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WO2010069599A1 - Dispositif et procédé d'assemblage par faisceau laser - Google Patents

Dispositif et procédé d'assemblage par faisceau laser Download PDF

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Publication number
WO2010069599A1
WO2010069599A1 PCT/EP2009/009156 EP2009009156W WO2010069599A1 WO 2010069599 A1 WO2010069599 A1 WO 2010069599A1 EP 2009009156 W EP2009009156 W EP 2009009156W WO 2010069599 A1 WO2010069599 A1 WO 2010069599A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible element
reservoir
partners
joining
clamped
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.)
Ceased
Application number
PCT/EP2009/009156
Other languages
German (de)
English (en)
Inventor
Andrei Boglea
Michael Aleff
Arnold Gilner
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of WO2010069599A1 publication Critical patent/WO2010069599A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
    • 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
    • B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission 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
    • 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
    • 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
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/26—Hot fluid
    • 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
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • 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
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • 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
    • 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
    • B29C66/81266—Optical properties, e.g. transparency, reflectivity
    • B29C66/81267—Transparent to electromagnetic radiation, e.g. to visible light
    • 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
    • B29C66/8145—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81455—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being a fluid inflatable bag or bladder, a diaphragm or a vacuum bag for applying isostatic pressure
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9241—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/929—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/0013—Re-forming shaped glass by pressing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/0073—Re-forming shaped glass by blowing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/20—Uniting glass pieces by fusing without substantial reshaping
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1677—Laser beams making use of an absorber or impact modifier
    • B29C65/1683—Laser beams making use of an absorber or impact modifier coated on the article
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • 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

Definitions

  • the invention also relates to a corresponding method for laser beam jointing of two joint partners, in which the joint partners braced with each other before and / or during the application of laser radiation
  • the preferred field of application is the Laser funnelstrahlfugen of components, such as the welding of plastic components, in particular of thermoplastic materials, and the laser beam bonding of silicon and glass
  • Another field of application is, for example, the glass soldering
  • the laser transmission joints in particular the laser transmission joints of plastics, has become an established method.
  • Growing components by creating a laser beam overlapping connection between a component that is transparent to the laser beam and a component that absorbs the laser beam is called Laser transmission welding.
  • the most well-known method of application of the method is plastic welding, but also for other materials that are transparent or at least partially transparent for laser radiation, such as Sihzium glass composites and glass solders, the method of laser transmission is used in all these methods FPL case number 08F49691 ILT 2 16 12 2009
  • Fugal partner arranged so that the laser beam first meets the transparent Fugepartner and this penetrates After passing through the first Fugepartner the laser beam strikes the second Fugepartner, which is itself absorbing for the laser radiation or grouted by a laser radiation absorbing cover layer by the irradiation of the absorbent Fugepartners creates heat, which leads with sufficient thermal contact, depending on the method to a melting of the joint partners or to a thermally induced chemical reaction
  • the laser beam bonding of silicon and glass is based on the use of adhesion forces and the formation of chemical compounds at the Fugestelle Since this process thermal expansion can not be used due to the small expansion coefficients, the components are here even with zero gap to fix each other
  • the replaceability of the clamping device is severely limited.
  • the area to be welded remains free.
  • the parts to be joined must be designed with a peripheral edge as support surface for the tensioning goggles.
  • the non-symmetrical pressurization can lead to mechanical distortion or to additional gap formation.
  • EP 1405713 A1 discloses the bracing of two plastic workpieces by mechanical pressing by means of a transparent glass ball. This can be moved rolling over the transparent joining partner and also serves as a focusing lens for the laser radiation. Although three-dimensional joining partners can be clamped together with this arrangement, the concave seam courses must have larger radii than those of the glass ball; in particular, sudden contour changes (eg 90 ° angles) can not be clamped in this way.
  • the invention is therefore based on the object to provide a device and a method for clamping two joining partners, which mechanical stresses and an additional gap formation are avoided, which / moreover quickly and flexibly for differently shaped, especially for very complex three-dimensional components used , and which / which is particularly suitable for the laser transmission joining.
  • a clamping device for clamping two joining partners which comprises a reservoir which is filled or filled with a gaseous or liquid medium and which is delimited at least partly by a flexible element.
