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Title: Analysis of the twist of ruled surfaces: application to strip machining

Authors: Johanna Senatore; Frédéric Monies; Walter Rubio; Laurent Tapie; Bernardin Mawussi

Addresses: Institut Clément Ader (ICA), Université de Toulouse, CNRS, INSA, ISAE, Mines Albi, UPS, Toulouse, France ' Institut Clément Ader (ICA), Université de Toulouse, CNRS, INSA, ISAE, Mines Albi, UPS, Toulouse, France ' Institut Clément Ader (ICA), Université de Toulouse, CNRS, INSA, ISAE, Mines Albi, UPS, Toulouse, France ' URB2i Unité de Recherche Biomatériaux Innovants et Interfaces, Université Paris 13, France ' URB2i Unité de Recherche Biomatériaux Innovants et Interfaces, Université Paris 13, France

Abstract: Flank milling of ruled surfaces is commonly applied to obtain rotating machine parts as defined using ruled surfaces. To this purpose, a wide range of positioning strategies had been studied to reduce interference between the cutting tool and the surface. Indeed, modelled ruled surfaces are non-developable meaning that they cannot be machined without interference. In order to minimise such interference, the positioning strategies studied tend to become increasingly complex, involving software programming using a dedicated language. To simplify matters and apply developed methods using standard software applications, it is proposed here to reduce interference by breaking the machined surface down into a number of sub-surfaces. The aim with this decomposition is to reduce the twist on each portion. A study of the global twist is presented showing nonlinearity with the length of the rule so that cutting methods can be demonstrated. [Received 28 November 2016; Revised 18 April 2017; Accepted 26 June 2017]

Keywords: ruled surface; flank milling; five-axis machine; twist angle; strip machining.

DOI: 10.1504/IJMR.2018.092780

International Journal of Manufacturing Research, 2018 Vol.13 No.1, pp.26 - 48

Available online: 13 Mar 2018 *

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