Abstract
The trend in manufacturing is towards the intelligent machining systems. The productivity and quality of the output of such a system, as well as the machining cost, depend on many factors. One of the most significant factors for tool condition monitoring in machining is the sensor system. This paper reviews recent developments and trends in tool condition monitoring, among them are: the motivation for application of these systems in turning, milling and drilling, optical sensor systems, electrical resistance and temperature sensor systems, radioactive sensors, cutting force and torque measuring systems, effective power and motor current measuring systems, vibration sensors systems and acoustic emission sensors. A multiple sensor approach and its application in industrial conditions are discussed. Further investigations needed in tool condition monitoring and process monitoring are presented.
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