JPH0444897B2 - - Google Patents

Info

Publication number
JPH0444897B2
JPH0444897B2 JP62177192A JP17719287A JPH0444897B2 JP H0444897 B2 JPH0444897 B2 JP H0444897B2 JP 62177192 A JP62177192 A JP 62177192A JP 17719287 A JP17719287 A JP 17719287A JP H0444897 B2 JPH0444897 B2 JP H0444897B2
Authority
JP
Japan
Prior art keywords
welding
ultrasonic
plastics
plastic
ultrasonic 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
JP62177192A
Other languages
English (en)
Other versions
JPS6422536A (en
Inventor
Yoshiki Hashimoto
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.)
Kaijo Corp
Original Assignee
Kaijo 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 Kaijo Corp filed Critical Kaijo Corp
Priority to JP62177192A priority Critical patent/JPS6422536A/ja
Publication of JPS6422536A publication Critical patent/JPS6422536A/ja
Publication of JPH0444897B2 publication Critical patent/JPH0444897B2/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
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C66/001—Joining in special atmospheres
    • 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
    • B29C66/001—Joining in special atmospheres
    • B29C66/0012—Joining in special atmospheres characterised by the type of environment
    • B29C66/0016—Liquid environments, i.e. the parts to be joined being submerged in a liquid
    • 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
    • B29C66/472—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
    • B29C66/73—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
    • B29C66/73115—Melting point
    • 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
    • B29C66/73115—Melting point
    • B29C66/73116—Melting point of different melting point, i.e. the melting point of one of the parts to be joined being different from the melting point 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
    • B29C66/70—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
    • B29C66/71—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
    • 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
    • B29C66/73921—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 characterised by the materials of both parts being thermoplastics
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、プラスチツク相互を超音波により溶
接する方法に関するものである。
〔従来の技術〕
従来、プラスチツク相互を超音波溶接する場合
には、互に接合すべきプラスチツクの被溶接物を
重ねて作業台上に載せ、上方の被溶接物に超音波
振動子のホーンの先端を当て、加圧しながら超音
波振動を与え、相互接触部の溶接を行う。
〔発明が解決しようとする問題点〕
プラスチツクの超音波溶接に当たつては超音波
振動による被溶接物相互の摩擦熱により溶着が行
われる、と考えられており、摩擦熱によりプラス
チツク表面を溶融点より高い温度に加熱して溶融
して接着せしめる。
ところが、溶融点が低い塩化ビニールなどを超
音波溶接する際に、小さなエネルギでも溶融し易
く、さらに炭化し易く、変色を生じたりするトラ
ブルを生じ、特に比較的薄い板やシートを重ね合
わせる場合などには、良好な仕上がり状態で溶接
と行うのに、ホーンの振幅の選定や施行時間の選
定が容易ではなかつた。
特に、溶融点が異なるプラスチツクを相互に溶
接する場合には、溶融点の高い方のプラスチツク
に合うように大きな振幅を与えたり、施行時間を
長くすると、融点の低いプラスチツクが接合面付
近で炭化をして流れ出したりして接合が良好とな
らず、変色により商品価値を損ね、特に透明なシ
ートを接合するときなど変色は致命的な欠陥とな
る、などの問題点があつた。
本発明は、従来の方法の上記の問題点を解決
し、溶融点の低いプラスチツクの溶接、あるいは
溶融点の差のあるプラスチツクの溶接においても
炭化、変色或いは溶融物の流出などが起こらず、
かつ、適当な施行条件の調節が容易なプラスチツ
クの超音波溶接方法を提供することを目的とする
ものである。
〔問題点を解決するための手段〕
本発明は、互に接合すべきプラスチツクの被溶
接物を水中に浸漬した状態で超音波溶接を行うこ
とを特徴とするプラスチツクの超音波溶接方法で
ある。
〔実施例〕
本発明に基づく作用効果を確認した実験例につ
いて説明する。
第１図に示す如く、台１上の容器２の中に水３
を入れ、その中に被溶接物であるプラスチツク材
４及び５を重ねて浸漬し、超音波振動子６のホー
ン７の先端を加圧しながら当接して超音波溶接を
行つた。プラスチツク材４は厚さ２mmのABS樹
脂、プラスチツク材５は厚さ0.5mmの塩化ビニー
ルである。ホーン７は直径20mmであり、加圧力約
60Kg／cm2において振幅50μmp.pにて超音波溶接を
行つた。
先ず、従来の方法の如く、水３なしで、空中に
おいて超音波溶接を行つた場合に、加工時間が
0.3秒を越えると接合部付近で塩化ビニールの炭
化を生じ、真黒に変色し、さらに黒色の溶融材料
が接合部（ホーン７が当接した範囲）よりも外に
流出する。
次に水３を入れて、プラスチツク材４，５を水
中に浸漬した状態で超音波加工を行うと、加工時
間が0.9秒程度までは炭化、変色或いは流出を生
ぜず、透明な塩化ビニールでもそのまま、着色せ
ずに溶接による接合が行われた。
このように水中で超音波溶接を行うと、溶接の
施行条件の範囲が広くなり、調節が容易となる。
〔発明の効果〕
本発明は、水中でプラスチツクの超音波溶接を
行うようにしたことにより、溶融点の低い材料で
も、溶融点が異なる材料相互でも、炭化、変色、
材料流出を生ずることなく溶接を行うことがで
き、また、良好な溶接を行う施行条件の調節が容
易となり、実用上極めて大なる効果を奏する。
【図面の簡単な説明】
第１図は効果確認の実験に用いた本発明を実施
する装置の一例の説明図である。 １…台、２…容器、３…水、４，５…プラスチ
ツク材、６…超音波振動子、７…ホーン。

Claims (1)

    【特許請求の範囲】
  1. １ 互に接合すべきプラスチツクの被溶接物を水
    中に浸漬した状態で超音波溶接を行うことを特徴
    とするプラスチツクの超音波溶接方法。
JP62177192A 1987-07-17 1987-07-17 Ultrasonic welding method of plastic Granted JPS6422536A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62177192A JPS6422536A (en) 1987-07-17 1987-07-17 Ultrasonic welding method of plastic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62177192A JPS6422536A (en) 1987-07-17 1987-07-17 Ultrasonic welding method of plastic

Publications (2)

Publication Number Publication Date
JPS6422536A JPS6422536A (en) 1989-01-25
JPH0444897B2 true JPH0444897B2 (ja) 1992-07-23

Family

ID=16026786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62177192A Granted JPS6422536A (en) 1987-07-17 1987-07-17 Ultrasonic welding method of plastic

Country Status (1)

Country Link
JP (1) JPS6422536A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5610103A (en) * 1995-12-12 1997-03-11 Applied Materials, Inc. Ultrasonic wave assisted contact hole filling
CN103660282B (zh) * 2013-12-02 2016-07-06 南京航空航天大学 一种热塑性塑料搅拌摩擦焊接装置及焊接方法
DE102019114446A1 (de) 2019-05-29 2020-12-03 Airbus Operations Gmbh System und Verfahren zum Verschweißen von zwei thermoplastischen Werkstücken
US12370749B2 (en) 2022-12-09 2025-07-29 Branson Ultrasonics Corporation Contained welding

Also Published As

Publication number Publication date
JPS6422536A (en) 1989-01-25

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