Adaptive iso-planar tool path generation for machining of free-form surfaces

Ding, S, Mannan, M, Poo, A, Yang, D and Han, Z 2003, 'Adaptive iso-planar tool path generation for machining of free-form surfaces', CAD Computer Aided Design, vol. 35, no. 2, pp. 141-153.


Document type: Journal Article
Collection: Journal Articles

Title Adaptive iso-planar tool path generation for machining of free-form surfaces
Author(s) Ding, S
Mannan, M
Poo, A
Yang, D
Han, Z
Year 2003
Journal name CAD Computer Aided Design
Volume number 35
Issue number 2
Start page 141
End page 153
Total pages 13
Publisher Pergamon
Abstract The iso-planar (Cartesian) tool path generation method has been used for several decades. However, it suffers an inherent drawback: in the region where the direction of the surface normal is close to that of the parallel intersecting planes, the intersecting plane intervals have to be reduced because of the influence of surface slopes. This causes redundant tool paths in the associated flatter regions and results in lower machining efficiency. This paper presents an algorithm that overcomes the disadvantage of the iso-planar method while keeping its advantages of robustness and simplicity. In this algorithm, the concept of isophote is applied to partition the surface into different regions. In each region the tool path side steps are adaptive to the surface features. Therefore redundant tool paths are avoided. By applying the region-by-region or global-local machining strategy, the machining efficiency is increased.
Subject Automation and Control Engineering
Keyword(s) iso-planar
isophote
tool path
DOI - identifier 10.1016/S0010-4485(02)00048-9
Copyright notice © 2002 Elsevier Science Ltd. All rights reserved.
ISSN 0010-4485
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