JPS6240180B2 - - Google Patents

Info

Publication number
JPS6240180B2
JPS6240180B2 JP57200511A JP20051182A JPS6240180B2 JP S6240180 B2 JPS6240180 B2 JP S6240180B2 JP 57200511 A JP57200511 A JP 57200511A JP 20051182 A JP20051182 A JP 20051182A JP S6240180 B2 JPS6240180 B2 JP S6240180B2
Authority
JP
Japan
Prior art keywords
thermoplastic
materials
laser
thermoplastic material
thermoset
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
Application number
JP57200511A
Other languages
English (en)
Other versions
JPS58118210A (ja
Inventor
Maarin Chaaruson Hooru
Reimondo Shuwaitaasu Kurearansu
Hyungu Sooku Jun
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS58118210A publication Critical patent/JPS58118210A/ja
Publication of JPS6240180B2 publication Critical patent/JPS6240180B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B23K26/324—Bonding taking account of the properties of the material involved involving non-metallic parts
    • 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
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part 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
    • B29C66/40—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
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • 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
    • 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
    • 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
    • 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
    • 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
    • B29C66/7394—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 thermoset
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0838—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using laser
    • 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
    • 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
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
    • 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
    • B29C66/712—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 the composition of one of the parts to be joined being different from the composition of the other part
    • 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
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials

