JP2016049570A - サーボモータおよび遅延運動手法を使用した超音波プレス機 - Google Patents
サーボモータおよび遅延運動手法を使用した超音波プレス機 Download PDFInfo
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- JP2016049570A JP2016049570A JP2015168740A JP2015168740A JP2016049570A JP 2016049570 A JP2016049570 A JP 2016049570A JP 2015168740 A JP2015168740 A JP 2015168740A JP 2015168740 A JP2015168740 A JP 2015168740A JP 2016049570 A JP2016049570 A JP 2016049570A
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- ultrasonic
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- 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
- B29C66/9511—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 by measuring their vibration frequency
-
- 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
- B29C66/9512—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 by controlling their vibration frequency
-
- 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
- B29C66/9516—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 by controlling their vibration amplitude
-
- 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
- B29C66/959—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables
- B29C66/9592—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables in explicit relation to another variable, e.g. X-Y diagrams
-
- 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
- B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
- B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
-
- 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
- B29C65/82—Testing the joint
- B29C65/8207—Testing the joint by mechanical methods
- B29C65/8215—Tensile tests
-
- 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
- B29C66/93—Measuring or controlling the joining process by measuring or controlling the speed
- B29C66/934—Measuring or controlling the joining process by measuring or controlling the speed by controlling or regulating the speed
- B29C66/93431—Measuring or controlling the joining process by measuring or controlling the speed by controlling or regulating the speed the speed being kept constant over time
-
- 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
-
- 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
- B29C66/9517—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 amplitude values or ranges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Description
[0001]本出願は、その全体が参照により本明細書に組み込まれる、2014年8月28日出願の米国特許出願第14/471,895号の優先権を主張する。
