Research on Vibration Reduction design of Rifling Machining Tool for Gun barrel

Abstract

The tool damping groove can effectively reduce the vibration amplitude, suppress vibration and avoid the occurrence of resonance. The output damping of the tool system is affected by the distribution of the damping groove on the outer surface. Therefore, four different distribution modes of vibration reduction grooves on the outer surface of the tool system were designed: pit distribution, vertical distribution, spiral distribution and horizontal distribution. Firstly, the Fluent software was used to simulate the damping flow field of the damping groove on the outer surface of the tool system under five different distribution modes including no damping groove, and it was found that the output damping effect of the damping channel with horizontal distribution of damping groove was better. Secondly, Simulink software is used to simulate its dynamic model, and it is intuitively shown that the flutter effect of the 3×4×4 horizontal distribution of the damping groove is better.