Abstract
A flexure based compliant parallel (4-bar) mechanism for linear translational motion actuated via a precision slide has been proposed. Due to the flexures a miniaturised mechanism is possible overcoming the limitations of rigid link mechanisms. In addition since a compliant mechanism has a monolithic structure no assembly is required. The compliant mechanism is designed using Pseudo Rigid Body Model (PRBM) approach and results obtained are compared with finite element analysis. An experimental setup is developed incorporating a microslide as an actuator for 4-bar compliant mechanism and displacement is measured using 3D optical profilometer. The performance of the compliant parallel mechanism demonstrated by experiments validates the simulation results and hence PRBM results. The effect of point of motion actuation on performance of mechanism is also investigated.
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