A 1.6-mm, metal tube ultrasonic motor
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Date
2003
Authors
Cagatay, S
Koc, B
Uchino, K
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Publisher
Ieee-inst Electrical Electronics Engineers inc
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Abstract
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%.
Description
Uchino, Kenji/0000-0003-1651-7912
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Citation
102
WoS Q
Q1
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Source
Volume
50
Issue
7
Start Page
782
End Page
786