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WO2011074072A1 - Procede de soudage de resine - Google Patents

Procede de soudage de resine Download PDF

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Publication number
WO2011074072A1
WO2011074072A1 PCT/JP2009/070902 JP2009070902W WO2011074072A1 WO 2011074072 A1 WO2011074072 A1 WO 2011074072A1 JP 2009070902 W JP2009070902 W JP 2009070902W WO 2011074072 A1 WO2011074072 A1 WO 2011074072A1
Authority
WO
WIPO (PCT)
Prior art keywords
resin
resin member
laser light
region
welding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2009/070902
Other languages
English (en)
Japanese (ja)
Inventor
丈典 大宮
松本　聡
良雄 磯部
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.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics KK
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 Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Priority to PCT/JP2009/070902 priority Critical patent/WO2011074072A1/fr
Publication of WO2011074072A1 publication Critical patent/WO2011074072A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/035—Aligning the laser beam
    • B23K26/037—Aligning the laser beam by pressing on the workpiece, e.g. pressing roller foot
    • 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
    • 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
    • B29C65/1632—Laser beams characterised by the way of heating the interface direct heating the surfaces to be joined
    • 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
    • B29C65/14—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
    • B29C65/1638—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 focusing the laser beam on the interface
    • 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
    • B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
    • 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
    • B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
    • B29C65/1658—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined scanning once, e.g. contour laser 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
    • B29C66/003—Protecting areas of the parts to be joined from overheating
    • 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
    • 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
    • B29C66/01—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
    • B29C66/114—Single butt 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
    • B29C66/01—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
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt 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
    • B29C66/01—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
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/345—Progressively making the joint, e.g. starting from the middle
    • B29C66/3452—Making complete joints by combining partial 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/434—Joining substantially flat articles for forming corner connections, fork connections or cross connections
    • B29C66/4342—Joining substantially flat articles for forming corner connections, e.g. for making V-shaped pieces
    • B29C66/43421—Joining substantially flat articles for forming corner connections, e.g. for making V-shaped pieces with a right angle, e.g. for making L-shaped pieces
    • 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
    • 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
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
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    • 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
    • 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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • 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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • 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
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • 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
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/959—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables
    • B29C66/9592—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables in explicit relation to another variable, e.g. X-Y diagrams

