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Three-dimensional characterisation of a novel vibrating tactile probe for miniature CMMs.

Claverley, J D; Leach, R K (2013) Three-dimensional characterisation of a novel vibrating tactile probe for miniature CMMs. In: Laser Metrology and Machine Performance X (LAMDAMAP 2013), 20-21 March 2013, Chicheley, UK.

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Abstract

This paper presents the characterisation of a novel 3D vibrating tactile probe for miniature co-ordinate measuring machines (CMMs).The National Physical Laboratory (NPL) has developed this novel vibrating probe to address the main issues associated with tactile probing at the micro-scale. The vibrating probe is designed to act isotropically, with low probing forces (near zero), and with being minimal effects from the surface interaction forces. In this paper the tests completed to verify the precision of the contact sensing ability of the probe in 3D will be described, along with quantification of the isotropy of the device. The results will be presented and discussed. This paper will also highlight several operational differences between classical static probes for miniature CMMs and the novel vibrating probe developed by NPL. These differences include tip diameter calibration techniques, strategies for use, environmental considerations and logistics. Finally, the future plans for the final development of the probe will be discussed, especially initial tests completed with the probe deployed on a suitable precision CMM for miniature parts.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: Engineering Measurements
Engineering Measurements > Dimensional
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/5825

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