Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
High Speed Offset Curve Generation Algorithm and Application for Cut-off Machining Technology
Weiguo ZHAOTetsutaro HOSHI
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1999 Volume 12 Issue 12 Pages 691-701

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Abstract

The paper presents a new algorithm for generating offset curve of two-dimensional contour that is combined of lines and circular arcs. In comparison with conventional Pairwise-intersection approach, the new algorithm needs less computation for offset curve generation and can generate the offset curve correctly for all possible cases. A cut-off machining, which can reduce non-productive preparatory operations before machining, is suggested for machining small size prismatic products. The offset curve generation algorithm proposed in this paper is applied to tool path generation in the cut-off machining. Based on the offset curve generation algorithm, an approach is presented for detecting uncut segments of two-dimensional contour in the cut-off machining.

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