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A computer vision approach for drill wear measurements

  • Published:
Journal of Materials Shaping Technology

Abstract

A new wear criterion, namely, the flank wear area, has been employed to indicate the severeness of drill wear condition. This new wear criterion is much better than the conventional criterion and is justified by experimental results. A computer vision approach has been adopted to measure the flank wear area, which is very difficult to measure using conventional techniques.

Thresholding technique is used for image processing and analysis of the flank wear area. In order to distinguish the worn drill from the usable drill, a threshold has been established based upon a minimum risk principle. Experiments show that the threshold is a reliable indicator for shop floor quality control of the drill.

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Authors and Affiliations

  1. Department of Mechanical Engineering, California State University, 95819-2694, Sacramento, CA, USA

    T. I. Liu

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  1. T. I. Liu
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Liu, T.I. A computer vision approach for drill wear measurements. J. Mater. Shaping Technol. 8, 11–16 (1990). https://doi.org/10.1007/BF02834788

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  • DOI: https://doi.org/10.1007/BF02834788

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