Is it possible to operate the piezo actuator at the specified resonant frequencies?
• In principle we recommend to operate the piezo system with max. 80 % of the mentioned resonant frequencies. Higher operating frequencies can destroy the piezo actuator unless the actuator is operated with significant less than 10% of the motion. • The in the data sheet given resonant frequency mostly means the resonant frequency without a mass. Every additional mass decrease the resonant frequency. • For the dynamical operation of piezo actuators often high voltages are needed. The higher the required operating frequency the higher the needed voltages. The voltage can’t increase infinitely. This factor sometimes limits the operating voltage.
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