Automatic generation of auxiliary cutting paths based on sheet material semantic information

Auxiliary cutting paths are always manually added to guarantee the quality of sheet material, which is time-consuming and costly. In this paper, a novel and systematic method for automatic generation of auxiliary cutting path based on the semantic information of reserved and discard areas of raw sheet material is proposed. The semantic information of raw sheet material is extracted from the given layout result using the proposed method. The cut-in and cut-out auxiliary paths are automatically inserted to each contour on the discard area. Collision detection and necessary adjustment are then performed to ensure that the auxiliary cutting paths are completely positioned within the discard area. The experiments with various layout results are conducted to verify the proposed method. The experimental results show that the proposed method can correctly obtain semantic information and effectively generate conflict-free auxiliary cutting paths automatically.