Titlebook: Machining Impossible Shapes; IFIP TC5 WG5.3 Inter Gustav J. Olling,Byoung K. Choi,Robert B. Jerard Book 1999 IFIP International Federation

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Efficiency of Multi-Axis , Machining of Sculptured Part Surfaces tool) are introduced as geometric analogs of productivity of part surface machining. This function considerably simplifies the analytical description of the geometric and kinematic aspects of the process of multi-axis machining and allows calculation of optimal parameters for the machining process.

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Best-Fit of Sculptured Surfacese for sculptured surfaces. We report on the best-fit of a turbine blade..In the second part we propose a new . to compare two CAD-described surfaces. We give algorithms in Matlab to compute this shape distance and the corresponding transformation.

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Geometric Contributions to 3-Axis Milling of Sculptured Surfacess such that the resulting surface does not differ from . too much. This question again involves, in the limit case of very small error tolerance, only the curvatures of . and Σ. If we allow larger scallop heights, the path finding also requires the study of local and global properties.

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Book 1999p "SSM‘98" (or Sculptured Surface Machining ‘98) organized by IFIP Working Group 5.3. This was the first major workshop on sculptured surface machining since the CAM-I sponsored conference "Machining Impossible Surfaces" held in 1981. The purpose of the SSM‘98 workshop, entitled "Machining Impossibl