A 1.6-mm, metal tube ultrasonic motor

被引：97

作者：

Cagatay, S ^{[1
]}

Koc, B

Uchino, K

机构：

[1] Penn State Univ, Inst Mat Res, Int Ctr Actuators & Transducers, University Pk, PA 16802 USA

[2] Atilim Univ, Dept Mechatron Engn, Ankara, Turkey

来源：

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2003年 / 50卷 / 07期

关键词：

D O I：

10.1109/TUFFC.2003.1214498

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

A miniaturized metal tube ultrasonic motor, the dimensions of which are 1.6 mm in diameter and 6 rum in length, was developed. Two flattened surfaces with 90-degrees were ground on the outer surface of the stator. Two PZT-based piezoelectric ceramics were bonded onto these flat surfaces. The asymmetrical surface of the stator developed the split of the two degenerated orthogonal bending modes, resulting in a wobble motion. The working frequency of the 1.6-mm motor with 6 mm in length was 130 kHz. A torque of 0.5 mNm was reached at a maximum power of 45 mW with a speed of 45 rad/sec. The maximum efficiency was 16%.

引用

页码：782 / 786

页数：5

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