Cedrat Technologies

United Kingdom

See product on cedrat.com/

Patented by CEDRAT Groupe, the amplified piezo actuator is a mechanical magnified preloaded stack of low voltage piezoelectric ceramics (MLA). The mechanical amplification is obtained thanks to an external elliptical shell made of stainless steel which magnify along the short axis the MLA deformation occuring along the main axis. This elliptical frame also protect the MLA against tensile force and provide the user with mechanical interfaces for easy integration. This prestressing and magnifying flextensionnal frame applies an optimal preloading force to the MLA which

allows a higher life time and better performances in dynamic application than traditionnal mechanical amplifier based on lever arm and flexure pivot.
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