  • the joint partners to be clamped can be brought into contact with the flexible element in such a way that a force can be exerted on at least one of the joint partners to be clamped by a pressure that can be generated in the reservoir via the flexible element.
  • the invention thus avoids uneven pressurization.
  • the pressure which can be generated in the reservoir according to the invention results in a flexible element against the joining partners, and thus indirectly in a force pressing against one another against the joining partners. Since the pressure in the reservoir is homogeneous or nearly homogeneous, the force acting on the flexible element or indirectly on the joining partners is distributed spatially very homogeneously. Mechanical tensions or additional gap formations between the Fügepart ⁇ ern be avoided.
  • the element that is brought into contact with the joint partners to be clamped is flexible, ie not stiff but yielding, so that it is deformable in the force generated by the pressure generated in the reservoir
  • It may for example be elastic, in particular so elastic that it at The force effect by the pressure generated in the reservoir can change its shape and preferably returns to its original shape after its removal or at least largely returns to its original form.
  • it can also be elastic only to a limited extent, in particular it can be viscoelastic or plastically deformable In any case, it is preferably deformable again, at least after deformation, so that it can be used many times in succession for bracing, whereby the duration of the process is shortened and the service life of the device is increased
  • the flexibility, ie in particular the flexibility, flexibility and deformability, of the flexible element makes it possible and is preferably so pronounced that its surface topography can conform to the contour of a joint partner to be clamped.
  • the flexible element can be stretched, stretched or curved
  • the flexible element is able to fit tightly to the contour of the joint partners when the pressure is suitably selected.
  • the choice of the flexible element, and in particular its compliance or deformability, and the height of the pressure generated in the reservoir, are expressed differently As a result of this pressure, the flexible element fits tightly against the contour of the joint partners.
  • the force effect is distributed spatially homogeneously over the entire surface of the joint partners facing the elastic element
  • the joint partners can in particular be designed three-dimensionally - ie the method is not limited to pure flat structures - without a specially adapted to these Fugepartner pressing must be made
  • the clamping device is thus very versatile, without long Umrust
  • the device according to the invention has particular advantages in laser beam jointing.
  • the device can be configured in a simple way, in particular, such that when the joint partner is braced FPL Case Number 08F49691 ILT 6 16 12 2009
  • the clamping device for this purpose has an optical access through which a loading of the joint partners with radiation of the laser beam source is made possible.
  • the flexible element is suitably designed for this purpose is the flexible element for radiation in the range of 400 to 3000 nm, preferably in the range of 700 to 2200 nm, and in particular for the radiation of the laser beam source transparent or at least substantially transparent
  • a laser exposure of the joint partner through the flexible element can be carried out
  • a suitable flexible element may, for example, comprise a polymer component or consist of a polymer.
  • the flexible element preferably has a silicone and / or Teflon component or consists of silicone and / or Teflon silicone has a high transmission in said radiation region and a high degree of flexibility, Teflon has a high temperature resistance
  • the medium used to charge the reservoir is or is a gaseous or liquid medium.
  • the medium is preferably also for radiation in the range from 400 to 3000 nm, preferably in the range from 700 to 2200 nm , and in particular for the radiation of the laser beam source used transparent or at least substantially transparent
  • a medium well suited, especially for use in laser beam joints, for example, air which is characterized in particular by the fact that it is highly transparent and very readily available and leaves no pollution, so that the equipment and financial expenditure comparatively low remains
  • the same advantages have water, which in addition a high thermal conductivity is given
  • the reservoir is a space which is at least tight during the tensioning process for the contained gaseous or liquid medium.
  • the tensioning device may comprise one or more closable inlet means for admitting the medium into the reservoir, with which the pressure of the medium in the reservoir is preferably adjustable will at least teilificathch FPL case number 08F49691-ILT 7 16 12 2009
  • the volume of the reservoir is preferably variable due to the flexibility of the flexible element.
  • the reservoir is completely bounded by the flexible element.
  • the reservoir bounded by the flexible element constitutes a "fluid pad.”
  • the clamping device has one or more limiting means, which alone or together with the joining partners to be clamped a chamber or together with the joining partners to be clamped and with a support element on which the F ⁇ gepartner placed or can be fixed to the joining partners, can form a chamber which is impermeable to the flexible element located therein.
