Displacement vectors can be used to determine variations in chip
segmentation frequencies. Steel workpiece, 250 m/min surface speed.
Visible light movie is 60000 frames per second. Field of view is
about 1 mm wide. For more information, goto NIST publications
"A Novel Peak Detection Algorithm for Use in the Study of Machining
Chip Segmentation", "Measurement and Characterization of Dynamics
in Machining Chip Segmentation", "Measuring Chip Segmentation
by High-Speed Microvideography and Comparison to Finite-Element
Modeling Simulations", and "High-Speed Microvideography Observations
of the Periodic Catastrophic Shear Event in Cutting AISI 1045
Steel".