Journal
45TH CIRP CONFERENCE ON MANUFACTURING SYSTEMS 2012
Volume 3, Issue -, Pages 323-328Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.procir.2012.07.056
Keywords
Active fixtures; Mechatronics; Adaptive fixtures; Clamps; Dynamic loading
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A new fixture layout design methodology for a novel concept of adaptive machining fixtures, with both actively controlled clamping forces and a dynamically adjustable layout, is proposed. The methodology aims at minimising the deflection of the workpiece due to the dynamic machining forces. The methodology is based on a finite element model of the workpiece, coupled with closed-loop controlled actuators, acting as adaptive clamps of the fixture. The methodology is applied on a theoretical test case of a thin plate workpiece. Results show a reduction by 84.2% of the maximum deflection of the workpiece compared to a traditional fixturing approach. (c) 2012 The Authors. Published by Elsevier B.V. Selection and/or peer-review under responsibility of Professor D. Mourtzis and Professor G. Chryssolouris.
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