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An electromagnetically actuated ball and socket joint for applications in 3D metrology

Narendra, M and Arya, BN and Jayanth, GR (2023) An electromagnetically actuated ball and socket joint for applications in 3D metrology. In: Journal of Micromechanics and Microengineering, 33 (1).

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Official URL: https://doi.org/10.1088/1361-6439/aca41b


The design, development and application of a novel magnetically actuated ball-and-socket joint has been presented here. The joint comprises a current-carrying conductor acting as the socket and a permanent magnet ball. External solenoid coils are employed to orient the ball in any desired direction. A novel strategy, based on providing a small vibratory input, is proposed to eliminate static friction. The joint has been fabricated and experimentally demonstrated to rotate over a large range of about ± 70 ∘ with a low cross-axis rotation, of about 8%, and with negligible hysteresis. The developed joint has been employed as a touch-trigger probe in a coordinate measurement machine to access all the three surfaces in a cuboidal corner of a sample. © 2022 IOP Publishing Ltd.

Item Type: Journal Article
Publication: Journal of Micromechanics and Microengineering
Publisher: Institute of Physics
Additional Information: The copyright for this article belongs to Institute of Physics.
Keywords: Coordinate measuring machines; Stiction, 3D metrology; Ball and sockets; Ball joints; Coordinate measurement machines; Current carrying conductors; Design applications; Design development; Development and applications; Socket joints; Solenoid coils, Permanent magnets
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited: 17 Jan 2023 04:14
Last Modified: 17 Jan 2023 04:14
URI: https://eprints.iisc.ac.in/id/eprint/79183

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