JP7262830B2 - 第1の物体に第2の物体を締結する方法 - Google Patents
第1の物体に第2の物体を締結する方法 Download PDFInfo
- Publication number
- JP7262830B2 JP7262830B2 JP2021138038A JP2021138038A JP7262830B2 JP 7262830 B2 JP7262830 B2 JP 7262830B2 JP 2021138038 A JP2021138038 A JP 2021138038A JP 2021138038 A JP2021138038 A JP 2021138038A JP 7262830 B2 JP7262830 B2 JP 7262830B2
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- resin
- mounting surface
- vibration
- auxiliary element
- mechanical vibration
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- B29C66/8141—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81433—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
- B29C66/81435—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned comprising several parallel ridges, e.g. for crimping
-
- 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
- B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
- B29C66/9513—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools characterised by specific vibration frequency values or ranges
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
-
- 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
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
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Description
本発明は、機械工学および構造の分野に関し、特に、機械的構造、たとえば、自動車工学、航空機構造、鉄道車両構造、造船、マシン構造、建築工業の構造、おもちゃの構造などに関する。より特定的には、物体同士を互いに対して締結するプロセスに関する。
自動車産業、航空機産業および他の産業においては、鉄骨構造を使用しなくなってきており、代わりに、繊維複合材などの軽量材料、特に、炭素繊維強化ポリマーを使用する傾向がある。
本発明の一局面に従うと、第1の物体に対して第2の物体を締結する方法が提供される
。当該方法は、
- 取付け面を含む第1の物体を設けるステップと、
- 第2の物体を設けるステップと、
- 樹脂を取付け面と第2の物体との間において流動可能にした状態で、第1の物体に対して相対的に第2の物体を配置するステップと(この場合、樹脂は、最初から流動可能であり得るかまたは少なくとも機械振動の作用によって流動可能であり得る。以下を参照)、
- 樹脂を第1の取付け面および第2の取付け面に接触させた状態で、特に、たとえば、振動工具によって第2の物体と第1の物体とを、互いに押当てながら、第2の物体もしくは第1の物体または第2の物体および第1の物体の両方に対して機械振動を作用させ、これにより、樹脂を架橋するように活性化させるステップと、
- 架橋の後、樹脂により第2の物体を第1の物体に固定するステップとを含む。
構造体を含む繊維複合部分を含む。実施形態の1グループにおいては、繊維複合部分は、特に、繊維の構造体のうち取付け面において露出された一部分を含むだろう。次いで、流動性樹脂材料を繊維の構造体に浸透させて、材料中に発生する可能性のある空隙を回避する。振動はまた、繊維自体をわずかに動かす可能性があり、これにより、全く浸透しない箇所が生じるのを防ぐ役割を果たす。露出された繊維の構造体は、当然ながら、アンダーカットを規定する構造体を含むこととなり、これにより、如何なる追加措置も必要とすることなく上述の押込み嵌合接続が実現される。
1の物体の取付け面(「第1の取付け面」)に当接するように配置された遠位側に対向する第2の取付け面を含む。
はポリマー繊維などの炭素繊維以外の他の繊維が除外されるものではない。
