JP5547883B2 - Method of welding resin material - Google Patents
Method of welding resin material Download PDFInfo
- Publication number
- JP5547883B2 JP5547883B2 JP2008246904A JP2008246904A JP5547883B2 JP 5547883 B2 JP5547883 B2 JP 5547883B2 JP 2008246904 A JP2008246904 A JP 2008246904A JP 2008246904 A JP2008246904 A JP 2008246904A JP 5547883 B2 JP5547883 B2 JP 5547883B2
- Authority
- JP
- Japan
- Prior art keywords
- resin material
- welding
- laser beam
- fitting
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
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
- B29C66/50—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
- B29C66/542—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 joining hollow covers or hollow bottoms to open ends of container bodies
-
- 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
- B29C65/1654—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
- 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
- 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
- B29C66/05—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
- B29C66/118—Single monotone curved joints
- B29C66/1182—Single monotone curved joints the joint being C-shaped
-
- 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
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1226—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least one bevelled joint-segment
- B29C66/12261—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least one bevelled joint-segment the two joint-segments being bevelled, e.g. the two joint-segments forming a V
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
- B29C66/2424—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain
- B29C66/24243—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral
- B29C66/24244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral forming a rectangle
-
- 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
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
- B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
-
- 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
- B29C66/65—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 with a relative motion between the article and the welding tool
- B29C66/652—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 with a relative motion between the article and the welding tool moving the welding tool around the fixed 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
- B29C66/83—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
- B29C66/70—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
- B29C66/71—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 composition of the plastics material of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2059/00—Use of polyacetals, e.g. POM, i.e. polyoxymethylene or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/006—PBT, i.e. polybutylene terephthalate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
本発明は、複数の樹脂材を組み立てる際に用いられる樹脂材の溶着方法に関するものである。 The present invention relates to a resin material welding method used when assembling a plurality of resin materials.
従来より、複数の樹脂材を組み立てるにあたって、レーザ光を用いた溶着方法が採用されている(例えば、特許文献1参照)。図5(a)に二つの樹脂材1、2をレーザ光により溶着する方法の一例を示す。この場合、一方の樹脂材1はレーザ光Lを比較的吸収しやすい高吸収率の樹脂材で形成されるものであって、他方の樹脂材2はレーザ光Lを比較的透過しやすい高透過率の樹脂材で形成されている。
Conventionally, in assembling a plurality of resin materials, a welding method using laser light has been employed (see, for example, Patent Document 1). FIG. 5A shows an example of a method of welding two
そして、まず、二つの樹脂材1、2を重ね合わせて配置する。次に、図5(b)に示すように、樹脂材1、2の接合面にレーザー照射装置LMからレーザ光Lを照射する。このレーザ光Lは高透過率の樹脂材2を通過させて接合面に照射するようにする。これにより、接合面において高吸収率の樹脂材1がレーザ光Lを吸収して発熱し、この熱により接合面で樹脂材1、2を溶融させ、この後、図5(c)に示すように、溶融した樹脂を硬化又は固化することにより溶着部10を形成して樹脂材1、2を溶着することができる。また、二つの樹脂材1、2を重ね合わせた状態で押さえ治具などにより樹脂材1、2を加圧することにより、接合面を圧着しながら溶着することができる。
しかし、上記の従来例では、レーザ光による溶着の際に、樹脂の溶着部より煤が発生し、レーザ光を集光するレンズが汚れたり、各樹脂材1、2の厚みなどの成型精度等の成型状態により、レーザ光の透過率や吸収率が変化したりした場合に、接合面でのレーザ光の焦点がずれるなどのレーザ光の照射条件が部分的に不充分になることがあり、溶着性が不安定となるおそれがあった。
However, in the above conventional example, at the time of welding with the laser beam, wrinkles are generated from the welded portion of the resin, the lens for condensing the laser beam is soiled, the molding accuracy such as the thickness of each
本発明は上記の点に鑑みてなされたものであり、安定したレーザ光による溶着を行うことができる樹脂材の溶着方法を提供することを目的とするものである。 The present invention has been made in view of the above points, and an object of the present invention is to provide a resin material welding method capable of performing stable welding with laser light.