・トランスデューサ20によって生成された機械的振動のゲイン(すなわち、出力振幅)を変化させる、ブースタ21、および、
・ブースタ21から溶接する部品へ機械的振動を伝達する、ホーン22。
・振動の振幅を増幅して、所望の先端振幅を熱可塑性加工物および溶接プロセス要件に提供する、および、
・接合面が融解したときに溶接させるのに必要な圧力を印加する。
11 リニアアクチュエータ
12 主ハウジング
13 補助ハウジング
14 垂直カラム
15 基部
16 制御パネル
20 トランスデューサ
21 ブースタ
22 ホーン
23 コネクタ
24 高電圧同軸ケーブル
30 サーボモータ
30a モータ出力軸
31 コンバータ
31a アクチュエータロッド
32 トルクセンサ
33 信号調節回路
34 運動制御器
34a 駆動増幅器
35 電源
36 位置センサ
37 電気ブレーキ
38 直接駆動式リニアサーボモータ
40 荷重セル
41 ロータリエンコーダ
42 外部制御装置
W1 加工物
W2 加工物
Claims (15)
- 加工物に振動エネルギーを印加することによって溶接動作を開始するために制御入力に応答して運動可能な超音波溶接スタックと、
少なくとも1つの制御変数を測定し、前記少なくとも1つの制御変数に対応する制御信号を出力するための1つまたは複数のセンサと、
前記超音波溶接スタックに連結され、制御された前進運動を前記超音波溶接スタックに行わせる運動制御システムであって、前記1つまたは複数のセンサから受信した1つまたは複数の制御信号に基づいた前記制御入力に応答して、
前記溶接動作を開始させ、
前記溶接動作の前記開始に続いて、各制御変数が既定条件を満たしたことを前記制御信号のうちの1つまたは複数が示すまで、前記超音波溶接スタックの任意の前進運動を任意に初期遅延させ、
前記任意の初期遅延および前記既定条件を満たしたことへの応答に続いて、前記超音波溶接スタックを溶接プロファイルに従って前進させ、
前記溶接プロファイルに従う前記超音波溶接スタックの運動に続いて、既定の遅延開始条件の発生に応答して前記超音波溶接スタックに前進運動を停止させ、静止位置に維持させ、
既定の遅延終了条件の発生に応答して、前記溶接プロファイルに従って前記超音波溶接スタックの前進運動を再開させる、運動制御システムと
を備える超音波溶接システムであって、
振動エネルギーが、前記超音波溶接スタックが停止している間、および前記溶接スタックの前記前進運動が続いている間、前記加工物に印加され続ける、
超音波溶接システム。 - 前記運動制御システムがさらに、前記超音波溶接スタックの前記前進運動を再開させることに続いて、
前記超音波溶接スタックに、別の1つまたは複数の既定の遅延開始条件の発生に応答して、少なくとももう一度前進運動を停止させ、別の静止位置に維持させることと、
別の1つまたは複数の遅延終了条件の発生に応答して、前記溶接プロファイルに従って前記超音波溶接スタックの前記前進運動を再び再開させることと
を含む、請求項1に記載の超音波溶接システム。 - 1つまたは複数のセンサのうちの少なくとも1つがリニアアクチュエータ可動要素による力出力を感知し、前記既定の遅延開始条件が規定の力であり、前記既定の遅延終了条件が前記規定の力に対する力の規定の変化である、請求項1に記載の超音波溶接システム。
- 前記1つまたは複数のセンサが前記溶接の開始点から通過した距離およびリニアアクチュエータ可動要素による力出力を感知し、前記既定の遅延開始条件が規定の距離であり、前記既定の遅延終了条件が前記既定の遅延開始条件の発生時に感知された力に対する力の規定の変化である、請求項1に記載の超音波溶接システム。
- 前記1つまたは複数のセンサが前記超音波溶接スタックのトランスデューサへの電力入力およびリニアアクチュエータ可動要素による力出力を感知し、前記既定の遅延開始条件が規定の電力であり、前記既定の遅延終了条件が前記既定の遅延開始条件の発生時に感知された力に対する力の規定の変化である、請求項1に記載の超音波溶接システム。
- 前記1つまたは複数のセンサのうちの少なくとも1つが前記超音波溶接スタックのトランスデューサへの電力入力を感知し、前記既定の遅延開始条件が規定の電力であり、前記既定の遅延終了条件が前記規定の電力に対する電力の規定の変化である、請求項1に記載の超音波溶接システム。
- 前記1つまたは複数のセンサが前記超音波溶接スタックのトランスデューサへの電力入力およびリニアアクチュエータ可動要素による力出力を感知し、前記既定の遅延開始条件が規定の累積電力であり、前記既定の遅延終了条件が前記既定の遅延開始条件の発生時に感知された力に対する力の規定の変化である、請求項1に記載の超音波溶接システム。
- 前記1つまたは複数のセンサのうちの1つがリニア可動要素による力出力を感知し、前記1つまたは複数のセンサのうちの別の1つが前記既定の遅延開始条件の発生からの経過時間を追跡し、前記既定の遅延開始条件が規定の力であり、前記既定の遅延終了条件が規定の経過時間である、請求項1に記載の超音波溶接システム。
- 前記1つまたは複数のセンサのうちの1つが溶接の開始点から通過した距離を感知し、前記1つまたは複数のセンサのうちの別の1つが前記既定の遅延開始条件の発生からの経過時間を追跡し、前記既定の遅延開始条件が規定の距離であり、前記既定の遅延終了条件が規定の経過時間である、請求項1に記載の超音波溶接システム。
- 前記1つまたは複数のセンサのうちの1つが前記超音波溶接スタックのトランスデューサへの電力入力を感知し、前記1つまたは複数のセンサのうちの別の1つが前記既定の遅延開始条件の発生からの経過時間を追跡し、前記既定の遅延開始条件が規定の電力であり、前記既定の遅延終了条件が規定の経過時間である、請求項1に記載の超音波溶接システム。
