JPH03234521A - 超音波溶接材および超音波溶接方法 - Google Patents

超音波溶接材および超音波溶接方法

Info

Publication number
JPH03234521A
JPH03234521A JP2030197A JP3019790A JPH03234521A JP H03234521 A JPH03234521 A JP H03234521A JP 2030197 A JP2030197 A JP 2030197A JP 3019790 A JP3019790 A JP 3019790A JP H03234521 A JPH03234521 A JP H03234521A
Authority
JP
Japan
Prior art keywords
ultrasonic welding
zinc oxide
ultrasonic
welding
welded
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.)
Pending
Application number
JP2030197A
Other languages
English (en)
Inventor
Minoru Yoshinaka
芳中　實
Hidenosuke Nakamura
中村　秀之助
Makoto Kobayashi
誠 小林
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2030197A priority Critical patent/JPH03234521A/ja
Publication of JPH03234521A publication Critical patent/JPH03234521A/ja
Pending 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
    • B29C66/01—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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1226—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least one bevelled joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove 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
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12443—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue having the tongue substantially in the middle
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12445—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue having the tongue on the side
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12469—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being asymmetric
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1282—Stepped joint cross-sections comprising at least one overlap joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1286—Stepped joint cross-sections comprising at least one bevelled joint-segment
    • 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
    • B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential 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
    • B29C66/70—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
    • B29C66/73—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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、超音波溶接材および超音波溶接方法に関する
