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Non-Dimensional Approach For Static Balancing Of Rotational Flexures, Ezekiel G. Merriam, Larry L. Howell
Non-Dimensional Approach For Static Balancing Of Rotational Flexures, Ezekiel G. Merriam, Larry L. Howell
Faculty Publications
This work presents a nondimensional method for statically balancing flexural hinges, including those with stiffness that varies with load. Using a set of non-dimensional parameters, it is shown that one can quickly design a balancing mechanism for an idealized hinge/torsion spring system. This method is then extended to load-dependent systems, and is demonstrated with the design of a balanced cross-axis-flexural pivot with stiffness that varies as a function of compressive preload. A physical prototype is built and tested to verify the design method. The prototype demonstrates an average stiffness reduction of 87% over an 80 degree deflection range. The method …