Mortise broaching process simulation analysis method based on heat-force-flow multi-field coupling

The invention discloses a mortise broaching process simulation analysis method based on thermal force flow multi-field coupling. The method comprises the steps of creating a broaching thermal force model according to the sizes of a cutter and a workpiece, material related parameters, cutting related parameters and heat conduction characteristics, and making analog simulation; establishing a broaching heat flow model according to the cooling related parameters of the cutter, the workpiece and the cooling liquid, and performing analog simulation; and coupling the simulation results of the broaching thermal force model and the broaching thermal flow model to obtain a broaching thermal force flow multi-field coupling model, and simulating the cooling effect of the cooling liquid on the workpiece, the cutter and the cuttings in the broaching process. The thermal force and thermal flow simulation analysis model in the broaching process is established, a data transmission platform among the models is established, co