Support mechanism for the ball rotor in the three-degree-of-freedom ultrasonic motor

被引：25
|
作者：
Yun, CH [1 ]
Niwano, S [1 ]
Friend, JR [1 ]
Nakamura, K [1 ]
Ueha, S [1 ]
机构：
[1] Tokyo Inst Technol, Precis & Intelligence Lab, Midori Ku, Yokohama, Kanagawa 2268053, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2003年 / 42卷 / 5B期
关键词：
hybrid transducer; 3-DOF ultrasonic motor; longitudinal vibrator; bending vibrator; support mechanism; ball rotor;
D O I：
10.1143/JJAP.42.3000
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Three types of support mechanism for the ball rotor of a three-degree-of-freedom ultrasonic motor with a single stator have been proposed and studied in order to achieve a large output torque. These support mechanisms could apply a sufficient preload to the ball rotor, and the three-degree-of-freedom rotational movements of the ball rotor were possible. The output torque were 1.7 kgf(.)cm for the z-axis rotation and 2.8 kgf(.)cm for the x-axis rotation at a preload of 4 kgf. The no-load maximum rotation speeds were 5 rps for the z-axis rotation and 4.3 rps for the x-axis rotation.
引用
收藏
页码：3000 / 3001
页数：2
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