Abstract
This chapter provides an introduction to sculptured surface machining (SSM) process, including the unit machining operation (UMO), and identifies the geometric issues that occur in the information processing stages of SSM, such as interference handling, cutter location (CL)-surface construction for the C-space approach, 2D point sequence (PS)-curve offsetting, area scan algorithms, PS-curve fairing, and collision detection algorithms. Many products are designed with sculptured surfaces to enhance their aesthetic appeal, especially in the automotive and consumer-electronics industries. Other products have sculptured shapes to meet functional requirements, such as aerodynamic, optical, medical, structural, and manufacturing. While these aesthetic and functional surfaces are created using computer-aided geometric design (CAGD) techniques, it is the role of SSM to realize them in physical form. The chapter presents the examples of various SSM processes. It classifies SSM process models into two types: sequential models and hierarchical models. The purpose of an SSM process is to produce a sculptured part by applying a series of metal-removal processes to a workpiece.
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