JP4880617B2 - 超音波溶接システムのギャップ調節 - Google Patents
超音波溶接システムのギャップ調節 Download PDFInfo
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- JP4880617B2 JP4880617B2 JP2007549678A JP2007549678A JP4880617B2 JP 4880617 B2 JP4880617 B2 JP 4880617B2 JP 2007549678 A JP2007549678 A JP 2007549678A JP 2007549678 A JP2007549678 A JP 2007549678A JP 4880617 B2 JP4880617 B2 JP 4880617B2
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- horn
- gap
- anvil
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- length
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Images
Classifications
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- 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
- B29C66/81—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
- B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
- B29C66/8181—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
- B29C66/81811—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
- B29C66/81812—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws the welding jaws being cooled from the outside, e.g. by blowing a gas or spraying 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
- B29C66/90—Measuring or controlling the joining process
- B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/929—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement 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
- B29C66/9511—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Description
ギャップの長さ=D−L
式中、Dは、ホーン108の上部と、アンビル110のワークピース支持表面210との間の距離を表し、Lは、ホーンの長さを表す。
まず、上述したような回転超音波システムの場合、以下のパラメータを求めた。
(1)ホーンの直径=6.880”(174.75mm)
(2)周囲温度°F=65°F(18.3℃)
(3)周囲温度での周波数=19.986KHz
(4)ギャップ設定時の圧力=72.5psig(500kPa)
(5)プロセスのギャップ設定点=2ミル(1ミル=0.001インチ)
ホーンの材料特性は既知である。
(6)熱膨張率α
αTitanium=5.4×10-6°F/インチ/インチ
αAluminium=5.4×10-5°F/インチ/インチ
(式2)λmin=−0.0017*Tfinal+20.096
(式3)λ=0.0965*ギャップ+19.7925
(式4)Pcompensation=−367.3404*λ+7412.7731−Psetpoint
式中、Pcompensationは、システムにかかる圧力(平方インチゲージ当たりのポンド)の減圧量であり、λは、式3から求めた周波数であり、Psetpointは、初期ギャップ設定点での圧力である。
まず、式(3)から1ミルでのギャップの周波数を計算する(すでに求めたように、この値は、19.889KHzである)。次に、それらの値を式4に代入すると、
Pcompensation=−367.3404(19.889)+7412.7731−72.5
=106.7399−72.5
Pcompensation=34.24psig(236.3kPa)(動作圧力の減圧量)
(式5)Pcompensation=35.461*(圧力補償でのギャップ)+142.205
圧力補償でのギャップ=(34.24−142.205)/−35.461=3.045ミル(0.0773mm)
Claims (7)
- ホーンとアンビルとの間にギャップが形成されるように、前記ホーンを前記アンビルに近接させて位置決めするステップと、
前記ホーンを前記アンビルに向けて付勢するように、前記ホーンに付勢力を加えるステップと、
前記付勢力を加えることにより、前記ホーンに作動的に接続された部材が変形可能な止め具に当接して前記止め具を変形するような場所に、前記変形可能な止め具を位置決めするステップと、
前記変形可能な止め具の変形の程度を調節しかつ前記ホーンと前記アンビルとの間のギャップを実質一定に維持すべく、前記ホーンの動作中に前記付勢力を繰り返し調節するステップと、を含み、
前記ギャップが前記ホーンの共振周波数に基づいて監視される、方法。 - 前記ホーンと前記アンビルとの間のギャップに基づいて、前記調節された付勢力を計算するステップをさらに含み、
前記調節された付勢力が、前記変形可能な止め具の剛性にさらに基づいたものである、請求項1に記載の方法。 - 前記ホーンの温度に基づいて、前記ホーンと前記アンビルとの間のギャップを監視するステップをさらに含み、
前記ホーンに前記付勢力を加えるステップが、前記部材に作動的に接続されたブラダを膨張させることを含む、請求項1に記載の方法。 - 前記ホーンと前記アンビルとの間のギャップに基づいて、前記調節された付勢力と既知の関係にある量を決定するステップをさらに含み、
前記調節された付勢力と既知の関係にある量を決定するステップが、前記ギャップに対応する前記調節された付勢力を得るために表にアクセスすること、又は、前記ギャップに対応する制御信号値を得るために表にアクセスすることを含む、請求項1に記載の方法。 - 並進部材および固定された弾性変形可能な止め具を含むマウントと、
