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Notch wear detection in cutting tools using gradient approach and polynomial fitting

Notch wear detection in cutting tools using gradient approach and polynomial fitting,10.1007/s00170-008-1437-1,International Journal of Advanced Manuf

Notch wear detection in cutting tools using gradient approach and polynomial fitting  
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Cutting tool wear is well known to affect the surface finish of a turned part. Various machine vision methods have been developed in the past to measure and quantify tool wear. The two most widely measured parameters in tool wear monitoring are flank wear and crater wear. Works carried out by several researchers recently have shown that notch wear has a more severe effect on the surface roughness compared to flank or crater wear. In this work, a novel gradient detection approach has been developed to detect the presence of micro-scale notches in the nose area of the cutting tool. This method is capable of detecting the location of the notch accurately from a single worn cutting tool image.
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