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A holistic integrated dynamic design and modeling approach applied to the development of ultraprecision micro milling machines

Lookup NU author(s): Dr Dehong Huo


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Ultraprecision machines with small footprints or micro-machines are highly desirable for micro-manufacturing high-precision micro-mechanical components. However, the development of the machines is still at the nascent stage by working on an individual machine basis and hence lacks generic scientific approach and design guidelines. Using computer models to predict the dynamic performance of ultraprecision machine tools can help manufacturers substantially reduce the lead time and cost of developing new machines. Furthermore, the machine dynamic performance depends not only upon the mechanical structure and components but also the control system and electronic drives. This paper proposed a holistic integrated dynamic design and modelling approach, which supports analysis and optimization of the overall machine dynamic performance at the early design stage. Based on the proposed approach the modelling and simulation process on a novel 5-axis bench-top ultraprecision micro-milling machine tool - UltraMill - is presented. The modelling and simulation cover the dynamics of the machine structure, moving components, control system and the machining process, and are used to predict the overall machine performance of two typical configurations. Preliminary machining trials have been carried out and provided the evidence of the approach being helpful to assure the machine performing right at the first setup. (C) 2009 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Huo D, Cheng K, Wardle F

Publication type: Article

Publication status: Published

Journal: International Journal of Machine Tool and Manufacture

Year: 2009

Volume: 50

Issue: 4

Pages: 335-343

ISSN (print): 0890-6955

ISSN (electronic): 1879-2170

Publisher: Elsevier Inc.


DOI: 10.1016/j.ijmachtools.2009.10.009


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