JP5116535B2 - レーザー溶着方法 - Google Patents
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- JP5116535B2 JP5116535B2 JP2008094812A JP2008094812A JP5116535B2 JP 5116535 B2 JP5116535 B2 JP 5116535B2 JP 2008094812 A JP2008094812 A JP 2008094812A JP 2008094812 A JP2008094812 A JP 2008094812A JP 5116535 B2 JP5116535 B2 JP 5116535B2
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- 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
- B29C65/1687—Laser beams making use of light guides
- B29C65/169—Laser beams making use of light guides being a part of the joined 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
- 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
- B29C65/1687—Laser beams making use of light guides
- B29C65/169—Laser beams making use of light guides being a part of the joined article
- B29C65/1693—Laser beams making use of light guides being a part of the joined article in the form of a cavity
-
- 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
- B29C66/40—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
- B29C66/70—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
- B29C66/733—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 optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
- B29C66/7334—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 optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being glossy or matt, reflective or refractive
- B29C66/73343—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 optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being glossy or matt, reflective or refractive at least one of the parts to be joined being matt or refractive
-
- 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
- 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
- B29C65/1696—Laser beams making use of masks
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0031—Refractive
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Laser Beam Processing (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
n1sinθ1=n2sinθ2
となる。但し、n1<n2とする。
図3は空気からプラスチック(アクリル)にレーザー光が入射される場合の例である。 尚、図3において入射角:θ1、屈折角(出射角):θ2とすると、スネルの法則より n1×sinθ1=n2×sinθ2
となる。但し、n1<n2の場合。
そこで、図3において空気の屈折率:n1=1.0、アクリルの屈折率:n2=1.49、入射角:θ1=65〔°〕とすると、スネルの法則より1.0×sin65=1.49×sinθ2となる。そして斯かる式より最終的に屈折角(出射角)θ2≒37.5〔°〕となる。
図4において空気の屈折率:n1=1.0、ポリカーボネートの屈折率:n2=1.59、入射角:θ1=55〔°〕とすると、スネルの法則より1.0×sin55=1.59×sinθ2となる。そして斯かる式より最終的に屈折角(出射角)θ2≒31.0〔°〕となる。
本構成例における前記第1の基本構成例との相違点は、前記第1の基本構成例においては傾斜面6、6を非溶着部分の位置の空間Sの直上に位置させた断面三角形状の突起4Aによって形成しているのに対して、本構成例においては断面三角形状の凹部4Bによって形成している点にある。尚、その他の点においては前記第1の基本構成例と同様であるから、同一の部材には同一の符号を付して詳細な説明は省略する。
本構成例における前記第1の基本構成例との相違点は、前記第1の基本構成例においては傾斜面6、6を断面三角形状の突起4Aによって形成しているのに対して、本構成例においてはレーザー光に対して透過性のある熱可塑性樹脂材4の入射側の表面に段差4Cを設けることによって形成している点にある。そしてまた、本構成例における傾斜面6は平面としている。尚、その他の点においては前記第1の基本構成例と同様であるから、同一の部材には同一の符号を付して詳細な説明は省略する。
本構成例は、レーザー光に対して透過性のある熱可塑性樹脂材4の入射側の表面に、前記レーザー光2を入射させると共に入射したレーザー光2を所望の方向に屈折させる傾斜面6、6又は彎曲面(図示せず。)を形成し、前記レーザー光に対して透過性のある熱可塑性樹脂材4内に入射し、これを透過する前記レーザー光2を屈折及び反射させて溶着部分Mのみに向かわせるようになしたものである。また、本構成例においては、傾斜面6、6を、非溶着部分の位置の空間Sの直上に位置させた断面三角形状の突起4Aによって形成している。
