Vibration abatement is the process by which the actuation system is excited
in such a manor as to reduce the amplitude of the vibration between the
tool and the workpiece. Different control measures can be used for this.
A popular one is rate feedback, where the rate of change of position is
fed through a simple amplifier and into the actuation system. An interupted
cutting process benefits from "active damping". Interupted cutting occurs
whenever the tool leaves contact with the workpiece, such as a keyway.
The figures below show interupted cutting and the change in the surface
profiles that the actuator has. The amplitude in the surface finish is
reduced for the control action.
Turning Information Center