  • the one or more limiting means can thus, according to a first alternative, already alone form a chamber; in order to clamp two joining partners, they must first be opened in this case and the joining partners with the relative positioning with which they are to be connected are to be placed therein; then the chamber is to be resealed so that it is impermeable to the flexible element located therein.
  • a chamber could e.g. by a base plate as a first limiting means on which the joining partners can be placed and one or more further limiting means in the manner of a bell, which is placed on the base plate, the joining partners in the chamber, is placed realized.
  • the one or more limiting means not yet alone, but together with the joining partners to be clamped, or together with the joining partners to be clamped and with a support element, form a chamber.
  • the chamber is thus not part of the tensioning device, but is formed during the tensioning process.
  • the one or more limiting means is brought into contact with at least one of the joint partners to be clamped, for example, on it, that forms a cavity between them, so they together form a chamber.
  • the one or more limiting means is so brought into contact with the support element on which the Fugepartner or to which they are fixed, z B on it, that they together form the chamber
  • the support element many embodiments are conceivable Provided for the support element alone, that the Fugepartner can be placed on it or can be fixed thereto and that it is suitable to oppose during the tensioning operation on at least one of the force to be clamped Fugepartner a counterforce, preferably the support element is rigid and in the direction of at least one
  • the support element can, but need not be part of the clamping device It can thus be a used in each clamping component, but it is also possible that a support element is provided individually for each clamping operation As a support element esp especially a table or the support surface of a conveyor belt in question
  • the chamber is already part of the clamping device or is formed only during the clamping operation together with the joint partners to be clamped or together with the joint partners to be clamped and with the support element, it is or is in any case designed so that they for the then flexible element is impenetrable
  • the chamber constitutes the outer boundary for the reservoir. In this way, the force produced in the reservoir can be metered and homogeneously forwarded to the joint partners in a force acting homogeneously on the flexible element
  • the flexible element in the chamber preferably separates the reservoir from a region provided for receiving the joint partners.
  • the chamber thus has two regions, namely a region containing the reservoir and an area provided for receiving the joint partners Element separated, in particular, this is a preferably airtight and tight in relation to the medium given separation This causes a simple and fast FPL case number O8F49691 ILT 9 16 122009
  • the or the limiting means or is designed so that they and in particular the chamber can withstand the pressure generated in the reservoir during the tensioning operation
  • a bell which is placed over a base plate and the lying thereon Fugepartner be doing with a fixing force to the base plate to be printed, which is sufficient that the bell is due to the production of the pressure in the reservoir does not repel the base plate and thus withstand this pressure
  • the clamping device comprises a Druckeinstellein ⁇ chtung for changing the pressure of the medium in the reservoir
  • the Druckeinstellein ⁇ chtung preferably at least one means, with which increases the amount of the medium in the reservoir and / or at least one means with which the volume of the reservoir can be reduced
  • an inlet device for introducing the medium into the reservoir may be present. This can easily increase the pressure of the medium in the reservoir.
  • the pressure that can be generated in the reservoir, through which a force is applied via the flexible element can be exercised on at least one of the joint partners to be clamped or the force acting on at least one of the joint partner to be clamped by the flexible element force can thus be adjusted accurately and reproducibly with little effort
  • a means may be provided with which the volume of the chamber, in particular of the reservoir, can be reduced.
  • the clamping device may comprise an adjusting device with which a limiting means or the support element relative to a (other) limiting means and / or or the flexible element can be moved so that FPL Case Number 08F49691 ILT 10 16 12 2009
  • a limiting element may be designed as a hollow body, in which a further limiting element or the support element is guided in the manner of a Zyhnderkolbens to mechanically generate the required pressure in the reservoir in this way
  • the pressure which can be generated in the reservoir is typically between 1 bar and 200 bar, preferably between 2 bar and 7 bar. In cooperation with the elastic element, this enables an optimal clamping effect
  • the tensioning device has a heating device with which the temperature of the medium can be increased.
  • the temperature increase by means of the heating device can take place either within the reservoir or even before the medium enters the reservoir
  • the jointing process can be further supported.