、他の物体の表面に接着されるように意図されていてもよい。
する表面形状を第2の物体および/または第1の物体に設けることもできる。すなわち、第2の物体が近位側に隆起し、および/または、第1の物体が遠位側に隆起している。これにより、樹脂のためのポケットが形成される。このような形状により、ポケットが横方向に閉じられるかまたはポケットが開くように、閉込めがなされ得る。これにより、樹脂がポケット外および/またはポケット内に横方向に流れるのをいくらか抑制されたままにすることができる。
取付け面を一緒にまとめる前に樹脂を分配するステップは、分配工具を用いて、第1の取付け面上および/または第2の取付け面上に樹脂を分配するステップを含んでもよい。
十分に柔軟な材料でできている。
可塑性材料にそれぞれ貫入するように設けられた穿孔部分を有する。
質的に垂直に振動してもよい(工具も縦方向に押圧される)。これは、たとえば、表面部分上にわたって工具を移動させるための工具に対する横方向の力を除外するものではない。
- 力衝撃分布:特に第1の物体および/または第2の物体が薄板状である場合、これら物体は、結合された振動の周波数および波長とは概ね等しくない共振周波数および波長を持ったそれら自体の振動挙動を有することとなる。これにより、接触面全体ではなく何らかの接触点においてのみ結合がなされ、損失がもたらされることとなる。比較的柔らかい箔によってこのような不整合が相殺され(インピーダンス不整合が相殺され)、これにより、結合特性を向上させるだろう。
機械振動は、超音波振動、たとえば15kHzから200kHzの間、特に20kHzから60kHzの間の周波数の振動、であってもよい。第2の物体の(たとえば、特徴的
な横方向の寸法が約1cmである)例示的なサイズや、たとえば自動車産業(車体部分)のための複合部品の寸法に対しては、約100W~200Wの電力が十分であることが判明したが、加えられるこの電力は用途に応じて大きく異なる可能性もある。
以下において、本発明および実施形態を実行するための方法を、添付の図面を参照しながら説明する。図面は概略的である。図面においては、同じ参照番号は同じまたは同様の要素を指している。
図1aは、硬化された樹脂のマトリックス12に埋込まれた繊維11の構造体を有する
繊維複合部分1の断面を示す。例示の目的で、図示されたすべての例においては、繊維複合部分は、たとえば、車体部分または航空機の壁などを有するような全体的にやや平坦な形状を有するものと想定されている。しかしながら、本発明の例はすべて、やや平坦ではなく他の形状を有する第1の物体にも適用可能である。
図25の変形例においては、円周方向チャネル21は放射状の接続121によって接続されており、これにより、せん断流が可能となり、樹脂が空洞形成作用を受けることが、
図5に示されているような非接続の円周方向チャネルを備えた構成と比べて、少なくなっている。
最先端技術の締結具についての任意の特性を有し得る。締結具は、この場合、「bighead
」という商品名で販売されている締結具と本質的に同様に構成されていてもよい。
って近位側に向かって流れ得る。これは、押込み嵌合の作用を引起こすことによって、取付け特性に寄与する作用をもたらす可能性がある。この場合、第2の物体は、後者の硬化後、樹脂材料に部分的に埋込まれている。
および第2の物体はともに比較的大型である。製造プロセスにおいては、さらに他の製造ステップのために結合が十分に強固になるまでのこれら物体間の接着剤の硬化が著しい遅延を引起こす可能性がある。したがって、本発明の実施形態に従ったアプローチは、複数の別個の箇所81においてこの明細書中に記載された締結方法を用いて、これらの箇所において樹脂を活性化させることである。これにより、急速プロセスにおいて接着を十分に安定させる。第1の物体と第2の物体とのアセンブリがさらなる処理ステップを経ている間、別個の箇所81間における樹脂部分が、その後、徐々に固まり得る。
エンボス溝97は、主に当該溝によって囲まれている部分を振動させることができるようにするための継手状の構造としての役割を果たす。
性をもたらす。これは、次の製造ステップに移るために、アセンブリが十分な安定性を直ちに有する必要のある製造プロセスにおいては重要であり得る。
に得られる。
- プロセス中における樹脂流れの制御。
Claims (11)
- 第1の物体に第2の物体を締結する方法であって、
- 第1の取付け面を含む前記第1の物体を設けるステップと、
- 前記第2の物体を設けるステップと、
- 振動エネルギを吸収可能な熱可塑性材料を含む補助要素を設けるステップと、
- 前記第1の取付け面と前記第2の物体の第2の取付け面との間に樹脂を介在させた状態で、前記第1の物体に対して相対的に前記第2の物体を配置するステップと、
- 前記樹脂が前記第1の取付け面および前記第2の取付け面に接触している間、機械振動を前記第2の物体に作用させることにより、少なくとも1つの別個の位置において前記樹脂の一部を架橋するように活性化させるのに対して、前記樹脂のさらに別の一部は前記機械振動によって本質的に影響を受けないままである、ステップと、を含み、
