Актуальные проблемы в машиностроении. Том 11. № 1-2. 2024 Технологическое оборудование, оснастка и инструменты ____________________________________________________________________ 83 DEVELOPMENT OF A VACUUM GRIPPER FOR AN ASSEMBLING AND SORTING ROBOT Borisov M.A.1, Ph.D. (Engineering), Associate Professor, e-mail: borisovmgou@mail.ru Limonov S.E.2, Post-graduate Student, e-mail: limonov.mbf@mail.ru 1 I.N. Ulianov Chuvash State University, 15 Moskovsky Prospekt, Cheboksary, 428015, Russian Federation 2 NGEU «Knyagininsky University», 22 A Oktyabrskaya str., Knyaginino, 606340, Russian Federation Abstract Vacuum grippers play a key role in manufacturing, especially in robotic systems. However, existing models have limitations, so an urgent task is to develop new grippers using additive technologies. The goal of this work is to create a vacuum gripper that provides reliable and precise gripping of objects of any shape, made of PETG plastic using 3D printing, with a roughness of 12.5 Ra, for an assembling and sorting robot. An analysis of vacuum gripper designs was carried out, focusing on materials and methods for manufacturing suction cups. Taking into account the parameters of the objects being moved, a vacuum gripper was developed using PETG plastic for the fitting and TPU for the suction cups. The choice of silicone medical tubing and compact pump is based on their flexibility, performance and reliability to ensure efficient operation of the vacuum system. The prototype vacuum gripper, made using 3D printing, had problems in the form of a loose fit of the suction cup to the surface of the fitting and poor quality printing of the suction cup. The problems were solved by changing the method of joining two different materials, improving the design of the fitting and creating a deep suction cup with an optimal angle of inclination and wall thickness. These modifications have significantly improved the performance and efficiency of the vacuum gripper, providing a secure hold on objects. Keywords Vacuum gripper, assembling and sorting stand, robotic manipulator, additive technologies, design, application of filaments, automation, industrial robotics.
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