Tool Path Generation Using C-Space for 5-Axis Control Machining

[+] Author and Article Information
K. Morishige, Y. Takeuchi

Dept. of Mechanical and Control Engineering, University of Electro-Communications, 1-5-1, Chofugaoka, Chofu, Tokyo 182, Japan

K. Kase

Dept. of Research Fundamentals Technology, The Institute of Physical and Chemical Research (RIKEN), 2-1, Hirosawa, Wako-shi, Saitama 351-01, Japan

J. Manuf. Sci. Eng 121(1), 144-149 (Feb 01, 1999) (6 pages) doi:10.1115/1.2830567 History: Received January 01, 1997; Revised March 01, 1998; Online January 17, 2008


The paper deals with the method of tool path generation for 5-axis control machining using a ball end mill. 5-axis control machining has been used for aircraft parts as well as for complicated shapes such as mold and dies. However, most of the present CAM systems for 5-axis control machining have limited functions in terms of tool collision, workpiece shapes and machining methods. For that reason, in many cases the optimal cutter location (CL) data cannot be obtained or considerable time is consumed. To solve this problem, we applied a 3-dimensional configuration space (C-Space) and showed the relationship between all tool positions and postures and the existence of tool collision. The method of tool path generation devised in the study enables users to generate CL data reflecting their own machining strategy such as smooth change in tool posture and the state of machining without considering the gouging. The validity of this method was experimentally confirmed by successfully milling an impeller without tool collision occurring.

Copyright © 1999 by The American Society of Mechanical Engineers
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