Reconfigurable Machine Tools (RMTs) have been developed in response to agile flexible manufacturing demands. Current design methodologies for RMTs support modular reconfigurability in which a machine configuration is assembled for a given part. In this paper, on the other hand, reconfigurability relies on redundancy, namely, a desired RMT configuration is obtained through topological reconfiguration by locking/unlocking degrees-of-freedom (dof). Thus, in order to design a Redundant Reconfigurable Machine Tool (RRMT) with all of its dof already included, a new multi–tier optimization based design methodology was developed. The design is formulated for the efficient selection of the best architecture from a set of serial/parallel/hybrid solutions, while considering the redundant reconfigurability effect on performance. The viability of the methodology is demonstrated herein via a design test case of a Parallel Kinematic Mechanism (PKM)-based Redundant Reconfigurable meso-Milling Machine Tool (RRmMT) that can attain high stiffness at the high feed-rate required in meso-milling.
A Multi-Tier Design Methodology for Reconfigurable Milling Machines
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received June 7, 2013; final manuscript received March 23, 2014; published online May 21, 2014. Assoc. Editor: Robert Landers.
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Azulay, H., Mills, J. K., and Benhabib, B. (May 21, 2014). "A Multi-Tier Design Methodology for Reconfigurable Milling Machines." ASME. J. Manuf. Sci. Eng. August 2014; 136(4): 041007. https://doi.org/10.1115/1.4027315
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