JP2011093134A - 樹脂成形品の製造方法 - Google Patents
樹脂成形品の製造方法 Download PDFInfo
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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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- 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
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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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- B29C66/00—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
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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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- B29C66/00—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
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Abstract
【解決手段】a)吸光性樹脂部材21の溶着領域と透光性樹脂部材22の対応する溶着領域27を対向圧接配置する工程と、b)前記溶着領域27の延在方向に沿う複数の溶着ラインを設定し、レーザビーム12sを前記透光性樹脂部材22から入射し、前記レーザビーム12sを前記複数溶着ラインに対して繰り返し照射し、溶着領域27全体を同時に加熱溶融する工程と、c)対向圧接配置された前記透光性樹脂部材22と前記吸光性樹脂部材21を溶融し溶着する工程、を含み、前記工程b)において、前記溶着領域27全体を溶融した状態で、幅方向一端側から他端側にかけて温度勾配を形成する。
【選択図】図3−2
Description
a)吸光性樹脂部材の溶着領域と透光性樹脂部材の対応する溶着領域を対向圧接配置する工程と、
b)前記溶着領域の延在方向に沿う複数の溶着ラインを設定し、レーザビームを前記透光性樹脂部材から入射し、前記レーザビームを前記複数溶着ラインに対して繰り返し照射し、溶着領域全体を同時に加熱溶融する工程と、
c)対向圧接配置された前記透光性樹脂部材と前記吸光性樹脂部材を溶融し溶着する工程、を含み、
前記工程b)において、前記溶着領域全体を溶融した状態で、幅方向一端側から他端側にかけて温度勾配を形成する樹脂成形品の製造方法
が提供される。
12 レーザ光、
13 焦点調節用光学系、
14 第1ガルバノミロラ、
15 第2ガルバノミラ、
16 制御装置、
21 吸光性樹脂部材、
22 透光性樹脂部材、
23 バリ、
27 溶着領域、
31 スキャンヘッド。
Claims (8)
- a)吸光性樹脂部材の溶着領域と透光性樹脂部材の対応する溶着領域を対向圧接配置する工程と、
b)前記溶着領域の延在方向に沿う複数の溶着ラインを設定し、レーザビームを前記透光性樹脂部材から入射し、前記レーザビームを前記複数溶着ラインに対して繰り返し照射し、溶着領域全体を同時に加熱溶融する工程と、
c)対向圧接配置された前記透光性樹脂部材と前記吸光性樹脂部材を溶融し溶着する工程、を含み、
前記工程b)において、前記溶着領域全体を溶融した状態で、幅方向一端側から他端側にかけて温度勾配を形成する樹脂成形品の製造方法。 - 前記工程b)において、前記レーザビームの走査にガルバノスキャナを用いる請求項1に記載の樹脂成形品の製造方法。
- 前記工程b)が、
b1)前記複数溶着ラインを等幅に設定するサブ工程と、
b2)前記レーザビームの繰り返し照射により、前記溶着ラインの各々を加熱溶融するサブ工程と、を含み、
前記サブ工程b2)を、一端側の前記溶着ラインから順次他端側の前記溶着ラインまで行い、溶着領域全体を加熱溶融する請求項1または2記載の樹脂成形品の製造方法。 - 前記工程b)が、
b3)前記複数溶着ラインの幅が一端側から他端側にかけて単調に減少するよう設定するサブ工程と、
b4)前記レーザビームの繰り返し照射により、前記溶着ラインの各々を加熱溶融するサブ工程と、を含み、
前記サブ工程b4)を、一端側の前記溶着ラインから順次他端側の前記溶着ラインまで行い、溶着領域全体を加熱溶融する請求項1または2記載の樹脂成形品の製造方法。 - 前記工程b)が、
b5)前記複数溶着ラインの幅が一端側から他端側にかけて単調に減少するよう設定するサブ工程と、
b6)前記レーザビームにより一端側の前記溶着ラインを照射し、順次他端側の前記溶着ラインまで照射するサブ工程と、を含み、
前記サブ工程b6)を繰り返し行い、溶着領域全体を加熱溶融する請求項1または2記載の樹脂成形品の製造方法。 - 前記工程b)において、前記溶着ラインを繰り返し照射する前記レーザビームの走査速度を、前記溶着ラインごとに変化させる請求項1〜5のいずれか一項記載の樹脂成形品の製造方法。
- 前記工程b)において、光強度の異なる複数のレーザビームを用いて、前記複数溶着ラインを繰り返し照射する請求項1〜6のいずれか一項記載の樹脂成形品の製造方法。
- 前記工程b)において、前記溶着ラインの幅に対し1〜3倍の径を有する前記レーザビームを照射する請求項1〜7のいずれか一項記載の樹脂成形品の製造方法。
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