Groove cavity milling tool path optimization method based on digital filtering

The invention belongs to the technical field of intelligent manufacturing, and particularly relates to a slot cavity milling tool path optimization method based on digital filtering, which comprises the following steps of: reading tool path information; discretizing the tool path at a constant interval along the groove cavity machining tool path to obtain discrete tool location points; calculating the feeding speed of each discrete cutter location point in each motion axis direction under a theoretical condition to obtain a speed change curve of the cutter path; smoothing the tool path speed curve by adopting a Gaussian filter to obtain a smoothed feeding speed curve; recalculating a new cutter location point according to the speed of each discrete point on the smoothed speed curve; the discrete points obtained through recalculation are combined, and the optimized groove cavity milling tool path is formed. According to the method based on the digital filtering technology, the speed change curve of each shaft