Piezo stack actuation is a solid-state technology, which enables high technology solutions. Due to unique properties piezoelectric actuation extends the portfolio of established actuator principles with regard to important features:
Displacement of stack actuators are up to 400 um and several mm for stacks with amplification mechanism or bender type actuators.
Keywords: Piezoceramic / Piezo Aktuator / Piezo Actuator/ Piezo Actor
Due to the excellent controllability piezoelectric actuators are extremely suitable for precision positioning and fast high-force actuation. Piezoelectric actuators enable ultra-precise devices that achieve accuracies of atoms.
The piezoelectric effect is characterized by a high speed. The electro-mechanical conversion is directly related to the construction of the electric field in the material. The acceleration involved is enormous and values of several thousand g can be obtained. Because of their very high electrical insulation resistance piezoelectric actuators have low power consumption in static application. In contrast, electromagnetic drives consume already on hold energy (coil currents) and are much slower. Piezoelectric actuators develop high actuatoric forces and also allow miniaturization.
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