing compound 6 can be carried out at a still sufficient temperature of the application area.
  • the order of the sealing compound 6 is still in the heated state of the remaining amount of air, so that the remaining amount of air is included in the state of lower density of the sealing compound 6.
  • FIG. 1 shows a plan view of the end face of the fold 13 and a corresponding front view of the sealing unit 1 of Figure 1 in carrying out the inventive method for producing a seal 7. It can be seen that both heater 2 with the inductor 3 and metering device 4 with the application nozzle 5 are fixed together on the holding device 8 on the multi-axis robot arm 9.
  • heating device 2 and metering device 4 are moved as a unit in the direction of movement 10, wherein heating device 2 and metering device 4 fixed and fixed during the process with respect to their position to each other at a relative movement between the sealing unit 1 and workpiece 1 1 a defined distance between the heater 2 and To be able to comply with metering device 4.
  • the holding device 8 can also be designed such that on the one hand a fixation of said components for the process can be made, on the other hand, for example, via a linear drive or similar mechanical aids, the distance between the heater 2 and metering device 4 is variable, in particular to the sealing unit, for example in a Change the workpiece 1 1 adapt and designed to be flexible to use.
  • the application area of the workpiece 1 1 provided for applying the sealing compound 7 can be heated by means of the inductor 3 immediately before the application of the sealing compound 7, such that heating there within the edging fold remaining amount of air to achieve an above-described change in air density. If, in addition to said amount of air or additionally or alternatively, residual moisture in the edging fold should remain, the same can likewise be removed or at least reduced by the use of said heating device 2 by heating the application area immediately before application of the sealing compound 6.
  • the method according to the invention aims at minimizing or even eliminating the source of the error itself, rather than devoting itself to concealing its symptoms.
  • the expense of quality control of the seam seal can be significantly reduced and it can eliminate the laborious manual reworking of previously defective sections in the seam seal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Sealing Material Composition (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Gasket Seals (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

L'invention concerne un procédé d'obtention d'un scellement (7). Selon ce procédé, une masse de scellement (6) est appliquée au moyen d'un dispositif de dosage (4) sur une pièce (11) sous l'effet d'un mouvement relatif (10) entre la pièce (11) et le dispositif de dosage (4). Selon ce procédé, une zone d'application de la pièce (11), sur laquelle la masse de scellement (6) est appliquée, est chauffée au moyen d'un dispositif de chauffage (2), sous l'effet d'un mouvement relatif (10) entre la pièce (11) et le dispositif de chauffage (2), avant l'application de la masse de scellement (6).
EP14705522.2A 2013-02-27 2014-02-20 Procédé d'obtention d'un scellement Withdrawn EP2961536A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013203302.8A DE102013203302B4 (de) 2013-02-27 2013-02-27 Verfahren zum Herstellen einer Versiegelung und dessen Verwendung
PCT/EP2014/053305 WO2014131682A1 (fr) 2013-02-27 2014-02-20 Procédé d'obtention d'un scellement

Publications (1)

Publication Number Publication Date
EP2961536A1 true EP2961536A1 (fr) 2016-01-06

Family

ID=50150704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14705522.2A Withdrawn EP2961536A1 (fr) 2013-02-27 2014-02-20 Procédé d'obtention d'un scellement

Country Status (9)

Country Link
US (1) US20150367788A1 (fr)
EP (1) EP2961536A1 (fr)
JP (1) JP2016518957A (fr)
KR (1) KR20150119939A (fr)
CN (1) CN105102136A (fr)
BR (1) BR112015019832A2 (fr)
CA (1) CA2901797A1 (fr)
DE (1) DE102013203302B4 (fr)
WO (1) WO2014131682A1 (fr)

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Publication number Publication date
WO2014131682A1 (fr) 2014-09-04
JP2016518957A (ja) 2016-06-30
DE102013203302B4 (de) 2015-02-19
KR20150119939A (ko) 2015-10-26
DE102013203302A1 (de) 2014-08-28
CN105102136A (zh) 2015-11-25
BR112015019832A2 (pt) 2017-07-18
US20150367788A1 (en) 2015-12-24
CA2901797A1 (fr) 2014-09-04

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