本発明の請求項1に係る樹脂材の溶着方法は、一方の樹脂材と他方の樹脂材とのレーザ光による溶着方法であり、前記一方の樹脂材と前記他方の樹脂材との接合面全体は、前記一方の樹脂材に形成された円弧状のテーパー面を有する嵌合凸部と、前記他方の樹脂材に形成された円弧状のテーパー面を有する嵌合凹部の、それぞれのテーパー面どうしの接合面で構成され、前記接合面へのレーザ光の入射方向において、前記接合面とレーザ照射装置との距離は、前記接合面全域で連続的に変化する構成であり、前記嵌合凸部と前記嵌合凹部のテーパー面同士を接合した後、そのテーパー面にレーザ光を照射することにより前記樹脂材を溶融して複数の樹脂材を前記テーパー面で溶着することを特徴とするものである。
Welding method of the resin material according to
請求項1の発明では、テーパー面を接合してその接合面にレーザ光を照射して溶着するので、レーザ光を集光するレンズの汚れや樹脂材の成型状態によりレーザ光の透過率や吸収率が変化しても、接合面へのレーザ光の入射方向において、接合面全体でレーザー照射装置からの距離が連続的に異なるため、接合面のいずれかの部分でレーザ光の照射条件が満たされる可能性が高くなって溶着部を形成するためのポイントを確保することができ、不充分な溶着部分が少なくなって、安定したレーザ光による溶着を行うことができるものである。 According to the first aspect of the present invention, since the tapered surfaces are joined and the joining surfaces are irradiated with laser light and welded, the transmittance and absorption of the laser light depend on the dirt of the lens for condensing the laser light and the molding state of the resin material. Even if the rate changes, the distance from the laser irradiation device continuously varies across the entire bonding surface in the laser beam incident direction on the bonding surface, so that the laser beam irradiation conditions are satisfied at any part of the bonding surface. It is possible to secure a point for forming a welded portion with a high possibility of being welded, and an insufficient welded portion is reduced, so that stable welding with laser light can be performed.
請求項1の発明では、嵌合凸部と嵌合凹部との嵌合によりテーパー面の位置決めを容易に行うことができ、樹脂材の溶着が行いやすくなるものである。
In the invention of
請求項1の発明では、一定角度の傾斜を有するテーパー面であると成形用型の継ぎ目部分で成型時にバリが発生しやすくなるが、滑らかな傾斜面である円弧状とすることで成形用型の継ぎ目がなくなって成型時のバリ発生を防止することができるものである。 According to the first aspect of the present invention, if the taper surface has an inclination of a certain angle, burrs are likely to occur at the joint portion of the molding die during molding. This prevents the occurrence of burrs during molding.
以下、本発明を実施するための最良の形態を説明する。 Hereinafter, the best mode for carrying out the present invention will be described.
