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Hold down and release mechanism (HRM)

Hold down and release mechanism (HRM)

The hold down mechanism consists of the interface structure (cup-cone connection), the separation bolt, the separation nut with pyro igniters and a bolt catcher. The system can be adapted to a variety of interface loads by pre-load adjustment and to mechanical interfaces according to the application.

Features / technical details

Preload (typical) 10000 N
Max load (typical) 1600 N
Release Time 20 ms
Mass (typical) 0.5 kg

Categories

Applications

Hold Down and Release Mechanism for instrument assemblies in addition to pointing or deployment mechanism

Reference customers

28 successfully released in orbit (Locstar, Amos, Intelsat, Amazonas, Express AM1)

Contact

products@astrium.eads.net

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