ものである。さらに詳しくは、超音波溶接装置を用い、
発生した超音波エネルギーを吸収し、溶接箇所を加熱溶
接させる超音波溶接材および超音波溶接方法に関するも
のである。
［従来の技術］ 従来、超音波の振動エネルギーを熱可塑性のプラスチッ
ク（立体成型品、シート、フィルムなど）に印加し、そ
の振動エネルギーでプラスチックの内部で自己発熱させ
、接着材を用いずに、プラスチック接着面を溶着させる
超音波プラスチック溶接装置が多く使用されていた。こ
の超音波プラスチック溶接装置は、１５〜７０ＫＨｚ程
度の超音波周波数で出力５０Ｗ〜数ＫＷまでの電気振動
エネルギーを発生させる発振器と、この電気振動エネル
ギーを機械振動エネルギーに変換する振動子と、この機
械振動振幅を溶着可能な振幅に増大、縮小又は無変換さ
せ、かつプレスに装着させるための固定ホーンまたはブ
ースターと、振動エネルギーをプラスチックに押当て送
り込むためのプレス装置とを具備したものである。
この超音波プラスチック溶接装置を用い、かつ溶接面に
合せた先端形状を有し最適溶接結果が得られるようにす
る工具ホーンを用い、超音波を加えた部分すなわち工具
ホーンの先端から離れた箇所を溶着する伝達溶着法があ
り、この方法での超音波の伝達性は材質、温度、周波数
で決まり、ホーンからプラスチックへの伝達性は重量と
周波数により決定される。
［発明が解決しようとする課題］ これら従来の方法では、超音波エネルギーをいかに効率
良く伝達し溶着部に集中させるかが課題であり、最終的
には溶着後の強度、信頼性の他外観（パリ、傷等）を更
に良好なものにする必要があった。
本発明はこれら従来の課題を解決するもので、溶着性、
溶着後外観、溶着強度を向上させることを目的とするも
のである。
［課題を解決するための手段］ 前記目的を達成するため本発明は下記の構成からなる。
すなわち本発明は、超音波溶接用溶接材として、少なく
とも酸化亜鉛ウィスカーを含むことを特徴とする超音波
溶接材、および超音波溶接装置を用い、発生した超音波
エネルギーを超音波溶接材または被溶接材に加えると共
に、前記超音波溶接材または被溶接材の溶接箇所に配置
した酸化亜鉛ウィスカーにも前記超音波エネルギーを加
え、溶接箇所を加熱溶融させて溶接させることを特徴と
する超音波溶接方法である。
なお、前記本発明において、酸化亜鉛ウィスカーは基部
から先端までの長さが３μｍ以上であることが好ましい
。また酸化亜鉛ウィスカーは核部とこの核部から異なる
複数軸方向に伸びた針状結晶部を具備したものであるこ
とが好ましい。さらに酸化亜鉛ウィスカーは複数軸方向
に伸びた針状結晶部の軸数が４であることが好ましい。
また本発明の超音波溶接材は酸化亜鉛ウィスカーを保持
材により保持または保持材中に混合／分散のいずれかま
たは組合せた形態としたものであることが好ましい。
［作用］ 前記本発明の構成によれば、本発明の超音波溶接材また
は被溶接材は従来に比して、はるかに高効率、高性能な
熱溶接が可能となるものである。
すなわち、酸化亜鉛ウィスカーは３次元構造のテトラボ
ッド形状であり、金属酸化物中でも稀な程、高比重（約
５．８）であり、圧電性を有する半導電性単結晶である
ため超音波エネルギーを吸収すると高効率に熱エネルギ
ーへ変換するものである。したがって、超音波溶接材ま
たは被溶接材は保持材自体または被溶接材自体の加熱溶
融に加えて、酸化亜鉛ウィスカーの加熱エネルギーが高
効率に作用し、超音波溶接の高品質化、高性能化が可能
になるものである。
［実施例］ 以下、本発明の一実施例につき、図面第１図〜第３（ａ
）〜げ）に沿って詳細に説明する。
第１図は、本実施例に用いる酸化亜鉛ウィスカー１の電
子顕微鏡写真で、生成品の一例を示しており、テトラボ
ッド形状、寸法的特徴が明確に認められる。すなわち酸
化亜鉛ウィスカー１は、核部とこの核部から異なる複数
軸方向に伸びた針状結晶部を具備したテトラボッド形状
であり、この酸化亜鉛ウィスカー１は表面に酸化被膜を
有する金属亜鉛粉末を酸素を含む雰囲気下で加熱処理し
て生成することができる。このようにして得られたテト
ラボッド状酸化亜鉛ウィスカー１は、みかけの嵩比重が
０．０２〜０．１を有し、７０Ｗｔ％以上の高収率で極
めて量産的に生成できるものである。第１図において、
前記テトラボッド形状の酸化亜鉛ウィスカーの針状結晶
部が、３軸、２軸、１軸のものが混入する場合もあるが
、これは元来４軸の結晶の一部が折損したものである。
このテトラボッド状酸化亜鉛ウィスカー１のＸ線回折図
をとると、全てＺｎＯのピークを示し、また電子線回折
の結果も、転移、格子欠陥の少ないものであった。さら
に原子吸光分析の結果、ＺｎＯが９９．９８％であった
。
一方、単純な針状の酸化亜鉛ウィスカーも生成すること
ができ、例えば金属亜鉛粉末を木炭等と同時に焼成して
、坩堝の壁面等に生成させることができる。
