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Amplified Piezo Actuators (APA)

HomeAmplified Piezo Actuators (APA)
Amplified Piezo Actuators (APA)

Amplified Piezo Actuators (APA)

Patented by CEDRAT TECHNOLOGIES, the Amplified piezoelectric 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 magnifies along the short axis the MLA deformation occurring along the main axis. This elliptical frame also protects the MLA against tensile force. It provides the user with mechanical interfaces for easy integration. 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.

The APA® developed by CEDRAT TECHNOLOGIES has force and displacement performance ranges exceeding those of direct or bimorph Piezo actuators.

Amplified Piezo Actuators (APA)

Amplified piezo actuator - APA30uXS

Earing implants – Actuation in Micro Aerial Vehicle – Energy harvester for pacemaker – Micro electro optical systems

PERFORMANCES

Blocked Force (N) 3.7
Capacitance (µF) 0.04
Stroke (µm) 34
Stiffness (N/µm) 0.11
Resonance Blocked Free (Hz) 4778
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Amplified Piezo Actuators (APA)

Amplified piezo actuator - APA150XXS

Earing implants – Actuation in Micro Aerial Vehicle – Energy harvester for pacemaker – Micro electro optical systems

PERFORMANCES

Blocked Force (N) 3.2
Capacitance (µF) 0.18
Stroke (µm) 132
Stiffness (N/µm) 0.02
Resonance Blocked Free (Hz) 1100
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Amplified Piezo Actuators (APA)

Amplified piezo actuator - APA50XS

Micro optical mechanisms – Micro controllers dynamic valves – Space qualified micro tips tilts – Miniature brakes

PERFORMANCES

Blocked Force (N) 16
Capacitance (µF) 0.3
Stroke (µm) 66
Stiffness (N/µm) 0.24
Resonance Blocked Free (Hz) 2730
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Amplified Piezo Actuators (APA)

Amplified piezo actuator - APA900M

Clamping in wire feeding system – Inverted microscope positioner – Haptic technology feedback for display panels – Energy harvesters

PERFORMANCES

Blocked Force (N) 18
Capacitance (µF) 2.2
Stroke (µm) 785
Stiffness (N/µm) 0.02
Resonance Blocked Free (Hz) 259
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Amplified Piezo Actuators (APA)

Amplified piezo actuator - APA600M

Clamping in wire feeding system – Inverted microscope positioner – Haptic technology feedback for display panels – Energy harvesters

PERFORMANCES

Blocked Force (N) 34
Capacitance (µF) 2.2
Stroke (µm) 550
Stiffness (N/µm) 0.04
Resonance Blocked Free (Hz) 316
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Amplified Piezo Actuators (APA)

Amplified piezo actuator - APA35XS

Micro optical mechanisms – Micro controllers dynamic valves – Space qualified micro tips tilts – Miniature brakes

PERFORMANCES

Blocked Force (N) 27
Capacitance (µF) 0.3
Stroke (µm) 52
Stiffness (N/µm) 0.52
Resonance Blocked Free (Hz) 3880
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Amplified Piezo Actuators (APA)

Amplified piezo actuator - APA400M

Clamping in wire feeding system – Inverted microscope positionner – Haptic technology feedback for display panels – Energy harvesters

PERFORMANCES

Blocked Force (N) 34
Capacitance (µF) 2.2
Stroke (µm) 455
Stiffness (N/µm) 0.07
Resonance Blocked Free (Hz) 423
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Amplified Piezo Actuators (APA)

Amplified piezo actuator - APA120S

Shaking powder for X-ray diffraction – Optical stabilization for embedded cameras – Space qualified optical stages – Nano indentation

PERFORMANCES

Blocked Force (N) 46
Capacitance (µF) 1.1
Stroke (µm) 140
Stiffness (N/µm) 0.33
Resonance Blocked Free (Hz) 1340
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