- 前記1つまたは複数のセンサのうちの1つが前記超音波溶接スタックのトランスデューサへの電力入力を感知し、前記1つまたは複数のセンサのうちの別の1つが前記既定の遅延開始条件の発生からの経過時間を追跡し、前記既定の遅延開始条件が規定の累積電力であり、前記既定の遅延終了条件が規定の経過時間である、請求項1に記載の超音波溶接システム。
- 制御入力に応答して超音波溶接スタックを運動させて加工物に振動エネルギーを印加することによって溶接動作を開始させるステップと、
1つまたは複数のセンサを介して、少なくとも1つの制御変数を測定し、対応する制御信号を出力するステップと、
運動制御システムを介して、制御された前進運動を前記超音波溶接スタックに行わせるステップと、
前記運動制御システムを介して、前記1つまたは複数のセンサから受信した1つまたは複数の制御信号に基づいた前記制御入力を決定するステップと、
前記運動制御システムを介して、前記超音波溶接スタックを溶接プロファイルに従って前進させるステップと、
前記溶接プロファイルに従う前記超音波溶接スタックの前進に続いて、前記運動制御システムを介して、既定の遅延開始条件の発生に応答して前記超音波溶接スタックに前進運動を停止させ、静止位置に維持させるステップと、
前記運動制御システムを介して、既定の遅延終了条件の発生に応答して前記溶接プロファイルに従って前記超音波溶接スタックの前進運動を再開させるステップと
を備える溶接動作のための方法であって、
振動エネルギーが、前記超音波溶接スタックが停止している間、および前記溶接スタックの前進運動が続いている間、前記加工物に印加され続ける、
方法。 - 前記溶接動作の前記開始に続いて、かつ前記超音波溶接スタックに前進運動を停止させるより前に、各制御変数が既定条件を満たしたことを前記制御信号のうちの1つまたは複数が示すまで、前記運動制御システムを介して、前記超音波溶接スタックのいかなる前進運動も初期遅延させるステップと、
前記初期遅延および前記既定条件を満たしたことへの応答に続いて、前記運動制御システムを介して、溶接プロファイルに従って前記超音波溶接スタックを前進させるステップと
をさらに備える、請求項12に記載の方法。 - 前記超音波溶接スタックの前記前進運動を再開させることに続いて、前記超音波溶接スタックに、別の1つまたは複数の既定の遅延開始条件の発生に応答して、少なくとももう一度前進運動を停止させ、別の静止位置に維持させるステップと、
別の1つまたは複数の規定の遅延終了条件の発生に応答して、前記溶接プロファイルに従って前記超音波溶接スタックの前記前進運動を再び再開させるステップと
をさらに備える、請求項12に記載の方法。 - 前記1つまたは複数のセンサが、
(a)リニアアクチュエータ可動要素による力出力
(b)サーボモータの出力トルク
(c)前記超音波溶接スタックの位置
(d)溶接の開始点から通過した距離
(e)前記超音波溶接スタックのトランスデューサへの電力入力
(f)前記超音波溶接スタックの前記トランスデューサへの累積電力入力
(g)前記超音波溶接スタックの周波数
(h)前記超音波溶接スタックの前記トランスデューサの位相
(i)前記溶接動作の前記開始後の経過時間
からなる群から選択された1つまたは複数のパラメータを感知し、
前記既定の遅延開始条件が、規定の
(1)力
(2)出力トルク
(3)位置
(4)距離
(5)電力
(6)累積電力
(7)周波数
(8)位相
(9)経過時間
のうちの1つまたは複数を含み、
前記既定の遅延終了条件が、
(i)力
(ii)出力トルク
(iii)電力
(iv)累積電力
(v)周波数
(vi)位相
(vii)経過時間
の規定の絶対値または相対値のうちの1つまたは複数を含み、
前記相対値に対する基準が、前記既定の遅延開始条件の発生時に感知した各パラメータのレベルである、
請求項12に記載の方法。
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US14/471,895 US9144937B2 (en) | 2006-05-08 | 2014-08-28 | Ultrasonic press using servo motor with delayed motion |
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US20180186084A1 (en) * | 2016-07-26 | 2018-07-05 | T.A. Systems, Inc. | Method and apparatus for ultrasonic welding |
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JP6685669B2 (ja) | 2020-04-22 |
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EP2990182A3 (en) | 2016-05-18 |
CN105383052A (zh) | 2016-03-09 |
EP2990182A2 (en) | 2016-03-02 |
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PL2990182T3 (pl) | 2019-04-30 |
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