図1に、二つの樹脂材1、2を溶着する方法について例示する。
FIG. 1 illustrates a method for welding two
一方の樹脂材1は他方の樹脂材2よりも比較的レーザ光Lの透過率が低くて吸収率が高いものを用いることができ、これにより、溶着時に樹脂材1がレーザ光Lを十分に吸収して発熱することができるものである。このような樹脂材1は、例えば、ポリブチレンテレフタレート(PBT)、ポリエチレンテレフタレート(PET)、ポリオキシメチレン(POM)、ポリプロピレン(PP)、ポリスチレン(PS)、ポリカーボネート(PC)、ポリメタクリル酸メチル(PMMA)などの樹脂材料の成型品を用いることができる。
One
もう一方の樹脂材2は他方の樹脂材1よりも比較的レーザ光Lの吸収率が低くて透過率が高いものを用いることができ、レーザ光Lの透過率が30〜70%程度であることが好ましい。これにより、溶着時に樹脂材2がレーザ光Lを十分に透過して接合面に到達することができることができるものである。このような樹脂材2は上記と同様の樹脂材料の成型品を用いることができる。
As the
本発明では、樹脂材1、2の溶着する面がテーパー面(傾斜面)3、4として形成されている。図1(a)では、樹脂材1、2を上下に配置して溶着するものであるため、下側の樹脂材1の上面がテーパー面3として形成されており、上側の樹脂材2の下面がテーパー面4として形成されている。テーパー面3とテーパー面4は同じ傾斜角を有し、レーザ光Lの入射方向に対して0°よりも大きくて90°よりも小さい傾斜角にするのが好ましく、より好ましくは30〜60°である。また、テーパー面3とテーパー面4は同じ方向に向いて傾斜してればよい。尚、図1(a)のものでは樹脂材1、2は四角枠状に形成されているが、これに限定されるものではなく、各種の形状を採用することができる。
In the present invention, the surfaces on which the
そして、樹脂材1、2を溶着するにあたっては、次のようにして行う。まず、一方の樹脂材1の上に他方の樹脂材2を載置する。このとき、レーザ光Lの透過率の高い樹脂材2をレーザ光Lの吸収率の高い樹脂材1の上に重ね合わせて、テーパー面3とテーパー面4とを接合する。この場合、図1(b)に示すように、テーパー面3とテーパー面4とはほとんど隙間なく密着するか、隙間があいていても略平行に対向するものである。
Then, the
次に、テーパー面3とテーパー面4の接合面にレーザ光Lを照射する。このとき、レーザ光Lは、レーザ光Lの透過率の高い樹脂材2を通過させてテーパー面3とテーパー面4の接合面に照射するようにする。また、レーザ光Lは溶着が必要な部分の総てに照射されるように、レーザ光Lを樹脂材1、2に対して走査するようにする。そして、このようにしてテーパー面3とテーパー面4の接合面にレーザ光Lを照射すると、レーザ光Lの吸収率の高い樹脂材2がレーザ光Lを吸収して発熱し、この発熱により、樹脂材1と樹脂材2の一方又は両方が溶融する。この後、樹脂の溶融部分を発熱により硬化したりあるいは降温により固化したりすることにより、図1(c)に示すように、溶着部10を形成する。そして、この溶着部10により樹脂材1と樹脂材2とを溶着することができるものである。溶着時のレーザの種類、使用周波数の範囲、強さの範囲などは、樹脂材1、2の種類や厚み等によって適宜設定可能であるが、レーザーパワーは約10〜30Wにすることができる。
Next, the laser beam L is irradiated to the joint surface between the
本発明では、テーパー面3、4を接合し、この接合面にレーザ光Lを照射して溶着するので、図2(a)に示すように、テーパー面3、4のレーザ光Lの照射される範囲(レーザ光径LDの範囲)のA点とB点とではレーザ照射装置LMからの距離が異なるため、レーザ光Lの焦点がずれるなどの照射条件がばらついても、A点とB点の間のいずれかの部分でレーザ光Lの照射条件が最適になって溶着できる可能性がある。すなわち、レーザ照射装置LMの光学系を介してレーザ光Lを照射する場合、焦点調整なども行っているが、樹脂材1、2の成型精度やレーザ光Lを集光するレンズが汚れるなどの様々な要因でレーザ光Lの入射方向(深さ方向)に焦点距離がことなることになる。図2(b)の従来例では、レーザ光Lの照射される範囲(レーザ光径LDの範囲)のA’点とB’点とではレーザ照射装置LMからの距離が一定であるため、焦点がずれると、A’点とB’点の間で溶着されないことがあり、溶着が不安定になるおそれがある。
In the present invention, since the
図3(a)(b)に他の実施の形態の一例を示す。この溶着方法では、一方の樹脂材1に嵌合凸部5を設けると共に他方の樹脂材2に嵌合凹部6を設け、嵌合凸部5と嵌合凹部6とを嵌合した状態で溶着するものである。断面形状において嵌合凸部5は二つのテーパー面3、3により先端面(凸面)が形成されている。また、断面形状において嵌合凹部6は二つのテーパー面4、4により底面(凹面)が形成されている。嵌合凸部5と嵌合凹部6とを嵌合すると、テーパー面3とテーパー面4とが一つずつほとんど隙間なく密着するか、隙間があいていても略平行に対向するものである。図3(a)に示すように、透光率の高い樹脂材2の下面に嵌合凹部6を形成すると共に吸収率の高い樹脂材1の上面に嵌合凸部5を形成することができ、逆に、図3(b)に示すように、透光率の高い樹脂材2の下面に嵌合凸部5を形成すると共に吸収率の高い樹脂材1の上面に嵌合凹部6を形成することができる。テーパー面3、3の間の角度α及びテーパー面4、4の間の角度βは、α>βでα+β=360°となる範囲であれば、αとβを任意に設定することができるが、例えば、α=240〜300°、β=60〜120°とするのが好ましい。
An example of another embodiment is shown in FIGS. In this welding method, the
