A novel gripper for limp materials based on lateral Coanda ejectors

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Limp materials like textiles, leather, porous tissues, meat and fish fillets do represent challenges in automation. A universal gripping principle that is usable for all these materials is not known. This paper describes a new gripping principle based on a novel Coanda effect ejector meeting these challenges. This ejector allows the construction of a slim, plate-shaped vacuum gripper with multiple independent suction heads. Each suction head is powered by a newly patented lateral Coanda ejector that ensures gripping power on all soft or porous materials. The paper presents results of investigations on important parameters of the Coanda effect gripper. © 2008.

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Lien, T. K., & Davis, P. G. G. (2008). A novel gripper for limp materials based on lateral Coanda ejectors. CIRP Annals - Manufacturing Technology, 57(1), 33–36. https://doi.org/10.1016/j.cirp.2008.03.119

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