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根据连续体结构拓扑优化技术,采用基于SIMP插值模型的变密度法,以最大输出位移为目标设计了一种新型柔性微夹钳的结构,这种钳体结构新颖,拓扑构型为钳口常闭型,依靠钳体自身回程反力夹持物体,能量消耗少,而且钳口张开范围大,通用性好。文中具体阐述了拓扑优化的设计过程,并对设计结果进行了几何重构,同时对整体电热驱动微夹钳进行了有限元分析,仿真结果验证了设计结果。根据设计结果,采用UV-LIGA技术制作了电热驱动微夹钳。
According to the topology optimization technology of continuum structure, a new type of flexible microgripper is designed based on the variable density method based on the SIMP interpolation model with the goal of maximum output displacement. The structure of this microtome is novel and its topological configuration is nip Closed-type, relying on the clamp itself back to the reaction force holding the object, less energy consumption, but also wide open jaw, versatility is good. In this paper, the design process of topology optimization is elaborated, and the geometric reconstruction of the design results is carried out. At the same time, the finite element analysis of the overall electrothermal micro-clamp is carried out. The simulation results verify the design results. According to the design results, the use of UV-LIGA technology produced micro-electric heating clamp.