Chatter Stability in Turning and Milling with in Process Identified Process Damping

Chatter Stability in Turning and Milling with in Process Identified Process Damping

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Process damping in metal cutting is caused by the contact between the flank face of the cutting tool and the wavy surface finish, which 7.5ft heavy duty gold metal round wedding arch photo backdrop stand is known to damp chatter vibrations.An analytical model with process damping has already been developed and verified in earlier research, in which the damping coefficient is considered to be proportional to the ratio of vibration and cutting velocities.This paper presents in process identification of the process damping force coefficient derived from cutting tests.Plunge turning is used to create a continuous reduction in cutting speed as the tool reduces the diameter of a cylindrical workpiece.

When chatter stops at a critical cutting speed, the process damping coefficient is estimated by inverse solution of the stability law.It is shown majicontrast red that the stability lobes constructed by the identified process damping coefficient agrees with experiments conducted in both turning and milling.