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Ultrasonic Motors
Drivers & Amplifiers

Parallel Piezoelectric Actuators

PPA Direct piezoelectric actuators are constituted of a ceramic multilayer actuator and a mechanical prestressing mechanism (corrugated structures).

In such actuators, the strain produced by the piezoelectric element is not amplified mechanically. Therefore, the resulting actuator typically exhibits properties such as: moderate displacements, large stiffness, fast response time, and large forces.
Series
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PPA Models- Summary