本構成例は、傾斜面6、6を、非溶着部分の位置の空間Sの直上に位置させた断面三角形状の凹部4Bによって形成している点において前記図9の構成例と相違するものである。また、その他の点においては前記図9の構成例と同様であるから、同一の部材には同一の符号を付して詳細な説明は省略する。
本構成例も前記図9及び図10に示した構成例と同様に、レーザー光に対して透過性のある熱可塑性樹脂材4の入射側の表面に、前記レーザー光2を入射させると共に入射したレーザー光2を所望の方向に屈折させる傾斜面6、6又は彎曲面(図示せず。)を形成し、前記レーザー光に対して透過性のある熱可塑性樹脂材4内に入射し、これを透過する前記レーザー光2を屈折及び反射させて溶着部分Mのみに向かわせるようになしたものである。また、傾斜面6、6を、非溶着部分の位置の空間Sの直上に位置させた断面三角形状の突起4Aによって形成していることも同様である。
3 集光ガイド
4 レーザー光に対して透過性のある熱可塑性樹脂材
4A 断面三角形状の突起
4B 断面三角形状の凹部
4C 段差
4D 非溶着部分外側のレーザー光が全反射する傾斜面
4E 非溶着部分の位置の空間Sの傾斜面
5 レーザー光に対して透過性のない熱可塑性樹脂材
6 レーザー光を屈折させる傾斜面
S 非溶着部分の位置の空間
M 溶着部分
Claims (2)
- 加熱源としてのレーザー光に対して透過性のある熱可塑性樹脂材と、レーザー光に対して透過性のない熱可塑性樹脂材とを重合し、レーザー光に対して透過性のある熱可塑性樹脂材側からレーザー光を照射して、これらの樹脂材の当接界面で吸収されるエネルギーにより相互に熱溶融させて融着するものであって、且つ前記レーザー光に対して透過性のある熱可塑性樹脂材と、レーザー光に対して透過性のない熱可塑性樹脂材との間において非溶着部分を生じさせるようになしたレーザー溶着方法において、
前記レーザー光に対して透過性のある熱可塑性樹脂材の入射側の表面に、前記レーザー光を入射させると共に入射したレーザー光を所望の方向に屈折させる傾斜面又は彎曲面を形成し、前記レーザー光に対して透過性のある熱可塑性樹脂材内に入射し、これを透過する前記レーザー光を屈折及び反射させて溶着部分のみに向かわせるようになしたレーザー溶着方法であって、
前記レーザー光に対して透過性のある熱可塑性樹脂材の前記レーザー光に対して透過性のない熱可塑性樹脂材との当接面に、その非溶着部分の外側の位置において溶着部分を残して所要の高さの垂直壁面若しくは傾斜面又は彎曲面を設け、該垂直壁面若しくは傾斜面又は彎曲面をもって前記レーザー光に対して透過性のある熱可塑性樹脂材内に入射し、屈折したレーザー光を全反射させ、該全反射したレーザー光を溶着部分のみに向かわせるようになしたことを特徴とするレーザー溶着方法。 - 加熱源としてのレーザー光に対して透過性のある熱可塑性樹脂材と、レーザー光に対して透過性のない熱可塑性樹脂材とを重合し、レーザー光に対して透過性のある熱可塑性樹脂材側からレーザー光を照射して、これらの樹脂材の当接界面で吸収されるエネルギーにより相互に熱溶融させて融着するものであって、且つ前記レーザー光に対して透過性のある熱可塑性樹脂材と、レーザー光に対して透過性のない熱可塑性樹脂材との間において非溶着部分を生じさせるようになしたレーザー溶着方法において、
前記レーザー光に対して透過性のある熱可塑性樹脂材の入射側の表面に、前記レーザー光を入射させると共に入射したレーザー光を所望の方向に屈折させる傾斜面又は彎曲面を形成し、前記レーザー光に対して透過性のある熱可塑性樹脂材内に入射し、これを透過する前記レーザー光を屈折及び反射させて溶着部分のみに向かわせるようになしたレーザー溶着方法であって、
前記レーザー光に対して透過性のある熱可塑性樹脂材の非溶着部分の位置の空間を傾斜面となし、該傾斜面により前記レーザー光に対して透過性のある熱可塑性樹脂材内に入射し、屈折したレーザー光を全反射させ、且つ全反射したレーザー光を溶着部分に向かわせるようになしたことを特徴とするレーザー溶着方法。
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| JP2008094812A JP5116535B2 (ja) | 2008-04-01 | 2008-04-01 | レーザー溶着方法 |
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|---|---|
| JP2009248322A JP2009248322A (ja) | 2009-10-29 |
| JP5116535B2 true JP5116535B2 (ja) | 2013-01-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5398485B2 (ja) * | 2009-11-18 | 2014-01-29 | キヤノン株式会社 | 液体供給部材、液体供給部材の製造方法、及び液体吐出ヘッドの製造方法 |
| JP5911199B2 (ja) * | 2011-03-22 | 2016-04-27 | 株式会社小糸製作所 | 溶着方法及び溶着装置 |
| JP6014834B1 (ja) * | 2016-07-01 | 2016-10-26 | 精電舎電子工業株式会社 | 光透過性樹脂のレーザ溶着方法および光透過性樹脂のレーザ溶着装置 |
| DE102020206670A1 (de) * | 2020-05-28 | 2021-12-02 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Laserschneidverfahren und Laserschneidanlage |
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| JP2001334578A (ja) * | 2000-05-26 | 2001-12-04 | Matsushita Electric Works Ltd | レーザによる樹脂の溶着加工方法 |
| JP4548713B2 (ja) * | 2003-08-19 | 2010-09-22 | キヤノン株式会社 | インクジェット記録ヘッドおよびその製造方法 |
| JP4311158B2 (ja) * | 2003-10-14 | 2009-08-12 | 株式会社デンソー | 樹脂成形品およびその製造方法 |
| JP4761516B2 (ja) * | 2005-06-10 | 2011-08-31 | キヤノン株式会社 | インクジェット記録ヘッドの製造方法及び樹脂部材の接合方法 |
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