Upgrade of piezo motors - CEDRAT TECHNOLOGIES - #1

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actuator@cedrat.com www.cedrat.com Upgrade of piezo motors CEDRAT TECHNOLOGIES has an extensive experience in aerospace & defense business and in piezo technologies. For some projects, CEDRAT TECHNOLOGIES has upgraded Commercially Of The Shelves – COTS motors or actuators, by changing several parts and realizing acceptance tests. Objective _________________________________________________________ · Upgrade of piezo motors according to aerospace & defense standards · Acceptance tests campaign under quality standards Upgrade of piezo motors____________________________________________ Typical upgrades includes for instance: · The change of the lubrication (for instance a vacuum compatible oil) · The change of some parts to get a fully non-magnetic motor. View of the piezo motor stator Acceptance Tests __________________________________________________ The set of acceptance tests is decided with the customer and may include: - Load characteristics curve - Electrical Impedance characteristics curve - Thermal burn-in cycling - Lifetime tests View of the piezo motor in the climatic chamber Keywords __________________________________________________________ Ultrasonic motor, Piezomotor, Aerospace, Defense