図4(a)(b)に他の実施の形態の一例を示す。この溶着方法では、一方の樹脂材2に嵌合凸部5を設けると共に他方の樹脂材1に嵌合凹部6を設け、嵌合凸部5と嵌合凹部6とを嵌合した状態で溶着するものであるが、断面形状において嵌合凸部5のテーパー面3である先端面が凸の円弧状面として形成されていると共に、嵌合凹部6のテーパー面4である底面が凹の円弧状面として形成されている。嵌合凸部5と嵌合凹部6とを嵌合すると、テーパー面3とテーパー面4とがほとんど隙間なく密着するか、隙間があいていても略平行に対向するものである。図4(a)に示すように、透光率の高い樹脂材2の下面に嵌合凹部6を形成すると共に吸収率の高い樹脂材1の上面に嵌合凸部5を形成することができ、逆に、図4(b)に示すように、透光率の高い樹脂材2の下面に嵌合凸部5を形成すると共に吸収率の高い樹脂材1の上面に嵌合凹部6を形成することができる。テーパー面3及テーパー面4の曲率半径Rは無限大(∞)未満、好ましくは、R200〜1000mmとすることができる。
FIGS. 4A and 4B show an example of another embodiment. In this welding method, one
本発明において、溶着時にテーパー面3、4を加圧して密着させるのが好ましく、これにより、テーパー面3、4を強固に溶着することができる。この場合、例えば、ワーク(樹脂材1、2を接合した物)の上にガラス板等の透明板を配し、ワークの下側と透明板の上側をプレス機等で挟み込むようにして加圧させることができる。また、テーパー面3、4での圧力を例えば200〜500kPaとすることができる。
In the present invention, it is preferable that the
1 樹脂材
2 樹脂材
3 テーパー面
4 テーパー面
5 嵌合凸部
6 嵌合凹部
DESCRIPTION OF
Claims (1)
前記一方の樹脂材と前記他方の樹脂材との接合面全体は、
前記一方の樹脂材に形成された円弧状のテーパー面を有する嵌合凸部と、前記他方の樹脂材に形成された円弧状のテーパー面を有する嵌合凹部の、それぞれのテーパー面どうしの接合面で構成され、
前記接合面へのレーザ光の入射方向において、前記接合面とレーザ照射装置との距離は、前記接合面全域で連続的に変化する構成であり、
前記嵌合凸部と前記嵌合凹部のテーパー面同士を接合した後、そのテーパー面にレーザ光を照射することにより前記樹脂材を溶融して複数の樹脂材を前記テーパー面で溶着することを特徴とする樹脂材の溶着方法。 A welding method according lasers light between one resin material and another resin material,
The entire joint surface between the one resin material and the other resin material is
Joining between the tapered surfaces of the fitting convex portion having an arcuate tapered surface formed on the one resin material and the fitting concave portion having the arcuate taper surface formed on the other resin material Composed of faces,
In the incident direction of the laser light to the bonding surface, the distance between the bonding surface and the laser irradiation device is a configuration that continuously changes over the entire bonding surface,
After joining the taper surfaces of the fitting convex part and the fitting concave part, the resin material is melted by irradiating the taper surface with laser light, and a plurality of resin materials are welded on the taper surface. A method of welding a resin material characterized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008246904A JP5547883B2 (en) | 2008-09-25 | 2008-09-25 | Method of welding resin material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008246904A JP5547883B2 (en) | 2008-09-25 | 2008-09-25 | Method of welding resin material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010076246A JP2010076246A (en) | 2010-04-08 |
| JP5547883B2 true JP5547883B2 (en) | 2014-07-16 |
Family
ID=42207257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008246904A Expired - Fee Related JP5547883B2 (en) | 2008-09-25 | 2008-09-25 | Method of welding resin material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5547883B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013101224A1 (en) * | 2013-02-07 | 2014-08-07 | Jenoptik Automatisierungstechnik Gmbh | Laser transmission welding apparatus, laser transmission welding method, and a film sealed container therewith |
