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Responsive fixture design using dynamic product inspection and monitoring technologies for the precision machining of large-scale aerospace parts

Responsive fixture design using dynamic product inspection and monitoring technologies for the precision machining of large-scale aerospace parts

Li, Yingguang, Liu, Changqing, Hao, Xiaozhong, Gao, James X. and Maropoulos, Paul G. (2015) Responsive fixture design using dynamic product inspection and monitoring technologies for the precision machining of large-scale aerospace parts. CIRP Annals - Manufacturing Technology, 64 (1). pp. 173-176. ISSN 0007-8506 (doi:10.1016/j.cirp.2015.04.025)

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Abstract

When machining a large-scale aerospace part, the part is normally located and clamped firmly until a set of features are machined. When the part is released, its size and shape may deform beyond the tolerance limits due to stress release. This paper presents the design of a new fixing method and flexible fixtures that would automatically respond to workpiece deformation during machining. Deformation is inspected and monitored on-line, and part location and orientation can be adjusted timely to ensure follow-up operations are carried out under low stress and with respect to the related datum defined in the design models.

Item Type: Article
Uncontrolled Keywords: computer aided design (CAD), in-process measurement, precision machining
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty / Department / Research Group: Faculty of Engineering & Science
Last Modified: 18 Apr 2017 15:13
URI: http://gala.gre.ac.uk/id/eprint/13534

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