Contents:2018,Vol:23,Issue(4):216-225
Citation:
SU Guobing, HAN Xue, CAI Yi. Rotor Design and Finite Element Analysis of Traveling Wave Rotaty Ultrasonic Motor[J]. International Journal of Plant Engineering and Management, 2018, 23(4): 216-225

Rotor Design and Finite Element Analysis of Traveling Wave Rotaty Ultrasonic Motor
SU Guobing, HAN Xue, CAI Yi
School Mechanical and Engineering, North China Institute of Aerospace Engineering, Heibei Langfang 065000, China
Abstract:
The dynamic transfer mechanism of the traveling wave rotary ultrasonic motor rotor-stator's contact surface is studied in the paper and the key parts stator and cone flexible rotor of ultrasonic motor are designed. The three-dimensional contact model and finite element model considering the radial sliding between the rotor and the stator are established. The relation between the stator surface particle that amplitude frequency characteristics, resonance speed, radial displacement of ultrasonic motor and the tooth height are analyzed. Mass point radial relative displacement of contact surface between the cone flexible rotor, flexible rotor and the stator are contrasted. The cone flexible rotor is better placed on the surface of the stator tooth through its elastic deformation is interpreted. The cone flexible rotor reduces the radial slip between the stator and the output efficiency of ultrasonic motor is improved. The displacement trajectory of the stator surface is synthesized in a row wave cycle. The method of the stator mass point elliptical motion drives the rotor rotation is verified.
Key words:    ultrasonic motor    rotor-stator    radial slip    finite element method   
Received: 2017-11-26     Revised:
DOI: 10.13434/j.cnki.1007-4546.2018.0403
Corresponding author:     Email:
Author description: SU Guobing is a master candidate, School of Mechanical and Electrical Engineering, North China Institute of Aerospace Engineering. His research interest is mechanical design and study. 2443670559@qq.com
HAN Xue is a master candidate, School of Mechanical and Electrical Engineering, North China Institute of Aerospace Engineering. Her research interest is mechanical design and study. 879415659@qq.com
CAI Yi is a professor, School of Mechanical and Electrical Engineering, North China Institute of Aerospace Engineering. His research interest is mechanical design and study. caiyi720906@sina.com
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SU Guobing
HAN Xue
CAI Yi

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