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Effect of friction on the performance of inertial slider

Anantheshwara, K and Murali, NS and Bobji, MS (2008) Effect of friction on the performance of inertial slider. In: Sadhana, 33 (3). pp. 221-226.

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Inertial sliders are friction based drives used to position with a resolution of a fewhundred of nanometers to over a range of fewmillimeters. The compactness and simple construction enabled it to be used as a coarse positioner in various Scanning Probe Microscopes (SPM). Even heavy masses has been thought off earlier to use the inertial slider to position precisely, lack of understanding in the dynamical friction behaviour has been the main reason why the inertial sliders potential has not been explored fully in any practical device. In this paper, we have studied the effect of different operating parameters on the step size of the slider. The inertial mass is kept on three sapphire balls, which are attached to shear piezoelectric material. The behaviour of inertial mass was studied for different input waveforms and different surface conditions that come in contact with the sapphire balls. It was observed that under lubricated conditions the step size was reduced.

Item Type: Journal Article
Publication: Sadhana
Publisher: Indian Academy of Sciences
Additional Information: Copyright of this article belongs to Indian Academy of Sciences.
Keywords: Inertial slider;friction;coarse positioner.
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 15 Oct 2008 07:12
Last Modified: 19 Sep 2010 04:50
URI: http://eprints.iisc.ac.in/id/eprint/16117

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