Abstract
In this research, a vision system for detecting breakages of small-diameter taps, which are rarely detected by the indirect in-process monitoring methods such as acoustic emission, cutting torque and motor current, was developed. Two HMI (Human Machine Interface) programs to embed the developed vision system into a Siemens open architecture controller, 840D, were developed. They are placed in sub-windows of the main window of the 840D and can be activated or deactivated either by a softkey on the operating panel or the M code in the NC part program. In the event that any type of tool breakage is detected, the HMI program issues a command for an automatic tool change or sends an alarm signal to the NC kernel. An evaluation test in a high-speed tapping machine showed that the developed vision system was successful in detecting breakages of small-diameter taps up to M1.
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Lee, D.J., Kim, S.H. & Ahn, J.H. Breakage detection of small-diameter tap using vision system in high-speed tapping machine with open architecture controller. KSME International Journal 18, 1055–1061 (2004). https://doi.org/10.1007/BF02983280
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DOI: https://doi.org/10.1007/BF02983280