CNC woodworking engraving machine workbench system

On CNC woodworking engraving machine workbench system, choose Block lanzcos method to solve the numerical control woodworking engraving machine workbench system first eight stages of natural frequency and analyzed. CNC woodworking engraving machine workbench, the former three stages mode to the workbench along the X, Y, Z three different direction of vibration, the fourth stage of the main vibration mode for deformation of CNC woodworking engraving machine workbench itself, and the inherent high comments. The first order natural frequency for 131. 0 hz, the main vibration mode for CNC woodworking engraving machine workbench to vibration along the Y ( See image below) ; CNC woodworking engraving machine workbench system of first order vibration mode ( f = 131。 0Hz） The second order natural frequency for 239. 2 hz, the main vibration mode for CNC woodworking engraving machine workbench along the X axis vibration; The third order natural frequency for 471. 2 hz, the main vibration mode for CNC woodworking engraving machine workbench along Z axis vibration; The fourth order natural frequency for 942. 0 hz, the fifth order natural frequency is 962 hz, the main vibration mode of the vibration of the two different angles; The sixth order natural frequency is 990 hz, the main vibration mode for numerical control woodworking engraving machine workbench around the Z axis rotation; The seventh order natural frequency is 1434 hz, the main vibration mode for numerical control woodworking engraving machine workbench itself torsional vibration; Eighth order natural frequency is 1637 hz, the main mode for the motion of the CNC woodworking engraving machine worktable side.