  • the warming of the flexible element caused by the warm medium further increases its flexibility. This increases the adaptability of the flexible element to the contour of the joint partners, whereby the homogeneity of the force on the joint partners increased again and the risk of caused by the clamping process mechanical tension or additional gap formation between the joint partners is further reduced
  • the Fugepartner in particular the upper Fugepartner, are heated indirectly, namely by the warm medium (and by the thus heated flexible element) This also facilitates the contact pressure and the melting of the Fugepartner
  • the temperature of the medium during the clamping process is selected so that the rigidity is markedly reduced by the resulting heating of the upper joint partner.
  • the temperature of the medium during the clamping process is, of course, below the melting temperature of the flexible element.
  • the temperature of the preheated medium is between 40 and 500 ° C.
  • the joining partners to be clamped according to the invention are brought into contact with the flexible element in such a way that a force that can be generated in the reservoir can be exerted on at least one of the joining partners to be clamped via the flexible element.
  • the two joining partners are placed in the desired positioning to each other on a support element or fixed thereto.
  • the joining partners are thus brought into contact with the flexible element directly and directly during the clamping process, namely only their surface areas, which constitute an immediate interface of the chamber formed during the clamping process;
  • there is a direct direct contact especially or essentially only with one of the joining partners, in extreme cases, the direct contact can be made exclusively with one of the joining partners.
  • the joint partners are only partially braced.
  • the clamping device is designed such that even very large joining partners can be clamped during the duration of only one clamping operation.
  • the Spannvorrichung according to a preferred embodiment, two or more reservoirs.
  • Each reservoir is filled or filled with a gaseous or liquid medium, the medium may, but in the general case does not have to be the same in every reservoir.
  • the clamping device is designed so that in at least FPL case number 08F49691-ILT 12 16 12 2009
  • the problem underlying the invention is achieved by a method for laser beam joining of two joining partners, in which the joining partners are braced with each other before and / or during the application of laser radiation, in which the joining partner to be clamped with a flexible element in Contact be brought, and in which by a filled with a gaseous or liquid medium and at least partially producible by the flexible element reservoir pressure generated via the flexible element, a force on at least one of the joining partners to be clamped.
  • FIG. 1 Schematic representation of a first embodiment of the invention
  • FIG. 2 Schematic representation of the embodiment of FIG. 1 when generating a pressure in the reservoir
  • FIG. 3 Schematic representation of a second embodiment of the invention
  • Fig. 4 Schematic representation of the embodiment of FIG. 3 when generating a pressure in the reservoir
  • Fig. 5 Schematic representation of a third embodiment of the invention FPL case number 08F49691 ILT 13 16 12 2009
  • a second joint partner 2 is arranged above a first joint partner 1, joint partner 1 rests on a support element 7 designed as a base plate.
  • the joint partner 1, 2 then becomes a flexible one Element 3 placed as a hollow body formed first limiting means 5 and, designed here as a glass plate, second limiting means 6 together form a "bell" which, the joint partner 1,
  • the flexible element 3 may be formed in particular as shown here as a film, which is fixed only during or by the placement of the bell formed by the limiting means 5, 6 on the Auflageneleme ⁇ t 7
  • 3 may also be permanently connected to one of the limiting means, eg, the hollow body 5, eg, as a membrane permanently connected to the hollow body, which on lowering the bell formed by the limiting means 5, 6 is lowered onto the joint partners 1, 2 becomes
  • the limiting means 5, 6 and the support element 7 form or enclose a chamber 9 together.
  • This comprises the reservoir 10 filled or filled with a gaseous or liquid medium, which is accessible from the flexible element 3 and through the Limiting means 5, 6 formed bell is limited and apart from a closable inlet opening 12 for the medium is tight
  • the chamber 9 further comprises a provided for receiving the Fugepart ⁇ er 1, 2 area 11 This area 11 is separated from the reservoir 10 by the flexible element 3
  • FIG. 2 shows the further course of the process for this first embodiment.
  • a pressure is generated in the reservoir 10. This happens in the present case, by the pressure p of the medium in the reservoir 10 by feeding the medium through the inlet opening 12, for in one of the limiting means, here
  • the reservoir 10 is expanded in the chamber 9, this is made possible by the FPL case number 08F49691-ILT 14 16 12 2009
  • the remaining boundary surfaces of the reservoir 10 are associated with the limiting means 5, 6, which are designed in such a way, in particular sufficiently rigid and suitably fixed that they remain motionless despite the increased pressure in the reservoir 10.
