Analysis of the Vibration Characteristic for an Orbital Friction Vibration Actuator

Yong Li; Fei Xu; Jian Hui Hu; Ji Bin Zou; Kai Liu

doi:10.4028/www.scientific.net/AMM.416-417.925

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 416-417Analysis of the Vibration Characteristic for an...

Analysis of the Vibration Characteristic for an Orbital Friction Vibration Actuator

Abstract:

Orbital Friction Vibration Actuator (OFVA) is a core component of Orbital Friction Welding (OFW), which is a novel apertureless welding technology utilizing friction heat to implement solid-state. By taking advantage of the special electromagnetic structure, OFVA can produce a contactless, radial, synchronous and rotating force with adjustable amplitude and phase upon the still mover which then vibrate according to the predetermined orbital. This paper analyzes the operational principle and structure of OFVA and conducts a mathematical analysis for a core issue about how to make the motion component of the OFVA generate circular moving trajectories. Vibration characteristic of are analyzed and the expressions of amplitude amplification factors as the moving component is moving in a circle are derived. Simulations are carried out to validate the theoretical analysis, which proved that the design was correct and engineering practical.

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Periodical:

Applied Mechanics and Materials (Volumes 416-417)

Pages:

925-930

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.416-417.925

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Online since:

September 2013

Authors:

Yong Li, Fei Xu, Jian Hui Hu, Ji Bin Zou, Kai Liu

Keywords:

Actuator, Motion Trajectory, Vibration Characteristic

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References

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