つぎに超音波エネルギーの振動エネルギー吸収性能の点
から針状結晶部の長さが３μｍより小さな酸化亜鉛ウィ
スカーが大きな割合を占める系は好ましくない。好まし
くは、針状結晶部の長さが３０μ口以上の酸化亜鉛ウィ
スカーを用いるのが望ましい。さらに望ましくは、長さ
５０μｍ以上の酸化亜鉛ウィスカーを用いるのが望まし
い。また酸化亜鉛ウィスカーのアスペクト比は平均で３
以上が望ましく、さらに望ましくは平均で１０以上が望
ましい。また針状結晶部の基部の径で、先端部の径を除
いた値は、０．８μｍ以下が超音波エネルギーの振動エ
ネルギー吸収特性から望ましく、好ましくは０６５μｍ
以下さらに０．１μｍ以下が望ましい。
第２図（ａ）〜（ｇ）はそれぞれ超音波溶接を行うダイ
レクトタイプの溶着部形状説明図である。２は前記酸化
亜鉛ウィスカー１を溶接箇所に混合／分散した超音波溶
接材で、保持材としてプラスチック、金属、ゴムまたは
接着材を用い、管体、棒体、板体、シート体またはフィ
ルム体とし、溶接端面が平面、曲面、凹凸面またはテー
パ面のいずれかまたは組合せたものである。
なお保持材を被溶接材として酸化亜鉛ウィスカー１を混
合／分散しない場合には、溶接箇所に酸化亜鉛ウィスカ
ー１をサンドイッチ状に挟持させても良い。
第３図（ａ）〜（ｆ）はそれぞれ超音波溶接を行うシェ
アジヨイントタイプの溶着部形状説明図である。
第３図において、３は前記酸化亜鉛ウィスカー１を溶接
箇所に混合／分散した超音波溶接材で、保持材としてプ
ラスチック、金属、ゴムまたは接着材を用い、管体、棒
体、板体、シート体またはフィルム体とし、溶接端面が
平面、曲面、凹凸面またはテーパ面のいずれかまたは組
合せたものである。
なお保持材を被溶接材として酸化亜鉛ウィスカー１を混
合／分散しない場合には、溶接箇所に酸化亜鉛ウィスカ
ー１をサンドイッチ状に挟持させても良い。
これらの超音波溶接材２．３の保持材中における酸化亜
鉛ウィスカーはテトラボッド形状を具備している場合に
最も大きな効果が期待できるが、実際には一部が単純な
針状にまで折損したり、大部分が折損する場合もあるが
、摩擦熱を増大させることに変わりはない。
そして、このような超音波溶接材２．３または被溶接材
の溶接箇所に酸化亜鉛ウィスカー１を配置し、１５〜７
０ＫＨｚの超音波周波数を機械振動エネルギーとして印
加する超音波溶接装置（図示せず）を用い、超音波溶接
を行うものである。
超音波溶接装置（図示せず）は出力１０〜５０Ｗ／−程
度のエネルギー密度で使用されているが、耐圧容器や新
材料により１００〜１０００Ｗ／ａｌのものが必要であ
る。
なお、本発明において、超音波溶接材中に存在させる酸
化亜鉛ウィスカーの含有量はどのような量であってもよ
いが、好ましくは１ｗｔ％以上、さらに好ましくは５ｗ
ｔ％以上である。
［発明の効果］ 以上説明した通り本発明によれば、酸化亜鉛ウィスカー
を溶接箇所に用いることにより、超音波エネルギーによ
る機械振動エネルギーを熱エネルギーに変換して、加熱
溶融を促進し、溶接時間を短縮させ、かつ溶接箇所の強
度を酸化亜鉛ウィスカーのランダム配向により、著しく
増大させると共に溶着後外観が美しくなる効果を奏する
ものである。
さらに本発明の超音波溶接方法は、超音波溶接装置を用
い、超音波エネルギーによる機械振動エネルギーを酸化
亜鉛ウィスカーにより熱エネルギーに変換させ、加熱溶
融を促進させるため、溶接時間の短縮、溶接出力の調節
により溶接効率を高め、量産性および溶接品質の向上に
優れた効果を奏するものである。
また前記した本発明の好ましい以下の構成によれば、酸
化亜鉛ウィスカーの基部から先端までの長さが３μｍ以
上であるものを使用することにより、酸化亜鉛ウィスカ
ーの強度が増加しさらに効率的な溶接が可能になる。ま
た酸化亜鉛ウィスカーが、核部と、この核部から異なる
複数軸方向に伸びた針状結晶部を具備したものを使用す
ることにより、さらに効率的な溶接が可能になる。また
複数軸方向に伸びた針状結晶部の軸数が４であるものを
使用することによ、さらに効率的な溶接が可能になる。
また酸化亜鉛ウィスカーを保持材により保持または保持
材中に混合／分散のいずれかまたは組合せた形態とした
ので、溶接材として使用しやすいものとなる。さらに、
保持材が、プラスチック、金属、ゴムまたは接着剤から
選ばれるものとしたので、各種の溶接用途に使用できる
。
また保持材が、管体、棒体、板体、シート体またはフィ
ルム状であり、溶接端面が平面、曲面、凹凸面またはテ
ーパ面のいずれかまたは組合せたものであるので、溶接
材として使用しやすいものとすることができる。
【図面の簡単な説明】
第１図は本発明の実施例に用いる酸化亜鉛ウィスカーの
結晶の構造を示す電子顕微鏡写真、第２図（ａ）〜（ｇ
）および第３図（ａ）〜げ）はそれぞれ本発明の超音波
溶接方法を実施する溶着部形状説明図である。 に酸化亜鉛ウィスカー ２．３：超音波溶接材 に酸化亜鉛ウィスカー ２．３：超音波溶接材 （ａｌ （ｂｌ （Ｃ） 第１図 （ｄ） （ｅ） 第２図 （ｅ） 第３