| WO2020045555A1 (en) * | 2018-08-31 | 2020-03-05 | 日本電産株式会社 | Housing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4089441B2 (en) * | 2003-01-17 | 2008-05-28 | 松下電工株式会社 | Method of joining thermoplastic resin by laser |
| JP3918845B2 (en) * | 2004-10-13 | 2007-05-23 | トヨタ自動車株式会社 | Resin molded product and joining method thereof |
-
2008
- 2008-09-25 JP JP2008246904A patent/JP5547883B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010076246A (en) | 2010-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4311158B2 (en) | Resin molded product and manufacturing method thereof | |
| JP5941714B2 (en) | Manufacturing method of vehicular lamp | |
| JP2009226643A (en) | Bonding method and bonded body | |
| JP5030871B2 (en) | Resin welding method | |
| JP5364039B2 (en) | Manufacturing method of resin molded products | |
| JP2007523763A (en) | Joint design for laser welding of thermoplastics | |
| US20110203726A1 (en) | Method for manufacturing resin molding | |
| JP5030872B2 (en) | Resin welding method | |
| JP2019001150A (en) | Laser joining method and laser joining apparatus for welding workpieces | |
| JP5547883B2 (en) | Method of welding resin material | |
| JP5436937B2 (en) | Manufacturing method of resin molded products | |
| JP2005178351A (en) | Laser bonding method for resin structures | |
| JP5603664B2 (en) | Manufacturing method of resin molded products | |
| JP4981834B2 (en) | Laser welding method of resin material | |
| JP4439892B2 (en) | Laser welding method | |
| CN111479669B (en) | Method for welding synthetic resin member | |
| JP5116535B2 (en) | Laser welding method | |
| JP5553155B2 (en) | Vehicle lamp manufacturing method using laser welding | |
| JP5669910B2 (en) | Laser welding equipment for resin molded products | |
| JP2013196891A (en) | Manufacturing method of vehicular lamp | |
| JP6254420B2 (en) | Welding structure and welding apparatus | |
| JP2014069371A (en) | Welding structure | |
| JP4103843B2 (en) | Laser welding method of resin material | |
| JP2004063331A (en) | Vehicle lighting | |
| WO2011074072A1 (en) | Method of welding resin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20100716 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110304 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20120112 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20120816 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120821 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121022 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130528 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130729 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140422 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140516 |
|
| R151 | Written notification of patent or utility model registration |
Ref document number: 5547883 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
| LAPS | Cancellation because of no payment of annual fees |