JPH0426297B2 - - Google Patents

Info

Publication number
JPH0426297B2
JPH0426297B2 JP17313086A JP17313086A JPH0426297B2 JP H0426297 B2 JPH0426297 B2 JP H0426297B2 JP 17313086 A JP17313086 A JP 17313086A JP 17313086 A JP17313086 A JP 17313086A JP H0426297 B2 JPH0426297 B2 JP H0426297B2
Authority
JP
Japan
Prior art keywords
flange portion
resin
mounting board
present
rotary welding
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 - Lifetime
Application number
JP17313086A
Other languages
English (en)
Other versions
JPS6328634A (ja
Inventor
Terutsugu Shibayama
Yoshio Kaneko
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.)
Nifco Inc
Original Assignee
Nifco Inc
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 Nifco Inc filed Critical Nifco Inc
Priority to JP61173130A priority Critical patent/JPS6328634A/ja
Publication of JPS6328634A publication Critical patent/JPS6328634A/ja
Publication of JPH0426297B2 publication Critical patent/JPH0426297B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B29C65/0672—Spin 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
    • B29C65/06—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
    • B29C65/069—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 the welding tool cooperating with specially formed features of at least one of the parts to be joined, e.g. cooperating with holes or ribs of at least one 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
    • B29C66/01—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
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-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
    • B29C66/73—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
    • B29C66/731—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 intensive physical properties of the material of the parts to be joined
    • B29C66/7311—Thermal properties
    • B29C66/73111—Thermal expansion coefficient
    • B29C66/73112—Thermal expansion coefficient of different thermal expansion coefficient, i.e. the thermal expansion coefficient of one of the parts to be joined being different from the thermal expansion coefficient of the other part
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/727—Fastening elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/727—Fastening elements
    • B29L2031/7282—Snap fasteners, clips, press-buttons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 ＜本発明の産業上の利用分野＞ 本発明は、樹脂平面に押し付けて回転して、摩
擦熱によつて樹脂平面に溶着するための、樹脂製
回転溶着部材に関する。
＜従来技術＞（第５，６図） 樹脂平面に回転溶着するための従来の樹脂製回
転溶着部材、例えばスタツド１や留め具２は、第
５図、第６図の如く柱部３の一端に一定厚みの円
板状のフランジ部４を突設し、フランジ部４の溶
着面と反対側の周縁部に係合突起５を突設した構
造となつている。
この樹脂製部材を樹脂製の取付基板に取付ける
には第７図に示すように、樹脂製の取付基板６の
取付けるべき位置に、回転治具７でスタツド１又
は留め具２を保持して押し付け、回転治具７の切
欠き７ａに係合突起５を係合して高速回転させ
る。この時に生じる摩擦熱によつてフランジ部４
及び取付基板６の両接触面が溶融する。回転を停
止した後、溶融部は冷却、硬化し、この結果、ス
タツド１又は留め具２は取付基板６に強固に固定
される。
＜本発明が解決しようとする問題点＞ しかしながら、上記の構造のスタツド１又は留
め具２では、フランジ部４と取付基板６の相互間
の線膨脹係数の相違のために、溶融後に冷えて硬
化収縮する際の収縮率の相違によつて、第８図に
示すように溶融した取付基板６がフランジ部４に
追従変化して、取付基板６の裏面に湾曲やシワが
生じる、いわゆる“裏ウツリ現象”が生じてい
た。
このため、取付基板６の裏面が外観品として用
いられる場合には、この“裏ウツリ現象”のため
に外観性を著しく低下させていた。
＜本発明の目的＞ 本発明は、このような外観性の低下を招く“裏
ウツリ現象”の発生をできる限り少なくするため
にフランジ部の形状を改造して線膨脹係数の相違
による影響を低減した樹脂製回転溶着部材を提供
することを目的としている。
＜本発明の手段＞ 上記目的を達成するため、本発明では、樹脂製
回転溶着部材のフランジ部の肉厚を中心から外周
方向に向つて漸減したことを特徴としている。
＜上記手段による作用＞ このようにフランジ部の肉厚を外周方向に向つ
て漸減したため、フランジ部と取付基板の相互間
の線膨脹係数に相違があつても、フランジ部の肉
厚が外周側ほど薄いため、硬化収縮時にフランジ
部の外周側が取付基板に変形追従して、湾曲やシ
ワを生じることが少なくなる。
＜本発明の実施例＞（第１〜４図） 以下、図面に基づいて本発明の実施例を説明す
る。
第１，２図はそれぞれ本発明による樹脂製回転
溶着部材（スタツド又は留め具）の実施例を示し
ている。
第１図は合成樹脂で一体成形されたスタツド
で、円筒状の柱部１０と、その一端に突設された
円板状のフランジ部１１と、フランジ部１１の溶
着面と反対面側の周縁部に突設された複数個の係
合突起１２とを備え、フランジ部１１は外周方向
に向つて肉厚が漸減している。
第２図は柱部１０に係合用の弾性突起１４，１
４を備えた留め具で、他の部分の構造は第１図と
同一である。
第３図の如く回転治具１６で樹脂製回転溶着部
材（スタツド又は留め具）を保持し、回転治具１
６の切欠き１６ａ，１６ａに係合突起１２，１２
を係合して合成樹脂製の取付基板１７にフランジ
部１１を押し付けて高速回転させると、接触面が
摩擦熱で溶融して溶着する。そして、その後、溶
着部が冷えて硬化して第４図の如く固定される。
この冷却硬化において、フランジ部１１と取付
基板１７の相互間の線膨脹係数に相違があつて
も、フランジ部１１の肉厚が外周側ほど薄いた
め、フランジ部１１の方が変形しやすくなり、硬
化収縮時に取付基板１７の変形に追従するから、
取付基板１７の裏面に湾曲やシワを生じる“裏ウ
ツリ現象”の発生が少なくなる。
＜本発明の効果＞ 以上説明したように本発明の樹脂製回転溶着部
材は構成されているので、取付基板の裏面の“裏
ウツリ現象”の発生を少なくすることができる。
【図面の簡単な説明】
第１，２図はそれぞれ本発明の実施例を示す正
面図である。第３図は回転溶着動作を示す概略正
面図である。第４図は取付けた状態を示す断面図
である。第５，６図は従来の樹脂製回転溶着部材
を示す斜視図である。第７図は回転溶着動作を示
す概略正面図である。第８図は“裏ウツリ現象”
が生じた取付け状態を示す断面図である。 １……スタツド、２……留め具、３……柱部、
４……フランジ部、５……係合突起、６……取付
基板、７……回転治具、７ａ……切欠き、１０…
…柱部、１１……フランジ部、１２……係合突
起、１４……弾性突起、１６……回転治具、１６
ａ……切欠き、１７……取付基板。

