![]() To obtain more information on our products feel free to ask for our Piezo & Magnetic Products Catalogue and/or to contact us. The APA® developed by CEDRAT TECHNOLOGIES has force and displacement performance ranges exceeding those of direct or bimorph Piezo actuators. The SR rings stacks are perfectly matched to the range of PiezoDrive. Figures 4 and 5 (below) demonstrate the difference between bulk and stacked actuators. However, the terms solid state motor stack and electroexpansive actuator. While there are bulk type actuators, the majority of modern actuators utilize a stacked design. A silicone adhesive is adapted to adhere to the piezoelectric elements. ![]() Maximum displacement and force were tested as 36.9 m and 669.5 N under different frequency AC. Actuator Types There are 3 main categories for PZT actuators: low voltage, high voltage, and ring actuators. This prestressing and magnifying flextensionnal frame applies an optimal preloading force to the MLA which ensures a longer life time and better performances than traditional mechanical amplifiers based on lever arm and flexure pivot, when dynamically applied. Test systems of piezoelectric stack actuator with and without mechanical load were designed. It provides the user with mechanical interfaces for easy integration. A small deformation of the great axis creates a large. The ceramic stack is aligned with the great axis of the ellipse. The actuators were constructed with a stack PZT 25 and a. Amplified piezoelectric actuators are specific actuators using piezoelectric materials as active material and have a specific design to overcome traditional limitations of classical direct piezoelectric actuators. This elliptical frame also protects the MLA against tensile force. Amplitude transfer functions for PZT actuators measured with a Michelson inter- ferometer. The mechanical amplification is obtained thanks to an external elliptical shell made of stainless steel which magnifies along the short axis the MLA deformation occurring along the main axis. Patented by CEDRAT TECHNOLOGIES, the Amplified piezoelectric actuator, is a mechanical magnified preloaded stack of low voltage piezoelectric ceramics (MLA).
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