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

页码：3000 / 3001

页数：2

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