Definitions

  • the present invention relates to a resin welding method for manufacturing a resin welded body by welding resin members together.
  • the light absorption amount of the laser beam is the largest on the laser beam incident surface of the resin member, and the distance from the laser beam incident surface is small. As it increases (that is, as it goes into the resin member), the amount of absorbed laser light gradually decreases. For this reason, when the side surfaces (surfaces substantially parallel to the thickness direction) of the plate-like resin member that absorbs laser light are to be brought into contact with each other and welded, the laser light incident surface and the interior in the vicinity thereof are used. Damage (bubbles, cloudiness, burnout, etc.) due to excessive heat input may occur at the center of the irradiation region of the laser light in the region.
  • Patent Document 1 describes a method of irradiating a laser beam while supplying a coolant to a laser beam incident surface of a resin member.
  • an object of the present invention is to provide a resin welding method capable of reliably preventing the occurrence of damage due to excessive heat input in the planned welding region.
  • a resin welding method is a resin welding method for manufacturing a resin welded body by welding a first resin member and a second resin member, the first resin Irradiate a laser beam having a cross-sectional shape perpendicular to the optical axis at least at the laser beam incident side end of the region to be welded so as to converge in the region to be welded between the member and the second resin member, The irradiation position of the laser beam is relatively moved along the planned welding region, and the first resin member and the second resin member are melted in the planned welding region.
  • the cross-sectional shape of the laser beam perpendicular to the optical axis is a ring shape at the laser light incident side end of the region to be welded, the laser light incident side end of the region to be welded and the vicinity thereof It is possible to prevent damage due to excessive heat input at the center of the irradiation region of the laser beam.
  • the laser light is converged in the planned welding region, the light density attenuated by the light absorption is compensated, and the entire region of the planned welding region from the laser light incident side end to the laser light emission side end is compensated.
  • the first resin member and the second resin member can be melted.
  • the laser beam is at least on the laser beam incident side of the welding planned area. It is preferable to irradiate the laser beam so as to straddle the first resin member and the second resin member at the end. There are many steps or gaps on the laser light incident side at the abutting part between the resin members, and these steps or gaps cause damage due to excessive heat input by scattering the laser light. Although it is easy, in this resin welding method, the ring-shaped laser beam straddles the first resin member and the second resin member at the laser beam incident side end of the planned welding region. The amount of light irradiation is reduced, and as a result, it is possible to suppress the occurrence of damage due to excessive heat input caused by steps or gaps.
  • the abutting portion when a plurality of layers to be welded are set along the abutting portion, it is preferable to irradiate the laser light in order from the welding planned region located on the laser beam emission side. In this case, the progress of the laser light is not hindered by the portion previously welded along the planned welding region on the laser light incident side, and the first resin member and the second resin member along each planned welding region. The resin member can be reliably melted.
  • a heat conductor that transmits laser light is disposed on the laser light incident side with respect to the first resin member and the second resin member, and the heat conductor is used as a heat sink to transmit laser light. Irradiation is preferably performed.
  • the heat conductor which is a heat sink, takes heat away from the laser beam incident side end of the resin member, so that excessive heat input is applied to the laser beam incident side end of the region to be welded and the center of the laser beam irradiation region in the vicinity thereof. It is possible to more reliably prevent the occurrence of damage due to.
  • FIG. 1 is a configuration diagram of a condensing optical system used in an embodiment of a resin welding method according to the present invention.
  • the condensing optical system 1 includes a collimating lens 2, a condensing lens 3, and a conical concave axicon lens 4 arranged on the optical axis OA in order from the light source LS side of the laser light L.
  • the condensing optical system 1 has been configured.
  • the cross-sectional shape of the laser light L perpendicular to the optical axis OA becomes an annular shape on the light source LS side with respect to the condensing spot FS, and the condensing spot FS.
  • a solid circular shape is formed on the other side of the light source LS.
  • FIG. 2 is a graph showing a light intensity profile of the laser light that has passed through the condensing optical system of FIG. 1 before reaching the condensing spot.
  • the light intensity profile of the laser light L has a light intensity profile at the center portion that is opposite to the light intensity profile of the laser light with the Gaussian distribution or the top hat distribution before reaching the condensing spot FS. It is lower than the light intensity of the part. 2 is a case where the light intensity of the laser light L is integrated in a direction orthogonal to the optical axis OA and the traveling direction of the laser light L.
  • FIGS. 3 and 4 A resin welding method using the condensing optical system 1 configured as described above will be described.
  • a 2 mm thick plate-like resin member (first resin member) 5 and resin member (second resin member) 6 made of glass fiber-containing nylon resin are prepared.
  • the side surface (surface substantially parallel to the thickness direction) 5a of the resin member 5 and the side surface (surface substantially parallel to the thickness direction) 6a of the resin member 6 are abutted.
  • the resin members 5 and 6 are sandwiched between the pressing plate (thermal conductor) 7 made of glass and the contact plate 8 made of a metal such as Al from both sides in the thickness direction of the resin members 5 and 6.
  • the welding planned region R is set along the abutting portion (here, the side surfaces 5a and 6a) between the members 5 and 6.
  • the resin members 5 and 6 are semi-absorbing with respect to the laser light L (absorbance 0.13). Further, the presser plate 7 is transmissive to the laser light L.
