Nimesis

Entity name	Nimesis
Products Services	Release Mechanisms (HDRMs, Pin Puller, Release Nuts)
Nation	France
Established	2008
Description	Our focus is on GRIPPER, a simple hold and release mechanism relying on this technology. Based on a CNES patent, this development aims to achieve a flat and a low-cost actuator without compromising the margins of the ECSS. Its size represents 35×39×7.6mm, and a preload of 1k N. GRIPPER operates with two cylindrical components made of CN-250X SMA providing an operational temperature range compatible with most space missions. It relies on the opening of 2 flanges allowing to release a nut in which a M3 tie rod is screwed. A cone is used to release the force gradually and therefore without shock. GRIPPER will be qualified for 2 flight cycles and 10 ground cycles. Target price <2k€.
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Status	Active in nanosatellites

Last modified: 2023-12-22

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