Áõ«hÊ״δóÕ½ºÚÈË

Two-stage Isolation

small reaction wheel

Áõ«hÊ״δóÕ½ºÚÈË’s two-stage isolation systems are basedÌýupon the flight proven technologies of SoftRideÌýOmniFlex and ShockWave isolators. The softerÌýfirst stage is for small on-orbit displacementsÌýand low frequency isolation. The second stage isÌýstiff and highly damped to protect the moreÌýdelicate first stage isolators during launch. BothÌýstages are packaged together into a singleÌýisolation module.

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Overview

The first stage is equipped with OmniFlex isolatorsÌýwhich utilize a metallic load path flexure inÌýparallel with viscoelastic damping. In a zero-G field the payload rides on the systems firstÌýstage. The second stage is made up of ShockWave isolators which provides highly dampedÌýlaunch isolation by limiting deflection of the module during launch. The second stageÌýperforms very much like a linear isolation system and does not produce high-frequencyÌýresponses. Second stage has the added benefit of providing attenuation for launchÌývibration and shock events compared to a hard-mounted or launch locked configuration.

Applications

  • Optical Payloads
  • Component Isolation

ÌýÌýÌýÌýÌý Ìý Ìý Ìý Ìý Ìý- Sensitive Electronics

Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý- Cryocoolers

Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý- Reactions Wheels

Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý- Control moment Gyroscope

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Attributes

  • Inherently simple
  • Very low part count
  • Low weight solution
  • Passive Isolation (Launch & On-Orbit)
  • No fluids / No leaks / No power needed / No launch locks
  • Made with Low Outgassing materials ASTM E-595
  • Mission Life > 12 years
  • Technology Readiness Level 9 – Flight Proven
two-stage
two-stage
two-stage