Affiliation:
1. Shantou University
2. Guangdong University of Technology
Abstract
Approximate Double Circular Arc Interpolated Method which was put forward by author, is different from other circular arc interpolated methods in demanding only the corner between normal directions of each circular arcs at intersection point are less than designated allowed value but not demanding contiguous circular arcs are tangent, and makes the calculating be predigested. In order to estimate error of the method, emulated calculating is carried out, namely the course of curve being obtained by reverse engineering is simulated in this paper. The results show: if space between measure points is about 0.1mm in curve being obtained by reverse engineering, then, the most departure of smoothing results from original curve is 0.552μm for the stated example. Influence of the error on NC machining is quite small, so it can meet the needs of NC machining.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
Reference3 articles.
1. Q.S. Yan, Z.Q. Zhang, K. Syoji, et al: Progress of Cutting and Grinding (International Academic Publishers, China 1998), p.272.
2. Z.Q. Zhang, Q.S. Yan, S.B. Chen, et al: Key Engineering Materials Vol. 259-260 (2004), p.63.
3. Z.Q. Zhang, Q.S. Yan and Z.D. Zheng: Progress of Machining Technology (Aviation Industry Press, China 2002), p.363.
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