Research on inverse evaluation mechanism in toolpath generation based on global interpolation simulation

摘要: Free form surfaces are primarily designed and manufactured by CAD/CAM/CNC system. In traditional way, toolpath generation approaches always consider machining precision efficiency constraining scallop height lengths. However, lengths do not exactly reflect the actual time because feedrate usually fluctuates along different during CNC interpolating period, which indicates that total is coupled with both interpolation. Therefore, interpolation systems should be independent, conventional unidirectional information flow from CAM to replaced a new mechanism exchange mutual optimization. This paper proposes an inverse evaluation feedback The obtained off-line simulation for each of entire surface. With information, able optimize or choose best one among candidate solutions. As under same algorithm, algorithm axis kinematic/dynamic constraints also introduced. results free show proposed can economically improve without increasing system cost.