Description

【発明の詳細な説明】 本発明は、熱可塑性材料を非熱可塑性材料に接
合させるための方法に係る。
熱可塑性材料を熱硬化性材料へ融接により接合
させることは、そられの２つの材料が流動によつ
て融合しないために容易でない。熱可塑性材料は
流動するが、熱硬化性材料は流動しない。従つ
て、それらの２つの材料は溶接によつて融合しな
い。しかしながら、米国特許第3989778号明細書
に記載されている如く、２つの熱可塑性材料をレ
ーザ溶接により相互に接合させることは周知であ
る。
熱可塑性材料は、放射エネルギ源としてレーザ
を用い、そして熱可塑性材料を熱硬化性材料上に
流動させてそれらの材料が相互に機械的に接合さ
れる様にレーザ・ビームを熱硬化性材料に隣接す
る局所的預域の熱可塑性材料に方向付けることに
より、短時間で熱硬化性材料に接合され得る。
熱可塑性材料は、熱可塑性材料を熱硬化性材料
上に流動させて両材料間の界面に機械的接合を形
成するために放射エネルギを熱可塑性材料に加え
ることによつて、熱硬化性材料に接合される。
本発明の方法の大きな特徴は、レーザを放射エ
ネルギ源として用いることにより、接合部が0.5
乃至５秒間で形成され得ることである。これは、
製造条件が高度な場合に重要である。更に、人間
の手またはマニピユレータによつて物理的にアク
セスし難い組立体内に配置されている部材間にも
接合部が形成され得る。これは、レーザ・ビーム
が熱可塑性材料に接触すればよく、何ら物理的接
触を要しないためである。この場合、レーザ・ビ
ームが両材料間の界面から離れた熱可塑性材料の
端部が始めにぶつからずには該界面に投射され得
ないときには、そのレーザ・ビームが直接方向付
けられる様に傾斜した表面を有する熱可塑性部材
を成型又は機械加工する必要があり得る。レー
ザ・ビームを遮蔽する様な端部は、レーザ・ビー
ムが界面に於て熱可塑性材料にぶつかり得る様
に、界面から傾斜され得る。
本発明の方法は、熱硬化性材料であるフエノー
ル材料を熱可塑性材料であるポリカーボネート材
料に接合する場合に特に有用である。場合によつ
て、相互に異なる特性を有するこれらの２つの材
料を接合する場合が生じ得る。フエノール材料は
磁気的及び電気的状況に望ましい或る種の特性を
有している。一方、ポリカーボネート材料は容易
に成型可能であり、成型後も安定である。
２つの材料が相互に接合される前に、それらが
組立体内部に配置されて相互に整合されていなけ
ればならない場合に、物理的にアクセス不可能な
場合が生じる。通常、その様な組立体では、それ
ら２つの材料を収容する筐体がそれらの２つの材
料に物理的に接触する必要がある方法を用いてそ
れらを接合することを困難にするような狭い開孔
しか持たない。本発明の方法は、レーザ・ビーム
をエネルギ源として用いているので、それらの材
料に物理的に接触する必要がないことは勿論であ
る。
次に、図面を参照して、本発明をその好実施例
について更に詳細に説明する。
第１図に於て、本発明の方法は、開孔３１を有
する筐体３０内に於て熱硬化性部材１０が熱可塑
性部材２０へ相互に整合された後にそれらを相互
に接合させるために用いられている。第２図に於
てより明確に示されている如く、制御されたレー
ザ・ビームが、熱硬化性部材１０との界面近傍に
於て熱可塑性部材２０の肩部２１に衝突する様に
アクセス開孔３１を経て方向付けられて、その衝
突領域に於ける熱可塑性部材２０の温度がその流
動温度迄上昇され、それによつて上記２つの部材
間に形成されている間隙１５中にそして熱硬化性
部材１０の肩部１１上に溶融した熱可塑性材料が
ぬれ特性によつて流動する。間隙１５は、上記２
つの部材を更に機械的に固定する。
熱硬化性部材と熱可塑性部材との間の接合部
は、熱可塑性材料を熱硬化性材料上に流動させる
ことによつて形成される。レーザ４０からのビー
ム４１は、間隙１５に最も近い端部の近傍に於て
肩部２１に衝突するべきである。入射角が限定さ
れていることにより、ビーム４１が間隙１５から
離れた端部又は近傍に於て肩部２１に衝突する様
な場合には、その端部は第４図に示されている如
く面取りされ得る。
次の２つの実施例に於ては、特定のプロセス・
パラメータとともに用いられたレーザの型が示さ
れており、それらのプロセス・パラメータは制造
条件に応じて変更され得る。
実施例 １ 第１図の熱硬化性部材１０は、熱硬化性材料で
あるフエノール材料から成る。部材１０が接合さ
れるべき部材２０は、30％の媒体で充填されたガ
ラスのポリカーボネート材料である。フエノール
材料は、その電気特性の故に、部材１０に用いら
れた。30％の媒体で充填されたガラスのポリカー
ボネート材料は、その成型容易性及び成型後の安
定性の故に、部材２０に選択された。部材１０及
び２０は、低パワーのYAGレーザによる1.06μ
ｍの放射を用いて略５秒間のビーム照射時間で３
つの異なる領域に於て相互に接合された。その結
果、略８Kgの引張り強さ（pull strength）を有
する接合部が３つの領域に於て上記２部材間に形
成された。上記レーザ・ビームは該ビームの中心
部が当る部分のポリカーボネート材料に幾分焦げ
を生じたが、均一な溶融体の領域を生ぜしめて、
接合部を形成した。レーザ・ビームの焦点をぼか
すことによつて、均一な溶融体の領域の幅を大き
くすることができる。これは又、ポリカーボネー
トの局部的な焦げを最小限にする。
ビームの入射角は、水平軸から僅かに略10゜で
あつた。45゜の如き、より大きな入射角が好まし
いが、第１図の場合の如く、両部材が筐体内にあ
る場合には、入射角が限定された。入射角を大き
くするために鏡を筐体３０中に挿入することも可
能であるが、余り実際的ではない。
実施例 ２ 第３図に示されている実施例に於ては、フエノ
ール部材１０は第２図の部材１０と実質的に同一
の形状及び寸法を有した。しかしながら、この場
合のポリカーネネート部材２０は、第２図の場合
の如く部材１０の肩部１１に対向する肩部２１を
有さず、従つて第２図の場合の如き間隙１５を有
していない。この実施例に於て用いられたレーザ
は、焦点距離0.1cm×1.0cmの円柱レンズを用いた
10.6μｍの放射を有するCO2レーザであり、該レ
ンズは部材１０と部材２０との界面に沿つて接合
領域を拡げた。上記両部材は、40ワツトにより、
0.5，1.0及び2.0秒の露光時間で接合された。ビー
ムが３つの領域に方向付けられ、上記0.5，1.0及
び2.0秒の各露光時間に対応して、各々1.9，2.8及
び4.5Kgの平均引張り強さを有する、３つの接合
部が部材１０と部材２０との間の形成された。高
パワーのCO2レーザからの放射エネルギは、ポリ
カーボネート材料の温度を、その溶融体が再流動
する時間が充分にない程迅速に上昇せしめ得るこ
とが観察された。CO2レーザを用いることによ
り、処理時間は短縮され得るが、接合部の強さ
は、より長い時間でYAGレーザを用いた場合よ
りも小さい。
熱硬化性部材及び熱可塑性部材を接合させるた
めに種々の代替的方法が用いられ得る。それらの
部材が３ケ所で接合されるものとすると、３つの
別個の低パワー・レーザが、該レーザからのビー
ムが３つの領域に同時にぶつかる様に、配置され
得る。又は、単一の高パワー・レーザが、１つの
高エネルギ・ビームを３つの領域にぶつかる３つ
のビームに分割するためのビーム・スプリツタ及
び鏡とともに用いられ、或は単一の低パワー・レ
ーザが、ビームを３つの領域に連続的に移動させ
る回転鏡とともに用いられ得る。
以上の説明から、本発明の方法は、熱可塑性部
材を熱硬化性部材に５秒乃至それ以下で接合させ
得ることが理解されよう。両部材はそれらに物理
的に接触せずに接合され得る。場合によつて、両
部材はそれらの間に充填物を有する組立体である
場合があり、即ち部材２０に対して荷重を有する
部材１０が用いられる場合があるが、その様な場
合でも、部材１０及び２０に物理的に接触する装
置を用いずに接合部が形成されることに注目され
たい。又、両部材が筐体内に在つて該筐体に設け
た開孔を通じて物理的にアクセスすることができ
ない場合でも、該開孔を通じてレーザ・ビームを
照射することによつて、接合部が形成され得るこ
とが理解されよう。
【図面の簡単な説明】
第１図は開孔を有する筐体内に配置された、本
発明の方法により接合され得る熱硬化性部材及び
熱可塑性部材を示す概略図、第２図は熱硬化性部
材の肩部に対向して熱可塑性部材の相補的肩部が
間隔を置いて配置されている場合に於て本発明の
方法により形成された接合部を示す概略図、第３
図は熱硬化性部材の肩部に対向して熱可塑性部材
に相補的肩部が設けられていない場合に於て本発
明の方法により形成された接合部を示す概略図、
第４図は両部材の界面から傾斜している相補的肩
部を有する熱可塑性部材の縦断面図である。 １０……熱硬化性部材（フエノール部材）、１
１……熱硬化性部材の肩部、１５……間隙、２０
……熱可塑性部材（ポリカーボネート部材）、２
１……熱可塑性部材の肩部、３０……筐体、３１
……アクセス開孔、４０……レーザ、４１……ビ
ーム。

