Linear Piezo Motor LPM20-3 - CEDRAT TECHNOLOGIES - #1

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For more information, please contact: CEDRAT TECHNOLOGIES 15 Chemin de Malacher - Inovallée 38246 Meylan Cedex - France actuator@cedrat.com Phone: +33 (0)4 76 90 50 45 - Fax: +33 (0)4 56 38 08 30 CEDRAT GROUPE www.cedrat.com Linear Piezo Motor LPM20-3 Description The LPM20-3 is a Linear Piezoelectric Motor that displays the known advantages of a piezo motor (e.g. a standstill force at rest of 50 N without any power supply, a high positioning accuracy, ..). Space evaluation program The LPM20-3 followed a space evaluation program including • Functional tests, • Lifetime test (1e6 cycles), • Thermal vacuum test (5 / 45°C), • Random vibrations cycles including a Launch Locking devices. Space heritage 3 Engineering Models have been used in a refocusing mechanism by EADS-SODERN. Figure 1: View of the LPM20-3 motor. Courtesy of CNES.