  • a defined force F are introduced via the hollow body 5, which is sufficiently large that the bell formed by the limiting means 5, 6 is not repelled by the base plate 7 and the circumferential seal 4 is sufficiently compressed to to withstand the pressure prevailing in the bell.
  • the entire chamber 9 withstands the pressure generated, ie forms a rigid, not displaced by the increased pressure or not displaceable outer boundary for the reservoir 10.
  • the reservoir 10 expands due to the pressure generated at most as far as it Allow chamber 9 and the joining partners 1, 2 therein.
  • the expansion of the reservoir thus ultimately leads to the flexible element 3, or at least a portion of the flexible element 3, fitting snugly against the joining partners 1, 2.
  • the pressure in the reservoir 10 causes a flexible element 3 in the direction of the joining partners 1, 2 driving, symbolized in the figure by arrows force, ie the flexible element 3 is pressed against the joining partners 1, 2.
  • the flexible element 3, here a film of silicone, is designed in this case, in particular so elastic that it adapts to the given contour at a suitably selected pressure.
  • the flexible element 3 thus exerts a homogeneous force to be set via the pressure on the joining partners 1, 2, immediately above all on the upper joining partner 2.
  • This upper joining partner 2 is pressed against the lower joining partner in this manner. Due to the spatially homogeneous distribution of this force, which is exactly adjustable by the pressure control in the reservoir 10, an optimal clamping effect can be achieved without causing undesirable mechanical tension.
  • the tensioning device shown in FIGS. 1 and 2 is suitable and preferably serves as part of a device for laser beam joining.
  • a not shown in the figures laser beam of a laser beam source by means of an optical access, which is here realized by the glass plate 6, coupled into the chamber 9 and on the means of the clamping device - as shown in Fig. 2 - mutually braced joint partner 1, 2 directed.
  • the joining partner 2 is a workpiece that is transparent or at least substantially transparent to the wavelength of the laser beam, so that the laser beam penetrates the latter and subsequently strikes the joining partner 1. This is absorbing for the wavelength of the laser beam or at least in regions, e.g.
  • the flexible element 3 is also transparent or at least substantially transparent to the wavelength of the laser radiation used, as well as the medium used in the reservoir 10.
  • any area of the interface between the two joining partners 1, 2 and formed by them with the laser beam can be achieved without difficulty.
  • the laser radiation could be coupled in by the support element 7 instead of by a limiting means 6.
  • the absorption or transmission property would be reversed exactly, so that about the resting on the support member 7 or fixed thereto "lower" joint partner 1 in this case, the transparent joining partner and joining partner 2 of the absorbent joining partners would be.
  • particular transmissive properties of flexible element 3 and medium would obviously not be required.
  • 3 and 4 show the procedure for a second embodiment of the inventive device
  • the difference from the first embodiment consists in the design and fixation of the flexible element 3
  • This is here permanently connected to one of the limiting means, in this case the hollow body 5 and thus will not necessarily fixed only when or by the placement of the bell formed by the limiting means 5, 6 on the support member 7
  • the fixation consists of a compound of the flexible element 3 with a limiting means 5 along a closed path on the inside of the limiting means 5, while an inlet opening 12 for the medium enclosing the flexible element 3 forms in particular a bag-like structure or a structure which as Can be called fluid cushion, and which can be pressurized from outside of the limiting means 5 by emmission of the medium with pressure
  • the reservoir 10 consists of the volume enclosed by the flexible element 3, otherwise it is limited (apart from the closable inlet opening) exclusively by the flexible element 3. With sufficient pressurization, the sack-like structure or fluid cushion formed by the flexible element 3 will lie fully peripherally the inside of the formed chamber 9 and the joint partners 1, 2 at
  • FIG. 5 A further exemplary embodiment according to the invention is shown in FIG. 5. Like the example shown in FIGS. 3 and 4, it has a flexible element 3 in the form of a bag-like structure or a fluid cushion. According to this further example, the reservoir 10 surrounded by this flexible element 3 is provided with a reservoir The reservoir 10 thus in particular requires no inlet opening and, in particular, due to the surrounding flexible element 3, can be formed completely dense for the medium filled in the production of the reservoir 10 flexible element 3 surrounded reservoir 10 may, but need not be fixed to one of the limiting means 5, 6
  • the pressure is not generated by an increase in the amount of the medium in the reservoir 10.
