JP6022970B2 - 金属部材と樹脂部材との接合方法 - Google Patents
金属部材と樹脂部材との接合方法 Download PDFInfo
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- 239000002184 metal Substances 0.000 title claims description 92
- 239000011347 resin Substances 0.000 title claims description 76
- 229920005989 resin Polymers 0.000 title claims description 76
- 238000000034 method Methods 0.000 title claims description 22
- 238000003825 pressing Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000005530 etching Methods 0.000 description 1
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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
- 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
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
-
- 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
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
- B29C65/0681—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding created by a tool
-
- 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
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
-
- 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
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02245—Abrading, e.g. grinding, sanding, sandblasting or scraping
-
- 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
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot 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
- 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
- B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
- B29C66/3032—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined
- B29C66/30321—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined making use of protrusions belonging to at least one of the parts to be joined
- B29C66/30322—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined making use of protrusions belonging to at least one of the parts to be joined in the form of rugosity
-
- 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
-
- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—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
- B29C66/814—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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
これらの文献に記載された方法においては、金属部材と樹脂部材とを重ね合わせた状態において、回転ツールを回転させながら金属部材の表面に押し付けることにより摩擦熱を発生させる。その際、前記摩擦熱により、樹脂部材のうち、金属部材に対面接触する部分を溶融させる。このため、金属部材に対して樹脂部材を融着させた態様で接合させることができる。このような構成によれば、接着剤を用いて接合させる場合と比較すると、作業性がよい。
また、特許文献1には、前記した接合を行なう前の予備作業として、金属部材の表面にたとえばエッチング処理を施し、金属部材の表面を凹凸状に形成する手段も記載されている。このような手段によれば、金属部材と樹脂部材との接合強度を高めることが可能である。
第1に、摩擦熱を利用して加熱溶融させる対象は、樹脂部材であるが、従来では、回転ツールを金属部材に押し当てて摩擦熱を発生させている。このため、金属部材からの放熱量は多い。金属部材は熱導伝性がよいために、金属部材の略全体が放熱部となり、摩擦熱の放熱ロスはかなり多いものとなる。したがって、樹脂部材に有効に伝達する熱量の割合は少なく、樹脂部材の加熱効率、および作業全体のエネルギ効率は、余り良好ではない。
第2に、金属部材と樹脂部材との接合強度を高めることを目的として、金属部材の表面を予め凹凸状に形成する場合、この作業は、金属部材と樹脂部材との接合作業とは全く別の作業として行なう必要がある。このため、その作業は煩雑である。したがって、生産性を高め、かつ作業コストを低減する観点からも未だ改善の余地がある。
部材の片面に到達した後に、前記回転ツールの先端部に設けられている刃部、または前記回転ツールに付属して設けられた金属用加工ツールを利用して、前記金属部材の片面に凹凸面部を形成する工程と、前記凹凸面部を形成した後に前記回転ツールを前記樹脂部材から引き抜き、溶融樹脂を前記凹凸面部上に流動させてから固化させる工程と、を有していることを特徴としている。
第1に、樹脂部材を加熱溶融させるための手段として、回転ツールを樹脂部材に押し付けて回転させているために、摩擦熱によって樹脂部材を直接的に加熱することができる。回転ツールを金属部材に押し付けて回転させていた従来技術と比較すると、金属部材からの放熱ロスは大幅に少なくなり、樹脂部材を加熱溶融させる際のエネルギ効率がよい。したがって、省エネ、および省エネによるランニングコストの低減化を好適に図ることができる。また、樹脂部材を加熱溶融するための作業時間も短縮可能であり、生産性向上にも寄与する。
第2に、金属部材に形成された凹凸面部に樹脂部材の一部が噛み込んだ状態の接合構造が得られ、このことにより金属部材と樹脂部材との接合強度を高めることが可能である。本発明では、金属部材に凹凸面部を形成する作業は、回転ツールを利用して樹脂部材の一部を加熱溶融させた後であって、回転ツールを樹脂部材から引き続くまでの期間中において行なわれる。したがって、接合作業の開始前に、この接合作業とは全く別の作業として金属部材の表面を凹凸状に処理していた従来技術と比較すると、合理的であり、作業の煩雑さが解消される。したがって、生産性をより高め、作業コストなどの低減化を一層促進することができる。
図1に示す実施形態の接合方法では、接合装置A1が用いられる。同図(a)を参照して、接合装置A1の構成をまず説明する。
接合装置A1は、回転ツール1、金属用加工ツール2、および押さえ部材3を備えている。
めに、摩擦熱によって樹脂部材5を直接かつ効率よく加熱することができる。たとえば、回転ツール1を金属部材4に押し付ける場合と比較すると、放熱ロスは相当に少なく、加熱効率、エネルギ効率がよい。また、金属部材4に凹凸面部40を形成する作業は、金属部材4と樹脂部材5との接合作業途中で行なわれ、効率よく迅速に実行することができる。接合作業の開始前に金属部材4の表面を凹凸状に形成する必要はないため、全体の作業性がよく、作業コストなどの低減化を好適に図ることが可能である。
図2に示す実施形態の接合方法では、接合装置A2が用いられる。なお、図2において、図1に示した第1の実施形態と同一または類似の構成要素には、第1の実施形態と同一の符号を用いている。
本実施形態によれば、前記実施形態の金属用加工ツール2を用いないために、接合装置A2の構造を簡素にすることができる利点が得られる。
接合対象となる金属部材および樹脂部材の具体的な材質、形状、サイズなどは限定されない。
2 金属用加工ツール
4 金属部材
5 樹脂部材
20,20A 刃部
40 凹凸面部
62 圧力センサ
Claims (2)
- 金属部材および樹脂部材を重ね合わせた状態において、前記樹脂部材に対して回転ツールを回転させながら押し付けることにより摩擦熱を発生させ、前記樹脂部材を溶融させながら前記回転ツールを前記金属部材側に進行させていく工程と、
前記回転ツールが前記樹脂部材を貫通して前記金属部材の片面に到達した後に、前記回転ツールの先端部に設けられている刃部、または前記回転ツールに付属して設けられた金属用加工ツールを利用して、前記金属部材の片面に凹凸面部を形成する工程と、
前記凹凸面部を形成した後に前記回転ツールを前記樹脂部材から引き抜き、溶融樹脂を前記凹凸面部上に流動させてから固化させる工程と、
を有していることを特徴とする、金属部材と樹脂部材との接合方法。 - 請求項1に記載の金属部材と樹脂部材との接合方法であって、
前記回転ツールまたは前記回転ツール用の動作機構には、前記樹脂部材を溶融させながら前記回転ツールを前記金属部材側に進行させていく際に生じる抵抗力を検出するための圧力センサを設けておき、
この圧力センサによって所定以上の圧力が検出されたときには、前記回転ツールが前記金属部材の片面に到達したものと判断する、金属部材と樹脂部材との接合方法。
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JPS6264527A (ja) * | 1985-09-18 | 1987-03-23 | Toyota Motor Corp | 合成樹脂材料と異種材料の接合方法 |
JP5135061B2 (ja) * | 2008-05-23 | 2013-01-30 | 住友軽金属工業株式会社 | 金属材と樹脂材の接合方法、及び金属材と樹脂材の接合体 |
EP2329905B1 (en) * | 2009-12-03 | 2012-05-30 | Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH | Method for joining metal and plastic workpieces |
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