| Summary: | 碩士 === 國立中興大學 === 機械工程學系 === 87 === Abstract
The development of on-line cutter monitoring system of CNC machine must give consideration to not only effect, but also cost.
In this paper, a low cost technique is developed to get the spindle motor load. With rewriting the PMC ladder diagram in CNC controller, need not any extra sensors. We can monitor cutting state rapidly by several knowledge rules, which defined by experiments.
The effect of the application in the monitoring system that established in this paper to the rough cutting of mold is excellent. When cutting tool breakage and wear, the system will effective to intercept mill process, and sent out change tool or stop NC code by DNC in order to avoid more damage.
A graphic user interface system is built to conduct the user friendly operation interface. Object Oriented Programming (OOP) framework can easily expand system capability.
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