Joint simulation study of piston pump performance based on AMESim and ADAMS
The plunger pair is one of the most important friction pairs of the swash plate axial piston pump.A co-simulation model of the plunger pump is established to study the dynamics and kinematics of the plunger under the hydraulic pressure.Taking the A37 swash plate axial piston pump as the research object,the displacement,velocity,and acceleration curves of the plunger were obtained by analyzing the kinematics of the plunger pair,establishing the three-dimensional geometric model of the plunger pair,imposing motion and mechanical relationship constraints on the three-dimensional model,and establishing the physical model of the ADAMS virtual prototype.The plunger sub-hydraulic model is established by AMESim,and the dynamic model and hydraulic model of the plunger pump are co-simulated,and the pressure distribution in the plunger cavity calculated by the hydraulic model is obtained.The established virtual simulation platform verifies the correctness of the dynamic model,can simulate the force and motion of the plunger,and lays a foundation for the design and research of the plunger pair.
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