JIANG Yu, YANG Guo-hui. 3D feature extract method for tool wear based on grating projection[J]. Optics and precision engineering, 2007, 15(3): 390-395.
JIANG Yu, YANG Guo-hui. 3D feature extract method for tool wear based on grating projection[J]. Optics and precision engineering, 2007, 15(3): 390-395.DOI:
Image detection method for carbide tool wear based on laser grating projection is presented. Phase information in undesformed areas that belongs to object shadow and data regression with the least-squares iteration are used to obtain phase distribution parameters on the ideal reference plane. For unnecessary to collect deformed grating images of object reference plane
it reduces operation steps and takes no solution for the phase of object reference plane. Experiments show that the method realizes the on-line measurement by detecting the parameters during the time slots caused by replacing tools of numerical control machine. Also
the measurement data of maximum width
maximum area
circumference and maximum depth in
z
direction of wear region come to the results that measurement standard deviation and relative accuracy are no more than 0.01. Therefore
this method is a precise 3D profilometry of wear area.
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references
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