Optimal Generation of Cutter Path in the Form of Polar Coordinate for NC Machining of Noncircular Contours |
| Journal |
Key Engineering Materials (Volume 339) |
| Volume |
Progress of Precision Engineering and Nano Technology |
| Edited by |
Shen Dong and Yingxue Yao |
| Pages |
59-65 |
| DOI |
10.4028/www.scientific.net/KEM.339.59 |
| Online since |
May, 2007 |
| Authors |
H. Qiu,
A. Kubo,
Zi Ye Li,
Chao Lin
|
| Keywords |
Archimedes' Spiral, Cutter Path, Optimal Interpolation, Polar Coordinate |
| Abstract |
This paper proposes an optimal interpolation approach to generate cutter paths in the
form of polar coordinate for machining noncircular contours. The cutter path obtained with the
approach consists of a series of Archimedes’ spiral segments and the number of segments is the
fewest under the condition that the interpolation error completely satisfies the specified limit value.
It can be also evidenced that the profile error of the machined contour due to the cutter path is
perfectly controlled within the specified interpolation accuracy limit. The result of applying the
approach to the contour machining of a disc cam sufficiently illustrates the effectiveness of the
proposed approach. |
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