超音波エネルギー源に連結され、前記並進部材に作動的に接続されたホーンと、
ギャップの分だけ前記ホーンから分離されたアンビルと、
前記ホーンを前記アンビルに向けて付勢するとともに、前記ホーンと前記アンビルとの間のギャップがシステムの動作中に実質一定に維持されるように、前記ホーンに作動的に連結された部材が前記弾性変形可能な止め具に当接してさまざまな程度に前記弾性変形可能な止め具を変形するように構成された力アプリケータと、を含むシステムであって、
前記ギャップが前記ホーンの共振周波数に基づいて監視される、システム。 - 前記力アプリケータが、前記部材に作動的に接続された膨張可能なブラダを含み、
前記弾性変形可能な止め具が鋼製部材を含む、請求項5に記載のシステム。 - 前記力アプリケータが制御信号に応答する力を加え、前記システムが前記制御信号を前記力アプリケータに送り出すように構成されたコントローラをさらに含み、
前記コントローラがプロセッサおよびメモリを含み、前記メモリが命令セットを格納し、
前記命令セットが実行されたときに前記プロセッサが、
前記ホーンの長さの変化を決定することと、
前記長さの変化に基づいて、前記ホーンと前記アンビルとの間のギャップを決定することと、
前記ギャップに基づいて、前記力アプリケータによって加えられる力を決定することとを実行する、請求項5に記載のシステム。
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US64104805P | 2005-01-03 | 2005-01-03 | |
US60/641,048 | 2005-01-03 | ||
PCT/US2005/047560 WO2006074105A1 (en) | 2005-01-03 | 2005-12-30 | Gap adjustment for an ultrasonic welding system |
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JP (1) | JP4880617B2 (ja) |
KR (1) | KR101257123B1 (ja) |
CN (1) | CN101115609B (ja) |
BR (1) | BRPI0518540B1 (ja) |
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US7828192B2 (en) * | 2005-01-03 | 2010-11-09 | 3M Innovative Properties Company | Amplitude adjustment of an ultrasonic horn |
WO2009032271A2 (en) | 2007-09-05 | 2009-03-12 | Albany International Corp. | Process for producing papermaker's and industrial fabric seam and seam produced by that method |
US7794555B2 (en) * | 2007-09-05 | 2010-09-14 | Albany International Corp. | Formation of a fabric seam by ultrasonic gap welding of a flat woven fabric |
US8088256B2 (en) | 2007-09-05 | 2012-01-03 | Albany International Corp. | Process for producing papermaker's and industrial fabric seam and seam produced by that method |
US7897018B2 (en) | 2007-09-05 | 2011-03-01 | Albany International Corp. | Process for producing papermaker's and industrial fabrics |
DE102010016814B3 (de) * | 2010-05-05 | 2011-10-06 | Schott Solar Ag | Verfahren und Vorrichtung zum Aufbringen von Lot auf ein Werkstück |
US8433433B2 (en) * | 2010-12-16 | 2013-04-30 | Lg Chem, Ltd. | System and method for determining whether an ultrasonic horn is aligned with an anvil |
JP6219261B2 (ja) * | 2014-12-08 | 2017-10-25 | 株式会社ニフコ | 超音波溶着装置 |
DE102016004180A1 (de) * | 2016-04-11 | 2017-10-12 | Focke & Co. (Gmbh & Co. Kg) | Vorrichtung zum Ultraschallschweißen |
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- 2005-12-30 EP EP05856037.6A patent/EP1833658B1/en active Active
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- 2005-12-30 BR BRPI0518540A patent/BRPI0518540B1/pt not_active IP Right Cessation
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CN101115609B (zh) | 2011-03-30 |
KR20070090980A (ko) | 2007-09-06 |
MX2007007931A (es) | 2007-08-21 |
EP1833658A1 (en) | 2007-09-19 |
JP2008526516A (ja) | 2008-07-24 |
KR101257123B1 (ko) | 2013-04-22 |
BRPI0518540A2 (pt) | 2008-11-25 |
EP1833658B1 (en) | 2016-07-27 |
BRPI0518540B1 (pt) | 2017-02-14 |
WO2006074105A1 (en) | 2006-07-13 |
CN101115609A (zh) | 2008-01-30 |
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