2003•Journal of Engineering GraphicsRequires access

Interference Detection of 5-Aixs NC Machining of Free Surfaces

Chen Song

Abstract

New method of interference detection for 5-axis NC machining of free surfaces is presented. Interference detection is divided into interference detection of arbor and end plane in this algorithm. The machining surface is divided into some chip and a right initial point is selected at first. According to the differential characteristics of free surface, the minimum distance between the part and the tool can be calculated rapidly after the tracking direction and step length being determined, then the interference can be judged. The experiment simulation indicates that this calculation method is much more efficient than the general triangulation at the same precision.

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Key concepts: Interference (communication), Machining, Plane (geometry), Point (geometry), Triangulation, Surface (topology), Tracking (education), Differential (mechanical device)