Soft Jig-Driven Assembly Operations

10/21/2020

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by   Takuya Kiyokawa, et al.

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To design a general-purpose assembly robot system that can handle objects of various shapes, we propose a soft jig capable of deforming according to the shape of assembly parts. The soft jig is based on a jamming gripper used for robot manipulation as a general-purpose robotic gripper developed in the field of soft robotics. The soft jig has a flexible membrane made of silicone, which has a high friction, elongation, and contraction rate for keeping parts strictly fixed. The inside of the membrane is filled with glass beads to achieve a jamming transition. The usability of the soft jig was evaluated from the viewpoint of the versatility and fixing performance for various shapes and postures of parts in assembly operations.