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Practical considerations for using constant force springs in space-based mechanisms

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dc.contributor.author Wililams, Brett R.
dc.contributor.author Fisher, Charles D.
dc.contributor.author Gallon, John C.
dc.date.accessioned 2013-12-18T17:58:48Z
dc.date.available 2013-12-18T17:58:48Z
dc.date.issued 2013-04-08
dc.identifier.citation 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Boston, Massachusetts, April 8-11, 2013 en_US
dc.identifier.clearanceno 13-1179
dc.identifier.uri http://hdl.handle.net/2014/44133
dc.description.abstract Mechanical springs are a common element in mechanism from all walks of life; cars, watches, appliances, and many others. These springs generally exhibit a linear relationship between force and deflection. In small mechanisms, deflections are small so the variation in spring force between one position and another are generally small and do not influence the design or functionality of the device. However, as the spacecraft industry drives towards larger, deployable satellites, the distances a spring or springs must function over can become considerable so much so that the structural integrity of the device may be impacted. As such, an increasingly common mechanism element is the constant force spring- one that provides a constant force regardless of deflection. These elements are commonly in the conceptual design phase to deal with system-level large deflections, but in the detailed design or integration test phase they can pose significant implementation issues. This article addresses some of the detailed issues in order for these constant force springs to be properly designed into space systems en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013 en_US
dc.subject mechanical springs en_US
dc.subject reliability testing en_US
dc.title Practical considerations for using constant force springs in space-based mechanisms en_US
dc.type Preprint en_US


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