Optimal tool path generation for free-form surfaces
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abstract
This paper focuses on developing algorithms that generate tool-paths for free-form surfaces based on accuracy of desired manufactured part. A manufacturing part represents mathematical curves and surfaces. Using the mathematical representation of the manufacturing part, we generate reliable and near optimal tool paths as well as cutter location (CL) data file for post-processing. This algorithm reduces manufacturing and computing time as well as the cutter contact (CC) points while keeping the given tolerance and scallop height in the tool paths. A part, for which the CC points are generated using the proposed algorithm, is machined using a 3-axis milling machine. As part of the validation process, the tool paths generated during machining are analyzed to compare the machined part and the desired part.
