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Fluid Dynamics Aided Design of an Innovative Micro-Gripper

Abstract : The increasing miniaturization of more and more systems and products is supporting the necessity to develop and handle micro-objects and micro-assembling tools. However, in comparison to bigger scale systems, micro-scale tasks undergo greater challenges due to the effect of unwanted sticking forces whose relative value may be predominant at the micro-scale. Systems to overcome these limiting factors have to be specifically developed to enable an effective and successful manipulation. In the case of contact micro-grippers, specific additional devices or manipulating strategies are used to assure the success of the release phase. In this context, this paper presents an innovative vacuum micro-gripper with a low-cost and simple automatic releasing device which can effectively overcome the adhesive forces. The paper, after illustrating the working principle of the gripper, discusses the preliminary results of a first computational fluid dynamics model useful to represent the main gripper characteristics and able to support a design procedure.
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https://hal.inria.fr/hal-02115837
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Submitted on : Tuesday, April 30, 2019 - 3:11:57 PM
Last modification on : Thursday, February 13, 2020 - 1:50:03 PM

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Gianmauro Fontana, Serena Ruggeri, Antonio Ghidoni, Alessandro Morelli, Giovanni Legnani, et al.. Fluid Dynamics Aided Design of an Innovative Micro-Gripper. 8th International Precision Assembly Seminar (IPAS), Jan 2018, Chamonix, France. pp.214-225, ⟨10.1007/978-3-030-05931-6_19⟩. ⟨hal-02115837⟩

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