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This chapter presents a monolithic compliant microgripperMicrogripper with dual piezoelectric-actuation modes that combines the benefits of normally open and normally closed configurations. Designed to overcome the limited range of conventional microgrippers, it offers enhanced adaptability for handling objects of various sizes. The mechanism integrates bridge-type and parallelogram-based displacement amplifiers, which were optimized using a kinematic model and finite element analysis. A prototype was fabricated and experimentally validated, demonstrating a large clamping range of 860.81 \(\upmu \) m and a natural frequency of 401 Hz. The results confirm the gripper’s suitability for high-speed, precise microassembly tasks.

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Design of a New Compliant Microgripper with Two Working Modes

  • 章节

  • 发表日期：

    2026年

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  • Qingsong Xu

摘要

This chapter presents a monolithic compliant microgripperMicrogripper with dual piezoelectric-actuation modes that combines the benefits of normally open and normally closed configurations. Designed to overcome the limited range of conventional microgrippers, it offers enhanced adaptability for handling objects of various sizes. The mechanism integrates bridge-type and parallelogram-based displacement amplifiers, which were optimized using a kinematic model and finite element analysis. A prototype was fabricated and experimentally validated, demonstrating a large clamping range of 860.81 \(\upmu \) m and a natural frequency of 401 Hz. The results confirm the gripper’s suitability for high-speed, precise microassembly tasks.