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对熔丝沉积快速成形技术的轮廓偏置填充算法和并行栅格扫描填充算法进行了研究,并在此基础上提出了基于轮廓偏置和并行栅格的混合路径填充算法。同时,在该算法中嵌入了起点终点内置方法,将起点与终点置于制件的内部,提高了制件表面质量。最后,在实现算法的同时增加了G代码转换模块,将该算法生成的路径直接转换成标准G代码,使FDM的数控部分与数据处理部分独立开来,为FDM控制系统的改进提供了方便的数据接口。
The contour offset filling algorithm and the parallel grid scanning filling algorithm for rapid prototyping of fuse deposition are studied. Based on the above, a hybrid algorithm of filling the contour based on the contour offset and the parallel grid is proposed. At the same time, embedding the starting point and end point built-in method into the algorithm, the starting point and the end point are placed inside the workpiece, which improves the surface quality of the workpiece. Finally, the G code translating module is added while the algorithm is implemented, and the path generated by the algorithm is directly converted into a standard G code, so that the numerical control part and the data processing part of the FDM are separated independently, which provides convenience for the improvement of the FDM control system Data interface.