Automatic Tool Trajectory Optimization Method for CNC Machining of Crankshaft Based on Improved Particle Swarm
Aiming at the problems of low quality inspection rate and large cutting amount in crankshaft machining,an automatic optimization method for crankshaft CNC machining tool trajectory based on improved particle swarm optimization is proposed.Firstly,a trajectory optimization objective function is established with the goal of minimizing the length of the tool trajectory,and corresponding constraint conditions are set.Then,by improving the particle swarm inertia weight parameter update method and increasing the compression factor,the particle swarm algorithm is improved.Finally,the improved particle swarm is used to solve the optimal trajectory and automatically optimize the tool trajectory for crankshaft CNC machining based on the improved particle swarm.Experimental results have shown that this method can optimize the tool grajectory for CNC machining of crankshaft parts,and its application effectively improves the quality inspection rate of crankshaft parts,effectively controls the amount of over cutting during machining,and has a good optimization effect.
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