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An experimental study of the nonlinear dynamics of orthogonal metal cutting

Foong Ch.-H., Wiercigroch M, Deans W. F.

Mechanics and Mechanical Engineering

2001

Vol. 5, nr 1

55-68

The elimination of chatter is one of the major aims in machining to improve geometrical accuracy and surface finish. In this study, occurrence of chatter was investigated experimentally using a specially designed rig by examining time histories of the cutting and thrust force components. Broad experimental studies were conducted using brass, cast iron and aluminium samples. It was shown that by changing the horizontal stiffness of the rig, the thrust force variations (in the vertical direction) were completely eliminated for the cast iron samples. A systematic analysis of chip formation for an aluminium alloy is presented.