National Physical Laboratory

Design consideration for the development of stylus system for micro-CMMs

Products are routinely being manufactured with dimensions below 50 μm and, therefore, demand has increased for micro-CMMs to have stylus systems with tip diameters of 10 μm or less. However, it is a challenging task to scale down styli from the smallest commercially-available dimensions to a diameter of 10 μm or less. Many issues that are not relevant at the macro-scale, will be significant at the micro- and nano-scale. In this paper, a set of design rules, developed for the manufacture of stylus systems with diameters of the order of 10 μm, will be introduced. A brief discussion of some preliminary modelling, conducted to verify the presented design rules, is also included.

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Published: 19 June 2015

Authors: Mohd Ismail, J Claverley, R Leach and D Chetwynd

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Last Updated: 22 Jun 2015
Created: 3 Oct 2014

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