Abstract
Tribology is defined as “the science and technology of phenomena occurring at the contact interface between objects”, and its main topics are friction and wear of materials. Ultrasonic motor is a new tribological actuator, which uses the friction at a contact area between a stator and rotor to convert the ultrasonic vibration of the stator into the linear or rotational motion of the rotor. It is evident that the ultrasonic motor with friction drive possesses features such as self lock without power and a high self lock torque. As far as the locking property of USM is concerned, the self lock torque is higher than its stall torque, while the rotor’s inertia is low. This indicates that the ultrasonic motor has rapid (millisecond scale) response property.
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© 2011 Science Press Beijing and Springer Verlag Berlin Heidelberg
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Zhao, C. (2011). Fundamentals of Tribology and Tribomaterials for Ultrasonic Motors. In: Ultrasonic Motors. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15305-1_3
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DOI: https://doi.org/10.1007/978-3-642-15305-1_3
Publisher Name: Springer, Berlin, Heidelberg
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