  • the extending direction of the optical axis OA substantially coincides with the thickness direction of the resin members 5 and 6, and the optical axis OA passes through the butted portion between the resin members 5 and 6.
  • the laser beam L is irradiated with the focused spot FS aligned with the interface between the resin members 5 and 6 and the contact plate 8.
  • the irradiation position of the laser light L is in a direction substantially perpendicular to the optical axis OA along the planned welding region R (arrow A in FIG. 3).
  • the resin members 5 and 6 are melted and re-solidified in the planned welding region R, and the resin members 5 and 6 are welded together to produce a resin welded body.
  • the laser beam L when the laser beam L is irradiated, the laser beam L converges in the planned welding region R.
  • the cross-sectional shape of the laser beam L perpendicular to the optical axis OA is an annular shape in the planned welding region R, and the laser beam L straddles the resin member 5 and the resin member 6 in the planned welding region R. (In other words, it is stretched between the resin member 5 and the resin member 6).
  • the laser beam L has an energy density capable of melting the resin members 5 and 6 in the welding planned region R having substantially the same height as the thickness of the resin members 5 and 6.
  • the cross-sectional shape of the laser beam L perpendicular to the optical axis OA is the laser beam in the planned welding region R. Since the incident side end R1 has an annular shape, damage (bubbles, white turbidity, burnout, etc.) due to excessive heat input to the laser light incident side end R1 of the planned welding region R and the center of the irradiation region of the laser light L in the vicinity thereof ) Can be prevented.
  • the laser light L is converged in the planned welding region R, the light density of the laser light attenuated by light absorption is supplemented, and welding from the laser light incident side end R1 to the laser light emission side end R2 is performed.
  • the resin members 5 and 6 can be melted in the entire region of the planned region R.
  • the energy density at the laser light incident side end R1 of the planned welding region R and in the vicinity thereof can be lowered to such an extent that damage due to excessive heat input does not occur.
  • FIG. 6 is an enlarged cross-sectional view of a butt portion between resin members. As shown in FIG. 6, due to the molding accuracy of the resin members 5 and 6 being not so high, a step or a gap or the like is generated on the laser light incident side at the butt portion between the resin members 5 and 6.
  • the resin welding method for irradiating the laser beam L so that the laser beam L straddles the resin member 5 and the resin member 6 at the laser beam incident side end R1 of the planned welding region R is the resin members 5 and 6 are bonded together. This is particularly effective when the welding planned region R is set along the butted portion.
  • the presser plate 7 disposed on the laser beam incident side with respect to the resin members 5 and 6 functions as a heat sink, and heat is applied from the end portions of the resin members 5 and 6 on the laser beam incident side. Robbed. Therefore, the occurrence of damage due to excessive heat input is more reliably prevented at the laser light incident side end R1 of the planned welding region R and the central portion of the irradiation region of the laser light L in the vicinity thereof.
  • the present invention is not limited to the embodiment described above.
  • the thickness of the resin members 5, 6 is greater than the height of the region to be welded R (in other words, the energy density range in which the laser light L can melt the resin members 5, 6).
  • a plurality of layers to be welded R may be set along the abutting portions (here, the side surfaces 5a and 6a) between the resin members 5 and 6.
  • the progress of the laser beam L is not hindered by the previously welded portion along the planned welding region R on the laser beam incident side, and the resin members 5 and 6 are reliably melted along each planned welding region R. It is because it can be made.
  • the surface of the plate-like resin member 5 (surface substantially perpendicular to the thickness direction) 5 b and the side surface 6 a of the plate-like resin member 6 are substantially aligned.
  • the side surface 5a of the member 5 and the surface (surface substantially perpendicular to the thickness direction) 6b of the resin member 6 may be abutted, and the planned welding region R may be set along the abutting portion.
  • the extending direction of the optical axis OA substantially coincides with the thickness direction of the resin member 5, and the optical axis OA passes through the butted portion between the resin members 5 and 6.
  • the resin member 5 and 6 are welded to each other by melting the resin members 5 and 6 in the planned welding region R by irradiating the laser beam L with the focused spot FS at the interface between the resin plate 5 and the contact plate 8. A welded body is produced.
  • the resin members 5 and 6 are overlapped so that the surface 5b of the plate-like resin member 5 and the surface 6b of the plate-like resin member 6 are in contact with each other, and the overlap portion
  • the welding planned region R may be set along
  • the molding accuracy of the resin members 5 and 6 is not so high, there may be a gap between the surface 5b of the resin member 5 and the surface 6b of the resin member 6 due to warpage or the like.
  • the resin members 5 and 6 melt in the planned welding region R straddling the resin member 5 and the resin member 6, and the melted resin fills the gap, so that the resin members 5 and 6 are reliably connected to each other. Can be welded.
  • the cross-sectional shape of the laser beam L perpendicular to the optical axis OA is at least a ring shape at the laser beam incident side end R1 of the planned welding region R, the laser beam incident side end R1 of the planned welding region R and It is possible to prevent damage due to excessive heat input at the center of the irradiation region of the laser light L in the vicinity thereof. Furthermore, if the laser beam L straddles the resin member 5 and the resin member 6 at least at the laser beam incident side end R1 of the welding planned region R, heat input caused by a step or a gap between the resin members 5 and 6 or the like. The occurrence of damage due to excess can be suppressed.
  • the laser beam incident side end R1 of the planned welding region R is the surface of the resin members 5 and 6 serving as an interface with the holding plate 7 in the examples of FIGS. 5, 7, and 8, and the resin member 5 in the example of FIG. This is the laser light incident side surface.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Plasma & Fusion (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laser Beam Processing (AREA)