機械振動を作用させる前記ステップにおいて、前記補助要素は前記第1の物体と前記第2の物体との間の前記少なくとも1つの別個の位置に配置され、機械振動エネルギを吸収し、これにより、前記補助要素の付近において前記樹脂を加熱し、
- それによって、前記樹脂により前記第2の物体を前記第1の物体に固定する、方法。 - 前記第2の物体は平面薄板部分を有し、機械振動を前記第2の物体に作用させる前記ステップは、機械振動を前記平面薄板部分に作用させる、請求項1に記載の方法。
- 機械振動を作用させることにより、前記樹脂を架橋するように活性化させるステップは、前記第1の物体、前記第2の物体および前記樹脂を含むアセンブリについての複数の別個の位置のために繰返される、請求項1または2に記載の方法。
- 前記第2の物体は窪められた部分を有し、機械振動を作用させるステップにおいて、振動工具が前記窪められた部分に接触している、請求項1から3のいずれか1項に記載の方法。
- 前記第2の物体は波形部分を有し、機械振動を作用させるステップにおいて、振動工具が前記波形部分に接触している、請求項1から4のいずれか1項に記載の方法。
- 前記補助要素は少なくとも1つのエネルギダイレクタを含む、請求項1から5のいずれか1項に記載の方法。
- 前記補助要素は可撓性のある平面構造である、請求項1から6のいずれか1項に記載の方法。
- 前記可撓性のある平面構造がメッシュである、請求項7に記載の方法。
- 前記第1の物体に対して相対的に前記第2の物体を配置する前記ステップにおいて、前記補助要素が、前記第1および第2の物体の間の距離保持器としての役割を果たし、これにより、前記樹脂の厚さを規定する、請求項1から8のいずれか1項に記載の方法。
- 第1の物体に第2の物体を接着接続によって締結する方法であって、
- 第1の取付け面を含む前記第1の物体を設けるステップと、
- 前記第2の物体を設けるステップと、
- 振動エネルギを吸収可能な熱可塑性材料を含む補助要素を設けるステップと、
- 前記第1の取付け面と前記第2の物体の第2の取付け面との間に樹脂を介在させた状態で、前記第1の物体に対して相対的に前記第2の物体を配置するステップと、
- 前記樹脂が前記第1の取付け面および前記第2の取付け面に接触している間、機械振動を、前記第2の物体もしくは前記第1の物体または前記第2の物体および前記第1の物体の両方の、複数の別個の位置に作用させ、これにより、前記樹脂の複数の別個の部分を架橋するように活性化させるのに対して、前記樹脂の他の部分は前記機械振動によって本質的に影響を受けないままであり、
- 前記樹脂が前記第1の取付け面および前記第2の取付け面に接触している間、機械振動を前記第2の物体に作用させることにより、少なくとも1つの別個の位置において前記樹脂の一部を架橋するように活性化させるのに対して、前記樹脂のさらに別の一部は前記機械振動によって本質的に影響を受けないままである、ステップと、を備え、
機械振動を作用させる前記ステップにおいて、前記補助要素は前記第1の物体と前記第2の物体との間の前記複数の別個の位置に配置され、機械振動エネルギを吸収し、これにより、前記補助要素の付近において前記樹脂を加熱し、
樹脂の前記複数の別個の部分によって第2の物体が第1の物体に対して所定の位置に保持されている間に前記樹脂の前記複数の別個の位置以外部分が固まることを可能にし、それによって樹脂の前記複数の別個の部分が、前記樹脂の前記複数の別個の位置以外の部分が十分に固まるまで、前記第1の物体および前記第2の物体のアセンブリを予備的に安定化させ、
それによって、前記樹脂が前記第2の物体を前記第1の物体に固定する、方法。 - 前記第2の物体は窪められた部分を有し、機械振動を作用させるステップにおいて、振動工具が前記窪められた部分に接触している、請求項10に記載の方法。
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BR112018070897B1 (pt) | 2023-02-07 |
KR20190018134A (ko) | 2019-02-21 |
KR20220124822A (ko) | 2022-09-14 |
JP2019521003A (ja) | 2019-07-25 |
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BR112018070897A2 (pt) | 2019-02-05 |
US20190168463A1 (en) | 2019-06-06 |
JP2021192981A (ja) | 2021-12-23 |
US11077621B2 (en) | 2021-08-03 |
MX2018012487A (es) | 2019-06-10 |
CN109476088A (zh) | 2019-03-15 |
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