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Volume 28 Issue 3
Mar.  2002
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Journal of Beijing University of Aeronautics and Astronautics  > 2002  >  28(3): 305-308.
MM Integrated, S Evidence, SU Hui-minet al. Study of GPS/MM Integrated Navigation System for Vehicle Positioning Based on D-S Evidence Reasoning[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(2): 157-160. (in Chinese)
Citation: WU Li-ping, SHI Fa-zhong, CHEN Wei-dong, et al. Interference-Free Toolpath Generation of Rotationally Free Surfaces in Four-Axis NC Machining[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(3): 305-308. (in Chinese)
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Interference-Free Toolpath Generation of Rotationally Free Surfaces in Four-Axis NC Machining

  • Beijing University of Aeronautics and Astronautics, School of Mechanical Engineering and Automation

  • Received Date: 22 Sep 2000
  • Publish Date: 31 Mar 2002
    Abstract
  • Four-axis NC machine tools with rotation table are most suitable for the machining of rotationally complicated compound free form surfaces. To solve the interference problem in four-axis NC machining, the guard surface concept widely used in 3-axis machining was introduced into four-axis NC machining, corresponding guard surface calculating method was presented. Based on offset surface model, an algorithm of interference-free toolpath generation in four-axis machining was developed. Case study showed that the algorithm works well on PC platform. A brief review on problems to be further studied was also given.

     

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  • [1]Tang K, Cheng C C, Dayan Y. Offseting surface boundaries and 3-axis gouge-free surface machining[J]. CAD, 1995, 27(12):915~927. [2]李 明. 叶轮、叶片类零件几何设计和数控加工 . 北京:北京航空航天大学机械工程及自动化学院,1990. [3]Vickers G W, Quan K W. Ball-mills versus end-mills for curved surface machining[J]. Journal of Engineering for Industry (Transactions of the ASME), 1989,111(1):22~26. [4]Li Ming, Zhu Xin-xiong. Estimating the cutter's maximum diameter in 5-axis nC face milling of turbine blades[J]. CADDM,1996,6(2):57~64.
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