Claims (1)

  1. 【特許請求の範囲】 １ 熱硬化性材料からなる第１の部材の底部に突
    起を設け、 上記突起が熱可塑性材料からなる第２の部材と
    接触するように上記第１の部材を該第２の部材の
    上に載置し、 上記第２の部材の上記突起に隣接する局所的領
    域にレーザ・ビームを照射して該領域の熱可塑性
    材料を溶融し、 ぬれ特性によつて上記溶融された熱可塑性材料
    が上記突起上に流動した後、レーザ・ビーム照射
    を停止して該熱可塑性材料を固まらせることを含
    む、 熱可塑性材料を熱硬化性材料に接合させるため
    の方法。
JP57200511A 1982-01-04 1982-11-17 熱可塑性材料を熱硬化性材料に接合させるための方法 Granted JPS58118210A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/336,650 US4414166A (en) 1982-01-04 1982-01-04 Laser joining of thermoplastic and thermosetting materials
US336650 1982-01-04

Publications (2)

Publication Number Publication Date
JPS58118210A JPS58118210A (ja) 1983-07-14
JPS6240180B2 true JPS6240180B2 (ja) 1987-08-27

Family

ID=23317052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57200511A Granted JPS58118210A (ja) 1982-01-04 1982-11-17 熱可塑性材料を熱硬化性材料に接合させるための方法

Country Status (4)

Country Link
US (1) US4414166A (ja)
EP (1) EP0084631B1 (ja)
JP (1) JPS58118210A (ja)
DE (1) DE3269896D1 (ja)

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Also Published As

Publication number Publication date
US4414166A (en) 1983-11-08
EP0084631A1 (en) 1983-08-03
JPS58118210A (ja) 1983-07-14
DE3269896D1 (en) 1986-04-17
EP0084631B1 (en) 1986-03-12

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