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Title: Adaptive iso-planar tool path generation for machining of free-form surfaces
Authors: Ding, S.
Mannan, M.A. 
Poo, A.N. 
Yang, D.C.H. 
Han, Z.
Keywords: Iso-planar
Tool path
Issue Date: Feb-2003
Source: Ding, S.,Mannan, M.A.,Poo, A.N.,Yang, D.C.H.,Han, Z. (2003-02). Adaptive iso-planar tool path generation for machining of free-form surfaces. CAD Computer Aided Design 35 (2) : 141-153. ScholarBank@NUS Repository.
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. © 2002 Elsevier Science Ltd. All rights reserved.
Source Title: CAD Computer Aided Design
ISSN: 00104485
DOI: 10.1016/S0010-4485(02)00048-9
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