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Geometric Approaches for Enhancing Edge Quality in Planar Milling (III): Tool Exit Detection and Correction in a 2D Free-Form Contour Chih-Hsing Chu Sponsored By: CODEF/NSF Abstract Our previous studies have shown that geometric approaches are highly effective methods for reducing exit burr formation in planar milling. Tool exits can be avoided by adjusting the radial depth of cut or tool positions for 2D contours consisting of lines and arcs. As a free-form contour does not have definite edges or vertices, the algorithms proposed in part (I) and (II) are not applicable. A two-stage algorithm is developed in this study that (1) detects tool exits, and (2) corrects tool positions. Simulation results as well as test examples are shown to demonstrate the feasibility. View the entire report: MS Word PDF Go Back to the 1999 Index		CODEF Precision Research 1998 Research Index Download 1998 Reports 1999 Research Index Download 1999 Reports People Tools

1999 Research Report

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Geometric Approaches for Enhancing Edge Quality in Planar Milling (III): Tool Exit Detection and Correction in a 2D Free-Form Contour

Chih-Hsing Chu

Sponsored By: CODEF/NSF

Abstract

Our previous studies have shown that geometric approaches are highly effective methods for reducing exit burr formation in planar milling. Tool exits can be avoided by adjusting the radial depth of cut or tool positions for 2D contours consisting of lines and arcs. As a free-form contour does not have definite edges or vertices, the algorithms proposed in part (I) and (II) are not applicable. A two-stage algorithm is developed in this study that (1) detects tool exits, and (2) corrects tool positions. Simulation results as well as test examples are shown to demonstrate the feasibility.

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