Upgrade of piezo motors0 pages
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

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