Claims (1)

  1. 【特許請求の範囲】 １ 柱部と、該柱部の一端に一体的に設けられた
    円板状のフランジ部を備えた樹脂製回転溶着部材
    において； 前記フランジ部の肉厚を中心から外周方向に向
    つて漸減したことを特徴とする樹脂製回転溶着部
    材。
JP61173130A 1986-07-23 1986-07-23 樹脂製回転溶着部材 Granted JPS6328634A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61173130A JPS6328634A (ja) 1986-07-23 1986-07-23 樹脂製回転溶着部材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61173130A JPS6328634A (ja) 1986-07-23 1986-07-23 樹脂製回転溶着部材

Publications (2)

Publication Number Publication Date
JPS6328634A JPS6328634A (ja) 1988-02-06
JPH0426297B2 true JPH0426297B2 (ja) 1992-05-07

Family

ID=15954678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61173130A Granted JPS6328634A (ja) 1986-07-23 1986-07-23 樹脂製回転溶着部材

Country Status (1)

Country Link
JP (1) JPS6328634A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10046513B2 (en) 2016-01-08 2018-08-14 Takehiro Co., Ltd. Spin weld part and spin welding method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5688568B2 (ja) * 2008-07-15 2015-03-25 山野井精機株式会社 被加工金属部材に突起を形成する突起形成方法
CA2819210A1 (en) 2010-11-30 2012-06-07 Mitsubishi Gas Chemical Company, Inc. Molded article having excellent fuel barrier properties

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10046513B2 (en) 2016-01-08 2018-08-14 Takehiro Co., Ltd. Spin weld part and spin welding method

Also Published As

Publication number Publication date
JPS6328634A (ja) 1988-02-06

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