For lathe designing, it needs strict calculation and analysis of the major components. The dynamic stiffness of the structure is studied in order to resist deformation under dynamic load, the structure of the dynamic stiffness is improved to enhance the anti-vibration capability of the body. Then the dynamic stiffness and the natural frequency of the structure are measured. Finite element analysis, that affect the working accuracy of the whole machine, is carried out. Simulation results show that the maximum amplitude of vibration attenuation is smaller, faster, and the dynamic stiffness is greater, which can enough support parts of the whole machine tool.
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