Manipulation of Van der Waals' forces by geometrical parameters in micro-material handling

Published Article === This paper explores the manipulation of Van der Waals' forces by geometrical parameters in a micro-material handling system. It was observed that the flat-flat interactive surfaces exerted the highest intensity of Van der Waals' forces followed by cone-flat, cylinder-...

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Bibliographic Details
Main Authors: Van der Merwe, A., Matope, S.
Other Authors: Central University of Technology, Free State, Bloemfontein
Format: Others
Language:en_US
Published: Journal for New Generation Sciences, Vol 8, Issue 3: Central University of Technology, Free State, Bloemfontein 2015
Subjects:
Online Access:http://hdl.handle.net/11462/574
Description
Summary:Published Article === This paper explores the manipulation of Van der Waals' forces by geometrical parameters in a micro-material handling system. It was observed that the flat-flat interactive surfaces exerted the highest intensity of Van der Waals' forces followed by cone-flat, cylinder-flat, sphere-flat and sphere-sphere interactive surfaces, respectively. A conical micro-gripper proved to be versatile in manipulating the Van der Waals' forces efficiently in a 'picking up' and 'releasing' mechanism of micro-work parts. It was deduced that the pick-up position should be rough and spherical, and the placement position should be smooth and flat for an effective 'pick-and-place' cycle to be realised.