Design and dynamic analysis of an arch-type desktop reconfigurable machine
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- Design and dynamic analysis of an arch-type desktop reconfigurable machine
- Son, Hungsun; Choi, Hae-Jin; Park, Hyung Wook
- Closed-loop control; Cost-efficient; Dynamic simulation; Effect of vibration; Fast dynamic response; Global market; Large workspace; Low costs; Machine manufacturing; Machining operations; Manufacturing machine; Manufacturing performance; Manufacturing process; Micro-components; Microelectromechanical systems; Multi-DOF; Multi-DOF motion; Position feedback; Product demand; Re-configurable; Reconfigurable machine tool; Static and dynamic
- Issue Date
- ELSEVIER SCI LTD
- INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, v.50, no.6, pp.575 - 584
- This paper describes the development of a three-degrees-of-freedom (DOF) desktop reconfigurable machine tool. Recently, numerous micro-components or systems in various areas such as biomedical micro-electro-mechanical systems (MEMS) often require dedicated, precise, and cost-efficient manufacturing processes to cope with large product demand fluctuations in the global market. A downscaled desktop manufacturing machine that can control multi-DOF motions rapidly and smoothly on the basis of a reduced machine size was developed to meeting this demand. In this paper, the conceptual design of a desktop reconfigurable machine, which is capable of controlling the three DOF orientation of a spindle, is presented. Then, static and dynamic structural analyses are performed to characterize the effect of vibration on the manufacturing performance. The results demonstrate the feasibility of simultaneously controlling the position and orientation of the machine tool during the machining operation. Dynamic simulations and experimental results using a closed-loop control with position feedback are presented to illustrate the performance and features of the system. Unlike conventional full-scale manufacturing machines, the developed machine provides a number of advantages, including fast dynamic response, simple design, low cost, and a compact but relatively large workspace without motion singularities.
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