Research on simulation of multi-axis machining based on three dimensions grid representation

This paper researches on the machining simulation of the multi-axis numerical control (NC) system, and proposes a new algorithm of intersection calculation and collision detection based on Three Dimensions Grid Representation (TDGR). The suggested algorithm is applied for the simulation system of the LT-NC310 system, whose data communications between simulation and task controller are completed by Neutral Message Language (NML) mechanism. The test has proved that the simulation system can accurately display the machining process with fast computation and less memory consumption.