S. A. and W. Fishwick in 1958,[2] by modeling the feedback loop between the metal cutting process and the machine tool structure, and came with the stability lobes diagram.
Basic rules for the machinist for avoiding vibrations: The use of high speed machining (HSM) has enabled an increase in productivity and the realization of workpieces that were impossible before, such as thin walled parts.
Specific strategies have been developed, especially for thin-walled work pieces, by alternating small machining passes in order to avoid static and dynamic flexion of the walls.
In addition to stability lobe theory, the use of variable tool pitch often gives good results, at a relatively low cost.
Sometimes, when vibration problems are too much of a financial prejudice, experts can be called upon to prescribe, after measurement and calculation, spindle speeds or tool modifications.
Computational software for stability lobes and measurement devices are proposed but, in spite of widespread publicity, they remain relatively rarely used.
Lastly, vibration sensors are often integrated into machining centers but they are used mainly for wear diagnosis of the tools or the spindle.
The simple form of mass damper has a heavy weight (made of tungsten or lead) supported by rubber rings, with or without a tuning mechanism.
A more advanced mass damper on cutting tools use viscous fluid or damping oil to improve the dampening efficiency at the targeted L/D ratio (vibration frequency).