  • a means is provided with which the volume of the chamber 9 can be reduced, for example, as shown in Figure 5, the support member 7 relative Sufficient reduction of the chamber 9 leads to a mechanical pressure on the reservoir 10 surrounded by the flexible element 3. Similar to the exemplary embodiment of FIGS.
  • Fugue partner 2 is essentially due only to the homogeneous pressure in the reservoir 10
  • Figure 6 shows an embodiment of the invention, which is particularly suitable for very extensive joint partners 1, 2 or for an application in which the bracing is to take place with a special pressure distribution
  • the tensioning device has a plurality of reservoirs 10, 10 ', 10 ".
  • the limiting means 5, 6 are designed so that when placing these limiting means 5, 6 on the support element 7 or the joint partners 1, 2 several separate chambers 9, 9 ', 9 "are formed
  • the flexible elements 3, 3', 3" may be different from each other have the various embodiments already described
  • the example shown in Figure 6 illustrates this, by an elastic element 3 "is performed as in the embodiment shown in Figures 1 and 2 as a film, another elastic element 3 as in the in Fig 3 and 4 illustrated embodiment as externally fillable with a medium fluid cushion and finally a third elastic element 3 'according to the embodiment shown in Figure 5 as gefulltes fluid pad, which is not further filled from the outside or is fillable
  • reservoirs 10, 10 ', 10 "or chambers 9, 9', 9" shown can also be provided; in particular, they can also be arranged in a planar structure and not merely in series, as shown here.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un dispositif de serrage destiné à serrer deux éléments à assembler (1, 2), comprenant un réservoir (10) rempli ou pouvant être rempli d'un milieu gazeux ou liquide, qui est délimité sur au moins une partie de sa circonférence par un élément flexible (3). Les éléments à associer (1, 2) peuvent être amenés au contact de l'élément flexible (3) de manière qu'une pression pouvant être produite dans le réservoir (10) exerce par l'intermédiaire de l'élément flexible (3) une force sur au moins l'un des éléments à assembler (1, 2). L'invention concerne en outre un procédé mis en oeuvre à l'aide de ce dispositif de serrage pour assembler à l'aide d'un faisceau laser deux éléments à assembler (1, 2).
PCT/EP2009/009156 2008-12-19 2009-12-18 Dispositif et procédé d'assemblage par faisceau laser Ceased WO2010069599A1 (fr)

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DE102008063975A DE102008063975A1 (de) 2008-12-19 2008-12-19 Vorrichtung und Verfahren für das Laserstrahlfügen

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WO2016120271A1 (fr) * 2015-01-28 2016-08-04 Reis Gmbh & Co. Kg Maschinenfabrik Procédé et dispositif d'assemblage de composants par soudage laser
WO2019076639A1 (fr) * 2017-10-18 2019-04-25 Volkswagen Aktiengesellschaft Procédé de fabrication d'un volant de véhicule, muni d'un habillage

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DE102011051636A1 (de) * 2011-07-07 2013-01-10 Jenoptik Automatisierungstechnik Gmbh Vorrichtung zum Fügen von Werkstücken
DE102013217647A1 (de) * 2013-09-04 2015-03-05 Lpkf Laser & Electronics Ag Strahlgestützte Fügemaschine, insbesondere Laser-Durchstrahl-Schweißeinrichtung
CN104309113A (zh) * 2014-09-25 2015-01-28 江苏大学 一种液压式激光透射连接夹紧装置
DE102019120990A1 (de) * 2019-08-02 2021-02-04 Auto-Kabel Management Gmbh Hilfswerkzeuge zum Fixieren eines Bauteils zum stoffschlüssigen Fügen, deren Verwendung und Verfahren zum Fixieren eines Bauteils zum stoffschlüssigen Fügen
DE102022203529A1 (de) 2022-04-07 2023-10-12 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Verbinden einer Folie mit einem Träger

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WO2019076639A1 (fr) * 2017-10-18 2019-04-25 Volkswagen Aktiengesellschaft Procédé de fabrication d'un volant de véhicule, muni d'un habillage

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