Development of Handheld Ultrasonic Spot Welding Machines

Wu Zhu; Chao Jiang; Jia Min Zhu; Yong Wang; Jia Min Zhang

doi:10.4028/www.scientific.net/AMR.588-589.1723

Paper Titles

The Effect of Molding Process and Test Conditions on the Thermal Conductivity of Polypropylene/Graphite Composites
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Study on the Aging Regularity of SWRH82B Hot-Rolling Wire Rod
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Development and Application of the Tiger Punch
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The Fuzzy Fault Tree Analysis of Rotary Working Table for C5250 Vertical Lathe
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Research on Reliability of CNC Grinding Machine Based on Function Structure Tree
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Research Developments on Improvement of Spray Cooling Performance
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Static Stiffness Analysis and Modal Analysis of Horizontal Milling & Turning Machining Center
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Characterization of Cutting Temperature and Ignition Phenomena of Magnesium Chip Using Infrared Imaging
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 588-589Development of Handheld Ultrasonic Spot Welding...

Development of Handheld Ultrasonic Spot Welding Machines

Abstract:

As the resonance frequency of the ultrasonic vibration system drifts according to the different operating condition, Ultrasonic power supply based on MSP430 is designed in this thesis. Series inductance and parallel capacitance are used to match the vibration system and series resonance technology used in primary side of inverter transformer can reduce switch loss. ADC module in MSP430 is used to get frequency shift, and PWM module is made to adjust the operating frequency of TL494, which can realize closed loop control of frequency tracking. The results of experiments show that the method designed in this thesis has high detection accuracy, high speed dynamic response and high stability of frequency tracking.

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Periodical:

Advanced Materials Research (Volumes 588-589)

Pages:

1723-1728

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.588-589.1723

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Online since:

November 2012

Authors:

Wu Zhu, Chao Jiang, Jia Min Zhu, Yong Wang, Jia Min Zhang

Keywords:

Frequency Automatic Tracking, Piezoelectric Transducer, Ultrasonic Welding

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References

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