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This paper presents the design and analysis of a new large-range micro-gripper which is constructed using flexure hinges. The gripper is actuated by only one piezoelectric stack actuator (PSA) and the output of the grip arm is approximately rectilinear movement, because the displacement of nonworking direction is extremely small. In order to achieve a large gripping range, a dual-stage amplifier is...
This paper presents the design and characteristic analysis of a novel piezoelectric actuated microgripper to achieve fast and precision micro-object handling. The microgripper mechanism was firstly introduced, and a two-stage flexure-based amplification, composed of a homothetic bridge type mechanism and a parallelogram leverage mechanism, was designed to obtain a large jaw motion stroke. The kinematic,...
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