Automated Measurement of Flank Wear of Circuit Board Drills

[+] Author and Article Information
Ciro N. Ramirez

International Business Machines Corp., 11400 Burnet Road, Austin, Texas 78758

R. Joe Thornhill

The University of Texas at Austin, Austin, Texas 78712

J. Electron. Packag 114(1), 93-96 (Mar 01, 1992) (4 pages) doi:10.1115/1.2905448 History: Received June 04, 1991; Revised December 31, 1991; Online April 28, 2008


The results of automated measurements of flank wear of drills used in circuit board drilling are presented. The measurement technique uses a machine vision system to increase measurement speed and reduce measurement variability. A flank area wear parameter is compared to the commonly used flank width wear measurement, and is shown to be more consistent, in agreement with similar work by T. I. Liu using multifaceted crankshaft drills.

Copyright © 1992 by The American Society of Mechanical Engineers
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