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《Mechanical Science and Technology for Aerospace Engineering》 2008-03
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A New Design Method for Large Cross-section Blade-like Ultrasonic Plastic Welding Horns with Slots

Liang Zhaofeng1,2,3,Zhou Guangping1,Mo Xiping2,Zhang Yihui1,Li Zhengzhong1(1 Department of Electronic Engineering,Shenzhen Polytechnic,Shenzhen 518055;2 Institute of Acoustics,Chinese Academy of Sciences,Beijing 100080;3 Graduate School of Chinese Academy of Sciences,Beijing 100080)  
A new design method for large cross-section blade-like ultrasonic plastic welding horns with slots is pre-sented,and relative experiments have been done to validate this method.Firstly,the blade-like horns with slots are rationally divided into horn parts,and accordingly the design of horns with complex structure is transformed into the design of horn parts with simple structure.Then by comparing horn parts with half wavelength constant section resonator considering its coupled vibration,the frequency equation of large cross-section blade-like horn with slots is derived based on the idea that the mechanical impedances of horn parts are equivalent to that of half wavelength resonator.Finally,the relations between the number,width or length of slot and the vibrational characteristics of horn are derived from this frequency equation.Several large cross-section blade-like ultrasonic plastic welding horns are machined by this method,and it is shown that the measured resonance frequencies are in good agreement with the calculated results.
【Fund】: 国家自然科学基金项目(10574094);; 广东省自然科学基金项目(07009027)资助
【CateGory Index】: TQ320.674
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【Citations】
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【Co-citations】
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1 LIANG Zhao-feng1,2,3,ZHOU Guang-ping1,MO Xi-ping2,LI Zheng-zhong1(1.Department of Electronic Engineering,Shenzhen Polytechnic,Shenzhen 518055,China;2.Institute of Acoustics,Chinese Academy of Sciences,Beijing 100080,China;3.Graduate School of the Chinese Academy of Sciences,Beijing 100080,China);Design of large cross-section block horns with slots for ultrasonic plastic welding[J];Journal of Engineering Design;2009-03
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