Claims (8)

    【特許請求の範囲】
  1. （１）超音波溶接用溶接材として、少なくとも酸化亜鉛
    ウィスカーを含むことを特徴とする超音波溶接材。
  2. （２）酸化亜鉛ウィスカーの基部から先端までの長さが
    ３μｍ以上である請求項１記載の超音波溶接材。
  3. （３）酸化亜鉛ウィスカーが、核部と、この核部から異
    なる複数軸方向に伸びた針状結晶部を具備した請求項１
    記載の超音波溶接材。
  4. （４）複数軸方向に伸びた針状結晶部の軸数が４である
    請求項３記載の超音波溶接材。
  5. （５）酸化亜鉛ウィスカーを保持材により保持または保
    持材中に混合／分散のいずれかまたは組合せた形態とし
    た請求項１記載の超音波溶接材。
  6. （６）保持材が、プラスチック、金属、ゴムまたは接着
    剤である請求項５記載の超音波溶接材。
  7. （７）保持材が、管体、棒体、板体、シート体またはフ
    ィルム状であり、溶接端面が平面、曲面、凹凸面または
    テーパ面のいずれかまたは組合せたものである請求項６
    記載の超音波溶接材。
  8. （８）超音波溶接装置を用い、発生した超音波エネルギ
    ーを超音波溶接材または被溶接材に加えると共に、前記
    超音波溶接材または被溶接材の溶接箇所に配置した酸化
    亜鉛ウィスカーにも前記超音波エネルギーを加え、溶接
    箇所を加熱溶融させて溶接させることを特徴とする超音
    波溶接方法。
JP2030197A 1990-02-09 1990-02-09 超音波溶接材および超音波溶接方法 Pending JPH03234521A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2030197A JPH03234521A (ja) 1990-02-09 1990-02-09 超音波溶接材および超音波溶接方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2030197A JPH03234521A (ja) 1990-02-09 1990-02-09 超音波溶接材および超音波溶接方法

Publications (1)

Publication Number Publication Date
JPH03234521A true JPH03234521A (ja) 1991-10-18

Family

ID=12297026

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JPH03234521A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011016281A (ja) * 2009-07-08 2011-01-27 Hajime Sangyo Kk 樹脂成形体の接合構造
CN114774913A (zh) * 2022-05-16 2022-07-22 南京航空航天大学 一种飞机发动机叶片的维修装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011016281A (ja) * 2009-07-08 2011-01-27 Hajime Sangyo Kk 樹脂成形体の接合構造
CN114774913A (zh) * 2022-05-16 2022-07-22 南京航空航天大学 一种飞机发动机叶片的维修装置
CN114774913B (zh) * 2022-05-16 2023-11-10 南京航空航天大学 一种飞机发动机叶片的维修装置

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