Abstract

Selon l'invention, une région (R) à souder est consécutivement irradiée avec la lumière laser (L); elle présente une forme transversale perpendiculaire à l'axe optique (OA), la forme transversale étant annulaire à l'extrémité latérale incidente de la lumière laser (R1) de la région (R) à souder. De ce fait, à cette extrémité latérale incidente de la lumière laser (R1) de la région (R) à souder, et à proximité de ladite extrémité (R1), on peut empêcher le centre d'une région irradiée avec la lumière laser (L) de souffrir de dégâts causés par surchauffe (bulles, turbidité, brûlure, etc.). En outre, étant donné que la lumière laser (L) est convergente dans la région (R) à souder, la densité optique de la lumière laser, qui s'atténue du fait de l'absorption de la lumière, est compensée et les éléments résineux (5, 6) peuvent donc être fondus sur toute la région (R) à souder, qui s'étend de l'extrémité latérale incidente de la lumière laser (R1) à l'extrémité latérale d'émission de lumière laser (R2).
PCT/JP2009/070902 2009-12-15 2009-12-15 Procede de soudage de resine Ceased WO2011074072A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/070902 WO2011074072A1 (fr) 2009-12-15 2009-12-15 Procede de soudage de resine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/070902 WO2011074072A1 (fr) 2009-12-15 2009-12-15 Procede de soudage de resine

Publications (1)

Publication Number Publication Date
WO2011074072A1 true WO2011074072A1 (fr) 2011-06-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013026816A1 (fr) * 2011-08-25 2013-02-28 Lpkf Laser & Electronics Ag Procédé et dispositif pour le soudage au laser de deux parties en matière plastique à assembler
RU2677549C2 (ru) * 2016-07-25 2019-01-17 Общество с ограниченной ответственностью "Научно-производственный центр магнитной гидродинамики" Способ переплавки металлических отходов и печь для его осуществления
US10731923B2 (en) 2015-04-23 2020-08-04 Digimet 2013 Sl Furnace for melting and treating metal and metallic waste and method therefor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003164985A (ja) * 2001-11-26 2003-06-10 Denso Corp レーザー光による材料の同時一括溶融方法及び装置
JP2005119050A (ja) * 2003-10-14 2005-05-12 Denso Corp 樹脂成形品およびその製造方法
JP2010000622A (ja) * 2008-06-18 2010-01-07 Hamamatsu Photonics Kk 樹脂溶着方法
JP2010000617A (ja) * 2008-06-18 2010-01-07 Hamamatsu Photonics Kk 樹脂溶着方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003164985A (ja) * 2001-11-26 2003-06-10 Denso Corp レーザー光による材料の同時一括溶融方法及び装置
JP2005119050A (ja) * 2003-10-14 2005-05-12 Denso Corp 樹脂成形品およびその製造方法
JP2010000622A (ja) * 2008-06-18 2010-01-07 Hamamatsu Photonics Kk 樹脂溶着方法
JP2010000617A (ja) * 2008-06-18 2010-01-07 Hamamatsu Photonics Kk 樹脂溶着方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013026816A1 (fr) * 2011-08-25 2013-02-28 Lpkf Laser & Electronics Ag Procédé et dispositif pour le soudage au laser de deux parties en matière plastique à assembler
US10731923B2 (en) 2015-04-23 2020-08-04 Digimet 2013 Sl Furnace for melting and treating metal and metallic waste and method therefor
RU2677549C2 (ru) * 2016-07-25 2019-01-17 Общество с ограниченной ответственностью "Научно-производственный центр магнитной гидродинамики" Способ переплавки металлических отходов и печь для его осуществления

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