Computational geometry: an introduction
Computational geometry: an introduction
Numerical control programming in APT
Numerical control programming in APT
Offsetting operations in solid modelling
Computer Aided Geometric Design
An introduction to splines for use in computer graphics & geometric modeling
An introduction to splines for use in computer graphics & geometric modeling
Piecewise-circular curves for geometric modeling
IBM Journal of Research and Development
Numerical control milling machine toolpath generation for regions bounded by free form curves and surfaces
Computational Geometry for Design and Manufacture
Computational Geometry for Design and Manufacture
Numerical Control and Computer-Aided Manufacturing
Numerical Control and Computer-Aided Manufacturing
Approximation algorithms for multiple-tool miling
Proceedings of the fourteenth annual symposium on Computational geometry
Error analysis of reparametrization based approaches for curve offsetting
Computer-Aided Design
One-sided offset approximation of freeform curves for interference-free NURBS machining
Computer-Aided Design
Tool-path generation for sidewall machining
Computers and Industrial Engineering
Spiral-fashion embroidery path generation in embroidery CAD systems
Computer-Aided Design
Polygon subdivision for pocket machining process planning
Computers and Industrial Engineering
A surface blending approach for displacement features on freeform surfaces
Computer-Aided Design
Deconstructing approximate offsets
Proceedings of the twenty-seventh annual symposium on Computational geometry
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In this paper we describe algorithms for generating NC tool paths for machining of arbitrarily shaped 2 l/2 dimensional pockets with arbitrary islands. These pocketing algorithms are based on a new offsetting algorithm presented in this paper. Our offsetting algorithm avoids costly two-dimensional Boolean set operations, relatively expensive distance calculations, and the overhead of extraneous geometry, such as the Voronoi diagrams, used in other pocketing algorithms.